summaryrefslogtreecommitdiffstats
path: root/third_party/libwebrtc/sdk/android/api
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/libwebrtc/sdk/android/api')
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/AddIceObserver.java20
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/AudioDecoderFactoryFactory.java21
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/AudioEncoderFactoryFactory.java21
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/AudioProcessingFactory.java20
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/AudioSource.java26
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/AudioTrack.java32
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/BuiltinAudioDecoderFactoryFactory.java23
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/BuiltinAudioEncoderFactoryFactory.java23
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/CallSessionFileRotatingLogSink.java41
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/Camera1Capturer.java33
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/Camera1Enumerator.java190
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/Camera2Capturer.java36
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/Camera2Enumerator.java251
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/CameraEnumerationAndroid.java206
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/CameraEnumerator.java26
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/CameraVideoCapturer.java172
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/CapturerObserver.java27
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/CryptoOptions.java145
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/DataChannel.java196
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/Dav1dDecoder.java20
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/DefaultVideoDecoderFactory.java69
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/DtmfSender.java96
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase.java255
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase10.java20
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase14.java20
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/EglRenderer.java787
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/EncodedImage.java183
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/FecControllerFactoryFactoryInterface.java22
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/FileVideoCapturer.java201
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/FrameDecryptor.java26
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/FrameEncryptor.java26
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/GlRectDrawer.java31
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/GlShader.java131
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/GlTextureFrameBuffer.java122
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/GlUtil.java66
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/HardwareVideoDecoderFactory.java57
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/IceCandidateErrorEvent.java43
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/JavaI420Buffer.java200
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/LibaomAv1Encoder.java25
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp8Decoder.java20
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp8Encoder.java25
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp9Decoder.java22
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp9Encoder.java27
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/MediaConstraints.java99
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/MediaSource.java74
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/MediaStreamTrack.java129
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/Metrics.java81
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/NativeLibraryLoader.java24
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/NativePeerConnectionFactory.java20
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/NetEqFactoryFactory.java21
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/PlatformSoftwareVideoDecoderFactory.java39
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/Predicate.java73
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/RefCounted.java28
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/RendererCommon.java259
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/SSLCertificateVerifier.java27
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/ScreenCapturerAndroid.java212
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/SdpObserver.java26
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/SessionDescription.java56
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/SoftwareVideoDecoderFactory.java53
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/SoftwareVideoEncoderFactory.java58
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/StatsObserver.java17
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/StatsReport.java63
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceEglRenderer.java160
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceTextureHelper.java390
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceViewRenderer.java300
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/TextureBufferImpl.java203
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/TimestampAligner.java59
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/TurnCustomizer.java41
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCapturer.java53
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java86
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCodecStatus.java42
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoder.java94
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoderFactory.java30
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoderFallback.java31
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoder.java385
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoderFactory.java72
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoderFallback.java36
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFileRenderer.java162
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrame.java218
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrameBufferType.java33
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrameDrawer.java241
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoProcessor.java76
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoSink.java23
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoSource.java162
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/VideoTrack.java76
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/WrappedNativeVideoDecoder.java38
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/WrappedNativeVideoEncoder.java49
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/YuvConverter.java252
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/YuvHelper.java200
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/audio/AudioDeviceModule.java38
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/audio/JavaAudioDeviceModule.java436
-rw-r--r--third_party/libwebrtc/sdk/android/api/org/webrtc/audio/LegacyAudioDeviceModule.java46
92 files changed, 9394 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/AddIceObserver.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/AddIceObserver.java
new file mode 100644
index 0000000000..ff2c690029
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/AddIceObserver.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Interface to handle completion of addIceCandidate */
+public interface AddIceObserver {
+ /** Called when ICE candidate added successfully.*/
+ @CalledByNative public void onAddSuccess();
+
+ /** Called when ICE candidate addition failed.*/
+ @CalledByNative public void onAddFailure(String error);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioDecoderFactoryFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioDecoderFactoryFactory.java
new file mode 100644
index 0000000000..dd3e262896
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioDecoderFactoryFactory.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Implementations of this interface can create a native {@code webrtc::AudioDecoderFactory}.
+ */
+public interface AudioDecoderFactoryFactory {
+ /**
+ * Returns a pointer to a {@code webrtc::AudioDecoderFactory}. The caller takes ownership.
+ */
+ long createNativeAudioDecoderFactory();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioEncoderFactoryFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioEncoderFactoryFactory.java
new file mode 100644
index 0000000000..814b71aba1
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioEncoderFactoryFactory.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Implementations of this interface can create a native {@code webrtc::AudioEncoderFactory}.
+ */
+public interface AudioEncoderFactoryFactory {
+ /**
+ * Returns a pointer to a {@code webrtc::AudioEncoderFactory}. The caller takes ownership.
+ */
+ long createNativeAudioEncoderFactory();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioProcessingFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioProcessingFactory.java
new file mode 100644
index 0000000000..bd8fdb8989
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioProcessingFactory.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Factory for creating webrtc::AudioProcessing instances. */
+public interface AudioProcessingFactory {
+ /**
+ * Dynamically allocates a webrtc::AudioProcessing instance and returns a pointer to it.
+ * The caller takes ownership of the object.
+ */
+ public long createNative();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioSource.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioSource.java
new file mode 100644
index 0000000000..f8104e5904
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioSource.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Java wrapper for a C++ AudioSourceInterface. Used as the source for one or
+ * more {@code AudioTrack} objects.
+ */
+public class AudioSource extends MediaSource {
+ public AudioSource(long nativeSource) {
+ super(nativeSource);
+ }
+
+ /** Returns a pointer to webrtc::AudioSourceInterface. */
+ long getNativeAudioSource() {
+ return getNativeMediaSource();
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioTrack.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioTrack.java
new file mode 100644
index 0000000000..ca745db634
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/AudioTrack.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Java wrapper for a C++ AudioTrackInterface */
+public class AudioTrack extends MediaStreamTrack {
+ public AudioTrack(long nativeTrack) {
+ super(nativeTrack);
+ }
+
+ /** Sets the volume for the underlying MediaSource. Volume is a gain value in the range
+ * 0 to 10.
+ */
+ public void setVolume(double volume) {
+ nativeSetVolume(getNativeAudioTrack(), volume);
+ }
+
+ /** Returns a pointer to webrtc::AudioTrackInterface. */
+ long getNativeAudioTrack() {
+ return getNativeMediaStreamTrack();
+ }
+
+ private static native void nativeSetVolume(long track, double volume);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/BuiltinAudioDecoderFactoryFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/BuiltinAudioDecoderFactoryFactory.java
new file mode 100644
index 0000000000..5ebc19f25d
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/BuiltinAudioDecoderFactoryFactory.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Creates a native {@code webrtc::AudioDecoderFactory} with the builtin audio decoders.
+ */
+public class BuiltinAudioDecoderFactoryFactory implements AudioDecoderFactoryFactory {
+ @Override
+ public long createNativeAudioDecoderFactory() {
+ return nativeCreateBuiltinAudioDecoderFactory();
+ }
+
+ private static native long nativeCreateBuiltinAudioDecoderFactory();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/BuiltinAudioEncoderFactoryFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/BuiltinAudioEncoderFactoryFactory.java
new file mode 100644
index 0000000000..e884d4c3b9
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/BuiltinAudioEncoderFactoryFactory.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * This class creates a native {@code webrtc::AudioEncoderFactory} with the builtin audio encoders.
+ */
+public class BuiltinAudioEncoderFactoryFactory implements AudioEncoderFactoryFactory {
+ @Override
+ public long createNativeAudioEncoderFactory() {
+ return nativeCreateBuiltinAudioEncoderFactory();
+ }
+
+ private static native long nativeCreateBuiltinAudioEncoderFactory();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/CallSessionFileRotatingLogSink.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/CallSessionFileRotatingLogSink.java
new file mode 100644
index 0000000000..f4edb58847
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/CallSessionFileRotatingLogSink.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public class CallSessionFileRotatingLogSink {
+ private long nativeSink;
+
+ public static byte[] getLogData(String dirPath) {
+ if (dirPath == null) {
+ throw new IllegalArgumentException("dirPath may not be null.");
+ }
+ return nativeGetLogData(dirPath);
+ }
+
+ public CallSessionFileRotatingLogSink(
+ String dirPath, int maxFileSize, Logging.Severity severity) {
+ if (dirPath == null) {
+ throw new IllegalArgumentException("dirPath may not be null.");
+ }
+ nativeSink = nativeAddSink(dirPath, maxFileSize, severity.ordinal());
+ }
+
+ public void dispose() {
+ if (nativeSink != 0) {
+ nativeDeleteSink(nativeSink);
+ nativeSink = 0;
+ }
+ }
+
+ private static native long nativeAddSink(String dirPath, int maxFileSize, int severity);
+ private static native void nativeDeleteSink(long sink);
+ private static native byte[] nativeGetLogData(String dirPath);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera1Capturer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera1Capturer.java
new file mode 100644
index 0000000000..de172aa1d7
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera1Capturer.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.content.Context;
+
+public class Camera1Capturer extends CameraCapturer {
+ private final boolean captureToTexture;
+
+ public Camera1Capturer(
+ String cameraName, CameraEventsHandler eventsHandler, boolean captureToTexture) {
+ super(cameraName, eventsHandler, new Camera1Enumerator(captureToTexture));
+
+ this.captureToTexture = captureToTexture;
+ }
+
+ @Override
+ protected void createCameraSession(CameraSession.CreateSessionCallback createSessionCallback,
+ CameraSession.Events events, Context applicationContext,
+ SurfaceTextureHelper surfaceTextureHelper, String cameraName, int width, int height,
+ int framerate) {
+ Camera1Session.create(createSessionCallback, events, captureToTexture, applicationContext,
+ surfaceTextureHelper, cameraName, width, height, framerate);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera1Enumerator.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera1Enumerator.java
new file mode 100644
index 0000000000..4a1aacdb05
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera1Enumerator.java
@@ -0,0 +1,190 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.os.SystemClock;
+import androidx.annotation.Nullable;
+import java.util.ArrayList;
+import java.util.List;
+import org.webrtc.CameraEnumerationAndroid.CaptureFormat;
+
+@SuppressWarnings("deprecation")
+public class Camera1Enumerator implements CameraEnumerator {
+ private final static String TAG = "Camera1Enumerator";
+ // Each entry contains the supported formats for corresponding camera index. The formats for all
+ // cameras are enumerated on the first call to getSupportedFormats(), and cached for future
+ // reference.
+ private static List<List<CaptureFormat>> cachedSupportedFormats;
+
+ private final boolean captureToTexture;
+
+ public Camera1Enumerator() {
+ this(true /* captureToTexture */);
+ }
+
+ public Camera1Enumerator(boolean captureToTexture) {
+ this.captureToTexture = captureToTexture;
+ }
+
+ // Returns device names that can be used to create a new VideoCapturerAndroid.
+ @Override
+ public String[] getDeviceNames() {
+ ArrayList<String> namesList = new ArrayList<>();
+ for (int i = 0; i < android.hardware.Camera.getNumberOfCameras(); ++i) {
+ String name = getDeviceName(i);
+ if (name != null) {
+ namesList.add(name);
+ Logging.d(TAG, "Index: " + i + ". " + name);
+ } else {
+ Logging.e(TAG, "Index: " + i + ". Failed to query camera name.");
+ }
+ }
+ String[] namesArray = new String[namesList.size()];
+ return namesList.toArray(namesArray);
+ }
+
+ @Override
+ public boolean isFrontFacing(String deviceName) {
+ android.hardware.Camera.CameraInfo info = getCameraInfo(getCameraIndex(deviceName));
+ return info != null && info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT;
+ }
+
+ @Override
+ public boolean isBackFacing(String deviceName) {
+ android.hardware.Camera.CameraInfo info = getCameraInfo(getCameraIndex(deviceName));
+ return info != null && info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_BACK;
+ }
+
+ @Override
+ public boolean isInfrared(String deviceName) {
+ return false;
+ }
+
+ @Override
+ public List<CaptureFormat> getSupportedFormats(String deviceName) {
+ return getSupportedFormats(getCameraIndex(deviceName));
+ }
+
+ @Override
+ public CameraVideoCapturer createCapturer(
+ String deviceName, CameraVideoCapturer.CameraEventsHandler eventsHandler) {
+ return new Camera1Capturer(deviceName, eventsHandler, captureToTexture);
+ }
+
+ private static @Nullable android.hardware.Camera.CameraInfo getCameraInfo(int index) {
+ android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
+ try {
+ android.hardware.Camera.getCameraInfo(index, info);
+ } catch (Exception e) {
+ Logging.e(TAG, "getCameraInfo failed on index " + index, e);
+ return null;
+ }
+ return info;
+ }
+
+ static synchronized List<CaptureFormat> getSupportedFormats(int cameraId) {
+ if (cachedSupportedFormats == null) {
+ cachedSupportedFormats = new ArrayList<List<CaptureFormat>>();
+ for (int i = 0; i < android.hardware.Camera.getNumberOfCameras(); ++i) {
+ cachedSupportedFormats.add(enumerateFormats(i));
+ }
+ }
+ return cachedSupportedFormats.get(cameraId);
+ }
+
+ private static List<CaptureFormat> enumerateFormats(int cameraId) {
+ Logging.d(TAG, "Get supported formats for camera index " + cameraId + ".");
+ final long startTimeMs = SystemClock.elapsedRealtime();
+ final android.hardware.Camera.Parameters parameters;
+ android.hardware.Camera camera = null;
+ try {
+ Logging.d(TAG, "Opening camera with index " + cameraId);
+ camera = android.hardware.Camera.open(cameraId);
+ parameters = camera.getParameters();
+ } catch (RuntimeException e) {
+ Logging.e(TAG, "Open camera failed on camera index " + cameraId, e);
+ return new ArrayList<CaptureFormat>();
+ } finally {
+ if (camera != null) {
+ camera.release();
+ }
+ }
+
+ final List<CaptureFormat> formatList = new ArrayList<CaptureFormat>();
+ try {
+ int minFps = 0;
+ int maxFps = 0;
+ final List<int[]> listFpsRange = parameters.getSupportedPreviewFpsRange();
+ if (listFpsRange != null) {
+ // getSupportedPreviewFpsRange() returns a sorted list. Take the fps range
+ // corresponding to the highest fps.
+ final int[] range = listFpsRange.get(listFpsRange.size() - 1);
+ minFps = range[android.hardware.Camera.Parameters.PREVIEW_FPS_MIN_INDEX];
+ maxFps = range[android.hardware.Camera.Parameters.PREVIEW_FPS_MAX_INDEX];
+ }
+ for (android.hardware.Camera.Size size : parameters.getSupportedPreviewSizes()) {
+ formatList.add(new CaptureFormat(size.width, size.height, minFps, maxFps));
+ }
+ } catch (Exception e) {
+ Logging.e(TAG, "getSupportedFormats() failed on camera index " + cameraId, e);
+ }
+
+ final long endTimeMs = SystemClock.elapsedRealtime();
+ Logging.d(TAG, "Get supported formats for camera index " + cameraId + " done."
+ + " Time spent: " + (endTimeMs - startTimeMs) + " ms.");
+ return formatList;
+ }
+
+ // Convert from android.hardware.Camera.Size to Size.
+ static List<Size> convertSizes(List<android.hardware.Camera.Size> cameraSizes) {
+ final List<Size> sizes = new ArrayList<Size>();
+ for (android.hardware.Camera.Size size : cameraSizes) {
+ sizes.add(new Size(size.width, size.height));
+ }
+ return sizes;
+ }
+
+ // Convert from int[2] to CaptureFormat.FramerateRange.
+ static List<CaptureFormat.FramerateRange> convertFramerates(List<int[]> arrayRanges) {
+ final List<CaptureFormat.FramerateRange> ranges = new ArrayList<CaptureFormat.FramerateRange>();
+ for (int[] range : arrayRanges) {
+ ranges.add(new CaptureFormat.FramerateRange(
+ range[android.hardware.Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
+ range[android.hardware.Camera.Parameters.PREVIEW_FPS_MAX_INDEX]));
+ }
+ return ranges;
+ }
+
+ // Returns the camera index for camera with name `deviceName`, or throws IllegalArgumentException
+ // if no such camera can be found.
+ static int getCameraIndex(String deviceName) {
+ Logging.d(TAG, "getCameraIndex: " + deviceName);
+ for (int i = 0; i < android.hardware.Camera.getNumberOfCameras(); ++i) {
+ if (deviceName.equals(getDeviceName(i))) {
+ return i;
+ }
+ }
+ throw new IllegalArgumentException("No such camera: " + deviceName);
+ }
+
+ // Returns the name of the camera with camera index. Returns null if the
+ // camera can not be used.
+ static @Nullable String getDeviceName(int index) {
+ android.hardware.Camera.CameraInfo info = getCameraInfo(index);
+ if (info == null) {
+ return null;
+ }
+
+ String facing =
+ (info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT) ? "front" : "back";
+ return "Camera " + index + ", Facing " + facing + ", Orientation " + info.orientation;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera2Capturer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera2Capturer.java
new file mode 100644
index 0000000000..c4becf4819
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera2Capturer.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.content.Context;
+import android.hardware.camera2.CameraManager;
+import androidx.annotation.Nullable;
+
+public class Camera2Capturer extends CameraCapturer {
+ private final Context context;
+ @Nullable private final CameraManager cameraManager;
+
+ public Camera2Capturer(Context context, String cameraName, CameraEventsHandler eventsHandler) {
+ super(cameraName, eventsHandler, new Camera2Enumerator(context));
+
+ this.context = context;
+ cameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
+ }
+
+ @Override
+ protected void createCameraSession(CameraSession.CreateSessionCallback createSessionCallback,
+ CameraSession.Events events, Context applicationContext,
+ SurfaceTextureHelper surfaceTextureHelper, String cameraName, int width, int height,
+ int framerate) {
+ Camera2Session.create(createSessionCallback, events, applicationContext, cameraManager,
+ surfaceTextureHelper, cameraName, width, height, framerate);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera2Enumerator.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera2Enumerator.java
new file mode 100644
index 0000000000..44e239ad8e
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/Camera2Enumerator.java
@@ -0,0 +1,251 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.graphics.SurfaceTexture;
+import android.hardware.camera2.CameraAccessException;
+import android.hardware.camera2.CameraCharacteristics;
+import android.hardware.camera2.CameraManager;
+import android.hardware.camera2.CameraMetadata;
+import android.hardware.camera2.params.StreamConfigurationMap;
+import android.os.Build;
+import android.os.SystemClock;
+import android.util.Range;
+import androidx.annotation.Nullable;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.webrtc.CameraEnumerationAndroid.CaptureFormat;
+
+public class Camera2Enumerator implements CameraEnumerator {
+ private final static String TAG = "Camera2Enumerator";
+ private final static double NANO_SECONDS_PER_SECOND = 1.0e9;
+
+ // Each entry contains the supported formats for a given camera index. The formats are enumerated
+ // lazily in getSupportedFormats(), and cached for future reference.
+ private static final Map<String, List<CaptureFormat>> cachedSupportedFormats =
+ new HashMap<String, List<CaptureFormat>>();
+
+ final Context context;
+ @Nullable final CameraManager cameraManager;
+
+ public Camera2Enumerator(Context context) {
+ this.context = context;
+ this.cameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
+ }
+
+ @Override
+ public String[] getDeviceNames() {
+ try {
+ return cameraManager.getCameraIdList();
+ } catch (CameraAccessException e) {
+ Logging.e(TAG, "Camera access exception", e);
+ return new String[] {};
+ }
+ }
+
+ @Override
+ public boolean isFrontFacing(String deviceName) {
+ CameraCharacteristics characteristics = getCameraCharacteristics(deviceName);
+
+ return characteristics != null
+ && characteristics.get(CameraCharacteristics.LENS_FACING)
+ == CameraMetadata.LENS_FACING_FRONT;
+ }
+
+ @Override
+ public boolean isBackFacing(String deviceName) {
+ CameraCharacteristics characteristics = getCameraCharacteristics(deviceName);
+
+ return characteristics != null
+ && characteristics.get(CameraCharacteristics.LENS_FACING)
+ == CameraMetadata.LENS_FACING_BACK;
+ }
+
+ @Override
+ public boolean isInfrared(String deviceName) {
+ CameraCharacteristics characteristics = getCameraCharacteristics(deviceName);
+
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+ Integer colors = characteristics.get(CameraCharacteristics.SENSOR_INFO_COLOR_FILTER_ARRANGEMENT);
+ return colors != null && colors.equals(CameraCharacteristics.SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_NIR);
+ }
+
+ return false;
+ }
+
+ @Nullable
+ @Override
+ public List<CaptureFormat> getSupportedFormats(String deviceName) {
+ return getSupportedFormats(context, deviceName);
+ }
+
+ @Override
+ public CameraVideoCapturer createCapturer(
+ String deviceName, CameraVideoCapturer.CameraEventsHandler eventsHandler) {
+ return new Camera2Capturer(context, deviceName, eventsHandler);
+ }
+
+ private @Nullable CameraCharacteristics getCameraCharacteristics(String deviceName) {
+ try {
+ return cameraManager.getCameraCharacteristics(deviceName);
+ } catch (CameraAccessException | RuntimeException e) {
+ Logging.e(TAG, "Camera access exception", e);
+ return null;
+ }
+ }
+
+ /**
+ * Checks if API is supported and all cameras have better than legacy support.
+ */
+ public static boolean isSupported(Context context) {
+ CameraManager cameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
+ try {
+ String[] cameraIds = cameraManager.getCameraIdList();
+ for (String id : cameraIds) {
+ CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(id);
+ if (characteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL)
+ == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) {
+ return false;
+ }
+ }
+ } catch (CameraAccessException | RuntimeException e) {
+ Logging.e(TAG, "Failed to check if camera2 is supported", e);
+ return false;
+ }
+ return true;
+ }
+
+ static int getFpsUnitFactor(Range<Integer>[] fpsRanges) {
+ if (fpsRanges.length == 0) {
+ return 1000;
+ }
+ return fpsRanges[0].getUpper() < 1000 ? 1000 : 1;
+ }
+
+ static List<Size> getSupportedSizes(CameraCharacteristics cameraCharacteristics) {
+ final StreamConfigurationMap streamMap =
+ cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
+ final int supportLevel =
+ cameraCharacteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL);
+
+ final android.util.Size[] nativeSizes = streamMap.getOutputSizes(SurfaceTexture.class);
+ final List<Size> sizes = convertSizes(nativeSizes);
+
+ // Video may be stretched pre LMR1 on legacy implementations.
+ // Filter out formats that have different aspect ratio than the sensor array.
+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP_MR1
+ && supportLevel == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) {
+ final Rect activeArraySize =
+ cameraCharacteristics.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE);
+ final ArrayList<Size> filteredSizes = new ArrayList<Size>();
+
+ for (Size size : sizes) {
+ if (activeArraySize.width() * size.height == activeArraySize.height() * size.width) {
+ filteredSizes.add(size);
+ }
+ }
+
+ return filteredSizes;
+ } else {
+ return sizes;
+ }
+ }
+
+ @Nullable
+ static List<CaptureFormat> getSupportedFormats(Context context, String cameraId) {
+ return getSupportedFormats(
+ (CameraManager) context.getSystemService(Context.CAMERA_SERVICE), cameraId);
+ }
+
+ @Nullable
+ static List<CaptureFormat> getSupportedFormats(CameraManager cameraManager, String cameraId) {
+ synchronized (cachedSupportedFormats) {
+ if (cachedSupportedFormats.containsKey(cameraId)) {
+ return cachedSupportedFormats.get(cameraId);
+ }
+
+ Logging.d(TAG, "Get supported formats for camera index " + cameraId + ".");
+ final long startTimeMs = SystemClock.elapsedRealtime();
+
+ final CameraCharacteristics cameraCharacteristics;
+ try {
+ cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId);
+ } catch (Exception ex) {
+ Logging.e(TAG, "getCameraCharacteristics()", ex);
+ return new ArrayList<CaptureFormat>();
+ }
+
+ final StreamConfigurationMap streamMap =
+ cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
+
+ Range<Integer>[] fpsRanges =
+ cameraCharacteristics.get(CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES);
+ List<CaptureFormat.FramerateRange> framerateRanges =
+ convertFramerates(fpsRanges, getFpsUnitFactor(fpsRanges));
+ List<Size> sizes = getSupportedSizes(cameraCharacteristics);
+
+ int defaultMaxFps = 0;
+ for (CaptureFormat.FramerateRange framerateRange : framerateRanges) {
+ defaultMaxFps = Math.max(defaultMaxFps, framerateRange.max);
+ }
+
+ final List<CaptureFormat> formatList = new ArrayList<CaptureFormat>();
+ for (Size size : sizes) {
+ long minFrameDurationNs = 0;
+ try {
+ minFrameDurationNs = streamMap.getOutputMinFrameDuration(
+ SurfaceTexture.class, new android.util.Size(size.width, size.height));
+ } catch (Exception e) {
+ // getOutputMinFrameDuration() is not supported on all devices. Ignore silently.
+ }
+ final int maxFps = (minFrameDurationNs == 0)
+ ? defaultMaxFps
+ : (int) Math.round(NANO_SECONDS_PER_SECOND / minFrameDurationNs) * 1000;
+ formatList.add(new CaptureFormat(size.width, size.height, 0, maxFps));
+ Logging.d(TAG, "Format: " + size.width + "x" + size.height + "@" + maxFps);
+ }
+
+ cachedSupportedFormats.put(cameraId, formatList);
+ final long endTimeMs = SystemClock.elapsedRealtime();
+ Logging.d(TAG, "Get supported formats for camera index " + cameraId + " done."
+ + " Time spent: " + (endTimeMs - startTimeMs) + " ms.");
+ return formatList;
+ }
+ }
+
+ // Convert from android.util.Size to Size.
+ private static List<Size> convertSizes(android.util.Size[] cameraSizes) {
+ if (cameraSizes == null || cameraSizes.length == 0) {
+ return Collections.emptyList();
+ }
+ final List<Size> sizes = new ArrayList<>(cameraSizes.length);
+ for (android.util.Size size : cameraSizes) {
+ sizes.add(new Size(size.getWidth(), size.getHeight()));
+ }
+ return sizes;
+ }
+
+ // Convert from android.util.Range<Integer> to CaptureFormat.FramerateRange.
+ static List<CaptureFormat.FramerateRange> convertFramerates(
+ Range<Integer>[] arrayRanges, int unitFactor) {
+ final List<CaptureFormat.FramerateRange> ranges = new ArrayList<CaptureFormat.FramerateRange>();
+ for (Range<Integer> range : arrayRanges) {
+ ranges.add(new CaptureFormat.FramerateRange(
+ range.getLower() * unitFactor, range.getUpper() * unitFactor));
+ }
+ return ranges;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraEnumerationAndroid.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraEnumerationAndroid.java
new file mode 100644
index 0000000000..0c3188fffe
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraEnumerationAndroid.java
@@ -0,0 +1,206 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import static java.lang.Math.abs;
+
+import android.graphics.ImageFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+@SuppressWarnings("deprecation")
+public class CameraEnumerationAndroid {
+ private final static String TAG = "CameraEnumerationAndroid";
+
+ static final ArrayList<Size> COMMON_RESOLUTIONS = new ArrayList<Size>(Arrays.asList(
+ // 0, Unknown resolution
+ new Size(160, 120), // 1, QQVGA
+ new Size(240, 160), // 2, HQVGA
+ new Size(320, 240), // 3, QVGA
+ new Size(400, 240), // 4, WQVGA
+ new Size(480, 320), // 5, HVGA
+ new Size(640, 360), // 6, nHD
+ new Size(640, 480), // 7, VGA
+ new Size(768, 480), // 8, WVGA
+ new Size(854, 480), // 9, FWVGA
+ new Size(800, 600), // 10, SVGA
+ new Size(960, 540), // 11, qHD
+ new Size(960, 640), // 12, DVGA
+ new Size(1024, 576), // 13, WSVGA
+ new Size(1024, 600), // 14, WVSGA
+ new Size(1280, 720), // 15, HD
+ new Size(1280, 1024), // 16, SXGA
+ new Size(1920, 1080), // 17, Full HD
+ new Size(1920, 1440), // 18, Full HD 4:3
+ new Size(2560, 1440), // 19, QHD
+ new Size(3840, 2160) // 20, UHD
+ ));
+
+ public static class CaptureFormat {
+ // Class to represent a framerate range. The framerate varies because of lightning conditions.
+ // The values are multiplied by 1000, so 1000 represents one frame per second.
+ public static class FramerateRange {
+ public int min;
+ public int max;
+
+ public FramerateRange(int min, int max) {
+ this.min = min;
+ this.max = max;
+ }
+
+ @Override
+ public String toString() {
+ return "[" + (min / 1000.0f) + ":" + (max / 1000.0f) + "]";
+ }
+
+ @Override
+ public boolean equals(Object other) {
+ if (!(other instanceof FramerateRange)) {
+ return false;
+ }
+ final FramerateRange otherFramerate = (FramerateRange) other;
+ return min == otherFramerate.min && max == otherFramerate.max;
+ }
+
+ @Override
+ public int hashCode() {
+ // Use prime close to 2^16 to avoid collisions for normal values less than 2^16.
+ return 1 + 65537 * min + max;
+ }
+ }
+
+ public final int width;
+ public final int height;
+ public final FramerateRange framerate;
+
+ // TODO(hbos): If VideoCapturer.startCapture is updated to support other image formats then this
+ // needs to be updated and VideoCapturer.getSupportedFormats need to return CaptureFormats of
+ // all imageFormats.
+ public final int imageFormat = ImageFormat.NV21;
+
+ public CaptureFormat(int width, int height, int minFramerate, int maxFramerate) {
+ this.width = width;
+ this.height = height;
+ this.framerate = new FramerateRange(minFramerate, maxFramerate);
+ }
+
+ public CaptureFormat(int width, int height, FramerateRange framerate) {
+ this.width = width;
+ this.height = height;
+ this.framerate = framerate;
+ }
+
+ // Calculates the frame size of this capture format.
+ public int frameSize() {
+ return frameSize(width, height, imageFormat);
+ }
+
+ // Calculates the frame size of the specified image format. Currently only
+ // supporting ImageFormat.NV21.
+ // The size is width * height * number of bytes per pixel.
+ // http://developer.android.com/reference/android/hardware/Camera.html#addCallbackBuffer(byte[])
+ public static int frameSize(int width, int height, int imageFormat) {
+ if (imageFormat != ImageFormat.NV21) {
+ throw new UnsupportedOperationException("Don't know how to calculate "
+ + "the frame size of non-NV21 image formats.");
+ }
+ return (width * height * ImageFormat.getBitsPerPixel(imageFormat)) / 8;
+ }
+
+ @Override
+ public String toString() {
+ return width + "x" + height + "@" + framerate;
+ }
+
+ @Override
+ public boolean equals(Object other) {
+ if (!(other instanceof CaptureFormat)) {
+ return false;
+ }
+ final CaptureFormat otherFormat = (CaptureFormat) other;
+ return width == otherFormat.width && height == otherFormat.height
+ && framerate.equals(otherFormat.framerate);
+ }
+
+ @Override
+ public int hashCode() {
+ return 1 + (width * 65497 + height) * 251 + framerate.hashCode();
+ }
+ }
+
+ // Helper class for finding the closest supported format for the two functions below. It creates a
+ // comparator based on the difference to some requested parameters, where the element with the
+ // minimum difference is the element that is closest to the requested parameters.
+ private static abstract class ClosestComparator<T> implements Comparator<T> {
+ // Difference between supported and requested parameter.
+ abstract int diff(T supportedParameter);
+
+ @Override
+ public int compare(T t1, T t2) {
+ return diff(t1) - diff(t2);
+ }
+ }
+
+ // Prefer a fps range with an upper bound close to `framerate`. Also prefer a fps range with a low
+ // lower bound, to allow the framerate to fluctuate based on lightning conditions.
+ public static CaptureFormat.FramerateRange getClosestSupportedFramerateRange(
+ List<CaptureFormat.FramerateRange> supportedFramerates, final int requestedFps) {
+ return Collections.min(
+ supportedFramerates, new ClosestComparator<CaptureFormat.FramerateRange>() {
+ // Progressive penalty if the upper bound is further away than `MAX_FPS_DIFF_THRESHOLD`
+ // from requested.
+ private static final int MAX_FPS_DIFF_THRESHOLD = 5000;
+ private static final int MAX_FPS_LOW_DIFF_WEIGHT = 1;
+ private static final int MAX_FPS_HIGH_DIFF_WEIGHT = 3;
+
+ // Progressive penalty if the lower bound is bigger than `MIN_FPS_THRESHOLD`.
+ private static final int MIN_FPS_THRESHOLD = 8000;
+ private static final int MIN_FPS_LOW_VALUE_WEIGHT = 1;
+ private static final int MIN_FPS_HIGH_VALUE_WEIGHT = 4;
+
+ // Use one weight for small `value` less than `threshold`, and another weight above.
+ private int progressivePenalty(int value, int threshold, int lowWeight, int highWeight) {
+ return (value < threshold) ? value * lowWeight
+ : threshold * lowWeight + (value - threshold) * highWeight;
+ }
+
+ @Override
+ int diff(CaptureFormat.FramerateRange range) {
+ final int minFpsError = progressivePenalty(
+ range.min, MIN_FPS_THRESHOLD, MIN_FPS_LOW_VALUE_WEIGHT, MIN_FPS_HIGH_VALUE_WEIGHT);
+ final int maxFpsError = progressivePenalty(Math.abs(requestedFps * 1000 - range.max),
+ MAX_FPS_DIFF_THRESHOLD, MAX_FPS_LOW_DIFF_WEIGHT, MAX_FPS_HIGH_DIFF_WEIGHT);
+ return minFpsError + maxFpsError;
+ }
+ });
+ }
+
+ public static Size getClosestSupportedSize(
+ List<Size> supportedSizes, final int requestedWidth, final int requestedHeight) {
+ return Collections.min(supportedSizes, new ClosestComparator<Size>() {
+ @Override
+ int diff(Size size) {
+ return abs(requestedWidth - size.width) + abs(requestedHeight - size.height);
+ }
+ });
+ }
+
+ // Helper method for camera classes.
+ static void reportCameraResolution(Histogram histogram, Size resolution) {
+ int index = COMMON_RESOLUTIONS.indexOf(resolution);
+ // 0 is reserved for unknown resolution, so add 1.
+ // indexOf returns -1 for unknown resolutions so it becomes 0 automatically.
+ histogram.addSample(index + 1);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraEnumerator.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraEnumerator.java
new file mode 100644
index 0000000000..db34d542c8
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraEnumerator.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import org.webrtc.CameraEnumerationAndroid.CaptureFormat;
+
+import java.util.List;
+
+public interface CameraEnumerator {
+ public String[] getDeviceNames();
+ public boolean isFrontFacing(String deviceName);
+ public boolean isBackFacing(String deviceName);
+ public boolean isInfrared(String deviceName);
+ public List<CaptureFormat> getSupportedFormats(String deviceName);
+
+ public CameraVideoCapturer createCapturer(
+ String deviceName, CameraVideoCapturer.CameraEventsHandler eventsHandler);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraVideoCapturer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraVideoCapturer.java
new file mode 100644
index 0000000000..ec26868b5c
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/CameraVideoCapturer.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.media.MediaRecorder;
+
+/**
+ * Base interface for camera1 and camera2 implementations. Extends VideoCapturer with a
+ * switchCamera() function. Also provides subinterfaces for handling camera events, and a helper
+ * class for detecting camera freezes.
+ */
+public interface CameraVideoCapturer extends VideoCapturer {
+ /**
+ * Camera events handler - can be used to be notifed about camera events. The callbacks are
+ * executed from an arbitrary thread.
+ */
+ public interface CameraEventsHandler {
+ // Camera error handler - invoked when camera can not be opened
+ // or any camera exception happens on camera thread.
+ void onCameraError(String errorDescription);
+
+ // Called when camera is disconnected.
+ void onCameraDisconnected();
+
+ // Invoked when camera stops receiving frames.
+ void onCameraFreezed(String errorDescription);
+
+ // Callback invoked when camera is opening.
+ void onCameraOpening(String cameraName);
+
+ // Callback invoked when first camera frame is available after camera is started.
+ void onFirstFrameAvailable();
+
+ // Callback invoked when camera is closed.
+ void onCameraClosed();
+ }
+
+ /**
+ * Camera switch handler - one of these functions are invoked with the result of switchCamera().
+ * The callback may be called on an arbitrary thread.
+ */
+ public interface CameraSwitchHandler {
+ // Invoked on success. `isFrontCamera` is true if the new camera is front facing.
+ void onCameraSwitchDone(boolean isFrontCamera);
+
+ // Invoked on failure, e.g. camera is stopped or only one camera available.
+ void onCameraSwitchError(String errorDescription);
+ }
+
+ /**
+ * Switch camera to the next valid camera id. This can only be called while the camera is running.
+ * This function can be called from any thread.
+ */
+ void switchCamera(CameraSwitchHandler switchEventsHandler);
+
+ /**
+ * Switch camera to the specified camera id. This can only be called while the camera is running.
+ * This function can be called from any thread.
+ */
+ void switchCamera(CameraSwitchHandler switchEventsHandler, String cameraName);
+
+ /**
+ * MediaRecorder add/remove handler - one of these functions are invoked with the result of
+ * addMediaRecorderToCamera() or removeMediaRecorderFromCamera calls.
+ * The callback may be called on an arbitrary thread.
+ */
+ @Deprecated
+ public interface MediaRecorderHandler {
+ // Invoked on success.
+ void onMediaRecorderSuccess();
+
+ // Invoked on failure, e.g. camera is stopped or any exception happens.
+ void onMediaRecorderError(String errorDescription);
+ }
+
+ /**
+ * Add MediaRecorder to camera pipeline. This can only be called while the camera is running.
+ * Once MediaRecorder is added to camera pipeline camera switch is not allowed.
+ * This function can be called from any thread.
+ */
+ @Deprecated
+ default void addMediaRecorderToCamera(
+ MediaRecorder mediaRecorder, MediaRecorderHandler resultHandler) {
+ throw new UnsupportedOperationException("Deprecated and not implemented.");
+ }
+
+ /**
+ * Remove MediaRecorder from camera pipeline. This can only be called while the camera is running.
+ * This function can be called from any thread.
+ */
+ @Deprecated
+ default void removeMediaRecorderFromCamera(MediaRecorderHandler resultHandler) {
+ throw new UnsupportedOperationException("Deprecated and not implemented.");
+ }
+
+ /**
+ * Helper class to log framerate and detect if the camera freezes. It will run periodic callbacks
+ * on the SurfaceTextureHelper thread passed in the ctor, and should only be operated from that
+ * thread.
+ */
+ public static class CameraStatistics {
+ private final static String TAG = "CameraStatistics";
+ private final static int CAMERA_OBSERVER_PERIOD_MS = 2000;
+ private final static int CAMERA_FREEZE_REPORT_TIMOUT_MS = 4000;
+
+ private final SurfaceTextureHelper surfaceTextureHelper;
+ private final CameraEventsHandler eventsHandler;
+ private int frameCount;
+ private int freezePeriodCount;
+ // Camera observer - monitors camera framerate. Observer is executed on camera thread.
+ private final Runnable cameraObserver = new Runnable() {
+ @Override
+ public void run() {
+ final int cameraFps = Math.round(frameCount * 1000.0f / CAMERA_OBSERVER_PERIOD_MS);
+ Logging.d(TAG, "Camera fps: " + cameraFps + ".");
+ if (frameCount == 0) {
+ ++freezePeriodCount;
+ if (CAMERA_OBSERVER_PERIOD_MS * freezePeriodCount >= CAMERA_FREEZE_REPORT_TIMOUT_MS
+ && eventsHandler != null) {
+ Logging.e(TAG, "Camera freezed.");
+ if (surfaceTextureHelper.isTextureInUse()) {
+ // This can only happen if we are capturing to textures.
+ eventsHandler.onCameraFreezed("Camera failure. Client must return video buffers.");
+ } else {
+ eventsHandler.onCameraFreezed("Camera failure.");
+ }
+ return;
+ }
+ } else {
+ freezePeriodCount = 0;
+ }
+ frameCount = 0;
+ surfaceTextureHelper.getHandler().postDelayed(this, CAMERA_OBSERVER_PERIOD_MS);
+ }
+ };
+
+ public CameraStatistics(
+ SurfaceTextureHelper surfaceTextureHelper, CameraEventsHandler eventsHandler) {
+ if (surfaceTextureHelper == null) {
+ throw new IllegalArgumentException("SurfaceTextureHelper is null");
+ }
+ this.surfaceTextureHelper = surfaceTextureHelper;
+ this.eventsHandler = eventsHandler;
+ this.frameCount = 0;
+ this.freezePeriodCount = 0;
+ surfaceTextureHelper.getHandler().postDelayed(cameraObserver, CAMERA_OBSERVER_PERIOD_MS);
+ }
+
+ private void checkThread() {
+ if (Thread.currentThread() != surfaceTextureHelper.getHandler().getLooper().getThread()) {
+ throw new IllegalStateException("Wrong thread");
+ }
+ }
+
+ public void addFrame() {
+ checkThread();
+ ++frameCount;
+ }
+
+ public void release() {
+ surfaceTextureHelper.getHandler().removeCallbacks(cameraObserver);
+ }
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/CapturerObserver.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/CapturerObserver.java
new file mode 100644
index 0000000000..382dc15b3a
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/CapturerObserver.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Interface for observering a capturer. Passed to {@link VideoCapturer#initialize}. Provided by
+ * {@link VideoSource#getCapturerObserver}.
+ *
+ * All callbacks must be executed on a single thread.
+ */
+public interface CapturerObserver {
+ /** Notify if the capturer have been started successfully or not. */
+ void onCapturerStarted(boolean success);
+ /** Notify that the capturer has been stopped. */
+ void onCapturerStopped();
+
+ /** Delivers a captured frame. */
+ void onFrameCaptured(VideoFrame frame);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/CryptoOptions.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/CryptoOptions.java
new file mode 100644
index 0000000000..6e06bc6426
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/CryptoOptions.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * CryptoOptions defines advanced cryptographic settings for native WebRTC.
+ * These settings must be passed into RTCConfiguration. WebRTC is secur by
+ * default and you should not need to set any of these options unless you are
+ * specifically looking for an additional crypto feature such as AES_GCM
+ * support. This class is the Java binding of native api/crypto/cryptooptions.h
+ */
+public final class CryptoOptions {
+ /**
+ * SRTP Related Peer Connection Options.
+ */
+ public final class Srtp {
+ /**
+ * Enable GCM crypto suites from RFC 7714 for SRTP. GCM will only be used
+ * if both sides enable it
+ */
+ private final boolean enableGcmCryptoSuites;
+ /**
+ * If set to true, the (potentially insecure) crypto cipher
+ * kSrtpAes128CmSha1_32 will be included in the list of supported ciphers
+ * during negotiation. It will only be used if both peers support it and no
+ * other ciphers get preferred.
+ */
+ private final boolean enableAes128Sha1_32CryptoCipher;
+ /**
+ * If set to true, encrypted RTP header extensions as defined in RFC 6904
+ * will be negotiated. They will only be used if both peers support them.
+ */
+ private final boolean enableEncryptedRtpHeaderExtensions;
+
+ private Srtp(boolean enableGcmCryptoSuites, boolean enableAes128Sha1_32CryptoCipher,
+ boolean enableEncryptedRtpHeaderExtensions) {
+ this.enableGcmCryptoSuites = enableGcmCryptoSuites;
+ this.enableAes128Sha1_32CryptoCipher = enableAes128Sha1_32CryptoCipher;
+ this.enableEncryptedRtpHeaderExtensions = enableEncryptedRtpHeaderExtensions;
+ }
+
+ @CalledByNative("Srtp")
+ public boolean getEnableGcmCryptoSuites() {
+ return enableGcmCryptoSuites;
+ }
+
+ @CalledByNative("Srtp")
+ public boolean getEnableAes128Sha1_32CryptoCipher() {
+ return enableAes128Sha1_32CryptoCipher;
+ }
+
+ @CalledByNative("Srtp")
+ public boolean getEnableEncryptedRtpHeaderExtensions() {
+ return enableEncryptedRtpHeaderExtensions;
+ }
+ }
+
+ /**
+ * Options to be used when the FrameEncryptor / FrameDecryptor APIs are used.
+ */
+ public final class SFrame {
+ /**
+ * If set all RtpSenders must have an FrameEncryptor attached to them before
+ * they are allowed to send packets. All RtpReceivers must have a
+ * FrameDecryptor attached to them before they are able to receive packets.
+ */
+ private final boolean requireFrameEncryption;
+
+ private SFrame(boolean requireFrameEncryption) {
+ this.requireFrameEncryption = requireFrameEncryption;
+ }
+
+ @CalledByNative("SFrame")
+ public boolean getRequireFrameEncryption() {
+ return requireFrameEncryption;
+ }
+ }
+
+ private final Srtp srtp;
+ private final SFrame sframe;
+
+ private CryptoOptions(boolean enableGcmCryptoSuites, boolean enableAes128Sha1_32CryptoCipher,
+ boolean enableEncryptedRtpHeaderExtensions, boolean requireFrameEncryption) {
+ this.srtp = new Srtp(
+ enableGcmCryptoSuites, enableAes128Sha1_32CryptoCipher, enableEncryptedRtpHeaderExtensions);
+ this.sframe = new SFrame(requireFrameEncryption);
+ }
+
+ public static Builder builder() {
+ return new Builder();
+ }
+
+ @CalledByNative
+ public Srtp getSrtp() {
+ return srtp;
+ }
+
+ @CalledByNative
+ public SFrame getSFrame() {
+ return sframe;
+ }
+
+ public static class Builder {
+ private boolean enableGcmCryptoSuites;
+ private boolean enableAes128Sha1_32CryptoCipher;
+ private boolean enableEncryptedRtpHeaderExtensions;
+ private boolean requireFrameEncryption;
+
+ private Builder() {}
+
+ public Builder setEnableGcmCryptoSuites(boolean enableGcmCryptoSuites) {
+ this.enableGcmCryptoSuites = enableGcmCryptoSuites;
+ return this;
+ }
+
+ public Builder setEnableAes128Sha1_32CryptoCipher(boolean enableAes128Sha1_32CryptoCipher) {
+ this.enableAes128Sha1_32CryptoCipher = enableAes128Sha1_32CryptoCipher;
+ return this;
+ }
+
+ public Builder setEnableEncryptedRtpHeaderExtensions(
+ boolean enableEncryptedRtpHeaderExtensions) {
+ this.enableEncryptedRtpHeaderExtensions = enableEncryptedRtpHeaderExtensions;
+ return this;
+ }
+
+ public Builder setRequireFrameEncryption(boolean requireFrameEncryption) {
+ this.requireFrameEncryption = requireFrameEncryption;
+ return this;
+ }
+
+ public CryptoOptions createCryptoOptions() {
+ return new CryptoOptions(enableGcmCryptoSuites, enableAes128Sha1_32CryptoCipher,
+ enableEncryptedRtpHeaderExtensions, requireFrameEncryption);
+ }
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/DataChannel.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/DataChannel.java
new file mode 100644
index 0000000000..b9301f1faa
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/DataChannel.java
@@ -0,0 +1,196 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import java.nio.ByteBuffer;
+
+/** Java wrapper for a C++ DataChannelInterface. */
+public class DataChannel {
+ /** Java wrapper for WebIDL RTCDataChannel. */
+ public static class Init {
+ public boolean ordered = true;
+ // Optional unsigned short in WebIDL, -1 means unspecified.
+ public int maxRetransmitTimeMs = -1;
+ // Optional unsigned short in WebIDL, -1 means unspecified.
+ public int maxRetransmits = -1;
+ public String protocol = "";
+ public boolean negotiated;
+ // Optional unsigned short in WebIDL, -1 means unspecified.
+ public int id = -1;
+
+ @CalledByNative("Init")
+ boolean getOrdered() {
+ return ordered;
+ }
+
+ @CalledByNative("Init")
+ int getMaxRetransmitTimeMs() {
+ return maxRetransmitTimeMs;
+ }
+
+ @CalledByNative("Init")
+ int getMaxRetransmits() {
+ return maxRetransmits;
+ }
+
+ @CalledByNative("Init")
+ String getProtocol() {
+ return protocol;
+ }
+
+ @CalledByNative("Init")
+ boolean getNegotiated() {
+ return negotiated;
+ }
+
+ @CalledByNative("Init")
+ int getId() {
+ return id;
+ }
+ }
+
+ /** Java version of C++ DataBuffer. The atom of data in a DataChannel. */
+ public static class Buffer {
+ /** The underlying data. */
+ public final ByteBuffer data;
+
+ /**
+ * Indicates whether `data` contains UTF-8 text or "binary data"
+ * (i.e. anything else).
+ */
+ public final boolean binary;
+
+ @CalledByNative("Buffer")
+ public Buffer(ByteBuffer data, boolean binary) {
+ this.data = data;
+ this.binary = binary;
+ }
+ }
+
+ /** Java version of C++ DataChannelObserver. */
+ public interface Observer {
+ /** The data channel's bufferedAmount has changed. */
+ @CalledByNative("Observer") public void onBufferedAmountChange(long previousAmount);
+ /** The data channel state has changed. */
+ @CalledByNative("Observer") public void onStateChange();
+ /**
+ * A data buffer was successfully received. NOTE: `buffer.data` will be
+ * freed once this function returns so callers who want to use the data
+ * asynchronously must make sure to copy it first.
+ */
+ @CalledByNative("Observer") public void onMessage(Buffer buffer);
+ }
+
+ /** Keep in sync with DataChannelInterface::DataState. */
+ public enum State {
+ CONNECTING,
+ OPEN,
+ CLOSING,
+ CLOSED;
+
+ @CalledByNative("State")
+ static State fromNativeIndex(int nativeIndex) {
+ return values()[nativeIndex];
+ }
+ }
+
+ private long nativeDataChannel;
+ private long nativeObserver;
+
+ @CalledByNative
+ public DataChannel(long nativeDataChannel) {
+ this.nativeDataChannel = nativeDataChannel;
+ }
+
+ /** Register `observer`, replacing any previously-registered observer. */
+ public void registerObserver(Observer observer) {
+ checkDataChannelExists();
+ if (nativeObserver != 0) {
+ nativeUnregisterObserver(nativeObserver);
+ }
+ nativeObserver = nativeRegisterObserver(observer);
+ }
+
+ /** Unregister the (only) observer. */
+ public void unregisterObserver() {
+ checkDataChannelExists();
+ nativeUnregisterObserver(nativeObserver);
+ nativeObserver = 0;
+ }
+
+ public String label() {
+ checkDataChannelExists();
+ return nativeLabel();
+ }
+
+ public int id() {
+ checkDataChannelExists();
+ return nativeId();
+ }
+
+ public State state() {
+ checkDataChannelExists();
+ return nativeState();
+ }
+
+ /**
+ * Return the number of bytes of application data (UTF-8 text and binary data)
+ * that have been queued using SendBuffer but have not yet been transmitted
+ * to the network.
+ */
+ public long bufferedAmount() {
+ checkDataChannelExists();
+ return nativeBufferedAmount();
+ }
+
+ /** Close the channel. */
+ public void close() {
+ checkDataChannelExists();
+ nativeClose();
+ }
+
+ /** Send `data` to the remote peer; return success. */
+ public boolean send(Buffer buffer) {
+ checkDataChannelExists();
+ // TODO(fischman): this could be cleverer about avoiding copies if the
+ // ByteBuffer is direct and/or is backed by an array.
+ byte[] data = new byte[buffer.data.remaining()];
+ buffer.data.get(data);
+ return nativeSend(data, buffer.binary);
+ }
+
+ /** Dispose of native resources attached to this channel. */
+ public void dispose() {
+ checkDataChannelExists();
+ JniCommon.nativeReleaseRef(nativeDataChannel);
+ nativeDataChannel = 0;
+ }
+
+ @CalledByNative
+ long getNativeDataChannel() {
+ return nativeDataChannel;
+ }
+
+ private void checkDataChannelExists() {
+ if (nativeDataChannel == 0) {
+ throw new IllegalStateException("DataChannel has been disposed.");
+ }
+ }
+
+ private native long nativeRegisterObserver(Observer observer);
+ private native void nativeUnregisterObserver(long observer);
+ private native String nativeLabel();
+ private native int nativeId();
+ private native State nativeState();
+ private native long nativeBufferedAmount();
+ private native void nativeClose();
+ private native boolean nativeSend(byte[] data, boolean binary);
+};
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/Dav1dDecoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/Dav1dDecoder.java
new file mode 100644
index 0000000000..ecb16bc3a1
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/Dav1dDecoder.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public class Dav1dDecoder extends WrappedNativeVideoDecoder {
+ @Override
+ public long createNativeVideoDecoder() {
+ return nativeCreateDecoder();
+ }
+
+ static native long nativeCreateDecoder();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/DefaultVideoDecoderFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/DefaultVideoDecoderFactory.java
new file mode 100644
index 0000000000..d7a8694d3d
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/DefaultVideoDecoderFactory.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+
+/**
+ * Helper class that combines HW and SW decoders.
+ */
+public class DefaultVideoDecoderFactory implements VideoDecoderFactory {
+ private final VideoDecoderFactory hardwareVideoDecoderFactory;
+ private final VideoDecoderFactory softwareVideoDecoderFactory = new SoftwareVideoDecoderFactory();
+ private final @Nullable VideoDecoderFactory platformSoftwareVideoDecoderFactory;
+
+ /**
+ * Create decoder factory using default hardware decoder factory.
+ */
+ public DefaultVideoDecoderFactory(@Nullable EglBase.Context eglContext) {
+ this.hardwareVideoDecoderFactory = new HardwareVideoDecoderFactory(eglContext);
+ this.platformSoftwareVideoDecoderFactory = new PlatformSoftwareVideoDecoderFactory(eglContext);
+ }
+
+ /**
+ * Create decoder factory using explicit hardware decoder factory.
+ */
+ DefaultVideoDecoderFactory(VideoDecoderFactory hardwareVideoDecoderFactory) {
+ this.hardwareVideoDecoderFactory = hardwareVideoDecoderFactory;
+ this.platformSoftwareVideoDecoderFactory = null;
+ }
+
+ @Override
+ public @Nullable VideoDecoder createDecoder(VideoCodecInfo codecType) {
+ VideoDecoder softwareDecoder = softwareVideoDecoderFactory.createDecoder(codecType);
+ final VideoDecoder hardwareDecoder = hardwareVideoDecoderFactory.createDecoder(codecType);
+ if (softwareDecoder == null && platformSoftwareVideoDecoderFactory != null) {
+ softwareDecoder = platformSoftwareVideoDecoderFactory.createDecoder(codecType);
+ }
+ if (hardwareDecoder != null && softwareDecoder != null) {
+ // Both hardware and software supported, wrap it in a software fallback
+ return new VideoDecoderFallback(
+ /* fallback= */ softwareDecoder, /* primary= */ hardwareDecoder);
+ }
+ return hardwareDecoder != null ? hardwareDecoder : softwareDecoder;
+ }
+
+ @Override
+ public VideoCodecInfo[] getSupportedCodecs() {
+ LinkedHashSet<VideoCodecInfo> supportedCodecInfos = new LinkedHashSet<VideoCodecInfo>();
+
+ supportedCodecInfos.addAll(Arrays.asList(softwareVideoDecoderFactory.getSupportedCodecs()));
+ supportedCodecInfos.addAll(Arrays.asList(hardwareVideoDecoderFactory.getSupportedCodecs()));
+ if (platformSoftwareVideoDecoderFactory != null) {
+ supportedCodecInfos.addAll(
+ Arrays.asList(platformSoftwareVideoDecoderFactory.getSupportedCodecs()));
+ }
+
+ return supportedCodecInfos.toArray(new VideoCodecInfo[supportedCodecInfos.size()]);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/DtmfSender.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/DtmfSender.java
new file mode 100644
index 0000000000..6549823089
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/DtmfSender.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Java wrapper for a C++ DtmfSenderInterface. */
+public class DtmfSender {
+ private long nativeDtmfSender;
+
+ public DtmfSender(long nativeDtmfSender) {
+ this.nativeDtmfSender = nativeDtmfSender;
+ }
+
+ /**
+ * @return true if this DtmfSender is capable of sending DTMF. Otherwise false.
+ */
+ public boolean canInsertDtmf() {
+ checkDtmfSenderExists();
+ return nativeCanInsertDtmf(nativeDtmfSender);
+ }
+
+ /**
+ * Queues a task that sends the provided DTMF tones.
+ * <p>
+ * If insertDtmf is called on the same object while an existing task for this
+ * object to generate DTMF is still running, the previous task is canceled.
+ *
+ * @param tones This parameter is treated as a series of characters. The characters 0
+ * through 9, A through D, #, and * generate the associated DTMF tones. The
+ * characters a to d are equivalent to A to D. The character ',' indicates a
+ * delay of 2 seconds before processing the next character in the tones
+ * parameter. Unrecognized characters are ignored.
+ * @param duration Indicates the duration in ms to use for each character passed in the tones
+ * parameter. The duration cannot be more than 6000 or less than 70.
+ * @param interToneGap Indicates the gap between tones in ms. Must be at least 50 ms but should be
+ * as short as possible.
+ * @return true on success and false on failure.
+ */
+ public boolean insertDtmf(String tones, int duration, int interToneGap) {
+ checkDtmfSenderExists();
+ return nativeInsertDtmf(nativeDtmfSender, tones, duration, interToneGap);
+ }
+
+ /**
+ * @return The tones remaining to be played out
+ */
+ public String tones() {
+ checkDtmfSenderExists();
+ return nativeTones(nativeDtmfSender);
+ }
+
+ /**
+ * @return The current tone duration value in ms. This value will be the value last set via the
+ * insertDtmf() method, or the default value of 100 ms if insertDtmf() was never called.
+ */
+ public int duration() {
+ checkDtmfSenderExists();
+ return nativeDuration(nativeDtmfSender);
+ }
+
+ /**
+ * @return The current value of the between-tone gap in ms. This value will be the value last set
+ * via the insertDtmf() method, or the default value of 50 ms if insertDtmf() was never
+ * called.
+ */
+ public int interToneGap() {
+ checkDtmfSenderExists();
+ return nativeInterToneGap(nativeDtmfSender);
+ }
+
+ public void dispose() {
+ checkDtmfSenderExists();
+ JniCommon.nativeReleaseRef(nativeDtmfSender);
+ nativeDtmfSender = 0;
+ }
+
+ private void checkDtmfSenderExists() {
+ if (nativeDtmfSender == 0) {
+ throw new IllegalStateException("DtmfSender has been disposed.");
+ }
+ }
+
+ private static native boolean nativeCanInsertDtmf(long dtmfSender);
+ private static native boolean nativeInsertDtmf(
+ long dtmfSender, String tones, int duration, int interToneGap);
+ private static native String nativeTones(long dtmfSender);
+ private static native int nativeDuration(long dtmfSender);
+ private static native int nativeInterToneGap(long dtmfSender);
+};
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase.java
new file mode 100644
index 0000000000..64771d004a
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase.java
@@ -0,0 +1,255 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.graphics.SurfaceTexture;
+import android.view.Surface;
+import androidx.annotation.Nullable;
+import java.util.ArrayList;
+import javax.microedition.khronos.egl.EGL10;
+
+/**
+ * Holds EGL state and utility methods for handling an egl 1.0 EGLContext, an EGLDisplay,
+ * and an EGLSurface.
+ */
+public interface EglBase {
+ // EGL wrapper for an actual EGLContext.
+ public interface Context {
+ public final static long NO_CONTEXT = 0;
+
+ /**
+ * Returns an EGL context that can be used by native code. Returns NO_CONTEXT if the method is
+ * unsupported.
+ *
+ * @note This is currently only supported for EGL 1.4 and not for EGL 1.0.
+ */
+ long getNativeEglContext();
+ }
+
+ // According to the documentation, EGL can be used from multiple threads at the same time if each
+ // thread has its own EGLContext, but in practice it deadlocks on some devices when doing this.
+ // Therefore, synchronize on this global lock before calling dangerous EGL functions that might
+ // deadlock. See https://bugs.chromium.org/p/webrtc/issues/detail?id=5702 for more info.
+ public static final Object lock = new Object();
+
+ // These constants are taken from EGL14.EGL_OPENGL_ES2_BIT and EGL14.EGL_CONTEXT_CLIENT_VERSION.
+ // https://android.googlesource.com/platform/frameworks/base/+/master/opengl/java/android/opengl/EGL14.java
+ // This is similar to how GlSurfaceView does:
+ // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/5.1.1_r1/android/opengl/GLSurfaceView.java#760
+ public static final int EGL_OPENGL_ES2_BIT = 4;
+ public static final int EGL_OPENGL_ES3_BIT = 0x40;
+ // Android-specific extension.
+ public static final int EGL_RECORDABLE_ANDROID = 0x3142;
+
+ public static ConfigBuilder configBuilder() {
+ return new ConfigBuilder();
+ }
+
+ public static class ConfigBuilder {
+ private int openGlesVersion = 2;
+ private boolean hasAlphaChannel;
+ private boolean supportsPixelBuffer;
+ private boolean isRecordable;
+
+ public ConfigBuilder setOpenGlesVersion(int version) {
+ if (version < 1 || version > 3) {
+ throw new IllegalArgumentException("OpenGL ES version " + version + " not supported");
+ }
+ this.openGlesVersion = version;
+ return this;
+ }
+
+ public ConfigBuilder setHasAlphaChannel(boolean hasAlphaChannel) {
+ this.hasAlphaChannel = hasAlphaChannel;
+ return this;
+ }
+
+ public ConfigBuilder setSupportsPixelBuffer(boolean supportsPixelBuffer) {
+ this.supportsPixelBuffer = supportsPixelBuffer;
+ return this;
+ }
+
+ public ConfigBuilder setIsRecordable(boolean isRecordable) {
+ this.isRecordable = isRecordable;
+ return this;
+ }
+
+ public int[] createConfigAttributes() {
+ ArrayList<Integer> list = new ArrayList<>();
+ list.add(EGL10.EGL_RED_SIZE);
+ list.add(8);
+ list.add(EGL10.EGL_GREEN_SIZE);
+ list.add(8);
+ list.add(EGL10.EGL_BLUE_SIZE);
+ list.add(8);
+ if (hasAlphaChannel) {
+ list.add(EGL10.EGL_ALPHA_SIZE);
+ list.add(8);
+ }
+ if (openGlesVersion == 2 || openGlesVersion == 3) {
+ list.add(EGL10.EGL_RENDERABLE_TYPE);
+ list.add(openGlesVersion == 3 ? EGL_OPENGL_ES3_BIT : EGL_OPENGL_ES2_BIT);
+ }
+ if (supportsPixelBuffer) {
+ list.add(EGL10.EGL_SURFACE_TYPE);
+ list.add(EGL10.EGL_PBUFFER_BIT);
+ }
+ if (isRecordable) {
+ list.add(EGL_RECORDABLE_ANDROID);
+ list.add(1);
+ }
+ list.add(EGL10.EGL_NONE);
+
+ final int[] res = new int[list.size()];
+ for (int i = 0; i < list.size(); ++i) {
+ res[i] = list.get(i);
+ }
+ return res;
+ }
+ }
+
+ public static final int[] CONFIG_PLAIN = configBuilder().createConfigAttributes();
+ public static final int[] CONFIG_RGBA =
+ configBuilder().setHasAlphaChannel(true).createConfigAttributes();
+ public static final int[] CONFIG_PIXEL_BUFFER =
+ configBuilder().setSupportsPixelBuffer(true).createConfigAttributes();
+ public static final int[] CONFIG_PIXEL_RGBA_BUFFER = configBuilder()
+ .setHasAlphaChannel(true)
+ .setSupportsPixelBuffer(true)
+ .createConfigAttributes();
+ public static final int[] CONFIG_RECORDABLE =
+ configBuilder().setIsRecordable(true).createConfigAttributes();
+
+ static int getOpenGlesVersionFromConfig(int[] configAttributes) {
+ for (int i = 0; i < configAttributes.length - 1; ++i) {
+ if (configAttributes[i] == EGL10.EGL_RENDERABLE_TYPE) {
+ switch (configAttributes[i + 1]) {
+ case EGL_OPENGL_ES2_BIT:
+ return 2;
+ case EGL_OPENGL_ES3_BIT:
+ return 3;
+ default:
+ return 1;
+ }
+ }
+ }
+ // Default to V1 if no renderable type is specified.
+ return 1;
+ }
+
+ /**
+ * Create a new context with the specified config attributes, sharing data with `sharedContext`.
+ * If `sharedContext` is null, a root EGL 1.4 context is created.
+ */
+ public static EglBase create(@Nullable Context sharedContext, int[] configAttributes) {
+ if (sharedContext == null) {
+ return createEgl14(configAttributes);
+ } else if (sharedContext instanceof EglBase14.Context) {
+ return createEgl14((EglBase14.Context) sharedContext, configAttributes);
+ } else if (sharedContext instanceof EglBase10.Context) {
+ return createEgl10((EglBase10.Context) sharedContext, configAttributes);
+ }
+ throw new IllegalArgumentException("Unrecognized Context");
+ }
+
+ /**
+ * Helper function for creating a plain root context. This function will try to create an EGL 1.4
+ * context if possible, and an EGL 1.0 context otherwise.
+ */
+ public static EglBase create() {
+ return create(null /* shaderContext */, CONFIG_PLAIN);
+ }
+
+ /**
+ * Helper function for creating a plain context, sharing data with `sharedContext`. This function
+ * will try to create an EGL 1.4 context if possible, and an EGL 1.0 context otherwise.
+ */
+ public static EglBase create(Context sharedContext) {
+ return create(sharedContext, CONFIG_PLAIN);
+ }
+
+ /** Explicitly create a root EGl 1.0 context with the specified config attributes. */
+ public static EglBase10 createEgl10(int[] configAttributes) {
+ return new EglBase10Impl(/* sharedContext= */ null, configAttributes);
+ }
+
+ /**
+ * Explicitly create a root EGl 1.0 context with the specified config attributes and shared
+ * context.
+ */
+ public static EglBase10 createEgl10(EglBase10.Context sharedContext, int[] configAttributes) {
+ return new EglBase10Impl(
+ sharedContext == null ? null : sharedContext.getRawContext(), configAttributes);
+ }
+
+ /**
+ * Explicitly create a root EGl 1.0 context with the specified config attributes
+ * and shared context.
+ */
+ public static EglBase10 createEgl10(
+ javax.microedition.khronos.egl.EGLContext sharedContext, int[] configAttributes) {
+ return new EglBase10Impl(sharedContext, configAttributes);
+ }
+
+ /** Explicitly create a root EGl 1.4 context with the specified config attributes. */
+ public static EglBase14 createEgl14(int[] configAttributes) {
+ return new EglBase14Impl(/* sharedContext= */ null, configAttributes);
+ }
+
+ /**
+ * Explicitly create a root EGl 1.4 context with the specified config attributes and shared
+ * context.
+ */
+ public static EglBase14 createEgl14(EglBase14.Context sharedContext, int[] configAttributes) {
+ return new EglBase14Impl(
+ sharedContext == null ? null : sharedContext.getRawContext(), configAttributes);
+ }
+
+ /**
+ * Explicitly create a root EGl 1.4 context with the specified config attributes
+ * and shared context.
+ */
+ public static EglBase14 createEgl14(
+ android.opengl.EGLContext sharedContext, int[] configAttributes) {
+ return new EglBase14Impl(sharedContext, configAttributes);
+ }
+
+ void createSurface(Surface surface);
+
+ // Create EGLSurface from the Android SurfaceTexture.
+ void createSurface(SurfaceTexture surfaceTexture);
+
+ // Create dummy 1x1 pixel buffer surface so the context can be made current.
+ void createDummyPbufferSurface();
+
+ void createPbufferSurface(int width, int height);
+
+ Context getEglBaseContext();
+
+ boolean hasSurface();
+
+ int surfaceWidth();
+
+ int surfaceHeight();
+
+ void releaseSurface();
+
+ void release();
+
+ void makeCurrent();
+
+ // Detach the current EGL context, so that it can be made current on another thread.
+ void detachCurrent();
+
+ void swapBuffers();
+
+ void swapBuffers(long presentationTimeStampNs);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase10.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase10.java
new file mode 100644
index 0000000000..f8b0a3c0d0
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase10.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2019 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import javax.microedition.khronos.egl.EGLContext;
+
+/** EGL 1.0 implementation of EglBase. */
+public interface EglBase10 extends EglBase {
+ interface Context extends EglBase.Context {
+ EGLContext getRawContext();
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase14.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase14.java
new file mode 100644
index 0000000000..69c89c44dc
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/EglBase14.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2019 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.opengl.EGLContext;
+
+/** EGL 1.4 implementation of EglBase. */
+public interface EglBase14 extends EglBase {
+ interface Context extends EglBase.Context {
+ EGLContext getRawContext();
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/EglRenderer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/EglRenderer.java
new file mode 100644
index 0000000000..5ab0868ef3
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/EglRenderer.java
@@ -0,0 +1,787 @@
+/*
+ * Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.graphics.Bitmap;
+import android.graphics.Matrix;
+import android.graphics.SurfaceTexture;
+import android.opengl.GLES20;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Looper;
+import android.os.Message;
+import android.view.Surface;
+import androidx.annotation.Nullable;
+import java.nio.ByteBuffer;
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Implements VideoSink by displaying the video stream on an EGL Surface. This class is intended to
+ * be used as a helper class for rendering on SurfaceViews and TextureViews.
+ */
+public class EglRenderer implements VideoSink {
+ private static final String TAG = "EglRenderer";
+ private static final long LOG_INTERVAL_SEC = 4;
+
+ public interface FrameListener { void onFrame(Bitmap frame); }
+
+ /** Callback for clients to be notified about errors encountered during rendering. */
+ public static interface ErrorCallback {
+ /** Called if GLES20.GL_OUT_OF_MEMORY is encountered during rendering. */
+ void onGlOutOfMemory();
+ }
+
+ private static class FrameListenerAndParams {
+ public final FrameListener listener;
+ public final float scale;
+ public final RendererCommon.GlDrawer drawer;
+ public final boolean applyFpsReduction;
+
+ public FrameListenerAndParams(FrameListener listener, float scale,
+ RendererCommon.GlDrawer drawer, boolean applyFpsReduction) {
+ this.listener = listener;
+ this.scale = scale;
+ this.drawer = drawer;
+ this.applyFpsReduction = applyFpsReduction;
+ }
+ }
+
+ private class EglSurfaceCreation implements Runnable {
+ private Object surface;
+
+ // TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
+ @SuppressWarnings("NoSynchronizedMethodCheck")
+ public synchronized void setSurface(Object surface) {
+ this.surface = surface;
+ }
+
+ @Override
+ // TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
+ @SuppressWarnings("NoSynchronizedMethodCheck")
+ public synchronized void run() {
+ if (surface != null && eglBase != null && !eglBase.hasSurface()) {
+ if (surface instanceof Surface) {
+ eglBase.createSurface((Surface) surface);
+ } else if (surface instanceof SurfaceTexture) {
+ eglBase.createSurface((SurfaceTexture) surface);
+ } else {
+ throw new IllegalStateException("Invalid surface: " + surface);
+ }
+ eglBase.makeCurrent();
+ // Necessary for YUV frames with odd width.
+ GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, 1);
+ }
+ }
+ }
+
+ /**
+ * Handler that triggers a callback when an uncaught exception happens when handling a message.
+ */
+ private static class HandlerWithExceptionCallback extends Handler {
+ private final Runnable exceptionCallback;
+
+ public HandlerWithExceptionCallback(Looper looper, Runnable exceptionCallback) {
+ super(looper);
+ this.exceptionCallback = exceptionCallback;
+ }
+
+ @Override
+ public void dispatchMessage(Message msg) {
+ try {
+ super.dispatchMessage(msg);
+ } catch (Exception e) {
+ Logging.e(TAG, "Exception on EglRenderer thread", e);
+ exceptionCallback.run();
+ throw e;
+ }
+ }
+ }
+
+ protected final String name;
+
+ // `renderThreadHandler` is a handler for communicating with `renderThread`, and is synchronized
+ // on `handlerLock`.
+ private final Object handlerLock = new Object();
+ @Nullable private Handler renderThreadHandler;
+
+ private final ArrayList<FrameListenerAndParams> frameListeners = new ArrayList<>();
+
+ private volatile ErrorCallback errorCallback;
+
+ // Variables for fps reduction.
+ private final Object fpsReductionLock = new Object();
+ // Time for when next frame should be rendered.
+ private long nextFrameTimeNs;
+ // Minimum duration between frames when fps reduction is active, or -1 if video is completely
+ // paused.
+ private long minRenderPeriodNs;
+
+ // EGL and GL resources for drawing YUV/OES textures. After initialization, these are only
+ // accessed from the render thread.
+ @Nullable private EglBase eglBase;
+ private final VideoFrameDrawer frameDrawer;
+ @Nullable private RendererCommon.GlDrawer drawer;
+ private boolean usePresentationTimeStamp;
+ private final Matrix drawMatrix = new Matrix();
+
+ // Pending frame to render. Serves as a queue with size 1. Synchronized on `frameLock`.
+ private final Object frameLock = new Object();
+ @Nullable private VideoFrame pendingFrame;
+
+ // These variables are synchronized on `layoutLock`.
+ private final Object layoutLock = new Object();
+ private float layoutAspectRatio;
+ // If true, mirrors the video stream horizontally.
+ private boolean mirrorHorizontally;
+ // If true, mirrors the video stream vertically.
+ private boolean mirrorVertically;
+
+ // These variables are synchronized on `statisticsLock`.
+ private final Object statisticsLock = new Object();
+ // Total number of video frames received in renderFrame() call.
+ private int framesReceived;
+ // Number of video frames dropped by renderFrame() because previous frame has not been rendered
+ // yet.
+ private int framesDropped;
+ // Number of rendered video frames.
+ private int framesRendered;
+ // Start time for counting these statistics, or 0 if we haven't started measuring yet.
+ private long statisticsStartTimeNs;
+ // Time in ns spent in renderFrameOnRenderThread() function.
+ private long renderTimeNs;
+ // Time in ns spent by the render thread in the swapBuffers() function.
+ private long renderSwapBufferTimeNs;
+
+ // Used for bitmap capturing.
+ private final GlTextureFrameBuffer bitmapTextureFramebuffer =
+ new GlTextureFrameBuffer(GLES20.GL_RGBA);
+
+ private final Runnable logStatisticsRunnable = new Runnable() {
+ @Override
+ public void run() {
+ logStatistics();
+ synchronized (handlerLock) {
+ if (renderThreadHandler != null) {
+ renderThreadHandler.removeCallbacks(logStatisticsRunnable);
+ renderThreadHandler.postDelayed(
+ logStatisticsRunnable, TimeUnit.SECONDS.toMillis(LOG_INTERVAL_SEC));
+ }
+ }
+ }
+ };
+
+ private final EglSurfaceCreation eglSurfaceCreationRunnable = new EglSurfaceCreation();
+
+ /**
+ * Standard constructor. The name will be used for the render thread name and included when
+ * logging. In order to render something, you must first call init() and createEglSurface.
+ */
+ public EglRenderer(String name) {
+ this(name, new VideoFrameDrawer());
+ }
+
+ public EglRenderer(String name, VideoFrameDrawer videoFrameDrawer) {
+ this.name = name;
+ this.frameDrawer = videoFrameDrawer;
+ }
+
+ /**
+ * Initialize this class, sharing resources with `sharedContext`. The custom `drawer` will be used
+ * for drawing frames on the EGLSurface. This class is responsible for calling release() on
+ * `drawer`. It is allowed to call init() to reinitialize the renderer after a previous
+ * init()/release() cycle. If usePresentationTimeStamp is true, eglPresentationTimeANDROID will be
+ * set with the frame timestamps, which specifies desired presentation time and might be useful
+ * for e.g. syncing audio and video.
+ */
+ public void init(@Nullable final EglBase.Context sharedContext, final int[] configAttributes,
+ RendererCommon.GlDrawer drawer, boolean usePresentationTimeStamp) {
+ synchronized (handlerLock) {
+ if (renderThreadHandler != null) {
+ throw new IllegalStateException(name + "Already initialized");
+ }
+ logD("Initializing EglRenderer");
+ this.drawer = drawer;
+ this.usePresentationTimeStamp = usePresentationTimeStamp;
+
+ final HandlerThread renderThread = new HandlerThread(name + "EglRenderer");
+ renderThread.start();
+ renderThreadHandler =
+ new HandlerWithExceptionCallback(renderThread.getLooper(), new Runnable() {
+ @Override
+ public void run() {
+ synchronized (handlerLock) {
+ renderThreadHandler = null;
+ }
+ }
+ });
+ // Create EGL context on the newly created render thread. It should be possibly to create the
+ // context on this thread and make it current on the render thread, but this causes failure on
+ // some Marvel based JB devices. https://bugs.chromium.org/p/webrtc/issues/detail?id=6350.
+ ThreadUtils.invokeAtFrontUninterruptibly(renderThreadHandler, () -> {
+ // If sharedContext is null, then texture frames are disabled. This is typically for old
+ // devices that might not be fully spec compliant, so force EGL 1.0 since EGL 1.4 has
+ // caused trouble on some weird devices.
+ if (sharedContext == null) {
+ logD("EglBase10.create context");
+ eglBase = EglBase.createEgl10(configAttributes);
+ } else {
+ logD("EglBase.create shared context");
+ eglBase = EglBase.create(sharedContext, configAttributes);
+ }
+ });
+ renderThreadHandler.post(eglSurfaceCreationRunnable);
+ final long currentTimeNs = System.nanoTime();
+ resetStatistics(currentTimeNs);
+ renderThreadHandler.postDelayed(
+ logStatisticsRunnable, TimeUnit.SECONDS.toMillis(LOG_INTERVAL_SEC));
+ }
+ }
+
+ /**
+ * Same as above with usePresentationTimeStamp set to false.
+ *
+ * @see #init(EglBase.Context, int[], RendererCommon.GlDrawer, boolean)
+ */
+ public void init(@Nullable final EglBase.Context sharedContext, final int[] configAttributes,
+ RendererCommon.GlDrawer drawer) {
+ init(sharedContext, configAttributes, drawer, /* usePresentationTimeStamp= */ false);
+ }
+
+ public void createEglSurface(Surface surface) {
+ createEglSurfaceInternal(surface);
+ }
+
+ public void createEglSurface(SurfaceTexture surfaceTexture) {
+ createEglSurfaceInternal(surfaceTexture);
+ }
+
+ private void createEglSurfaceInternal(Object surface) {
+ eglSurfaceCreationRunnable.setSurface(surface);
+ postToRenderThread(eglSurfaceCreationRunnable);
+ }
+
+ /**
+ * Block until any pending frame is returned and all GL resources released, even if an interrupt
+ * occurs. If an interrupt occurs during release(), the interrupt flag will be set. This function
+ * should be called before the Activity is destroyed and the EGLContext is still valid. If you
+ * don't call this function, the GL resources might leak.
+ */
+ public void release() {
+ logD("Releasing.");
+ final CountDownLatch eglCleanupBarrier = new CountDownLatch(1);
+ synchronized (handlerLock) {
+ if (renderThreadHandler == null) {
+ logD("Already released");
+ return;
+ }
+ renderThreadHandler.removeCallbacks(logStatisticsRunnable);
+ // Release EGL and GL resources on render thread.
+ renderThreadHandler.postAtFrontOfQueue(() -> {
+ // Detach current shader program.
+ synchronized (EglBase.lock) {
+ GLES20.glUseProgram(/* program= */ 0);
+ }
+ if (drawer != null) {
+ drawer.release();
+ drawer = null;
+ }
+ frameDrawer.release();
+ bitmapTextureFramebuffer.release();
+ if (eglBase != null) {
+ logD("eglBase detach and release.");
+ eglBase.detachCurrent();
+ eglBase.release();
+ eglBase = null;
+ }
+ frameListeners.clear();
+ eglCleanupBarrier.countDown();
+ });
+ final Looper renderLooper = renderThreadHandler.getLooper();
+ // TODO(magjed): Replace this post() with renderLooper.quitSafely() when API support >= 18.
+ renderThreadHandler.post(() -> {
+ logD("Quitting render thread.");
+ renderLooper.quit();
+ });
+ // Don't accept any more frames or messages to the render thread.
+ renderThreadHandler = null;
+ }
+ // Make sure the EGL/GL cleanup posted above is executed.
+ ThreadUtils.awaitUninterruptibly(eglCleanupBarrier);
+ synchronized (frameLock) {
+ if (pendingFrame != null) {
+ pendingFrame.release();
+ pendingFrame = null;
+ }
+ }
+ logD("Releasing done.");
+ }
+
+ /**
+ * Reset the statistics logged in logStatistics().
+ */
+ private void resetStatistics(long currentTimeNs) {
+ synchronized (statisticsLock) {
+ statisticsStartTimeNs = currentTimeNs;
+ framesReceived = 0;
+ framesDropped = 0;
+ framesRendered = 0;
+ renderTimeNs = 0;
+ renderSwapBufferTimeNs = 0;
+ }
+ }
+
+ public void printStackTrace() {
+ synchronized (handlerLock) {
+ final Thread renderThread =
+ (renderThreadHandler == null) ? null : renderThreadHandler.getLooper().getThread();
+ if (renderThread != null) {
+ final StackTraceElement[] renderStackTrace = renderThread.getStackTrace();
+ if (renderStackTrace.length > 0) {
+ logW("EglRenderer stack trace:");
+ for (StackTraceElement traceElem : renderStackTrace) {
+ logW(traceElem.toString());
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Set if the video stream should be mirrored horizontally or not.
+ */
+ public void setMirror(final boolean mirror) {
+ logD("setMirrorHorizontally: " + mirror);
+ synchronized (layoutLock) {
+ this.mirrorHorizontally = mirror;
+ }
+ }
+
+ /**
+ * Set if the video stream should be mirrored vertically or not.
+ */
+ public void setMirrorVertically(final boolean mirrorVertically) {
+ logD("setMirrorVertically: " + mirrorVertically);
+ synchronized (layoutLock) {
+ this.mirrorVertically = mirrorVertically;
+ }
+ }
+
+ /**
+ * Set layout aspect ratio. This is used to crop frames when rendering to avoid stretched video.
+ * Set this to 0 to disable cropping.
+ */
+ public void setLayoutAspectRatio(float layoutAspectRatio) {
+ logD("setLayoutAspectRatio: " + layoutAspectRatio);
+ synchronized (layoutLock) {
+ this.layoutAspectRatio = layoutAspectRatio;
+ }
+ }
+
+ /**
+ * Limit render framerate.
+ *
+ * @param fps Limit render framerate to this value, or use Float.POSITIVE_INFINITY to disable fps
+ * reduction.
+ */
+ public void setFpsReduction(float fps) {
+ logD("setFpsReduction: " + fps);
+ synchronized (fpsReductionLock) {
+ final long previousRenderPeriodNs = minRenderPeriodNs;
+ if (fps <= 0) {
+ minRenderPeriodNs = Long.MAX_VALUE;
+ } else {
+ minRenderPeriodNs = (long) (TimeUnit.SECONDS.toNanos(1) / fps);
+ }
+ if (minRenderPeriodNs != previousRenderPeriodNs) {
+ // Fps reduction changed - reset frame time.
+ nextFrameTimeNs = System.nanoTime();
+ }
+ }
+ }
+
+ public void disableFpsReduction() {
+ setFpsReduction(Float.POSITIVE_INFINITY /* fps */);
+ }
+
+ public void pauseVideo() {
+ setFpsReduction(0 /* fps */);
+ }
+
+ /**
+ * Register a callback to be invoked when a new video frame has been received. This version uses
+ * the drawer of the EglRenderer that was passed in init.
+ *
+ * @param listener The callback to be invoked. The callback will be invoked on the render thread.
+ * It should be lightweight and must not call removeFrameListener.
+ * @param scale The scale of the Bitmap passed to the callback, or 0 if no Bitmap is
+ * required.
+ */
+ public void addFrameListener(final FrameListener listener, final float scale) {
+ addFrameListener(listener, scale, null, false /* applyFpsReduction */);
+ }
+
+ /**
+ * Register a callback to be invoked when a new video frame has been received.
+ *
+ * @param listener The callback to be invoked. The callback will be invoked on the render thread.
+ * It should be lightweight and must not call removeFrameListener.
+ * @param scale The scale of the Bitmap passed to the callback, or 0 if no Bitmap is
+ * required.
+ * @param drawer Custom drawer to use for this frame listener or null to use the default one.
+ */
+ public void addFrameListener(
+ final FrameListener listener, final float scale, final RendererCommon.GlDrawer drawerParam) {
+ addFrameListener(listener, scale, drawerParam, false /* applyFpsReduction */);
+ }
+
+ /**
+ * Register a callback to be invoked when a new video frame has been received.
+ *
+ * @param listener The callback to be invoked. The callback will be invoked on the render thread.
+ * It should be lightweight and must not call removeFrameListener.
+ * @param scale The scale of the Bitmap passed to the callback, or 0 if no Bitmap is
+ * required.
+ * @param drawer Custom drawer to use for this frame listener or null to use the default one.
+ * @param applyFpsReduction This callback will not be called for frames that have been dropped by
+ * FPS reduction.
+ */
+ public void addFrameListener(final FrameListener listener, final float scale,
+ @Nullable final RendererCommon.GlDrawer drawerParam, final boolean applyFpsReduction) {
+ postToRenderThread(() -> {
+ final RendererCommon.GlDrawer listenerDrawer = drawerParam == null ? drawer : drawerParam;
+ frameListeners.add(
+ new FrameListenerAndParams(listener, scale, listenerDrawer, applyFpsReduction));
+ });
+ }
+
+ /**
+ * Remove any pending callback that was added with addFrameListener. If the callback is not in
+ * the queue, nothing happens. It is ensured that callback won't be called after this method
+ * returns.
+ *
+ * @param runnable The callback to remove.
+ */
+ public void removeFrameListener(final FrameListener listener) {
+ final CountDownLatch latch = new CountDownLatch(1);
+ synchronized (handlerLock) {
+ if (renderThreadHandler == null) {
+ return;
+ }
+ if (Thread.currentThread() == renderThreadHandler.getLooper().getThread()) {
+ throw new RuntimeException("removeFrameListener must not be called on the render thread.");
+ }
+ postToRenderThread(() -> {
+ latch.countDown();
+ final Iterator<FrameListenerAndParams> iter = frameListeners.iterator();
+ while (iter.hasNext()) {
+ if (iter.next().listener == listener) {
+ iter.remove();
+ }
+ }
+ });
+ }
+ ThreadUtils.awaitUninterruptibly(latch);
+ }
+
+ /** Can be set in order to be notified about errors encountered during rendering. */
+ public void setErrorCallback(ErrorCallback errorCallback) {
+ this.errorCallback = errorCallback;
+ }
+
+ // VideoSink interface.
+ @Override
+ public void onFrame(VideoFrame frame) {
+ synchronized (statisticsLock) {
+ ++framesReceived;
+ }
+ final boolean dropOldFrame;
+ synchronized (handlerLock) {
+ if (renderThreadHandler == null) {
+ logD("Dropping frame - Not initialized or already released.");
+ return;
+ }
+ synchronized (frameLock) {
+ dropOldFrame = (pendingFrame != null);
+ if (dropOldFrame) {
+ pendingFrame.release();
+ }
+ pendingFrame = frame;
+ pendingFrame.retain();
+ renderThreadHandler.post(this ::renderFrameOnRenderThread);
+ }
+ }
+ if (dropOldFrame) {
+ synchronized (statisticsLock) {
+ ++framesDropped;
+ }
+ }
+ }
+
+ /**
+ * Release EGL surface. This function will block until the EGL surface is released.
+ */
+ public void releaseEglSurface(final Runnable completionCallback) {
+ // Ensure that the render thread is no longer touching the Surface before returning from this
+ // function.
+ eglSurfaceCreationRunnable.setSurface(null /* surface */);
+ synchronized (handlerLock) {
+ if (renderThreadHandler != null) {
+ renderThreadHandler.removeCallbacks(eglSurfaceCreationRunnable);
+ renderThreadHandler.postAtFrontOfQueue(() -> {
+ if (eglBase != null) {
+ eglBase.detachCurrent();
+ eglBase.releaseSurface();
+ }
+ completionCallback.run();
+ });
+ return;
+ }
+ }
+ completionCallback.run();
+ }
+
+ /**
+ * Private helper function to post tasks safely.
+ */
+ private void postToRenderThread(Runnable runnable) {
+ synchronized (handlerLock) {
+ if (renderThreadHandler != null) {
+ renderThreadHandler.post(runnable);
+ }
+ }
+ }
+
+ private void clearSurfaceOnRenderThread(float r, float g, float b, float a) {
+ if (eglBase != null && eglBase.hasSurface()) {
+ logD("clearSurface");
+ GLES20.glClearColor(r, g, b, a);
+ GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
+ eglBase.swapBuffers();
+ }
+ }
+
+ /**
+ * Post a task to clear the surface to a transparent uniform color.
+ */
+ public void clearImage() {
+ clearImage(0 /* red */, 0 /* green */, 0 /* blue */, 0 /* alpha */);
+ }
+
+ /**
+ * Post a task to clear the surface to a specific color.
+ */
+ public void clearImage(final float r, final float g, final float b, final float a) {
+ synchronized (handlerLock) {
+ if (renderThreadHandler == null) {
+ return;
+ }
+ renderThreadHandler.postAtFrontOfQueue(() -> clearSurfaceOnRenderThread(r, g, b, a));
+ }
+ }
+
+ /**
+ * Renders and releases `pendingFrame`.
+ */
+ private void renderFrameOnRenderThread() {
+ // Fetch and render `pendingFrame`.
+ final VideoFrame frame;
+ synchronized (frameLock) {
+ if (pendingFrame == null) {
+ return;
+ }
+ frame = pendingFrame;
+ pendingFrame = null;
+ }
+ if (eglBase == null || !eglBase.hasSurface()) {
+ logD("Dropping frame - No surface");
+ frame.release();
+ return;
+ }
+ // Check if fps reduction is active.
+ final boolean shouldRenderFrame;
+ synchronized (fpsReductionLock) {
+ if (minRenderPeriodNs == Long.MAX_VALUE) {
+ // Rendering is paused.
+ shouldRenderFrame = false;
+ } else if (minRenderPeriodNs <= 0) {
+ // FPS reduction is disabled.
+ shouldRenderFrame = true;
+ } else {
+ final long currentTimeNs = System.nanoTime();
+ if (currentTimeNs < nextFrameTimeNs) {
+ logD("Skipping frame rendering - fps reduction is active.");
+ shouldRenderFrame = false;
+ } else {
+ nextFrameTimeNs += minRenderPeriodNs;
+ // The time for the next frame should always be in the future.
+ nextFrameTimeNs = Math.max(nextFrameTimeNs, currentTimeNs);
+ shouldRenderFrame = true;
+ }
+ }
+ }
+
+ final long startTimeNs = System.nanoTime();
+
+ final float frameAspectRatio = frame.getRotatedWidth() / (float) frame.getRotatedHeight();
+ final float drawnAspectRatio;
+ synchronized (layoutLock) {
+ drawnAspectRatio = layoutAspectRatio != 0f ? layoutAspectRatio : frameAspectRatio;
+ }
+
+ final float scaleX;
+ final float scaleY;
+
+ if (frameAspectRatio > drawnAspectRatio) {
+ scaleX = drawnAspectRatio / frameAspectRatio;
+ scaleY = 1f;
+ } else {
+ scaleX = 1f;
+ scaleY = frameAspectRatio / drawnAspectRatio;
+ }
+
+ drawMatrix.reset();
+ drawMatrix.preTranslate(0.5f, 0.5f);
+ drawMatrix.preScale(mirrorHorizontally ? -1f : 1f, mirrorVertically ? -1f : 1f);
+ drawMatrix.preScale(scaleX, scaleY);
+ drawMatrix.preTranslate(-0.5f, -0.5f);
+
+ try {
+ if (shouldRenderFrame) {
+ GLES20.glClearColor(0 /* red */, 0 /* green */, 0 /* blue */, 0 /* alpha */);
+ GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
+ frameDrawer.drawFrame(frame, drawer, drawMatrix, 0 /* viewportX */, 0 /* viewportY */,
+ eglBase.surfaceWidth(), eglBase.surfaceHeight());
+
+ final long swapBuffersStartTimeNs = System.nanoTime();
+ if (usePresentationTimeStamp) {
+ eglBase.swapBuffers(frame.getTimestampNs());
+ } else {
+ eglBase.swapBuffers();
+ }
+
+ final long currentTimeNs = System.nanoTime();
+ synchronized (statisticsLock) {
+ ++framesRendered;
+ renderTimeNs += (currentTimeNs - startTimeNs);
+ renderSwapBufferTimeNs += (currentTimeNs - swapBuffersStartTimeNs);
+ }
+ }
+
+ notifyCallbacks(frame, shouldRenderFrame);
+ } catch (GlUtil.GlOutOfMemoryException e) {
+ logE("Error while drawing frame", e);
+ final ErrorCallback errorCallback = this.errorCallback;
+ if (errorCallback != null) {
+ errorCallback.onGlOutOfMemory();
+ }
+ // Attempt to free up some resources.
+ drawer.release();
+ frameDrawer.release();
+ bitmapTextureFramebuffer.release();
+ // Continue here on purpose and retry again for next frame. In worst case, this is a continous
+ // problem and no more frames will be drawn.
+ } finally {
+ frame.release();
+ }
+ }
+
+ private void notifyCallbacks(VideoFrame frame, boolean wasRendered) {
+ if (frameListeners.isEmpty())
+ return;
+
+ drawMatrix.reset();
+ drawMatrix.preTranslate(0.5f, 0.5f);
+ drawMatrix.preScale(mirrorHorizontally ? -1f : 1f, mirrorVertically ? -1f : 1f);
+ drawMatrix.preScale(1f, -1f); // We want the output to be upside down for Bitmap.
+ drawMatrix.preTranslate(-0.5f, -0.5f);
+
+ Iterator<FrameListenerAndParams> it = frameListeners.iterator();
+ while (it.hasNext()) {
+ FrameListenerAndParams listenerAndParams = it.next();
+ if (!wasRendered && listenerAndParams.applyFpsReduction) {
+ continue;
+ }
+ it.remove();
+
+ final int scaledWidth = (int) (listenerAndParams.scale * frame.getRotatedWidth());
+ final int scaledHeight = (int) (listenerAndParams.scale * frame.getRotatedHeight());
+
+ if (scaledWidth == 0 || scaledHeight == 0) {
+ listenerAndParams.listener.onFrame(null);
+ continue;
+ }
+
+ bitmapTextureFramebuffer.setSize(scaledWidth, scaledHeight);
+
+ GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, bitmapTextureFramebuffer.getFrameBufferId());
+ GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
+ GLES20.GL_TEXTURE_2D, bitmapTextureFramebuffer.getTextureId(), 0);
+
+ GLES20.glClearColor(0 /* red */, 0 /* green */, 0 /* blue */, 0 /* alpha */);
+ GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
+ frameDrawer.drawFrame(frame, listenerAndParams.drawer, drawMatrix, 0 /* viewportX */,
+ 0 /* viewportY */, scaledWidth, scaledHeight);
+
+ final ByteBuffer bitmapBuffer = ByteBuffer.allocateDirect(scaledWidth * scaledHeight * 4);
+ GLES20.glViewport(0, 0, scaledWidth, scaledHeight);
+ GLES20.glReadPixels(
+ 0, 0, scaledWidth, scaledHeight, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, bitmapBuffer);
+
+ GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
+ GlUtil.checkNoGLES2Error("EglRenderer.notifyCallbacks");
+
+ final Bitmap bitmap = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
+ bitmap.copyPixelsFromBuffer(bitmapBuffer);
+ listenerAndParams.listener.onFrame(bitmap);
+ }
+ }
+
+ private String averageTimeAsString(long sumTimeNs, int count) {
+ return (count <= 0) ? "NA" : TimeUnit.NANOSECONDS.toMicros(sumTimeNs / count) + " us";
+ }
+
+ private void logStatistics() {
+ final DecimalFormat fpsFormat = new DecimalFormat("#.0");
+ final long currentTimeNs = System.nanoTime();
+ synchronized (statisticsLock) {
+ final long elapsedTimeNs = currentTimeNs - statisticsStartTimeNs;
+ if (elapsedTimeNs <= 0 || (minRenderPeriodNs == Long.MAX_VALUE && framesReceived == 0)) {
+ return;
+ }
+ final float renderFps = framesRendered * TimeUnit.SECONDS.toNanos(1) / (float) elapsedTimeNs;
+ logD("Duration: " + TimeUnit.NANOSECONDS.toMillis(elapsedTimeNs) + " ms."
+ + " Frames received: " + framesReceived + "."
+ + " Dropped: " + framesDropped + "."
+ + " Rendered: " + framesRendered + "."
+ + " Render fps: " + fpsFormat.format(renderFps) + "."
+ + " Average render time: " + averageTimeAsString(renderTimeNs, framesRendered) + "."
+ + " Average swapBuffer time: "
+ + averageTimeAsString(renderSwapBufferTimeNs, framesRendered) + ".");
+ resetStatistics(currentTimeNs);
+ }
+ }
+
+ private void logE(String string, Throwable e) {
+ Logging.e(TAG, name + string, e);
+ }
+
+ private void logD(String string) {
+ Logging.d(TAG, name + string);
+ }
+
+ private void logW(String string) {
+ Logging.w(TAG, name + string);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/EncodedImage.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/EncodedImage.java
new file mode 100644
index 0000000000..a6eef67da8
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/EncodedImage.java
@@ -0,0 +1,183 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+import java.nio.ByteBuffer;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * An encoded frame from a video stream. Used as an input for decoders and as an output for
+ * encoders.
+ */
+public class EncodedImage implements RefCounted {
+ // Must be kept in sync with common_types.h FrameType.
+ public enum FrameType {
+ EmptyFrame(0),
+ VideoFrameKey(3),
+ VideoFrameDelta(4);
+
+ private final int nativeIndex;
+
+ private FrameType(int nativeIndex) {
+ this.nativeIndex = nativeIndex;
+ }
+
+ public int getNative() {
+ return nativeIndex;
+ }
+
+ @CalledByNative("FrameType")
+ static FrameType fromNativeIndex(int nativeIndex) {
+ for (FrameType type : FrameType.values()) {
+ if (type.getNative() == nativeIndex) {
+ return type;
+ }
+ }
+ throw new IllegalArgumentException("Unknown native frame type: " + nativeIndex);
+ }
+ }
+
+ private final RefCountDelegate refCountDelegate;
+ public final ByteBuffer buffer;
+ public final int encodedWidth;
+ public final int encodedHeight;
+ public final long captureTimeMs; // Deprecated
+ public final long captureTimeNs;
+ public final FrameType frameType;
+ public final int rotation;
+ public final @Nullable Integer qp;
+
+ // TODO(bugs.webrtc.org/9378): Use retain and release from jni code.
+ @Override
+ public void retain() {
+ refCountDelegate.retain();
+ }
+
+ @Override
+ public void release() {
+ refCountDelegate.release();
+ }
+
+ @CalledByNative
+ private EncodedImage(ByteBuffer buffer, @Nullable Runnable releaseCallback, int encodedWidth,
+ int encodedHeight, long captureTimeNs, FrameType frameType, int rotation,
+ @Nullable Integer qp) {
+ this.buffer = buffer;
+ this.encodedWidth = encodedWidth;
+ this.encodedHeight = encodedHeight;
+ this.captureTimeMs = TimeUnit.NANOSECONDS.toMillis(captureTimeNs);
+ this.captureTimeNs = captureTimeNs;
+ this.frameType = frameType;
+ this.rotation = rotation;
+ this.qp = qp;
+ this.refCountDelegate = new RefCountDelegate(releaseCallback);
+ }
+
+ @CalledByNative
+ private ByteBuffer getBuffer() {
+ return buffer;
+ }
+
+ @CalledByNative
+ private int getEncodedWidth() {
+ return encodedWidth;
+ }
+
+ @CalledByNative
+ private int getEncodedHeight() {
+ return encodedHeight;
+ }
+
+ @CalledByNative
+ private long getCaptureTimeNs() {
+ return captureTimeNs;
+ }
+
+ @CalledByNative
+ private int getFrameType() {
+ return frameType.getNative();
+ }
+
+ @CalledByNative
+ private int getRotation() {
+ return rotation;
+ }
+
+ @CalledByNative
+ private @Nullable Integer getQp() {
+ return qp;
+ }
+
+ public static Builder builder() {
+ return new Builder();
+ }
+
+ public static class Builder {
+ private ByteBuffer buffer;
+ private @Nullable Runnable releaseCallback;
+ private int encodedWidth;
+ private int encodedHeight;
+ private long captureTimeNs;
+ private EncodedImage.FrameType frameType;
+ private int rotation;
+ private @Nullable Integer qp;
+
+ private Builder() {}
+
+ public Builder setBuffer(ByteBuffer buffer, @Nullable Runnable releaseCallback) {
+ this.buffer = buffer;
+ this.releaseCallback = releaseCallback;
+ return this;
+ }
+
+ public Builder setEncodedWidth(int encodedWidth) {
+ this.encodedWidth = encodedWidth;
+ return this;
+ }
+
+ public Builder setEncodedHeight(int encodedHeight) {
+ this.encodedHeight = encodedHeight;
+ return this;
+ }
+
+ @Deprecated
+ public Builder setCaptureTimeMs(long captureTimeMs) {
+ this.captureTimeNs = TimeUnit.MILLISECONDS.toNanos(captureTimeMs);
+ return this;
+ }
+
+ public Builder setCaptureTimeNs(long captureTimeNs) {
+ this.captureTimeNs = captureTimeNs;
+ return this;
+ }
+
+ public Builder setFrameType(EncodedImage.FrameType frameType) {
+ this.frameType = frameType;
+ return this;
+ }
+
+ public Builder setRotation(int rotation) {
+ this.rotation = rotation;
+ return this;
+ }
+
+ public Builder setQp(@Nullable Integer qp) {
+ this.qp = qp;
+ return this;
+ }
+
+ public EncodedImage createEncodedImage() {
+ return new EncodedImage(buffer, releaseCallback, encodedWidth, encodedHeight, captureTimeNs,
+ frameType, rotation, qp);
+ }
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/FecControllerFactoryFactoryInterface.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/FecControllerFactoryFactoryInterface.java
new file mode 100644
index 0000000000..6d39390f72
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/FecControllerFactoryFactoryInterface.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Factory for creating webrtc::FecControllerFactory instances.
+ */
+public interface FecControllerFactoryFactoryInterface {
+ /**
+ * Dynamically allocates a webrtc::FecControllerFactory instance and returns a pointer to it.
+ * The caller takes ownership of the object.
+ */
+ public long createNative();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/FileVideoCapturer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/FileVideoCapturer.java
new file mode 100644
index 0000000000..8270367970
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/FileVideoCapturer.java
@@ -0,0 +1,201 @@
+/*
+ * Copyright 2016 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.content.Context;
+import android.os.SystemClock;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.nio.charset.Charset;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.concurrent.TimeUnit;
+
+public class FileVideoCapturer implements VideoCapturer {
+ private interface VideoReader {
+ VideoFrame getNextFrame();
+ void close();
+ }
+
+ /**
+ * Read video data from file for the .y4m container.
+ */
+ @SuppressWarnings("StringSplitter")
+ private static class VideoReaderY4M implements VideoReader {
+ private static final String TAG = "VideoReaderY4M";
+ private static final String Y4M_FRAME_DELIMETER = "FRAME";
+ private static final int FRAME_DELIMETER_LENGTH = Y4M_FRAME_DELIMETER.length() + 1;
+
+ private final int frameWidth;
+ private final int frameHeight;
+ // First char after header
+ private final long videoStart;
+ private final RandomAccessFile mediaFile;
+ private final FileChannel mediaFileChannel;
+
+ public VideoReaderY4M(String file) throws IOException {
+ mediaFile = new RandomAccessFile(file, "r");
+ mediaFileChannel = mediaFile.getChannel();
+ StringBuilder builder = new StringBuilder();
+ for (;;) {
+ int c = mediaFile.read();
+ if (c == -1) {
+ // End of file reached.
+ throw new RuntimeException("Found end of file before end of header for file: " + file);
+ }
+ if (c == '\n') {
+ // End of header found.
+ break;
+ }
+ builder.append((char) c);
+ }
+ videoStart = mediaFileChannel.position();
+ String header = builder.toString();
+ String[] headerTokens = header.split("[ ]");
+ int w = 0;
+ int h = 0;
+ String colorSpace = "";
+ for (String tok : headerTokens) {
+ char c = tok.charAt(0);
+ switch (c) {
+ case 'W':
+ w = Integer.parseInt(tok.substring(1));
+ break;
+ case 'H':
+ h = Integer.parseInt(tok.substring(1));
+ break;
+ case 'C':
+ colorSpace = tok.substring(1);
+ break;
+ }
+ }
+ Logging.d(TAG, "Color space: " + colorSpace);
+ if (!colorSpace.equals("420") && !colorSpace.equals("420mpeg2")) {
+ throw new IllegalArgumentException(
+ "Does not support any other color space than I420 or I420mpeg2");
+ }
+ if ((w % 2) == 1 || (h % 2) == 1) {
+ throw new IllegalArgumentException("Does not support odd width or height");
+ }
+ frameWidth = w;
+ frameHeight = h;
+ Logging.d(TAG, "frame dim: (" + w + ", " + h + ")");
+ }
+
+ @Override
+ public VideoFrame getNextFrame() {
+ final long captureTimeNs = TimeUnit.MILLISECONDS.toNanos(SystemClock.elapsedRealtime());
+ final JavaI420Buffer buffer = JavaI420Buffer.allocate(frameWidth, frameHeight);
+ final ByteBuffer dataY = buffer.getDataY();
+ final ByteBuffer dataU = buffer.getDataU();
+ final ByteBuffer dataV = buffer.getDataV();
+ final int chromaHeight = (frameHeight + 1) / 2;
+ final int sizeY = frameHeight * buffer.getStrideY();
+ final int sizeU = chromaHeight * buffer.getStrideU();
+ final int sizeV = chromaHeight * buffer.getStrideV();
+
+ try {
+ ByteBuffer frameDelim = ByteBuffer.allocate(FRAME_DELIMETER_LENGTH);
+ if (mediaFileChannel.read(frameDelim) < FRAME_DELIMETER_LENGTH) {
+ // We reach end of file, loop
+ mediaFileChannel.position(videoStart);
+ if (mediaFileChannel.read(frameDelim) < FRAME_DELIMETER_LENGTH) {
+ throw new RuntimeException("Error looping video");
+ }
+ }
+ String frameDelimStr = new String(frameDelim.array(), Charset.forName("US-ASCII"));
+ if (!frameDelimStr.equals(Y4M_FRAME_DELIMETER + "\n")) {
+ throw new RuntimeException(
+ "Frames should be delimited by FRAME plus newline, found delimter was: '"
+ + frameDelimStr + "'");
+ }
+
+ mediaFileChannel.read(dataY);
+ mediaFileChannel.read(dataU);
+ mediaFileChannel.read(dataV);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+
+ return new VideoFrame(buffer, 0 /* rotation */, captureTimeNs);
+ }
+
+ @Override
+ public void close() {
+ try {
+ // Closing a file also closes the channel.
+ mediaFile.close();
+ } catch (IOException e) {
+ Logging.e(TAG, "Problem closing file", e);
+ }
+ }
+ }
+
+ private final static String TAG = "FileVideoCapturer";
+ private final VideoReader videoReader;
+ private CapturerObserver capturerObserver;
+ private final Timer timer = new Timer();
+
+ private final TimerTask tickTask = new TimerTask() {
+ @Override
+ public void run() {
+ tick();
+ }
+ };
+
+ public FileVideoCapturer(String inputFile) throws IOException {
+ try {
+ videoReader = new VideoReaderY4M(inputFile);
+ } catch (IOException e) {
+ Logging.d(TAG, "Could not open video file: " + inputFile);
+ throw e;
+ }
+ }
+
+ public void tick() {
+ VideoFrame videoFrame = videoReader.getNextFrame();
+ capturerObserver.onFrameCaptured(videoFrame);
+ videoFrame.release();
+ }
+
+ @Override
+ public void initialize(SurfaceTextureHelper surfaceTextureHelper, Context applicationContext,
+ CapturerObserver capturerObserver) {
+ this.capturerObserver = capturerObserver;
+ }
+
+ @Override
+ public void startCapture(int width, int height, int framerate) {
+ timer.schedule(tickTask, 0, 1000 / framerate);
+ }
+
+ @Override
+ public void stopCapture() throws InterruptedException {
+ timer.cancel();
+ }
+
+ @Override
+ public void changeCaptureFormat(int width, int height, int framerate) {
+ // Empty on purpose
+ }
+
+ @Override
+ public void dispose() {
+ videoReader.close();
+ }
+
+ @Override
+ public boolean isScreencast() {
+ return false;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/FrameDecryptor.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/FrameDecryptor.java
new file mode 100644
index 0000000000..2932f3d94a
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/FrameDecryptor.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * The FrameDecryptor interface allows Java API users to provide a
+ * pointer to their native implementation of the FrameDecryptorInterface.
+ * FrameDecryptors are extremely performance sensitive as they must process all
+ * incoming video and audio frames. Due to this reason they should always be
+ * backed by a native implementation
+ * @note Not ready for production use.
+ */
+public interface FrameDecryptor {
+ /**
+ * @return A FrameDecryptorInterface pointer.
+ */
+ long getNativeFrameDecryptor();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/FrameEncryptor.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/FrameEncryptor.java
new file mode 100644
index 0000000000..bc81223f21
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/FrameEncryptor.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * The FrameEncryptor interface allows Java API users to provide a pointer to
+ * their native implementation of the FrameEncryptorInterface.
+ * FrameEncyptors are extremely performance sensitive as they must process all
+ * outgoing video and audio frames. Due to this reason they should always be
+ * backed by a native implementation.
+ * @note Not ready for production use.
+ */
+public interface FrameEncryptor {
+ /**
+ * @return A FrameEncryptorInterface pointer.
+ */
+ long getNativeFrameEncryptor();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/GlRectDrawer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/GlRectDrawer.java
new file mode 100644
index 0000000000..d1fbd1b7bc
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/GlRectDrawer.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Simplest possible GL shader that just draws frames as opaque quads. */
+public class GlRectDrawer extends GlGenericDrawer {
+ private static final String FRAGMENT_SHADER = "void main() {\n"
+ + " gl_FragColor = sample(tc);\n"
+ + "}\n";
+
+ private static class ShaderCallbacks implements GlGenericDrawer.ShaderCallbacks {
+ @Override
+ public void onNewShader(GlShader shader) {}
+
+ @Override
+ public void onPrepareShader(GlShader shader, float[] texMatrix, int frameWidth, int frameHeight,
+ int viewportWidth, int viewportHeight) {}
+ }
+
+ public GlRectDrawer() {
+ super(FRAGMENT_SHADER, new ShaderCallbacks());
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/GlShader.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/GlShader.java
new file mode 100644
index 0000000000..7efd8d3a95
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/GlShader.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.opengl.GLES20;
+
+import java.nio.FloatBuffer;
+
+// Helper class for handling OpenGL shaders and shader programs.
+public class GlShader {
+ private static final String TAG = "GlShader";
+
+ private static int compileShader(int shaderType, String source) {
+ final int shader = GLES20.glCreateShader(shaderType);
+ if (shader == 0) {
+ throw new RuntimeException("glCreateShader() failed. GLES20 error: " + GLES20.glGetError());
+ }
+ GLES20.glShaderSource(shader, source);
+ GLES20.glCompileShader(shader);
+ int[] compileStatus = new int[] {GLES20.GL_FALSE};
+ GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compileStatus, 0);
+ if (compileStatus[0] != GLES20.GL_TRUE) {
+ Logging.e(
+ TAG, "Compile error " + GLES20.glGetShaderInfoLog(shader) + " in shader:\n" + source);
+ throw new RuntimeException(GLES20.glGetShaderInfoLog(shader));
+ }
+ GlUtil.checkNoGLES2Error("compileShader");
+ return shader;
+ }
+
+ private int program;
+
+ public GlShader(String vertexSource, String fragmentSource) {
+ final int vertexShader = compileShader(GLES20.GL_VERTEX_SHADER, vertexSource);
+ final int fragmentShader = compileShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource);
+ program = GLES20.glCreateProgram();
+ if (program == 0) {
+ throw new RuntimeException("glCreateProgram() failed. GLES20 error: " + GLES20.glGetError());
+ }
+ GLES20.glAttachShader(program, vertexShader);
+ GLES20.glAttachShader(program, fragmentShader);
+ GLES20.glLinkProgram(program);
+ int[] linkStatus = new int[] {GLES20.GL_FALSE};
+ GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linkStatus, 0);
+ if (linkStatus[0] != GLES20.GL_TRUE) {
+ Logging.e(TAG, "Could not link program: " + GLES20.glGetProgramInfoLog(program));
+ throw new RuntimeException(GLES20.glGetProgramInfoLog(program));
+ }
+ // According to the documentation of glLinkProgram():
+ // "After the link operation, applications are free to modify attached shader objects, compile
+ // attached shader objects, detach shader objects, delete shader objects, and attach additional
+ // shader objects. None of these operations affects the information log or the program that is
+ // part of the program object."
+ // But in practice, detaching shaders from the program seems to break some devices. Deleting the
+ // shaders are fine however - it will delete them when they are no longer attached to a program.
+ GLES20.glDeleteShader(vertexShader);
+ GLES20.glDeleteShader(fragmentShader);
+ GlUtil.checkNoGLES2Error("Creating GlShader");
+ }
+
+ public int getAttribLocation(String label) {
+ if (program == -1) {
+ throw new RuntimeException("The program has been released");
+ }
+ int location = GLES20.glGetAttribLocation(program, label);
+ if (location < 0) {
+ throw new RuntimeException("Could not locate '" + label + "' in program");
+ }
+ return location;
+ }
+
+ /**
+ * Enable and upload a vertex array for attribute `label`. The vertex data is specified in
+ * `buffer` with `dimension` number of components per vertex.
+ */
+ public void setVertexAttribArray(String label, int dimension, FloatBuffer buffer) {
+ setVertexAttribArray(label, dimension, 0 /* stride */, buffer);
+ }
+
+ /**
+ * Enable and upload a vertex array for attribute `label`. The vertex data is specified in
+ * `buffer` with `dimension` number of components per vertex and specified `stride`.
+ */
+ public void setVertexAttribArray(String label, int dimension, int stride, FloatBuffer buffer) {
+ if (program == -1) {
+ throw new RuntimeException("The program has been released");
+ }
+ int location = getAttribLocation(label);
+ GLES20.glEnableVertexAttribArray(location);
+ GLES20.glVertexAttribPointer(location, dimension, GLES20.GL_FLOAT, false, stride, buffer);
+ GlUtil.checkNoGLES2Error("setVertexAttribArray");
+ }
+
+ public int getUniformLocation(String label) {
+ if (program == -1) {
+ throw new RuntimeException("The program has been released");
+ }
+ int location = GLES20.glGetUniformLocation(program, label);
+ if (location < 0) {
+ throw new RuntimeException("Could not locate uniform '" + label + "' in program");
+ }
+ return location;
+ }
+
+ public void useProgram() {
+ if (program == -1) {
+ throw new RuntimeException("The program has been released");
+ }
+ synchronized (EglBase.lock) {
+ GLES20.glUseProgram(program);
+ }
+ GlUtil.checkNoGLES2Error("glUseProgram");
+ }
+
+ public void release() {
+ Logging.d(TAG, "Deleting shader.");
+ // Delete program, automatically detaching any shaders from it.
+ if (program != -1) {
+ GLES20.glDeleteProgram(program);
+ program = -1;
+ }
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/GlTextureFrameBuffer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/GlTextureFrameBuffer.java
new file mode 100644
index 0000000000..b906fe56e0
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/GlTextureFrameBuffer.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.opengl.GLES20;
+
+/**
+ * Helper class for handling OpenGL framebuffer with only color attachment and no depth or stencil
+ * buffer. Intended for simple tasks such as texture copy, texture downscaling, and texture color
+ * conversion. This class is not thread safe and must be used by a thread with an active GL context.
+ */
+// TODO(magjed): Add unittests for this class.
+public class GlTextureFrameBuffer {
+ private final int pixelFormat;
+ private int frameBufferId;
+ private int textureId;
+ private int width;
+ private int height;
+
+ /**
+ * Generate texture and framebuffer resources. An EGLContext must be bound on the current thread
+ * when calling this function. The framebuffer is not complete until setSize() is called.
+ */
+ public GlTextureFrameBuffer(int pixelFormat) {
+ switch (pixelFormat) {
+ case GLES20.GL_LUMINANCE:
+ case GLES20.GL_RGB:
+ case GLES20.GL_RGBA:
+ this.pixelFormat = pixelFormat;
+ break;
+ default:
+ throw new IllegalArgumentException("Invalid pixel format: " + pixelFormat);
+ }
+ this.width = 0;
+ this.height = 0;
+ }
+
+ /**
+ * (Re)allocate texture. Will do nothing if the requested size equals the current size. An
+ * EGLContext must be bound on the current thread when calling this function. Must be called at
+ * least once before using the framebuffer. May be called multiple times to change size.
+ */
+ public void setSize(int width, int height) {
+ if (width <= 0 || height <= 0) {
+ throw new IllegalArgumentException("Invalid size: " + width + "x" + height);
+ }
+ if (width == this.width && height == this.height) {
+ return;
+ }
+ this.width = width;
+ this.height = height;
+ // Lazy allocation the first time setSize() is called.
+ if (textureId == 0) {
+ textureId = GlUtil.generateTexture(GLES20.GL_TEXTURE_2D);
+ }
+ if (frameBufferId == 0) {
+ final int frameBuffers[] = new int[1];
+ GLES20.glGenFramebuffers(1, frameBuffers, 0);
+ frameBufferId = frameBuffers[0];
+ }
+
+ // Allocate texture.
+ GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
+ GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureId);
+ GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, pixelFormat, width, height, 0, pixelFormat,
+ GLES20.GL_UNSIGNED_BYTE, null);
+ GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
+ GlUtil.checkNoGLES2Error("GlTextureFrameBuffer setSize");
+
+ // Attach the texture to the framebuffer as color attachment.
+ GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBufferId);
+ GLES20.glFramebufferTexture2D(
+ GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, textureId, 0);
+
+ // Check that the framebuffer is in a good state.
+ final int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
+ if (status != GLES20.GL_FRAMEBUFFER_COMPLETE) {
+ throw new IllegalStateException("Framebuffer not complete, status: " + status);
+ }
+
+ GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
+ }
+
+ public int getWidth() {
+ return width;
+ }
+
+ public int getHeight() {
+ return height;
+ }
+
+ /** Gets the OpenGL frame buffer id. This value is only valid after setSize() has been called. */
+ public int getFrameBufferId() {
+ return frameBufferId;
+ }
+
+ /** Gets the OpenGL texture id. This value is only valid after setSize() has been called. */
+ public int getTextureId() {
+ return textureId;
+ }
+
+ /**
+ * Release texture and framebuffer. An EGLContext must be bound on the current thread when calling
+ * this function. This object should not be used after this call.
+ */
+ public void release() {
+ GLES20.glDeleteTextures(1, new int[] {textureId}, 0);
+ textureId = 0;
+ GLES20.glDeleteFramebuffers(1, new int[] {frameBufferId}, 0);
+ frameBufferId = 0;
+ width = 0;
+ height = 0;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/GlUtil.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/GlUtil.java
new file mode 100644
index 0000000000..e2dd0c56d6
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/GlUtil.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.opengl.GLES20;
+import android.opengl.GLException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
+
+/**
+ * Some OpenGL static utility functions.
+ */
+public class GlUtil {
+ private GlUtil() {}
+
+ public static class GlOutOfMemoryException extends GLException {
+ public GlOutOfMemoryException(int error, String msg) {
+ super(error, msg);
+ }
+ }
+
+ // Assert that no OpenGL ES 2.0 error has been raised.
+ public static void checkNoGLES2Error(String msg) {
+ int error = GLES20.glGetError();
+ if (error != GLES20.GL_NO_ERROR) {
+ throw error == GLES20.GL_OUT_OF_MEMORY
+ ? new GlOutOfMemoryException(error, msg)
+ : new GLException(error, msg + ": GLES20 error: " + error);
+ }
+ }
+
+ public static FloatBuffer createFloatBuffer(float[] coords) {
+ // Allocate a direct ByteBuffer, using 4 bytes per float, and copy coords into it.
+ ByteBuffer bb = ByteBuffer.allocateDirect(coords.length * 4);
+ bb.order(ByteOrder.nativeOrder());
+ FloatBuffer fb = bb.asFloatBuffer();
+ fb.put(coords);
+ fb.position(0);
+ return fb;
+ }
+
+ /**
+ * Generate texture with standard parameters.
+ */
+ public static int generateTexture(int target) {
+ final int textureArray[] = new int[1];
+ GLES20.glGenTextures(1, textureArray, 0);
+ final int textureId = textureArray[0];
+ GLES20.glBindTexture(target, textureId);
+ GLES20.glTexParameterf(target, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
+ GLES20.glTexParameterf(target, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
+ GLES20.glTexParameterf(target, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
+ GLES20.glTexParameterf(target, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
+ checkNoGLES2Error("generateTexture");
+ return textureId;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/HardwareVideoDecoderFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/HardwareVideoDecoderFactory.java
new file mode 100644
index 0000000000..215598a85d
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/HardwareVideoDecoderFactory.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.media.MediaCodecInfo;
+import androidx.annotation.Nullable;
+import java.util.Arrays;
+
+/** Factory for Android hardware VideoDecoders. */
+public class HardwareVideoDecoderFactory extends MediaCodecVideoDecoderFactory {
+ private final static Predicate<MediaCodecInfo> defaultAllowedPredicate =
+ new Predicate<MediaCodecInfo>() {
+ @Override
+ public boolean test(MediaCodecInfo arg) {
+ return MediaCodecUtils.isHardwareAccelerated(arg);
+ }
+ };
+
+ /** Creates a HardwareVideoDecoderFactory that does not use surface textures. */
+ @Deprecated // Not removed yet to avoid breaking callers.
+ public HardwareVideoDecoderFactory() {
+ this(null);
+ }
+
+ /**
+ * Creates a HardwareVideoDecoderFactory that supports surface texture rendering.
+ *
+ * @param sharedContext The textures generated will be accessible from this context. May be null,
+ * this disables texture support.
+ */
+ public HardwareVideoDecoderFactory(@Nullable EglBase.Context sharedContext) {
+ this(sharedContext, /* codecAllowedPredicate= */ null);
+ }
+
+ /**
+ * Creates a HardwareVideoDecoderFactory that supports surface texture rendering.
+ *
+ * @param sharedContext The textures generated will be accessible from this context. May be null,
+ * this disables texture support.
+ * @param codecAllowedPredicate predicate to filter codecs. It is combined with the default
+ * predicate that only allows hardware codecs.
+ */
+ public HardwareVideoDecoderFactory(@Nullable EglBase.Context sharedContext,
+ @Nullable Predicate<MediaCodecInfo> codecAllowedPredicate) {
+ super(sharedContext,
+ (codecAllowedPredicate == null ? defaultAllowedPredicate
+ : codecAllowedPredicate.and(defaultAllowedPredicate)));
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/IceCandidateErrorEvent.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/IceCandidateErrorEvent.java
new file mode 100644
index 0000000000..aae9da7061
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/IceCandidateErrorEvent.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public final class IceCandidateErrorEvent {
+ /** The local IP address used to communicate with the STUN or TURN server. */
+ public final String address;
+ /** The port used to communicate with the STUN or TURN server. */
+ public final int port;
+ /**
+ * The STUN or TURN URL that identifies the STUN or TURN server for which the failure occurred.
+ */
+ public final String url;
+ /**
+ * The numeric STUN error code returned by the STUN or TURN server. If no host candidate can reach
+ * the server, errorCode will be set to the value 701 which is outside the STUN error code range.
+ * This error is only fired once per server URL while in the RTCIceGatheringState of "gathering".
+ */
+ public final int errorCode;
+ /**
+ * The STUN reason text returned by the STUN or TURN server. If the server could not be reached,
+ * errorText will be set to an implementation-specific value providing details about the error.
+ */
+ public final String errorText;
+
+ @CalledByNative
+ public IceCandidateErrorEvent(
+ String address, int port, String url, int errorCode, String errorText) {
+ this.address = address;
+ this.port = port;
+ this.url = url;
+ this.errorCode = errorCode;
+ this.errorText = errorText;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/JavaI420Buffer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/JavaI420Buffer.java
new file mode 100644
index 0000000000..322b8f38c9
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/JavaI420Buffer.java
@@ -0,0 +1,200 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+import java.nio.ByteBuffer;
+import org.webrtc.VideoFrame.I420Buffer;
+
+/** Implementation of VideoFrame.I420Buffer backed by Java direct byte buffers. */
+public class JavaI420Buffer implements VideoFrame.I420Buffer {
+ private final int width;
+ private final int height;
+ private final ByteBuffer dataY;
+ private final ByteBuffer dataU;
+ private final ByteBuffer dataV;
+ private final int strideY;
+ private final int strideU;
+ private final int strideV;
+ private final RefCountDelegate refCountDelegate;
+
+ private JavaI420Buffer(int width, int height, ByteBuffer dataY, int strideY, ByteBuffer dataU,
+ int strideU, ByteBuffer dataV, int strideV, @Nullable Runnable releaseCallback) {
+ this.width = width;
+ this.height = height;
+ this.dataY = dataY;
+ this.dataU = dataU;
+ this.dataV = dataV;
+ this.strideY = strideY;
+ this.strideU = strideU;
+ this.strideV = strideV;
+ this.refCountDelegate = new RefCountDelegate(releaseCallback);
+ }
+
+ private static void checkCapacity(ByteBuffer data, int width, int height, int stride) {
+ // The last row does not necessarily need padding.
+ final int minCapacity = stride * (height - 1) + width;
+ if (data.capacity() < minCapacity) {
+ throw new IllegalArgumentException(
+ "Buffer must be at least " + minCapacity + " bytes, but was " + data.capacity());
+ }
+ }
+
+ /** Wraps existing ByteBuffers into JavaI420Buffer object without copying the contents. */
+ public static JavaI420Buffer wrap(int width, int height, ByteBuffer dataY, int strideY,
+ ByteBuffer dataU, int strideU, ByteBuffer dataV, int strideV,
+ @Nullable Runnable releaseCallback) {
+ if (dataY == null || dataU == null || dataV == null) {
+ throw new IllegalArgumentException("Data buffers cannot be null.");
+ }
+ if (!dataY.isDirect() || !dataU.isDirect() || !dataV.isDirect()) {
+ throw new IllegalArgumentException("Data buffers must be direct byte buffers.");
+ }
+
+ // Slice the buffers to prevent external modifications to the position / limit of the buffer.
+ // Note that this doesn't protect the contents of the buffers from modifications.
+ dataY = dataY.slice();
+ dataU = dataU.slice();
+ dataV = dataV.slice();
+
+ final int chromaWidth = (width + 1) / 2;
+ final int chromaHeight = (height + 1) / 2;
+ checkCapacity(dataY, width, height, strideY);
+ checkCapacity(dataU, chromaWidth, chromaHeight, strideU);
+ checkCapacity(dataV, chromaWidth, chromaHeight, strideV);
+
+ return new JavaI420Buffer(
+ width, height, dataY, strideY, dataU, strideU, dataV, strideV, releaseCallback);
+ }
+
+ /** Allocates an empty I420Buffer suitable for an image of the given dimensions. */
+ public static JavaI420Buffer allocate(int width, int height) {
+ int chromaHeight = (height + 1) / 2;
+ int strideUV = (width + 1) / 2;
+ int yPos = 0;
+ int uPos = yPos + width * height;
+ int vPos = uPos + strideUV * chromaHeight;
+
+ ByteBuffer buffer =
+ JniCommon.nativeAllocateByteBuffer(width * height + 2 * strideUV * chromaHeight);
+
+ buffer.position(yPos);
+ buffer.limit(uPos);
+ ByteBuffer dataY = buffer.slice();
+
+ buffer.position(uPos);
+ buffer.limit(vPos);
+ ByteBuffer dataU = buffer.slice();
+
+ buffer.position(vPos);
+ buffer.limit(vPos + strideUV * chromaHeight);
+ ByteBuffer dataV = buffer.slice();
+
+ return new JavaI420Buffer(width, height, dataY, width, dataU, strideUV, dataV, strideUV,
+ () -> { JniCommon.nativeFreeByteBuffer(buffer); });
+ }
+
+ @Override
+ public int getWidth() {
+ return width;
+ }
+
+ @Override
+ public int getHeight() {
+ return height;
+ }
+
+ @Override
+ public ByteBuffer getDataY() {
+ // Return a slice to prevent relative reads from changing the position.
+ return dataY.slice();
+ }
+
+ @Override
+ public ByteBuffer getDataU() {
+ // Return a slice to prevent relative reads from changing the position.
+ return dataU.slice();
+ }
+
+ @Override
+ public ByteBuffer getDataV() {
+ // Return a slice to prevent relative reads from changing the position.
+ return dataV.slice();
+ }
+
+ @Override
+ public int getStrideY() {
+ return strideY;
+ }
+
+ @Override
+ public int getStrideU() {
+ return strideU;
+ }
+
+ @Override
+ public int getStrideV() {
+ return strideV;
+ }
+
+ @Override
+ public I420Buffer toI420() {
+ retain();
+ return this;
+ }
+
+ @Override
+ public void retain() {
+ refCountDelegate.retain();
+ }
+
+ @Override
+ public void release() {
+ refCountDelegate.release();
+ }
+
+ @Override
+ public VideoFrame.Buffer cropAndScale(
+ int cropX, int cropY, int cropWidth, int cropHeight, int scaleWidth, int scaleHeight) {
+ return cropAndScaleI420(this, cropX, cropY, cropWidth, cropHeight, scaleWidth, scaleHeight);
+ }
+
+ public static VideoFrame.Buffer cropAndScaleI420(final I420Buffer buffer, int cropX, int cropY,
+ int cropWidth, int cropHeight, int scaleWidth, int scaleHeight) {
+ if (cropWidth == scaleWidth && cropHeight == scaleHeight) {
+ // No scaling.
+ ByteBuffer dataY = buffer.getDataY();
+ ByteBuffer dataU = buffer.getDataU();
+ ByteBuffer dataV = buffer.getDataV();
+
+ dataY.position(cropX + cropY * buffer.getStrideY());
+ dataU.position(cropX / 2 + cropY / 2 * buffer.getStrideU());
+ dataV.position(cropX / 2 + cropY / 2 * buffer.getStrideV());
+
+ buffer.retain();
+ return JavaI420Buffer.wrap(scaleWidth, scaleHeight, dataY.slice(), buffer.getStrideY(),
+ dataU.slice(), buffer.getStrideU(), dataV.slice(), buffer.getStrideV(), buffer::release);
+ }
+
+ JavaI420Buffer newBuffer = JavaI420Buffer.allocate(scaleWidth, scaleHeight);
+ nativeCropAndScaleI420(buffer.getDataY(), buffer.getStrideY(), buffer.getDataU(),
+ buffer.getStrideU(), buffer.getDataV(), buffer.getStrideV(), cropX, cropY, cropWidth,
+ cropHeight, newBuffer.getDataY(), newBuffer.getStrideY(), newBuffer.getDataU(),
+ newBuffer.getStrideU(), newBuffer.getDataV(), newBuffer.getStrideV(), scaleWidth,
+ scaleHeight);
+ return newBuffer;
+ }
+
+ private static native void nativeCropAndScaleI420(ByteBuffer srcY, int srcStrideY,
+ ByteBuffer srcU, int srcStrideU, ByteBuffer srcV, int srcStrideV, int cropX, int cropY,
+ int cropWidth, int cropHeight, ByteBuffer dstY, int dstStrideY, ByteBuffer dstU,
+ int dstStrideU, ByteBuffer dstV, int dstStrideV, int scaleWidth, int scaleHeight);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/LibaomAv1Encoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibaomAv1Encoder.java
new file mode 100644
index 0000000000..569a719f44
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibaomAv1Encoder.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public class LibaomAv1Encoder extends WrappedNativeVideoEncoder {
+ @Override
+ public long createNativeVideoEncoder() {
+ return nativeCreateEncoder();
+ }
+
+ static native long nativeCreateEncoder();
+
+ @Override
+ public boolean isHardwareEncoder() {
+ return false;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp8Decoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp8Decoder.java
new file mode 100644
index 0000000000..54ad0aa137
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp8Decoder.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public class LibvpxVp8Decoder extends WrappedNativeVideoDecoder {
+ @Override
+ public long createNativeVideoDecoder() {
+ return nativeCreateDecoder();
+ }
+
+ static native long nativeCreateDecoder();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp8Encoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp8Encoder.java
new file mode 100644
index 0000000000..4be9e52c14
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp8Encoder.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public class LibvpxVp8Encoder extends WrappedNativeVideoEncoder {
+ @Override
+ public long createNativeVideoEncoder() {
+ return nativeCreateEncoder();
+ }
+
+ static native long nativeCreateEncoder();
+
+ @Override
+ public boolean isHardwareEncoder() {
+ return false;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp9Decoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp9Decoder.java
new file mode 100644
index 0000000000..90a24433a3
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp9Decoder.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public class LibvpxVp9Decoder extends WrappedNativeVideoDecoder {
+ @Override
+ public long createNativeVideoDecoder() {
+ return nativeCreateDecoder();
+ }
+
+ static native long nativeCreateDecoder();
+
+ static native boolean nativeIsSupported();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp9Encoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp9Encoder.java
new file mode 100644
index 0000000000..1211ae93fb
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/LibvpxVp9Encoder.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public class LibvpxVp9Encoder extends WrappedNativeVideoEncoder {
+ @Override
+ public long createNativeVideoEncoder() {
+ return nativeCreateEncoder();
+ }
+
+ static native long nativeCreateEncoder();
+
+ @Override
+ public boolean isHardwareEncoder() {
+ return false;
+ }
+
+ static native boolean nativeIsSupported();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaConstraints.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaConstraints.java
new file mode 100644
index 0000000000..bae04e532c
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaConstraints.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Description of media constraints for {@code MediaStream} and
+ * {@code PeerConnection}.
+ */
+public class MediaConstraints {
+ /** Simple String key/value pair. */
+ public static class KeyValuePair {
+ private final String key;
+ private final String value;
+
+ public KeyValuePair(String key, String value) {
+ this.key = key;
+ this.value = value;
+ }
+
+ @CalledByNative("KeyValuePair")
+ public String getKey() {
+ return key;
+ }
+
+ @CalledByNative("KeyValuePair")
+ public String getValue() {
+ return value;
+ }
+
+ @Override
+ public String toString() {
+ return key + ": " + value;
+ }
+
+ @Override
+ public boolean equals(@Nullable Object other) {
+ if (this == other) {
+ return true;
+ }
+ if (other == null || getClass() != other.getClass()) {
+ return false;
+ }
+ KeyValuePair that = (KeyValuePair) other;
+ return key.equals(that.key) && value.equals(that.value);
+ }
+
+ @Override
+ public int hashCode() {
+ return key.hashCode() + value.hashCode();
+ }
+ }
+
+ public final List<KeyValuePair> mandatory;
+ public final List<KeyValuePair> optional;
+
+ public MediaConstraints() {
+ mandatory = new ArrayList<KeyValuePair>();
+ optional = new ArrayList<KeyValuePair>();
+ }
+
+ private static String stringifyKeyValuePairList(List<KeyValuePair> list) {
+ StringBuilder builder = new StringBuilder("[");
+ for (KeyValuePair pair : list) {
+ if (builder.length() > 1) {
+ builder.append(", ");
+ }
+ builder.append(pair.toString());
+ }
+ return builder.append("]").toString();
+ }
+
+ @Override
+ public String toString() {
+ return "mandatory: " + stringifyKeyValuePairList(mandatory) + ", optional: "
+ + stringifyKeyValuePairList(optional);
+ }
+
+ @CalledByNative
+ List<KeyValuePair> getMandatory() {
+ return mandatory;
+ }
+
+ @CalledByNative
+ List<KeyValuePair> getOptional() {
+ return optional;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaSource.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaSource.java
new file mode 100644
index 0000000000..9245e3e2eb
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaSource.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Java wrapper for a C++ MediaSourceInterface. */
+public class MediaSource {
+ /** Tracks MediaSourceInterface.SourceState */
+ public enum State {
+ INITIALIZING,
+ LIVE,
+ ENDED,
+ MUTED;
+
+ @CalledByNative("State")
+ static State fromNativeIndex(int nativeIndex) {
+ return values()[nativeIndex];
+ }
+ }
+
+ private final RefCountDelegate refCountDelegate;
+ private long nativeSource;
+
+ public MediaSource(long nativeSource) {
+ refCountDelegate = new RefCountDelegate(() -> JniCommon.nativeReleaseRef(nativeSource));
+ this.nativeSource = nativeSource;
+ }
+
+ public State state() {
+ checkMediaSourceExists();
+ return nativeGetState(nativeSource);
+ }
+
+ public void dispose() {
+ checkMediaSourceExists();
+ refCountDelegate.release();
+ nativeSource = 0;
+ }
+
+ /** Returns a pointer to webrtc::MediaSourceInterface. */
+ protected long getNativeMediaSource() {
+ checkMediaSourceExists();
+ return nativeSource;
+ }
+
+ /**
+ * Runs code in {@code runnable} holding a reference to the media source. If the object has
+ * already been released, does nothing.
+ */
+ void runWithReference(Runnable runnable) {
+ if (refCountDelegate.safeRetain()) {
+ try {
+ runnable.run();
+ } finally {
+ refCountDelegate.release();
+ }
+ }
+ }
+
+ private void checkMediaSourceExists() {
+ if (nativeSource == 0) {
+ throw new IllegalStateException("MediaSource has been disposed.");
+ }
+ }
+
+ private static native State nativeGetState(long pointer);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaStreamTrack.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaStreamTrack.java
new file mode 100644
index 0000000000..2e4c3e18f7
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/MediaStreamTrack.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+
+/** Java wrapper for a C++ MediaStreamTrackInterface. */
+public class MediaStreamTrack {
+ public static final String AUDIO_TRACK_KIND = "audio";
+ public static final String VIDEO_TRACK_KIND = "video";
+
+ /** Tracks MediaStreamTrackInterface.TrackState */
+ public enum State {
+ LIVE,
+ ENDED;
+
+ @CalledByNative("State")
+ static State fromNativeIndex(int nativeIndex) {
+ return values()[nativeIndex];
+ }
+ }
+
+ // Must be kept in sync with cricket::MediaType.
+ public enum MediaType {
+ MEDIA_TYPE_AUDIO(0),
+ MEDIA_TYPE_VIDEO(1);
+
+ private final int nativeIndex;
+
+ private MediaType(int nativeIndex) {
+ this.nativeIndex = nativeIndex;
+ }
+
+ @CalledByNative("MediaType")
+ int getNative() {
+ return nativeIndex;
+ }
+
+ @CalledByNative("MediaType")
+ static MediaType fromNativeIndex(int nativeIndex) {
+ for (MediaType type : MediaType.values()) {
+ if (type.getNative() == nativeIndex) {
+ return type;
+ }
+ }
+ throw new IllegalArgumentException("Unknown native media type: " + nativeIndex);
+ }
+ }
+
+ /** Factory method to create an AudioTrack or VideoTrack subclass. */
+ static @Nullable MediaStreamTrack createMediaStreamTrack(long nativeTrack) {
+ if (nativeTrack == 0) {
+ return null;
+ }
+ String trackKind = nativeGetKind(nativeTrack);
+ if (trackKind.equals(AUDIO_TRACK_KIND)) {
+ return new AudioTrack(nativeTrack);
+ } else if (trackKind.equals(VIDEO_TRACK_KIND)) {
+ return new VideoTrack(nativeTrack);
+ } else {
+ return null;
+ }
+ }
+
+ private long nativeTrack;
+
+ public MediaStreamTrack(long nativeTrack) {
+ if (nativeTrack == 0) {
+ throw new IllegalArgumentException("nativeTrack may not be null");
+ }
+ this.nativeTrack = nativeTrack;
+ }
+
+ public String id() {
+ checkMediaStreamTrackExists();
+ return nativeGetId(nativeTrack);
+ }
+
+ public String kind() {
+ checkMediaStreamTrackExists();
+ return nativeGetKind(nativeTrack);
+ }
+
+ public boolean enabled() {
+ checkMediaStreamTrackExists();
+ return nativeGetEnabled(nativeTrack);
+ }
+
+ public boolean setEnabled(boolean enable) {
+ checkMediaStreamTrackExists();
+ return nativeSetEnabled(nativeTrack, enable);
+ }
+
+ public State state() {
+ checkMediaStreamTrackExists();
+ return nativeGetState(nativeTrack);
+ }
+
+ public void dispose() {
+ checkMediaStreamTrackExists();
+ JniCommon.nativeReleaseRef(nativeTrack);
+ nativeTrack = 0;
+ }
+
+ long getNativeMediaStreamTrack() {
+ checkMediaStreamTrackExists();
+ return nativeTrack;
+ }
+
+ private void checkMediaStreamTrackExists() {
+ if (nativeTrack == 0) {
+ throw new IllegalStateException("MediaStreamTrack has been disposed.");
+ }
+ }
+
+ private static native String nativeGetId(long track);
+ private static native String nativeGetKind(long track);
+ private static native boolean nativeGetEnabled(long track);
+ private static native boolean nativeSetEnabled(long track, boolean enabled);
+ private static native State nativeGetState(long track);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/Metrics.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/Metrics.java
new file mode 100644
index 0000000000..253376831c
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/Metrics.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import java.util.HashMap;
+import java.util.Map;
+
+// Java-side of androidmetrics.cc
+//
+// Rtc histograms can be queried through the API, getAndReset().
+// The returned map holds the name of a histogram and its samples.
+//
+// Example of `map` with one histogram:
+// `name`: "WebRTC.Video.InputFramesPerSecond"
+// `min`: 1
+// `max`: 100
+// `bucketCount`: 50
+// `samples`: [30]:1
+//
+// Most histograms are not updated frequently (e.g. most video metrics are an
+// average over the call and recorded when a stream is removed).
+// The metrics can for example be retrieved when a peer connection is closed.
+public class Metrics {
+ private static final String TAG = "Metrics";
+
+ public final Map<String, HistogramInfo> map =
+ new HashMap<String, HistogramInfo>(); // <name, HistogramInfo>
+
+ @CalledByNative
+ Metrics() {}
+
+ /**
+ * Class holding histogram information.
+ */
+ public static class HistogramInfo {
+ public final int min;
+ public final int max;
+ public final int bucketCount;
+ public final Map<Integer, Integer> samples =
+ new HashMap<Integer, Integer>(); // <value, # of events>
+
+ @CalledByNative("HistogramInfo")
+ public HistogramInfo(int min, int max, int bucketCount) {
+ this.min = min;
+ this.max = max;
+ this.bucketCount = bucketCount;
+ }
+
+ @CalledByNative("HistogramInfo")
+ public void addSample(int value, int numEvents) {
+ samples.put(value, numEvents);
+ }
+ }
+
+ @CalledByNative
+ private void add(String name, HistogramInfo info) {
+ map.put(name, info);
+ }
+
+ // Enables gathering of metrics (which can be fetched with getAndReset()).
+ // Must be called before PeerConnectionFactory is created.
+ public static void enable() {
+ nativeEnable();
+ }
+
+ // Gets and clears native histograms.
+ public static Metrics getAndReset() {
+ return nativeGetAndReset();
+ }
+
+ private static native void nativeEnable();
+ private static native Metrics nativeGetAndReset();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/NativeLibraryLoader.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/NativeLibraryLoader.java
new file mode 100644
index 0000000000..8bd7b3b250
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/NativeLibraryLoader.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Interface for loading native libraries. A custom loader can be passed to
+ * PeerConnectionFactory.initialize.
+ */
+public interface NativeLibraryLoader {
+ /**
+ * Loads a native library with the given name.
+ *
+ * @return True on success
+ */
+ boolean load(String name);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/NativePeerConnectionFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/NativePeerConnectionFactory.java
new file mode 100644
index 0000000000..aeb91e1750
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/NativePeerConnectionFactory.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Factory for creating webrtc::jni::OwnedPeerConnection instances. */
+public interface NativePeerConnectionFactory {
+ /**
+ * Create a new webrtc::jni::OwnedPeerConnection instance and returns a pointer to it.
+ * The caller takes ownership of the object.
+ */
+ long createNativePeerConnection();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/NetEqFactoryFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/NetEqFactoryFactory.java
new file mode 100644
index 0000000000..8464324cbc
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/NetEqFactoryFactory.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2019 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Implementations of this interface can create a native {@code webrtc::NetEqFactory}.
+ */
+public interface NetEqFactoryFactory {
+ /**
+ * Returns a pointer to a {@code webrtc::NetEqFactory}. The caller takes ownership.
+ */
+ long createNativeNetEqFactory();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/PlatformSoftwareVideoDecoderFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/PlatformSoftwareVideoDecoderFactory.java
new file mode 100644
index 0000000000..caca5e5889
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/PlatformSoftwareVideoDecoderFactory.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.media.MediaCodecInfo;
+import androidx.annotation.Nullable;
+import java.util.Arrays;
+
+/** Factory for Android platform software VideoDecoders. */
+public class PlatformSoftwareVideoDecoderFactory extends MediaCodecVideoDecoderFactory {
+ /**
+ * Default allowed predicate.
+ */
+ private static final Predicate<MediaCodecInfo> defaultAllowedPredicate =
+ new Predicate<MediaCodecInfo>() {
+ @Override
+ public boolean test(MediaCodecInfo arg) {
+ return MediaCodecUtils.isSoftwareOnly(arg);
+ }
+ };
+
+ /**
+ * Creates a PlatformSoftwareVideoDecoderFactory that supports surface texture rendering.
+ *
+ * @param sharedContext The textures generated will be accessible from this context. May be null,
+ * this disables texture support.
+ */
+ public PlatformSoftwareVideoDecoderFactory(@Nullable EglBase.Context sharedContext) {
+ super(sharedContext, defaultAllowedPredicate);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/Predicate.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/Predicate.java
new file mode 100644
index 0000000000..50e6975000
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/Predicate.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Represents a predicate (boolean-valued function) of one argument.
+ */
+public interface Predicate<T> {
+ /**
+ * Evaluates this predicate on the given argument.
+ *
+ * @param arg the input argument
+ * @return true if the input argument matches the predicate, otherwise false
+ */
+ boolean test(T arg);
+
+ /**
+ * Returns a composed predicate that represents a short-circuiting logical OR of this predicate
+ * and another. When evaluating the composed predicate, if this predicate is true, then the other
+ * predicate is not evaluated.
+ *
+ * @param other a predicate that will be logically-ORed with this predicate
+ * @return a composed predicate that represents the short-circuiting logical OR of this predicate
+ * and the other predicate
+ */
+ default Predicate<T> or(Predicate<? super T> other) {
+ return new Predicate<T>() {
+ @Override
+ public boolean test(T arg) {
+ return Predicate.this.test(arg) || other.test(arg);
+ }
+ };
+ }
+
+ /**
+ * Returns a composed predicate that represents a short-circuiting logical AND of this predicate
+ * and another.
+ *
+ * @param other a predicate that will be logically-ANDed with this predicate
+ * @return a composed predicate that represents the short-circuiting logical AND of this predicate
+ * and the other predicate
+ */
+ default Predicate<T> and(Predicate<? super T> other) {
+ return new Predicate<T>() {
+ @Override
+ public boolean test(T arg) {
+ return Predicate.this.test(arg) && other.test(arg);
+ }
+ };
+ }
+
+ /**
+ * Returns a predicate that represents the logical negation of this predicate.
+ *
+ * @return a predicate that represents the logical negation of this predicate
+ */
+ default Predicate<T> negate() {
+ return new Predicate<T>() {
+ @Override
+ public boolean test(T arg) {
+ return !Predicate.this.test(arg);
+ }
+ };
+ }
+} \ No newline at end of file
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/RefCounted.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/RefCounted.java
new file mode 100644
index 0000000000..0c1c3bf1f9
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/RefCounted.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Interface for ref counted objects in WebRTC. These objects have significant resources that need
+ * to be freed when they are no longer in use. Each objects starts with ref count of one when
+ * created. If a reference is passed as a parameter to a method, the caller has ownesrship of the
+ * object by default - calling release is not necessary unless retain is called.
+ */
+public interface RefCounted {
+ /** Increases ref count by one. */
+ @CalledByNative void retain();
+
+ /**
+ * Decreases ref count by one. When the ref count reaches zero, resources related to the object
+ * will be freed.
+ */
+ @CalledByNative void release();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/RendererCommon.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/RendererCommon.java
new file mode 100644
index 0000000000..b97901c634
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/RendererCommon.java
@@ -0,0 +1,259 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.graphics.Point;
+import android.opengl.Matrix;
+import android.view.View;
+
+/**
+ * Static helper functions for renderer implementations.
+ */
+public class RendererCommon {
+ /** Interface for reporting rendering events. */
+ public static interface RendererEvents {
+ /**
+ * Callback fired once first frame is rendered.
+ */
+ public void onFirstFrameRendered();
+
+ /**
+ * Callback fired when rendered frame resolution or rotation has changed.
+ */
+ public void onFrameResolutionChanged(int videoWidth, int videoHeight, int rotation);
+ }
+
+ /**
+ * Interface for rendering frames on an EGLSurface with specified viewport location. Rotation,
+ * mirror, and cropping is specified using a 4x4 texture coordinate transform matrix. The frame
+ * input can either be an OES texture, RGB texture, or YUV textures in I420 format. The function
+ * release() must be called manually to free the resources held by this object.
+ */
+ public static interface GlDrawer {
+ /**
+ * Functions for drawing frames with different sources. The rendering surface target is
+ * implied by the current EGL context of the calling thread and requires no explicit argument.
+ * The coordinates specify the viewport location on the surface target.
+ */
+ void drawOes(int oesTextureId, float[] texMatrix, int frameWidth, int frameHeight,
+ int viewportX, int viewportY, int viewportWidth, int viewportHeight);
+ void drawRgb(int textureId, float[] texMatrix, int frameWidth, int frameHeight, int viewportX,
+ int viewportY, int viewportWidth, int viewportHeight);
+ void drawYuv(int[] yuvTextures, float[] texMatrix, int frameWidth, int frameHeight,
+ int viewportX, int viewportY, int viewportWidth, int viewportHeight);
+
+ /**
+ * Release all GL resources. This needs to be done manually, otherwise resources may leak.
+ */
+ void release();
+ }
+
+ /**
+ * Helper class for determining layout size based on layout requirements, scaling type, and video
+ * aspect ratio.
+ */
+ public static class VideoLayoutMeasure {
+ // The scaling type determines how the video will fill the allowed layout area in measure(). It
+ // can be specified separately for the case when video has matched orientation with layout size
+ // and when there is an orientation mismatch.
+ private float visibleFractionMatchOrientation =
+ convertScalingTypeToVisibleFraction(ScalingType.SCALE_ASPECT_BALANCED);
+ private float visibleFractionMismatchOrientation =
+ convertScalingTypeToVisibleFraction(ScalingType.SCALE_ASPECT_BALANCED);
+
+ public void setScalingType(ScalingType scalingType) {
+ setScalingType(/* scalingTypeMatchOrientation= */ scalingType,
+ /* scalingTypeMismatchOrientation= */ scalingType);
+ }
+
+ public void setScalingType(
+ ScalingType scalingTypeMatchOrientation, ScalingType scalingTypeMismatchOrientation) {
+ this.visibleFractionMatchOrientation =
+ convertScalingTypeToVisibleFraction(scalingTypeMatchOrientation);
+ this.visibleFractionMismatchOrientation =
+ convertScalingTypeToVisibleFraction(scalingTypeMismatchOrientation);
+ }
+
+ public void setVisibleFraction(
+ float visibleFractionMatchOrientation, float visibleFractionMismatchOrientation) {
+ this.visibleFractionMatchOrientation = visibleFractionMatchOrientation;
+ this.visibleFractionMismatchOrientation = visibleFractionMismatchOrientation;
+ }
+
+ public Point measure(int widthSpec, int heightSpec, int frameWidth, int frameHeight) {
+ // Calculate max allowed layout size.
+ final int maxWidth = View.getDefaultSize(Integer.MAX_VALUE, widthSpec);
+ final int maxHeight = View.getDefaultSize(Integer.MAX_VALUE, heightSpec);
+ if (frameWidth == 0 || frameHeight == 0 || maxWidth == 0 || maxHeight == 0) {
+ return new Point(maxWidth, maxHeight);
+ }
+ // Calculate desired display size based on scaling type, video aspect ratio,
+ // and maximum layout size.
+ final float frameAspect = frameWidth / (float) frameHeight;
+ final float displayAspect = maxWidth / (float) maxHeight;
+ final float visibleFraction = (frameAspect > 1.0f) == (displayAspect > 1.0f)
+ ? visibleFractionMatchOrientation
+ : visibleFractionMismatchOrientation;
+ final Point layoutSize = getDisplaySize(visibleFraction, frameAspect, maxWidth, maxHeight);
+
+ // If the measure specification is forcing a specific size - yield.
+ if (View.MeasureSpec.getMode(widthSpec) == View.MeasureSpec.EXACTLY) {
+ layoutSize.x = maxWidth;
+ }
+ if (View.MeasureSpec.getMode(heightSpec) == View.MeasureSpec.EXACTLY) {
+ layoutSize.y = maxHeight;
+ }
+ return layoutSize;
+ }
+ }
+
+ // Types of video scaling:
+ // SCALE_ASPECT_FIT - video frame is scaled to fit the size of the view by
+ // maintaining the aspect ratio (black borders may be displayed).
+ // SCALE_ASPECT_FILL - video frame is scaled to fill the size of the view by
+ // maintaining the aspect ratio. Some portion of the video frame may be
+ // clipped.
+ // SCALE_ASPECT_BALANCED - Compromise between FIT and FILL. Video frame will fill as much as
+ // possible of the view while maintaining aspect ratio, under the constraint that at least
+ // `BALANCED_VISIBLE_FRACTION` of the frame content will be shown.
+ public static enum ScalingType { SCALE_ASPECT_FIT, SCALE_ASPECT_FILL, SCALE_ASPECT_BALANCED }
+ // The minimum fraction of the frame content that will be shown for `SCALE_ASPECT_BALANCED`.
+ // This limits excessive cropping when adjusting display size.
+ private static float BALANCED_VISIBLE_FRACTION = 0.5625f;
+
+ /**
+ * Returns layout transformation matrix that applies an optional mirror effect and compensates
+ * for video vs display aspect ratio.
+ */
+ public static float[] getLayoutMatrix(
+ boolean mirror, float videoAspectRatio, float displayAspectRatio) {
+ float scaleX = 1;
+ float scaleY = 1;
+ // Scale X or Y dimension so that video and display size have same aspect ratio.
+ if (displayAspectRatio > videoAspectRatio) {
+ scaleY = videoAspectRatio / displayAspectRatio;
+ } else {
+ scaleX = displayAspectRatio / videoAspectRatio;
+ }
+ // Apply optional horizontal flip.
+ if (mirror) {
+ scaleX *= -1;
+ }
+ final float matrix[] = new float[16];
+ Matrix.setIdentityM(matrix, 0);
+ Matrix.scaleM(matrix, 0, scaleX, scaleY, 1);
+ adjustOrigin(matrix);
+ return matrix;
+ }
+
+ /** Converts a float[16] matrix array to android.graphics.Matrix. */
+ public static android.graphics.Matrix convertMatrixToAndroidGraphicsMatrix(float[] matrix4x4) {
+ // clang-format off
+ float[] values = {
+ matrix4x4[0 * 4 + 0], matrix4x4[1 * 4 + 0], matrix4x4[3 * 4 + 0],
+ matrix4x4[0 * 4 + 1], matrix4x4[1 * 4 + 1], matrix4x4[3 * 4 + 1],
+ matrix4x4[0 * 4 + 3], matrix4x4[1 * 4 + 3], matrix4x4[3 * 4 + 3],
+ };
+ // clang-format on
+
+ android.graphics.Matrix matrix = new android.graphics.Matrix();
+ matrix.setValues(values);
+ return matrix;
+ }
+
+ /** Converts android.graphics.Matrix to a float[16] matrix array. */
+ public static float[] convertMatrixFromAndroidGraphicsMatrix(android.graphics.Matrix matrix) {
+ float[] values = new float[9];
+ matrix.getValues(values);
+
+ // The android.graphics.Matrix looks like this:
+ // [x1 y1 w1]
+ // [x2 y2 w2]
+ // [x3 y3 w3]
+ // We want to contruct a matrix that looks like this:
+ // [x1 y1 0 w1]
+ // [x2 y2 0 w2]
+ // [ 0 0 1 0]
+ // [x3 y3 0 w3]
+ // Since it is stored in column-major order, it looks like this:
+ // [x1 x2 0 x3
+ // y1 y2 0 y3
+ // 0 0 1 0
+ // w1 w2 0 w3]
+ // clang-format off
+ float[] matrix4x4 = {
+ values[0 * 3 + 0], values[1 * 3 + 0], 0, values[2 * 3 + 0],
+ values[0 * 3 + 1], values[1 * 3 + 1], 0, values[2 * 3 + 1],
+ 0, 0, 1, 0,
+ values[0 * 3 + 2], values[1 * 3 + 2], 0, values[2 * 3 + 2],
+ };
+ // clang-format on
+ return matrix4x4;
+ }
+
+ /**
+ * Calculate display size based on scaling type, video aspect ratio, and maximum display size.
+ */
+ public static Point getDisplaySize(
+ ScalingType scalingType, float videoAspectRatio, int maxDisplayWidth, int maxDisplayHeight) {
+ return getDisplaySize(convertScalingTypeToVisibleFraction(scalingType), videoAspectRatio,
+ maxDisplayWidth, maxDisplayHeight);
+ }
+
+ /**
+ * Move `matrix` transformation origin to (0.5, 0.5). This is the origin for texture coordinates
+ * that are in the range 0 to 1.
+ */
+ private static void adjustOrigin(float[] matrix) {
+ // Note that OpenGL is using column-major order.
+ // Pre translate with -0.5 to move coordinates to range [-0.5, 0.5].
+ matrix[12] -= 0.5f * (matrix[0] + matrix[4]);
+ matrix[13] -= 0.5f * (matrix[1] + matrix[5]);
+ // Post translate with 0.5 to move coordinates to range [0, 1].
+ matrix[12] += 0.5f;
+ matrix[13] += 0.5f;
+ }
+
+ /**
+ * Each scaling type has a one-to-one correspondence to a numeric minimum fraction of the video
+ * that must remain visible.
+ */
+ private static float convertScalingTypeToVisibleFraction(ScalingType scalingType) {
+ switch (scalingType) {
+ case SCALE_ASPECT_FIT:
+ return 1.0f;
+ case SCALE_ASPECT_FILL:
+ return 0.0f;
+ case SCALE_ASPECT_BALANCED:
+ return BALANCED_VISIBLE_FRACTION;
+ default:
+ throw new IllegalArgumentException();
+ }
+ }
+
+ /**
+ * Calculate display size based on minimum fraction of the video that must remain visible,
+ * video aspect ratio, and maximum display size.
+ */
+ public static Point getDisplaySize(
+ float minVisibleFraction, float videoAspectRatio, int maxDisplayWidth, int maxDisplayHeight) {
+ // If there is no constraint on the amount of cropping, fill the allowed display area.
+ if (minVisibleFraction == 0 || videoAspectRatio == 0) {
+ return new Point(maxDisplayWidth, maxDisplayHeight);
+ }
+ // Each dimension is constrained on max display size and how much we are allowed to crop.
+ final int width = Math.min(
+ maxDisplayWidth, Math.round(maxDisplayHeight / minVisibleFraction * videoAspectRatio));
+ final int height = Math.min(
+ maxDisplayHeight, Math.round(maxDisplayWidth / minVisibleFraction / videoAspectRatio));
+ return new Point(width, height);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/SSLCertificateVerifier.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/SSLCertificateVerifier.java
new file mode 100644
index 0000000000..461cd3b143
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/SSLCertificateVerifier.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * The SSLCertificateVerifier interface allows API users to provide custom
+ * logic to verify certificates.
+ */
+public interface SSLCertificateVerifier {
+ /**
+ * Implementations of verify allow applications to provide custom logic for
+ * verifying certificates. This is not required by default and should be used
+ * with care.
+ *
+ * @param certificate A byte array containing a DER encoded X509 certificate.
+ * @return True if the certificate is verified and trusted else false.
+ */
+ @CalledByNative boolean verify(byte[] certificate);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/ScreenCapturerAndroid.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/ScreenCapturerAndroid.java
new file mode 100644
index 0000000000..231d507155
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/ScreenCapturerAndroid.java
@@ -0,0 +1,212 @@
+/*
+ * Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.hardware.display.DisplayManager;
+import android.hardware.display.VirtualDisplay;
+import android.media.projection.MediaProjection;
+import android.media.projection.MediaProjectionManager;
+import android.view.Surface;
+import androidx.annotation.Nullable;
+
+/**
+ * An implementation of VideoCapturer to capture the screen content as a video stream.
+ * Capturing is done by {@code MediaProjection} on a {@code SurfaceTexture}. We interact with this
+ * {@code SurfaceTexture} using a {@code SurfaceTextureHelper}.
+ * The {@code SurfaceTextureHelper} is created by the native code and passed to this capturer in
+ * {@code VideoCapturer.initialize()}. On receiving a new frame, this capturer passes it
+ * as a texture to the native code via {@code CapturerObserver.onFrameCaptured()}. This takes
+ * place on the HandlerThread of the given {@code SurfaceTextureHelper}. When done with each frame,
+ * the native code returns the buffer to the {@code SurfaceTextureHelper} to be used for new
+ * frames. At any time, at most one frame is being processed.
+ */
+public class ScreenCapturerAndroid implements VideoCapturer, VideoSink {
+ private static final int DISPLAY_FLAGS =
+ DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC | DisplayManager.VIRTUAL_DISPLAY_FLAG_PRESENTATION;
+ // DPI for VirtualDisplay, does not seem to matter for us.
+ private static final int VIRTUAL_DISPLAY_DPI = 400;
+
+ private final Intent mediaProjectionPermissionResultData;
+ private final MediaProjection.Callback mediaProjectionCallback;
+
+ private int width;
+ private int height;
+ @Nullable private VirtualDisplay virtualDisplay;
+ @Nullable private SurfaceTextureHelper surfaceTextureHelper;
+ @Nullable private CapturerObserver capturerObserver;
+ private long numCapturedFrames;
+ @Nullable private MediaProjection mediaProjection;
+ private boolean isDisposed;
+ @Nullable private MediaProjectionManager mediaProjectionManager;
+
+ /**
+ * Constructs a new Screen Capturer.
+ *
+ * @param mediaProjectionPermissionResultData the result data of MediaProjection permission
+ * activity; the calling app must validate that result code is Activity.RESULT_OK before
+ * calling this method.
+ * @param mediaProjectionCallback MediaProjection callback to implement application specific
+ * logic in events such as when the user revokes a previously granted capture permission.
+ **/
+ public ScreenCapturerAndroid(Intent mediaProjectionPermissionResultData,
+ MediaProjection.Callback mediaProjectionCallback) {
+ this.mediaProjectionPermissionResultData = mediaProjectionPermissionResultData;
+ this.mediaProjectionCallback = mediaProjectionCallback;
+ }
+
+ private void checkNotDisposed() {
+ if (isDisposed) {
+ throw new RuntimeException("capturer is disposed.");
+ }
+ }
+
+ @Nullable
+ public MediaProjection getMediaProjection() {
+ return mediaProjection;
+ }
+
+ @Override
+ // TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
+ @SuppressWarnings("NoSynchronizedMethodCheck")
+ public synchronized void initialize(final SurfaceTextureHelper surfaceTextureHelper,
+ final Context applicationContext, final CapturerObserver capturerObserver) {
+ checkNotDisposed();
+
+ if (capturerObserver == null) {
+ throw new RuntimeException("capturerObserver not set.");
+ }
+ this.capturerObserver = capturerObserver;
+
+ if (surfaceTextureHelper == null) {
+ throw new RuntimeException("surfaceTextureHelper not set.");
+ }
+ this.surfaceTextureHelper = surfaceTextureHelper;
+
+ mediaProjectionManager = (MediaProjectionManager) applicationContext.getSystemService(
+ Context.MEDIA_PROJECTION_SERVICE);
+ }
+
+ @Override
+ // TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
+ @SuppressWarnings("NoSynchronizedMethodCheck")
+ public synchronized void startCapture(
+ final int width, final int height, final int ignoredFramerate) {
+ checkNotDisposed();
+
+ this.width = width;
+ this.height = height;
+
+ mediaProjection = mediaProjectionManager.getMediaProjection(
+ Activity.RESULT_OK, mediaProjectionPermissionResultData);
+
+ // Let MediaProjection callback use the SurfaceTextureHelper thread.
+ mediaProjection.registerCallback(mediaProjectionCallback, surfaceTextureHelper.getHandler());
+
+ createVirtualDisplay();
+ capturerObserver.onCapturerStarted(true);
+ surfaceTextureHelper.startListening(ScreenCapturerAndroid.this);
+ }
+
+ @Override
+ // TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
+ @SuppressWarnings("NoSynchronizedMethodCheck")
+ public synchronized void stopCapture() {
+ checkNotDisposed();
+ ThreadUtils.invokeAtFrontUninterruptibly(surfaceTextureHelper.getHandler(), new Runnable() {
+ @Override
+ public void run() {
+ surfaceTextureHelper.stopListening();
+ capturerObserver.onCapturerStopped();
+
+ if (virtualDisplay != null) {
+ virtualDisplay.release();
+ virtualDisplay = null;
+ }
+
+ if (mediaProjection != null) {
+ // Unregister the callback before stopping, otherwise the callback recursively
+ // calls this method.
+ mediaProjection.unregisterCallback(mediaProjectionCallback);
+ mediaProjection.stop();
+ mediaProjection = null;
+ }
+ }
+ });
+ }
+
+ @Override
+ // TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
+ @SuppressWarnings("NoSynchronizedMethodCheck")
+ public synchronized void dispose() {
+ isDisposed = true;
+ }
+
+ /**
+ * Changes output video format. This method can be used to scale the output
+ * video, or to change orientation when the captured screen is rotated for example.
+ *
+ * @param width new output video width
+ * @param height new output video height
+ * @param ignoredFramerate ignored
+ */
+ @Override
+ // TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
+ @SuppressWarnings("NoSynchronizedMethodCheck")
+ public synchronized void changeCaptureFormat(
+ final int width, final int height, final int ignoredFramerate) {
+ checkNotDisposed();
+
+ this.width = width;
+ this.height = height;
+
+ if (virtualDisplay == null) {
+ // Capturer is stopped, the virtual display will be created in startCaptuer().
+ return;
+ }
+
+ // Create a new virtual display on the surfaceTextureHelper thread to avoid interference
+ // with frame processing, which happens on the same thread (we serialize events by running
+ // them on the same thread).
+ ThreadUtils.invokeAtFrontUninterruptibly(surfaceTextureHelper.getHandler(), new Runnable() {
+ @Override
+ public void run() {
+ virtualDisplay.release();
+ createVirtualDisplay();
+ }
+ });
+ }
+
+ private void createVirtualDisplay() {
+ surfaceTextureHelper.setTextureSize(width, height);
+ virtualDisplay = mediaProjection.createVirtualDisplay("WebRTC_ScreenCapture", width, height,
+ VIRTUAL_DISPLAY_DPI, DISPLAY_FLAGS, new Surface(surfaceTextureHelper.getSurfaceTexture()),
+ null /* callback */, null /* callback handler */);
+ }
+
+ // This is called on the internal looper thread of {@Code SurfaceTextureHelper}.
+ @Override
+ public void onFrame(VideoFrame frame) {
+ numCapturedFrames++;
+ capturerObserver.onFrameCaptured(frame);
+ }
+
+ @Override
+ public boolean isScreencast() {
+ return true;
+ }
+
+ public long getNumCapturedFrames() {
+ return numCapturedFrames;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/SdpObserver.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/SdpObserver.java
new file mode 100644
index 0000000000..afa99bc552
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/SdpObserver.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Interface for observing SDP-related events. */
+public interface SdpObserver {
+ /** Called on success of Create{Offer,Answer}(). */
+ @CalledByNative void onCreateSuccess(SessionDescription sdp);
+
+ /** Called on success of Set{Local,Remote}Description(). */
+ @CalledByNative void onSetSuccess();
+
+ /** Called on error of Create{Offer,Answer}(). */
+ @CalledByNative void onCreateFailure(String error);
+
+ /** Called on error of Set{Local,Remote}Description(). */
+ @CalledByNative void onSetFailure(String error);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/SessionDescription.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/SessionDescription.java
new file mode 100644
index 0000000000..be89599a5f
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/SessionDescription.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import java.util.Locale;
+
+/**
+ * Description of an RFC 4566 Session.
+ * SDPs are passed as serialized Strings in Java-land and are materialized
+ * to SessionDescriptionInterface as appropriate in the JNI layer.
+ */
+public class SessionDescription {
+ /** Java-land enum version of SessionDescriptionInterface's type() string. */
+ public static enum Type {
+ OFFER,
+ PRANSWER,
+ ANSWER,
+ ROLLBACK;
+
+ public String canonicalForm() {
+ return name().toLowerCase(Locale.US);
+ }
+
+ @CalledByNative("Type")
+ public static Type fromCanonicalForm(String canonical) {
+ return Type.valueOf(Type.class, canonical.toUpperCase(Locale.US));
+ }
+ }
+
+ public final Type type;
+ public final String description;
+
+ @CalledByNative
+ public SessionDescription(Type type, String description) {
+ this.type = type;
+ this.description = description;
+ }
+
+ @CalledByNative
+ String getDescription() {
+ return description;
+ }
+
+ @CalledByNative
+ String getTypeInCanonicalForm() {
+ return type.canonicalForm();
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/SoftwareVideoDecoderFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/SoftwareVideoDecoderFactory.java
new file mode 100644
index 0000000000..2ac42e834e
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/SoftwareVideoDecoderFactory.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+import java.util.Arrays;
+import java.util.List;
+
+public class SoftwareVideoDecoderFactory implements VideoDecoderFactory {
+ private static final String TAG = "SoftwareVideoDecoderFactory";
+
+ private final long nativeFactory;
+
+ public SoftwareVideoDecoderFactory() {
+ this.nativeFactory = nativeCreateFactory();
+ }
+
+ @Nullable
+ @Override
+ public VideoDecoder createDecoder(VideoCodecInfo info) {
+ long nativeDecoder = nativeCreateDecoder(nativeFactory, info);
+ if (nativeDecoder == 0) {
+ Logging.w(TAG, "Trying to create decoder for unsupported format. " + info);
+ return null;
+ }
+
+ return new WrappedNativeVideoDecoder() {
+ @Override
+ public long createNativeVideoDecoder() {
+ return nativeDecoder;
+ }
+ };
+ }
+
+ @Override
+ public VideoCodecInfo[] getSupportedCodecs() {
+ return nativeGetSupportedCodecs(nativeFactory).toArray(new VideoCodecInfo[0]);
+ }
+
+ private static native long nativeCreateFactory();
+
+ private static native long nativeCreateDecoder(long factory, VideoCodecInfo videoCodecInfo);
+
+ private static native List<VideoCodecInfo> nativeGetSupportedCodecs(long factory);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/SoftwareVideoEncoderFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/SoftwareVideoEncoderFactory.java
new file mode 100644
index 0000000000..7f4c457b97
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/SoftwareVideoEncoderFactory.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+import java.util.Arrays;
+import java.util.List;
+
+public class SoftwareVideoEncoderFactory implements VideoEncoderFactory {
+ private static final String TAG = "SoftwareVideoEncoderFactory";
+
+ private final long nativeFactory;
+
+ public SoftwareVideoEncoderFactory() {
+ this.nativeFactory = nativeCreateFactory();
+ }
+
+ @Nullable
+ @Override
+ public VideoEncoder createEncoder(VideoCodecInfo info) {
+ long nativeEncoder = nativeCreateEncoder(nativeFactory, info);
+ if (nativeEncoder == 0) {
+ Logging.w(TAG, "Trying to create encoder for unsupported format. " + info);
+ return null;
+ }
+
+ return new WrappedNativeVideoEncoder() {
+ @Override
+ public long createNativeVideoEncoder() {
+ return nativeEncoder;
+ }
+
+ @Override
+ public boolean isHardwareEncoder() {
+ return false;
+ }
+ };
+ }
+
+ @Override
+ public VideoCodecInfo[] getSupportedCodecs() {
+ return nativeGetSupportedCodecs(nativeFactory).toArray(new VideoCodecInfo[0]);
+ }
+
+ private static native long nativeCreateFactory();
+
+ private static native long nativeCreateEncoder(long factory, VideoCodecInfo videoCodecInfo);
+
+ private static native List<VideoCodecInfo> nativeGetSupportedCodecs(long factory);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/StatsObserver.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/StatsObserver.java
new file mode 100644
index 0000000000..b9984c18db
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/StatsObserver.java
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Interface for observing Stats reports (see webrtc::StatsObservers). */
+public interface StatsObserver {
+ /** Called when the reports are ready.*/
+ @CalledByNative public void onComplete(StatsReport[] reports);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/StatsReport.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/StatsReport.java
new file mode 100644
index 0000000000..b8f1cf87fe
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/StatsReport.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Java version of webrtc::StatsReport. */
+public class StatsReport {
+ /** Java version of webrtc::StatsReport::Value. */
+ public static class Value {
+ public final String name;
+ public final String value;
+
+ @CalledByNative("Value")
+ public Value(String name, String value) {
+ this.name = name;
+ this.value = value;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder builder = new StringBuilder();
+ builder.append("[").append(name).append(": ").append(value).append("]");
+ return builder.toString();
+ }
+ }
+
+ public final String id;
+ public final String type;
+ // Time since 1970-01-01T00:00:00Z in milliseconds.
+ public final double timestamp;
+ public final Value[] values;
+
+ @CalledByNative
+ public StatsReport(String id, String type, double timestamp, Value[] values) {
+ this.id = id;
+ this.type = type;
+ this.timestamp = timestamp;
+ this.values = values;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder builder = new StringBuilder();
+ builder.append("id: ")
+ .append(id)
+ .append(", type: ")
+ .append(type)
+ .append(", timestamp: ")
+ .append(timestamp)
+ .append(", values: ");
+ for (int i = 0; i < values.length; ++i) {
+ builder.append(values[i].toString()).append(", ");
+ }
+ return builder.toString();
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceEglRenderer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceEglRenderer.java
new file mode 100644
index 0000000000..6cba3f473b
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceEglRenderer.java
@@ -0,0 +1,160 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.view.SurfaceHolder;
+import java.util.concurrent.CountDownLatch;
+
+/**
+ * Display the video stream on a Surface.
+ * renderFrame() is asynchronous to avoid blocking the calling thread.
+ * This class is thread safe and handles access from potentially three different threads:
+ * Interaction from the main app in init, release and setMirror.
+ * Interaction from C++ rtc::VideoSinkInterface in renderFrame.
+ * Interaction from SurfaceHolder lifecycle in surfaceCreated, surfaceChanged, and surfaceDestroyed.
+ */
+public class SurfaceEglRenderer extends EglRenderer implements SurfaceHolder.Callback {
+ private static final String TAG = "SurfaceEglRenderer";
+
+ // Callback for reporting renderer events. Read-only after initialization so no lock required.
+ private RendererCommon.RendererEvents rendererEvents;
+
+ private final Object layoutLock = new Object();
+ private boolean isRenderingPaused;
+ private boolean isFirstFrameRendered;
+ private int rotatedFrameWidth;
+ private int rotatedFrameHeight;
+ private int frameRotation;
+
+ /**
+ * In order to render something, you must first call init().
+ */
+ public SurfaceEglRenderer(String name) {
+ super(name);
+ }
+
+ /**
+ * Initialize this class, sharing resources with `sharedContext`. The custom `drawer` will be used
+ * for drawing frames on the EGLSurface. This class is responsible for calling release() on
+ * `drawer`. It is allowed to call init() to reinitialize the renderer after a previous
+ * init()/release() cycle.
+ */
+ public void init(final EglBase.Context sharedContext,
+ RendererCommon.RendererEvents rendererEvents, final int[] configAttributes,
+ RendererCommon.GlDrawer drawer) {
+ ThreadUtils.checkIsOnMainThread();
+ this.rendererEvents = rendererEvents;
+ synchronized (layoutLock) {
+ isFirstFrameRendered = false;
+ rotatedFrameWidth = 0;
+ rotatedFrameHeight = 0;
+ frameRotation = 0;
+ }
+ super.init(sharedContext, configAttributes, drawer);
+ }
+
+ @Override
+ public void init(final EglBase.Context sharedContext, final int[] configAttributes,
+ RendererCommon.GlDrawer drawer) {
+ init(sharedContext, null /* rendererEvents */, configAttributes, drawer);
+ }
+
+ /**
+ * Limit render framerate.
+ *
+ * @param fps Limit render framerate to this value, or use Float.POSITIVE_INFINITY to disable fps
+ * reduction.
+ */
+ @Override
+ public void setFpsReduction(float fps) {
+ synchronized (layoutLock) {
+ isRenderingPaused = fps == 0f;
+ }
+ super.setFpsReduction(fps);
+ }
+
+ @Override
+ public void disableFpsReduction() {
+ synchronized (layoutLock) {
+ isRenderingPaused = false;
+ }
+ super.disableFpsReduction();
+ }
+
+ @Override
+ public void pauseVideo() {
+ synchronized (layoutLock) {
+ isRenderingPaused = true;
+ }
+ super.pauseVideo();
+ }
+
+ // VideoSink interface.
+ @Override
+ public void onFrame(VideoFrame frame) {
+ updateFrameDimensionsAndReportEvents(frame);
+ super.onFrame(frame);
+ }
+
+ // SurfaceHolder.Callback interface.
+ @Override
+ public void surfaceCreated(final SurfaceHolder holder) {
+ ThreadUtils.checkIsOnMainThread();
+ createEglSurface(holder.getSurface());
+ }
+
+ @Override
+ public void surfaceDestroyed(SurfaceHolder holder) {
+ ThreadUtils.checkIsOnMainThread();
+ final CountDownLatch completionLatch = new CountDownLatch(1);
+ releaseEglSurface(completionLatch::countDown);
+ ThreadUtils.awaitUninterruptibly(completionLatch);
+ }
+
+ @Override
+ public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
+ ThreadUtils.checkIsOnMainThread();
+ logD("surfaceChanged: format: " + format + " size: " + width + "x" + height);
+ }
+
+ // Update frame dimensions and report any changes to `rendererEvents`.
+ private void updateFrameDimensionsAndReportEvents(VideoFrame frame) {
+ synchronized (layoutLock) {
+ if (isRenderingPaused) {
+ return;
+ }
+ if (!isFirstFrameRendered) {
+ isFirstFrameRendered = true;
+ logD("Reporting first rendered frame.");
+ if (rendererEvents != null) {
+ rendererEvents.onFirstFrameRendered();
+ }
+ }
+ if (rotatedFrameWidth != frame.getRotatedWidth()
+ || rotatedFrameHeight != frame.getRotatedHeight()
+ || frameRotation != frame.getRotation()) {
+ logD("Reporting frame resolution changed to " + frame.getBuffer().getWidth() + "x"
+ + frame.getBuffer().getHeight() + " with rotation " + frame.getRotation());
+ if (rendererEvents != null) {
+ rendererEvents.onFrameResolutionChanged(
+ frame.getBuffer().getWidth(), frame.getBuffer().getHeight(), frame.getRotation());
+ }
+ rotatedFrameWidth = frame.getRotatedWidth();
+ rotatedFrameHeight = frame.getRotatedHeight();
+ frameRotation = frame.getRotation();
+ }
+ }
+ }
+
+ private void logD(String string) {
+ Logging.d(TAG, name + ": " + string);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceTextureHelper.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceTextureHelper.java
new file mode 100644
index 0000000000..3ea22736ea
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceTextureHelper.java
@@ -0,0 +1,390 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.annotation.TargetApi;
+import android.graphics.SurfaceTexture;
+import android.opengl.GLES11Ext;
+import android.opengl.GLES20;
+import android.os.Build;
+import android.os.Handler;
+import android.os.HandlerThread;
+import androidx.annotation.Nullable;
+import java.util.concurrent.Callable;
+import org.webrtc.EglBase.Context;
+import org.webrtc.TextureBufferImpl.RefCountMonitor;
+import org.webrtc.VideoFrame.TextureBuffer;
+
+/**
+ * Helper class for using a SurfaceTexture to create WebRTC VideoFrames. In order to create WebRTC
+ * VideoFrames, render onto the SurfaceTexture. The frames will be delivered to the listener. Only
+ * one texture frame can be in flight at once, so the frame must be released in order to receive a
+ * new frame. Call stopListening() to stop receiveing new frames. Call dispose to release all
+ * resources once the texture frame is released.
+ */
+public class SurfaceTextureHelper {
+ /**
+ * Interface for monitoring texture buffers created from this SurfaceTexture. Since only one
+ * texture buffer can exist at a time, this can be used to monitor for stuck frames.
+ */
+ public interface FrameRefMonitor {
+ /** A new frame was created. New frames start with ref count of 1. */
+ void onNewBuffer(TextureBuffer textureBuffer);
+ /** Ref count of the frame was incremented by the calling thread. */
+ void onRetainBuffer(TextureBuffer textureBuffer);
+ /** Ref count of the frame was decremented by the calling thread. */
+ void onReleaseBuffer(TextureBuffer textureBuffer);
+ /** Frame was destroyed (ref count reached 0). */
+ void onDestroyBuffer(TextureBuffer textureBuffer);
+ }
+
+ private static final String TAG = "SurfaceTextureHelper";
+ /**
+ * Construct a new SurfaceTextureHelper sharing OpenGL resources with `sharedContext`. A dedicated
+ * thread and handler is created for handling the SurfaceTexture. May return null if EGL fails to
+ * initialize a pixel buffer surface and make it current. If alignTimestamps is true, the frame
+ * timestamps will be aligned to rtc::TimeNanos(). If frame timestamps are aligned to
+ * rtc::TimeNanos() there is no need for aligning timestamps again in
+ * PeerConnectionFactory.createVideoSource(). This makes the timestamps more accurate and
+ * closer to actual creation time.
+ */
+ public static SurfaceTextureHelper create(final String threadName,
+ final EglBase.Context sharedContext, boolean alignTimestamps, final YuvConverter yuvConverter,
+ FrameRefMonitor frameRefMonitor) {
+ final HandlerThread thread = new HandlerThread(threadName);
+ thread.start();
+ final Handler handler = new Handler(thread.getLooper());
+
+ // The onFrameAvailable() callback will be executed on the SurfaceTexture ctor thread. See:
+ // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/5.1.1_r1/android/graphics/SurfaceTexture.java#195.
+ // Therefore, in order to control the callback thread on API lvl < 21, the SurfaceTextureHelper
+ // is constructed on the `handler` thread.
+ return ThreadUtils.invokeAtFrontUninterruptibly(handler, new Callable<SurfaceTextureHelper>() {
+ @Nullable
+ @Override
+ public SurfaceTextureHelper call() {
+ try {
+ return new SurfaceTextureHelper(
+ sharedContext, handler, alignTimestamps, yuvConverter, frameRefMonitor);
+ } catch (RuntimeException e) {
+ Logging.e(TAG, threadName + " create failure", e);
+ return null;
+ }
+ }
+ });
+ }
+
+ /**
+ * Same as above with alignTimestamps set to false and yuvConverter set to new YuvConverter.
+ *
+ * @see #create(String, EglBase.Context, boolean, YuvConverter, FrameRefMonitor)
+ */
+ public static SurfaceTextureHelper create(
+ final String threadName, final EglBase.Context sharedContext) {
+ return create(threadName, sharedContext, /* alignTimestamps= */ false, new YuvConverter(),
+ /*frameRefMonitor=*/null);
+ }
+
+ /**
+ * Same as above with yuvConverter set to new YuvConverter.
+ *
+ * @see #create(String, EglBase.Context, boolean, YuvConverter, FrameRefMonitor)
+ */
+ public static SurfaceTextureHelper create(
+ final String threadName, final EglBase.Context sharedContext, boolean alignTimestamps) {
+ return create(
+ threadName, sharedContext, alignTimestamps, new YuvConverter(), /*frameRefMonitor=*/null);
+ }
+
+ /**
+ * Create a SurfaceTextureHelper without frame ref monitor.
+ *
+ * @see #create(String, EglBase.Context, boolean, YuvConverter, FrameRefMonitor)
+ */
+ public static SurfaceTextureHelper create(final String threadName,
+ final EglBase.Context sharedContext, boolean alignTimestamps, YuvConverter yuvConverter) {
+ return create(
+ threadName, sharedContext, alignTimestamps, yuvConverter, /*frameRefMonitor=*/null);
+ }
+
+ private final RefCountMonitor textureRefCountMonitor = new RefCountMonitor() {
+ @Override
+ public void onRetain(TextureBufferImpl textureBuffer) {
+ if (frameRefMonitor != null) {
+ frameRefMonitor.onRetainBuffer(textureBuffer);
+ }
+ }
+
+ @Override
+ public void onRelease(TextureBufferImpl textureBuffer) {
+ if (frameRefMonitor != null) {
+ frameRefMonitor.onReleaseBuffer(textureBuffer);
+ }
+ }
+
+ @Override
+ public void onDestroy(TextureBufferImpl textureBuffer) {
+ returnTextureFrame();
+ if (frameRefMonitor != null) {
+ frameRefMonitor.onDestroyBuffer(textureBuffer);
+ }
+ }
+ };
+
+ private final Handler handler;
+ private final EglBase eglBase;
+ private final SurfaceTexture surfaceTexture;
+ private final int oesTextureId;
+ private final YuvConverter yuvConverter;
+ @Nullable private final TimestampAligner timestampAligner;
+ private final FrameRefMonitor frameRefMonitor;
+
+ // These variables are only accessed from the `handler` thread.
+ @Nullable private VideoSink listener;
+ // The possible states of this class.
+ private boolean hasPendingTexture;
+ private volatile boolean isTextureInUse;
+ private boolean isQuitting;
+ private int frameRotation;
+ private int textureWidth;
+ private int textureHeight;
+ // `pendingListener` is set in setListener() and the runnable is posted to the handler thread.
+ // setListener() is not allowed to be called again before stopListening(), so this is thread safe.
+ @Nullable private VideoSink pendingListener;
+ final Runnable setListenerRunnable = new Runnable() {
+ @Override
+ public void run() {
+ Logging.d(TAG, "Setting listener to " + pendingListener);
+ listener = pendingListener;
+ pendingListener = null;
+ // May have a pending frame from the previous capture session - drop it.
+ if (hasPendingTexture) {
+ // Calling updateTexImage() is neccessary in order to receive new frames.
+ updateTexImage();
+ hasPendingTexture = false;
+ }
+ }
+ };
+
+ private SurfaceTextureHelper(Context sharedContext, Handler handler, boolean alignTimestamps,
+ YuvConverter yuvConverter, FrameRefMonitor frameRefMonitor) {
+ if (handler.getLooper().getThread() != Thread.currentThread()) {
+ throw new IllegalStateException("SurfaceTextureHelper must be created on the handler thread");
+ }
+ this.handler = handler;
+ this.timestampAligner = alignTimestamps ? new TimestampAligner() : null;
+ this.yuvConverter = yuvConverter;
+ this.frameRefMonitor = frameRefMonitor;
+
+ eglBase = EglBase.create(sharedContext, EglBase.CONFIG_PIXEL_BUFFER);
+ try {
+ // Both these statements have been observed to fail on rare occasions, see BUG=webrtc:5682.
+ eglBase.createDummyPbufferSurface();
+ eglBase.makeCurrent();
+ } catch (RuntimeException e) {
+ // Clean up before rethrowing the exception.
+ eglBase.release();
+ handler.getLooper().quit();
+ throw e;
+ }
+
+ oesTextureId = GlUtil.generateTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES);
+ surfaceTexture = new SurfaceTexture(oesTextureId);
+ surfaceTexture.setOnFrameAvailableListener(st -> {
+ if (hasPendingTexture) {
+ Logging.d(TAG, "A frame is already pending, dropping frame.");
+ }
+
+ hasPendingTexture = true;
+ tryDeliverTextureFrame();
+ }, handler);
+ }
+
+ /**
+ * Start to stream textures to the given `listener`. If you need to change listener, you need to
+ * call stopListening() first.
+ */
+ public void startListening(final VideoSink listener) {
+ if (this.listener != null || this.pendingListener != null) {
+ throw new IllegalStateException("SurfaceTextureHelper listener has already been set.");
+ }
+ this.pendingListener = listener;
+ handler.post(setListenerRunnable);
+ }
+
+ /**
+ * Stop listening. The listener set in startListening() is guaranteded to not receive any more
+ * onFrame() callbacks after this function returns.
+ */
+ public void stopListening() {
+ Logging.d(TAG, "stopListening()");
+ handler.removeCallbacks(setListenerRunnable);
+ ThreadUtils.invokeAtFrontUninterruptibly(handler, () -> {
+ listener = null;
+ pendingListener = null;
+ });
+ }
+
+ /**
+ * Use this function to set the texture size. Note, do not call setDefaultBufferSize() yourself
+ * since this class needs to be aware of the texture size.
+ */
+ public void setTextureSize(int textureWidth, int textureHeight) {
+ if (textureWidth <= 0) {
+ throw new IllegalArgumentException("Texture width must be positive, but was " + textureWidth);
+ }
+ if (textureHeight <= 0) {
+ throw new IllegalArgumentException(
+ "Texture height must be positive, but was " + textureHeight);
+ }
+ surfaceTexture.setDefaultBufferSize(textureWidth, textureHeight);
+ handler.post(() -> {
+ this.textureWidth = textureWidth;
+ this.textureHeight = textureHeight;
+ tryDeliverTextureFrame();
+ });
+ }
+
+ /**
+ * Forces a frame to be produced. If no new frame is available, the last frame is sent to the
+ * listener again.
+ */
+ public void forceFrame() {
+ handler.post(() -> {
+ hasPendingTexture = true;
+ tryDeliverTextureFrame();
+ });
+ }
+
+ /** Set the rotation of the delivered frames. */
+ public void setFrameRotation(int rotation) {
+ handler.post(() -> this.frameRotation = rotation);
+ }
+
+ /**
+ * Retrieve the underlying SurfaceTexture. The SurfaceTexture should be passed in to a video
+ * producer such as a camera or decoder.
+ */
+ public SurfaceTexture getSurfaceTexture() {
+ return surfaceTexture;
+ }
+
+ /** Retrieve the handler that calls onFrame(). This handler is valid until dispose() is called. */
+ public Handler getHandler() {
+ return handler;
+ }
+
+ /**
+ * This function is called when the texture frame is released. Only one texture frame can be in
+ * flight at once, so this function must be called before a new frame is delivered.
+ */
+ private void returnTextureFrame() {
+ handler.post(() -> {
+ isTextureInUse = false;
+ if (isQuitting) {
+ release();
+ } else {
+ tryDeliverTextureFrame();
+ }
+ });
+ }
+
+ public boolean isTextureInUse() {
+ return isTextureInUse;
+ }
+
+ /**
+ * Call disconnect() to stop receiving frames. OpenGL resources are released and the handler is
+ * stopped when the texture frame has been released. You are guaranteed to not receive any more
+ * onFrame() after this function returns.
+ */
+ public void dispose() {
+ Logging.d(TAG, "dispose()");
+ ThreadUtils.invokeAtFrontUninterruptibly(handler, () -> {
+ isQuitting = true;
+ if (!isTextureInUse) {
+ release();
+ }
+ });
+ }
+
+ /**
+ * Posts to the correct thread to convert `textureBuffer` to I420.
+ *
+ * @deprecated Use toI420() instead.
+ */
+ @Deprecated
+ public VideoFrame.I420Buffer textureToYuv(final TextureBuffer textureBuffer) {
+ return textureBuffer.toI420();
+ }
+
+ private void updateTexImage() {
+ // SurfaceTexture.updateTexImage apparently can compete and deadlock with eglSwapBuffers,
+ // as observed on Nexus 5. Therefore, synchronize it with the EGL functions.
+ // See https://bugs.chromium.org/p/webrtc/issues/detail?id=5702 for more info.
+ synchronized (EglBase.lock) {
+ surfaceTexture.updateTexImage();
+ }
+ }
+
+ private void tryDeliverTextureFrame() {
+ if (handler.getLooper().getThread() != Thread.currentThread()) {
+ throw new IllegalStateException("Wrong thread.");
+ }
+ if (isQuitting || !hasPendingTexture || isTextureInUse || listener == null) {
+ return;
+ }
+ if (textureWidth == 0 || textureHeight == 0) {
+ // Information about the resolution needs to be provided by a call to setTextureSize() before
+ // frames are produced.
+ Logging.w(TAG, "Texture size has not been set.");
+ return;
+ }
+ isTextureInUse = true;
+ hasPendingTexture = false;
+
+ updateTexImage();
+
+ final float[] transformMatrix = new float[16];
+ surfaceTexture.getTransformMatrix(transformMatrix);
+ long timestampNs = surfaceTexture.getTimestamp();
+ if (timestampAligner != null) {
+ timestampNs = timestampAligner.translateTimestamp(timestampNs);
+ }
+ final VideoFrame.TextureBuffer buffer =
+ new TextureBufferImpl(textureWidth, textureHeight, TextureBuffer.Type.OES, oesTextureId,
+ RendererCommon.convertMatrixToAndroidGraphicsMatrix(transformMatrix), handler,
+ yuvConverter, textureRefCountMonitor);
+ if (frameRefMonitor != null) {
+ frameRefMonitor.onNewBuffer(buffer);
+ }
+ final VideoFrame frame = new VideoFrame(buffer, frameRotation, timestampNs);
+ listener.onFrame(frame);
+ frame.release();
+ }
+
+ private void release() {
+ if (handler.getLooper().getThread() != Thread.currentThread()) {
+ throw new IllegalStateException("Wrong thread.");
+ }
+ if (isTextureInUse || !isQuitting) {
+ throw new IllegalStateException("Unexpected release.");
+ }
+ yuvConverter.release();
+ GLES20.glDeleteTextures(1, new int[] {oesTextureId}, 0);
+ surfaceTexture.release();
+ eglBase.release();
+ handler.getLooper().quit();
+ if (timestampAligner != null) {
+ timestampAligner.dispose();
+ }
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceViewRenderer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceViewRenderer.java
new file mode 100644
index 0000000000..6c9140abbd
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/SurfaceViewRenderer.java
@@ -0,0 +1,300 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.content.Context;
+import android.content.res.Resources.NotFoundException;
+import android.graphics.Point;
+import android.os.Looper;
+import android.util.AttributeSet;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+
+/**
+ * Display the video stream on a SurfaceView.
+ */
+public class SurfaceViewRenderer extends SurfaceView
+ implements SurfaceHolder.Callback, VideoSink, RendererCommon.RendererEvents {
+ private static final String TAG = "SurfaceViewRenderer";
+
+ // Cached resource name.
+ private final String resourceName;
+ private final RendererCommon.VideoLayoutMeasure videoLayoutMeasure =
+ new RendererCommon.VideoLayoutMeasure();
+ private final SurfaceEglRenderer eglRenderer;
+
+ // Callback for reporting renderer events. Read-only after initialization so no lock required.
+ private RendererCommon.RendererEvents rendererEvents;
+
+ // Accessed only on the main thread.
+ private int rotatedFrameWidth;
+ private int rotatedFrameHeight;
+ private boolean enableFixedSize;
+ private int surfaceWidth;
+ private int surfaceHeight;
+
+ /**
+ * Standard View constructor. In order to render something, you must first call init().
+ */
+ public SurfaceViewRenderer(Context context) {
+ super(context);
+ this.resourceName = getResourceName();
+ eglRenderer = new SurfaceEglRenderer(resourceName);
+ getHolder().addCallback(this);
+ getHolder().addCallback(eglRenderer);
+ }
+
+ /**
+ * Standard View constructor. In order to render something, you must first call init().
+ */
+ public SurfaceViewRenderer(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ this.resourceName = getResourceName();
+ eglRenderer = new SurfaceEglRenderer(resourceName);
+ getHolder().addCallback(this);
+ getHolder().addCallback(eglRenderer);
+ }
+
+ /**
+ * Initialize this class, sharing resources with `sharedContext`. It is allowed to call init() to
+ * reinitialize the renderer after a previous init()/release() cycle.
+ */
+ public void init(EglBase.Context sharedContext, RendererCommon.RendererEvents rendererEvents) {
+ init(sharedContext, rendererEvents, EglBase.CONFIG_PLAIN, new GlRectDrawer());
+ }
+
+ /**
+ * Initialize this class, sharing resources with `sharedContext`. The custom `drawer` will be used
+ * for drawing frames on the EGLSurface. This class is responsible for calling release() on
+ * `drawer`. It is allowed to call init() to reinitialize the renderer after a previous
+ * init()/release() cycle.
+ */
+ public void init(final EglBase.Context sharedContext,
+ RendererCommon.RendererEvents rendererEvents, final int[] configAttributes,
+ RendererCommon.GlDrawer drawer) {
+ ThreadUtils.checkIsOnMainThread();
+ this.rendererEvents = rendererEvents;
+ rotatedFrameWidth = 0;
+ rotatedFrameHeight = 0;
+ eglRenderer.init(sharedContext, this /* rendererEvents */, configAttributes, drawer);
+ }
+
+ /**
+ * Block until any pending frame is returned and all GL resources released, even if an interrupt
+ * occurs. If an interrupt occurs during release(), the interrupt flag will be set. This function
+ * should be called before the Activity is destroyed and the EGLContext is still valid. If you
+ * don't call this function, the GL resources might leak.
+ */
+ public void release() {
+ eglRenderer.release();
+ }
+
+ /**
+ * Register a callback to be invoked when a new video frame has been received.
+ *
+ * @param listener The callback to be invoked. The callback will be invoked on the render thread.
+ * It should be lightweight and must not call removeFrameListener.
+ * @param scale The scale of the Bitmap passed to the callback, or 0 if no Bitmap is
+ * required.
+ * @param drawer Custom drawer to use for this frame listener.
+ */
+ public void addFrameListener(
+ EglRenderer.FrameListener listener, float scale, RendererCommon.GlDrawer drawerParam) {
+ eglRenderer.addFrameListener(listener, scale, drawerParam);
+ }
+
+ /**
+ * Register a callback to be invoked when a new video frame has been received. This version uses
+ * the drawer of the EglRenderer that was passed in init.
+ *
+ * @param listener The callback to be invoked. The callback will be invoked on the render thread.
+ * It should be lightweight and must not call removeFrameListener.
+ * @param scale The scale of the Bitmap passed to the callback, or 0 if no Bitmap is
+ * required.
+ */
+ public void addFrameListener(EglRenderer.FrameListener listener, float scale) {
+ eglRenderer.addFrameListener(listener, scale);
+ }
+
+ public void removeFrameListener(EglRenderer.FrameListener listener) {
+ eglRenderer.removeFrameListener(listener);
+ }
+
+ /**
+ * Enables fixed size for the surface. This provides better performance but might be buggy on some
+ * devices. By default this is turned off.
+ */
+ public void setEnableHardwareScaler(boolean enabled) {
+ ThreadUtils.checkIsOnMainThread();
+ enableFixedSize = enabled;
+ updateSurfaceSize();
+ }
+
+ /**
+ * Set if the video stream should be mirrored or not.
+ */
+ public void setMirror(final boolean mirror) {
+ eglRenderer.setMirror(mirror);
+ }
+
+ /**
+ * Set how the video will fill the allowed layout area.
+ */
+ public void setScalingType(RendererCommon.ScalingType scalingType) {
+ ThreadUtils.checkIsOnMainThread();
+ videoLayoutMeasure.setScalingType(scalingType);
+ requestLayout();
+ }
+
+ public void setScalingType(RendererCommon.ScalingType scalingTypeMatchOrientation,
+ RendererCommon.ScalingType scalingTypeMismatchOrientation) {
+ ThreadUtils.checkIsOnMainThread();
+ videoLayoutMeasure.setScalingType(scalingTypeMatchOrientation, scalingTypeMismatchOrientation);
+ requestLayout();
+ }
+
+ /**
+ * Limit render framerate.
+ *
+ * @param fps Limit render framerate to this value, or use Float.POSITIVE_INFINITY to disable fps
+ * reduction.
+ */
+ public void setFpsReduction(float fps) {
+ eglRenderer.setFpsReduction(fps);
+ }
+
+ public void disableFpsReduction() {
+ eglRenderer.disableFpsReduction();
+ }
+
+ public void pauseVideo() {
+ eglRenderer.pauseVideo();
+ }
+
+ // VideoSink interface.
+ @Override
+ public void onFrame(VideoFrame frame) {
+ eglRenderer.onFrame(frame);
+ }
+
+ // View layout interface.
+ @Override
+ protected void onMeasure(int widthSpec, int heightSpec) {
+ ThreadUtils.checkIsOnMainThread();
+ Point size =
+ videoLayoutMeasure.measure(widthSpec, heightSpec, rotatedFrameWidth, rotatedFrameHeight);
+ setMeasuredDimension(size.x, size.y);
+ logD("onMeasure(). New size: " + size.x + "x" + size.y);
+ }
+
+ @Override
+ protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+ ThreadUtils.checkIsOnMainThread();
+ eglRenderer.setLayoutAspectRatio((right - left) / (float) (bottom - top));
+ updateSurfaceSize();
+ }
+
+ private void updateSurfaceSize() {
+ ThreadUtils.checkIsOnMainThread();
+ if (enableFixedSize && rotatedFrameWidth != 0 && rotatedFrameHeight != 0 && getWidth() != 0
+ && getHeight() != 0) {
+ final float layoutAspectRatio = getWidth() / (float) getHeight();
+ final float frameAspectRatio = rotatedFrameWidth / (float) rotatedFrameHeight;
+ final int drawnFrameWidth;
+ final int drawnFrameHeight;
+ if (frameAspectRatio > layoutAspectRatio) {
+ drawnFrameWidth = (int) (rotatedFrameHeight * layoutAspectRatio);
+ drawnFrameHeight = rotatedFrameHeight;
+ } else {
+ drawnFrameWidth = rotatedFrameWidth;
+ drawnFrameHeight = (int) (rotatedFrameWidth / layoutAspectRatio);
+ }
+ // Aspect ratio of the drawn frame and the view is the same.
+ final int width = Math.min(getWidth(), drawnFrameWidth);
+ final int height = Math.min(getHeight(), drawnFrameHeight);
+ logD("updateSurfaceSize. Layout size: " + getWidth() + "x" + getHeight() + ", frame size: "
+ + rotatedFrameWidth + "x" + rotatedFrameHeight + ", requested surface size: " + width
+ + "x" + height + ", old surface size: " + surfaceWidth + "x" + surfaceHeight);
+ if (width != surfaceWidth || height != surfaceHeight) {
+ surfaceWidth = width;
+ surfaceHeight = height;
+ getHolder().setFixedSize(width, height);
+ }
+ } else {
+ surfaceWidth = surfaceHeight = 0;
+ getHolder().setSizeFromLayout();
+ }
+ }
+
+ // SurfaceHolder.Callback interface.
+ @Override
+ public void surfaceCreated(final SurfaceHolder holder) {
+ ThreadUtils.checkIsOnMainThread();
+ surfaceWidth = surfaceHeight = 0;
+ updateSurfaceSize();
+ }
+
+ @Override
+ public void surfaceDestroyed(SurfaceHolder holder) {}
+
+ @Override
+ public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {}
+
+ private String getResourceName() {
+ try {
+ return getResources().getResourceEntryName(getId());
+ } catch (NotFoundException e) {
+ return "";
+ }
+ }
+
+ /**
+ * Post a task to clear the SurfaceView to a transparent uniform color.
+ */
+ public void clearImage() {
+ eglRenderer.clearImage();
+ }
+
+ @Override
+ public void onFirstFrameRendered() {
+ if (rendererEvents != null) {
+ rendererEvents.onFirstFrameRendered();
+ }
+ }
+
+ @Override
+ public void onFrameResolutionChanged(int videoWidth, int videoHeight, int rotation) {
+ if (rendererEvents != null) {
+ rendererEvents.onFrameResolutionChanged(videoWidth, videoHeight, rotation);
+ }
+ int rotatedWidth = rotation == 0 || rotation == 180 ? videoWidth : videoHeight;
+ int rotatedHeight = rotation == 0 || rotation == 180 ? videoHeight : videoWidth;
+ // run immediately if possible for ui thread tests
+ postOrRun(() -> {
+ rotatedFrameWidth = rotatedWidth;
+ rotatedFrameHeight = rotatedHeight;
+ updateSurfaceSize();
+ requestLayout();
+ });
+ }
+
+ private void postOrRun(Runnable r) {
+ if (Thread.currentThread() == Looper.getMainLooper().getThread()) {
+ r.run();
+ } else {
+ post(r);
+ }
+ }
+
+ private void logD(String string) {
+ Logging.d(TAG, resourceName + ": " + string);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/TextureBufferImpl.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/TextureBufferImpl.java
new file mode 100644
index 0000000000..8e0e40ef70
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/TextureBufferImpl.java
@@ -0,0 +1,203 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.graphics.Matrix;
+import android.os.Handler;
+import androidx.annotation.Nullable;
+
+/**
+ * Android texture buffer that glues together the necessary information together with a generic
+ * release callback. ToI420() is implemented by providing a Handler and a YuvConverter.
+ */
+public class TextureBufferImpl implements VideoFrame.TextureBuffer {
+ interface RefCountMonitor {
+ void onRetain(TextureBufferImpl textureBuffer);
+ void onRelease(TextureBufferImpl textureBuffer);
+ void onDestroy(TextureBufferImpl textureBuffer);
+ }
+
+ // This is the full resolution the texture has in memory after applying the transformation matrix
+ // that might include cropping. This resolution is useful to know when sampling the texture to
+ // avoid downscaling artifacts.
+ private final int unscaledWidth;
+ private final int unscaledHeight;
+ // This is the resolution that has been applied after cropAndScale().
+ private final int width;
+ private final int height;
+ private final Type type;
+ private final int id;
+ private final Matrix transformMatrix;
+ private final Handler toI420Handler;
+ private final YuvConverter yuvConverter;
+ private final RefCountDelegate refCountDelegate;
+ private final RefCountMonitor refCountMonitor;
+
+ public TextureBufferImpl(int width, int height, Type type, int id, Matrix transformMatrix,
+ Handler toI420Handler, YuvConverter yuvConverter, @Nullable Runnable releaseCallback) {
+ this(width, height, width, height, type, id, transformMatrix, toI420Handler, yuvConverter,
+ new RefCountMonitor() {
+ @Override
+ public void onRetain(TextureBufferImpl textureBuffer) {}
+
+ @Override
+ public void onRelease(TextureBufferImpl textureBuffer) {}
+
+ @Override
+ public void onDestroy(TextureBufferImpl textureBuffer) {
+ if (releaseCallback != null) {
+ releaseCallback.run();
+ }
+ }
+ });
+ }
+
+ TextureBufferImpl(int width, int height, Type type, int id, Matrix transformMatrix,
+ Handler toI420Handler, YuvConverter yuvConverter, RefCountMonitor refCountMonitor) {
+ this(width, height, width, height, type, id, transformMatrix, toI420Handler, yuvConverter,
+ refCountMonitor);
+ }
+
+ private TextureBufferImpl(int unscaledWidth, int unscaledHeight, int width, int height, Type type,
+ int id, Matrix transformMatrix, Handler toI420Handler, YuvConverter yuvConverter,
+ RefCountMonitor refCountMonitor) {
+ this.unscaledWidth = unscaledWidth;
+ this.unscaledHeight = unscaledHeight;
+ this.width = width;
+ this.height = height;
+ this.type = type;
+ this.id = id;
+ this.transformMatrix = transformMatrix;
+ this.toI420Handler = toI420Handler;
+ this.yuvConverter = yuvConverter;
+ this.refCountDelegate = new RefCountDelegate(() -> refCountMonitor.onDestroy(this));
+ this.refCountMonitor = refCountMonitor;
+ }
+
+ @Override
+ public VideoFrame.TextureBuffer.Type getType() {
+ return type;
+ }
+
+ @Override
+ public int getTextureId() {
+ return id;
+ }
+
+ @Override
+ public Matrix getTransformMatrix() {
+ return transformMatrix;
+ }
+
+ @Override
+ public int getWidth() {
+ return width;
+ }
+
+ @Override
+ public int getHeight() {
+ return height;
+ }
+
+ @Override
+ public VideoFrame.I420Buffer toI420() {
+ return ThreadUtils.invokeAtFrontUninterruptibly(
+ toI420Handler, () -> yuvConverter.convert(this));
+ }
+
+ @Override
+ public void retain() {
+ refCountMonitor.onRetain(this);
+ refCountDelegate.retain();
+ }
+
+ @Override
+ public void release() {
+ refCountMonitor.onRelease(this);
+ refCountDelegate.release();
+ }
+
+ @Override
+ public VideoFrame.Buffer cropAndScale(
+ int cropX, int cropY, int cropWidth, int cropHeight, int scaleWidth, int scaleHeight) {
+ final Matrix cropAndScaleMatrix = new Matrix();
+ // In WebRTC, Y=0 is the top row, while in OpenGL Y=0 is the bottom row. This means that the Y
+ // direction is effectively reversed.
+ final int cropYFromBottom = height - (cropY + cropHeight);
+ cropAndScaleMatrix.preTranslate(cropX / (float) width, cropYFromBottom / (float) height);
+ cropAndScaleMatrix.preScale(cropWidth / (float) width, cropHeight / (float) height);
+
+ return applyTransformMatrix(cropAndScaleMatrix,
+ Math.round(unscaledWidth * cropWidth / (float) width),
+ Math.round(unscaledHeight * cropHeight / (float) height), scaleWidth, scaleHeight);
+ }
+
+ /**
+ * Returns the width of the texture in memory. This should only be used for downscaling, and you
+ * should still respect the width from getWidth().
+ */
+ public int getUnscaledWidth() {
+ return unscaledWidth;
+ }
+
+ /**
+ * Returns the height of the texture in memory. This should only be used for downscaling, and you
+ * should still respect the height from getHeight().
+ */
+ public int getUnscaledHeight() {
+ return unscaledHeight;
+ }
+
+ public Handler getToI420Handler() {
+ return toI420Handler;
+ }
+
+ public YuvConverter getYuvConverter() {
+ return yuvConverter;
+ }
+
+ /**
+ * Create a new TextureBufferImpl with an applied transform matrix and a new size. The
+ * existing buffer is unchanged. The given transform matrix is applied first when texture
+ * coordinates are still in the unmodified [0, 1] range.
+ */
+ @Override
+ public TextureBufferImpl applyTransformMatrix(
+ Matrix transformMatrix, int newWidth, int newHeight) {
+ return applyTransformMatrix(transformMatrix, /* unscaledWidth= */ newWidth,
+ /* unscaledHeight= */ newHeight, /* scaledWidth= */ newWidth,
+ /* scaledHeight= */ newHeight);
+ }
+
+ private TextureBufferImpl applyTransformMatrix(Matrix transformMatrix, int unscaledWidth,
+ int unscaledHeight, int scaledWidth, int scaledHeight) {
+ final Matrix newMatrix = new Matrix(this.transformMatrix);
+ newMatrix.preConcat(transformMatrix);
+ retain();
+ return new TextureBufferImpl(unscaledWidth, unscaledHeight, scaledWidth, scaledHeight, type, id,
+ newMatrix, toI420Handler, yuvConverter, new RefCountMonitor() {
+ @Override
+ public void onRetain(TextureBufferImpl textureBuffer) {
+ refCountMonitor.onRetain(TextureBufferImpl.this);
+ }
+
+ @Override
+ public void onRelease(TextureBufferImpl textureBuffer) {
+ refCountMonitor.onRelease(TextureBufferImpl.this);
+ }
+
+ @Override
+ public void onDestroy(TextureBufferImpl textureBuffer) {
+ release();
+ }
+ });
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/TimestampAligner.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/TimestampAligner.java
new file mode 100644
index 0000000000..d96c939595
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/TimestampAligner.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * The TimestampAligner class helps translating camera timestamps into the same timescale as is
+ * used by rtc::TimeNanos(). Some cameras have built in timestamping which is more accurate than
+ * reading the system clock, but using a different epoch and unknown clock drift. Frame timestamps
+ * in webrtc should use rtc::TimeNanos (system monotonic time), and this class provides a filter
+ * which lets us use the rtc::TimeNanos timescale, and at the same time take advantage of higher
+ * accuracy of the camera clock. This class is a wrapper on top of rtc::TimestampAligner.
+ */
+public class TimestampAligner {
+ /**
+ * Wrapper around rtc::TimeNanos(). This is normally same as System.nanoTime(), but call this
+ * function to be safe.
+ */
+ public static long getRtcTimeNanos() {
+ return nativeRtcTimeNanos();
+ }
+
+ private volatile long nativeTimestampAligner = nativeCreateTimestampAligner();
+
+ /**
+ * Translates camera timestamps to the same timescale as is used by rtc::TimeNanos().
+ * `cameraTimeNs` is assumed to be accurate, but with an unknown epoch and clock drift. Returns
+ * the translated timestamp.
+ */
+ public long translateTimestamp(long cameraTimeNs) {
+ checkNativeAlignerExists();
+ return nativeTranslateTimestamp(nativeTimestampAligner, cameraTimeNs);
+ }
+
+ /** Dispose native timestamp aligner. */
+ public void dispose() {
+ checkNativeAlignerExists();
+ nativeReleaseTimestampAligner(nativeTimestampAligner);
+ nativeTimestampAligner = 0;
+ }
+
+ private void checkNativeAlignerExists() {
+ if (nativeTimestampAligner == 0) {
+ throw new IllegalStateException("TimestampAligner has been disposed.");
+ }
+ }
+
+ private static native long nativeRtcTimeNanos();
+ private static native long nativeCreateTimestampAligner();
+ private static native void nativeReleaseTimestampAligner(long timestampAligner);
+ private static native long nativeTranslateTimestamp(long timestampAligner, long cameraTimeNs);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/TurnCustomizer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/TurnCustomizer.java
new file mode 100644
index 0000000000..41bedb7dcb
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/TurnCustomizer.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/** Java wrapper for a C++ TurnCustomizer. */
+public class TurnCustomizer {
+ private long nativeTurnCustomizer;
+
+ public TurnCustomizer(long nativeTurnCustomizer) {
+ this.nativeTurnCustomizer = nativeTurnCustomizer;
+ }
+
+ public void dispose() {
+ checkTurnCustomizerExists();
+ nativeFreeTurnCustomizer(nativeTurnCustomizer);
+ nativeTurnCustomizer = 0;
+ }
+
+ private static native void nativeFreeTurnCustomizer(long turnCustomizer);
+
+ /** Return a pointer to webrtc::TurnCustomizer. */
+ @CalledByNative
+ long getNativeTurnCustomizer() {
+ checkTurnCustomizerExists();
+ return nativeTurnCustomizer;
+ }
+
+ private void checkTurnCustomizerExists() {
+ if (nativeTurnCustomizer == 0) {
+ throw new IllegalStateException("TurnCustomizer has been disposed.");
+ }
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCapturer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCapturer.java
new file mode 100644
index 0000000000..67eb7ab086
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCapturer.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.content.Context;
+
+// Base interface for all VideoCapturers to implement.
+public interface VideoCapturer {
+ /**
+ * This function is used to initialize the camera thread, the android application context, and the
+ * capture observer. It will be called only once and before any startCapture() request. The
+ * camera thread is guaranteed to be valid until dispose() is called. If the VideoCapturer wants
+ * to deliver texture frames, it should do this by rendering on the SurfaceTexture in
+ * {@code surfaceTextureHelper}, register itself as a listener, and forward the frames to
+ * CapturerObserver.onFrameCaptured(). The caller still has ownership of {@code
+ * surfaceTextureHelper} and is responsible for making sure surfaceTextureHelper.dispose() is
+ * called. This also means that the caller can reuse the SurfaceTextureHelper to initialize a new
+ * VideoCapturer once the previous VideoCapturer has been disposed.
+ */
+ void initialize(SurfaceTextureHelper surfaceTextureHelper, Context applicationContext,
+ CapturerObserver capturerObserver);
+
+ /**
+ * Start capturing frames in a format that is as close as possible to {@code width x height} and
+ * {@code framerate}.
+ */
+ void startCapture(int width, int height, int framerate);
+
+ /**
+ * Stop capturing. This function should block until capture is actually stopped.
+ */
+ void stopCapture() throws InterruptedException;
+
+ void changeCaptureFormat(int width, int height, int framerate);
+
+ /**
+ * Perform any final cleanup here. No more capturing will be done after this call.
+ */
+ void dispose();
+
+ /**
+ * @return true if-and-only-if this is a screen capturer.
+ */
+ boolean isScreencast();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java
new file mode 100644
index 0000000000..363be347b5
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+import java.util.Arrays;
+import java.util.Locale;
+import java.util.Map;
+
+/**
+ * Represent a video codec as encoded in SDP.
+ */
+public class VideoCodecInfo {
+ // Keys for H264 VideoCodecInfo properties.
+ public static final String H264_FMTP_PROFILE_LEVEL_ID = "profile-level-id";
+ public static final String H264_FMTP_LEVEL_ASYMMETRY_ALLOWED = "level-asymmetry-allowed";
+ public static final String H264_FMTP_PACKETIZATION_MODE = "packetization-mode";
+
+ public static final String H264_PROFILE_CONSTRAINED_BASELINE = "42e0";
+ public static final String H264_PROFILE_CONSTRAINED_HIGH = "640c";
+ public static final String H264_LEVEL_3_1 = "1f"; // 31 in hex.
+ public static final String H264_CONSTRAINED_HIGH_3_1 =
+ H264_PROFILE_CONSTRAINED_HIGH + H264_LEVEL_3_1;
+ public static final String H264_CONSTRAINED_BASELINE_3_1 =
+ H264_PROFILE_CONSTRAINED_BASELINE + H264_LEVEL_3_1;
+
+ public final String name;
+ public final Map<String, String> params;
+ @Deprecated public final int payload;
+
+ @CalledByNative
+ public VideoCodecInfo(String name, Map<String, String> params) {
+ this.payload = 0;
+ this.name = name;
+ this.params = params;
+ }
+
+ @Deprecated
+ public VideoCodecInfo(int payload, String name, Map<String, String> params) {
+ this.payload = payload;
+ this.name = name;
+ this.params = params;
+ }
+
+ @Override
+ public boolean equals(@Nullable Object obj) {
+ if (obj == null)
+ return false;
+ if (obj == this)
+ return true;
+ if (!(obj instanceof VideoCodecInfo))
+ return false;
+
+ VideoCodecInfo otherInfo = (VideoCodecInfo) obj;
+ return name.equalsIgnoreCase(otherInfo.name) && params.equals(otherInfo.params);
+ }
+
+ @Override
+ public int hashCode() {
+ Object[] values = {name.toUpperCase(Locale.ROOT), params};
+ return Arrays.hashCode(values);
+ }
+
+ @Override
+ public String toString() {
+ return "VideoCodec{" + name + " " + params + "}";
+ }
+
+ @CalledByNative
+ String getName() {
+ return name;
+ }
+
+ @CalledByNative
+ Map<String, String> getParams() {
+ return params;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCodecStatus.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCodecStatus.java
new file mode 100644
index 0000000000..670d255880
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoCodecStatus.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Status codes reported by video encoding/decoding components. This should be kept in sync with
+ * video_error_codes.h.
+ */
+public enum VideoCodecStatus {
+ TARGET_BITRATE_OVERSHOOT(5),
+ REQUEST_SLI(2),
+ NO_OUTPUT(1),
+ OK(0),
+ ERROR(-1),
+ LEVEL_EXCEEDED(-2),
+ MEMORY(-3),
+ ERR_PARAMETER(-4),
+ ERR_SIZE(-5),
+ TIMEOUT(-6),
+ UNINITIALIZED(-7),
+ ERR_REQUEST_SLI(-12),
+ FALLBACK_SOFTWARE(-13);
+
+ private final int number;
+
+ private VideoCodecStatus(int number) {
+ this.number = number;
+ }
+
+ @CalledByNative
+ public int getNumber() {
+ return number;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoder.java
new file mode 100644
index 0000000000..a80fa4fef2
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoder.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Interface for a video decoder that can be used in WebRTC. All calls to the class will be made on
+ * a single decoding thread.
+ */
+public interface VideoDecoder {
+ /** Settings passed to the decoder by WebRTC. */
+ public class Settings {
+ public final int numberOfCores;
+ public final int width;
+ public final int height;
+
+ @CalledByNative("Settings")
+ public Settings(int numberOfCores, int width, int height) {
+ this.numberOfCores = numberOfCores;
+ this.width = width;
+ this.height = height;
+ }
+ }
+
+ /** Additional info for decoding. */
+ public class DecodeInfo {
+ public final boolean isMissingFrames;
+ public final long renderTimeMs;
+
+ public DecodeInfo(boolean isMissingFrames, long renderTimeMs) {
+ this.isMissingFrames = isMissingFrames;
+ this.renderTimeMs = renderTimeMs;
+ }
+ }
+
+ public interface Callback {
+ /**
+ * Call to return a decoded frame. Can be called on any thread.
+ *
+ * @param frame Decoded frame
+ * @param decodeTimeMs Time it took to decode the frame in milliseconds or null if not available
+ * @param qp QP value of the decoded frame or null if not available
+ */
+ void onDecodedFrame(VideoFrame frame, Integer decodeTimeMs, Integer qp);
+ }
+
+ /**
+ * The decoder implementation backing this interface is either 1) a Java
+ * decoder (e.g., an Android platform decoder), or alternatively 2) a native
+ * decoder (e.g., a software decoder or a C++ decoder adapter).
+ *
+ * For case 1), createNativeVideoDecoder() should return zero.
+ * In this case, we expect the native library to call the decoder through
+ * JNI using the Java interface declared below.
+ *
+ * For case 2), createNativeVideoDecoder() should return a non-zero value.
+ * In this case, we expect the native library to treat the returned value as
+ * a raw pointer of type webrtc::VideoDecoder* (ownership is transferred to
+ * the caller). The native library should then directly call the
+ * webrtc::VideoDecoder interface without going through JNI. All calls to
+ * the Java interface methods declared below should thus throw an
+ * UnsupportedOperationException.
+ */
+ @CalledByNative
+ default long createNativeVideoDecoder() {
+ return 0;
+ }
+
+ /**
+ * Initializes the decoding process with specified settings. Will be called on the decoding thread
+ * before any decode calls.
+ */
+ @CalledByNative VideoCodecStatus initDecode(Settings settings, Callback decodeCallback);
+ /**
+ * Called when the decoder is no longer needed. Any more calls to decode will not be made.
+ */
+ @CalledByNative VideoCodecStatus release();
+ /**
+ * Request the decoder to decode a frame.
+ */
+ @CalledByNative VideoCodecStatus decode(EncodedImage frame, DecodeInfo info);
+ /**
+ * Should return a descriptive name for the implementation. Gets called once and cached. May be
+ * called from arbitrary thread.
+ */
+ @CalledByNative String getImplementationName();
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoderFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoderFactory.java
new file mode 100644
index 0000000000..8b25516e99
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoderFactory.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+
+/** Factory for creating VideoDecoders. */
+public interface VideoDecoderFactory {
+ /**
+ * Creates a VideoDecoder for the given codec. Supports the same codecs supported by
+ * VideoEncoderFactory.
+ */
+ @Nullable @CalledByNative VideoDecoder createDecoder(VideoCodecInfo info);
+
+ /**
+ * Enumerates the list of supported video codecs.
+ */
+ @CalledByNative
+ default VideoCodecInfo[] getSupportedCodecs() {
+ return new VideoCodecInfo[0];
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoderFallback.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoderFallback.java
new file mode 100644
index 0000000000..ddfa3ecd40
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoDecoderFallback.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * A combined video decoder that falls back on a secondary decoder if the primary decoder fails.
+ */
+public class VideoDecoderFallback extends WrappedNativeVideoDecoder {
+ private final VideoDecoder fallback;
+ private final VideoDecoder primary;
+
+ public VideoDecoderFallback(VideoDecoder fallback, VideoDecoder primary) {
+ this.fallback = fallback;
+ this.primary = primary;
+ }
+
+ @Override
+ public long createNativeVideoDecoder() {
+ return nativeCreateDecoder(fallback, primary);
+ }
+
+ private static native long nativeCreateDecoder(VideoDecoder fallback, VideoDecoder primary);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoder.java
new file mode 100644
index 0000000000..0d8cf830ae
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoder.java
@@ -0,0 +1,385 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+import org.webrtc.EncodedImage;
+
+/**
+ * Interface for a video encoder that can be used with WebRTC. All calls will be made on the
+ * encoding thread. The encoder may be constructed on a different thread and changing thread after
+ * calling release is allowed.
+ */
+public interface VideoEncoder {
+ /** Settings passed to the encoder by WebRTC. */
+ public class Settings {
+ public final int numberOfCores;
+ public final int width;
+ public final int height;
+ public final int startBitrate; // Kilobits per second.
+ public final int maxFramerate;
+ public final int numberOfSimulcastStreams;
+ public final boolean automaticResizeOn;
+ public final Capabilities capabilities;
+
+ // TODO(bugs.webrtc.org/10720): Remove.
+ @Deprecated
+ public Settings(int numberOfCores, int width, int height, int startBitrate, int maxFramerate,
+ int numberOfSimulcastStreams, boolean automaticResizeOn) {
+ this(numberOfCores, width, height, startBitrate, maxFramerate, numberOfSimulcastStreams,
+ automaticResizeOn, new VideoEncoder.Capabilities(false /* lossNotification */));
+ }
+
+ @CalledByNative("Settings")
+ public Settings(int numberOfCores, int width, int height, int startBitrate, int maxFramerate,
+ int numberOfSimulcastStreams, boolean automaticResizeOn, Capabilities capabilities) {
+ this.numberOfCores = numberOfCores;
+ this.width = width;
+ this.height = height;
+ this.startBitrate = startBitrate;
+ this.maxFramerate = maxFramerate;
+ this.numberOfSimulcastStreams = numberOfSimulcastStreams;
+ this.automaticResizeOn = automaticResizeOn;
+ this.capabilities = capabilities;
+ }
+ }
+
+ /** Capabilities (loss notification, etc.) passed to the encoder by WebRTC. */
+ public class Capabilities {
+ /**
+ * The remote side has support for the loss notification RTCP feedback message format, and will
+ * be sending these feedback messages if necessary.
+ */
+ public final boolean lossNotification;
+
+ @CalledByNative("Capabilities")
+ public Capabilities(boolean lossNotification) {
+ this.lossNotification = lossNotification;
+ }
+ }
+
+ /** Additional info for encoding. */
+ public class EncodeInfo {
+ public final EncodedImage.FrameType[] frameTypes;
+
+ @CalledByNative("EncodeInfo")
+ public EncodeInfo(EncodedImage.FrameType[] frameTypes) {
+ this.frameTypes = frameTypes;
+ }
+ }
+
+ // TODO(sakal): Add values to these classes as necessary.
+ /** Codec specific information about the encoded frame. */
+ public class CodecSpecificInfo {}
+
+ public class CodecSpecificInfoVP8 extends CodecSpecificInfo {}
+
+ public class CodecSpecificInfoVP9 extends CodecSpecificInfo {}
+
+ public class CodecSpecificInfoH264 extends CodecSpecificInfo {}
+
+ public class CodecSpecificInfoAV1 extends CodecSpecificInfo {}
+
+ /**
+ * Represents bitrate allocated for an encoder to produce frames. Bitrate can be divided between
+ * spatial and temporal layers.
+ */
+ public class BitrateAllocation {
+ // First index is the spatial layer and second the temporal layer.
+ public final int[][] bitratesBbs;
+
+ /**
+ * Initializes the allocation with a two dimensional array of bitrates. The first index of the
+ * array is the spatial layer and the second index in the temporal layer.
+ */
+ @CalledByNative("BitrateAllocation")
+ public BitrateAllocation(int[][] bitratesBbs) {
+ this.bitratesBbs = bitratesBbs;
+ }
+
+ /**
+ * Gets the total bitrate allocated for all layers.
+ */
+ public int getSum() {
+ int sum = 0;
+ for (int[] spatialLayer : bitratesBbs) {
+ for (int bitrate : spatialLayer) {
+ sum += bitrate;
+ }
+ }
+ return sum;
+ }
+ }
+
+ /** Settings for WebRTC quality based scaling. */
+ public class ScalingSettings {
+ public final boolean on;
+ @Nullable public final Integer low;
+ @Nullable public final Integer high;
+
+ /**
+ * Settings to disable quality based scaling.
+ */
+ public static final ScalingSettings OFF = new ScalingSettings();
+
+ /**
+ * Creates settings to enable quality based scaling.
+ *
+ * @param low Average QP at which to scale up the resolution.
+ * @param high Average QP at which to scale down the resolution.
+ */
+ public ScalingSettings(int low, int high) {
+ this.on = true;
+ this.low = low;
+ this.high = high;
+ }
+
+ private ScalingSettings() {
+ this.on = false;
+ this.low = null;
+ this.high = null;
+ }
+
+ // TODO(bugs.webrtc.org/8830): Below constructors are deprecated.
+ // Default thresholds are going away, so thresholds have to be set
+ // when scaling is on.
+ /**
+ * Creates quality based scaling setting.
+ *
+ * @param on True if quality scaling is turned on.
+ */
+ @Deprecated
+ public ScalingSettings(boolean on) {
+ this.on = on;
+ this.low = null;
+ this.high = null;
+ }
+
+ /**
+ * Creates quality based scaling settings with custom thresholds.
+ *
+ * @param on True if quality scaling is turned on.
+ * @param low Average QP at which to scale up the resolution.
+ * @param high Average QP at which to scale down the resolution.
+ */
+ @Deprecated
+ public ScalingSettings(boolean on, int low, int high) {
+ this.on = on;
+ this.low = low;
+ this.high = high;
+ }
+
+ @Override
+ public String toString() {
+ return on ? "[ " + low + ", " + high + " ]" : "OFF";
+ }
+ }
+
+ /**
+ * Bitrate limits for resolution.
+ */
+ public class ResolutionBitrateLimits {
+ /**
+ * Maximum size of video frame, in pixels, the bitrate limits are intended for.
+ */
+ public final int frameSizePixels;
+
+ /**
+ * Recommended minimum bitrate to start encoding.
+ */
+ public final int minStartBitrateBps;
+
+ /**
+ * Recommended minimum bitrate.
+ */
+ public final int minBitrateBps;
+
+ /**
+ * Recommended maximum bitrate.
+ */
+ public final int maxBitrateBps;
+
+ public ResolutionBitrateLimits(
+ int frameSizePixels, int minStartBitrateBps, int minBitrateBps, int maxBitrateBps) {
+ this.frameSizePixels = frameSizePixels;
+ this.minStartBitrateBps = minStartBitrateBps;
+ this.minBitrateBps = minBitrateBps;
+ this.maxBitrateBps = maxBitrateBps;
+ }
+
+ @CalledByNative("ResolutionBitrateLimits")
+ public int getFrameSizePixels() {
+ return frameSizePixels;
+ }
+
+ @CalledByNative("ResolutionBitrateLimits")
+ public int getMinStartBitrateBps() {
+ return minStartBitrateBps;
+ }
+
+ @CalledByNative("ResolutionBitrateLimits")
+ public int getMinBitrateBps() {
+ return minBitrateBps;
+ }
+
+ @CalledByNative("ResolutionBitrateLimits")
+ public int getMaxBitrateBps() {
+ return maxBitrateBps;
+ }
+ }
+
+ /** Rate control parameters. */
+ public class RateControlParameters {
+ /**
+ * Adjusted target bitrate, per spatial/temporal layer. May be lower or higher than the target
+ * depending on encoder behaviour.
+ */
+ public final BitrateAllocation bitrate;
+
+ /**
+ * Target framerate, in fps. A value <= 0.0 is invalid and should be interpreted as framerate
+ * target not available. In this case the encoder should fall back to the max framerate
+ * specified in `codec_settings` of the last InitEncode() call.
+ */
+ public final double framerateFps;
+
+ @CalledByNative("RateControlParameters")
+ public RateControlParameters(BitrateAllocation bitrate, double framerateFps) {
+ this.bitrate = bitrate;
+ this.framerateFps = framerateFps;
+ }
+ }
+
+ /**
+ * Metadata about the Encoder.
+ */
+ public class EncoderInfo {
+ /**
+ * The width and height of the incoming video frames should be divisible by
+ * |requested_resolution_alignment|
+ */
+ public final int requestedResolutionAlignment;
+
+ /**
+ * Same as above but if true, each simulcast layer should also be divisible by
+ * |requested_resolution_alignment|.
+ */
+ public final boolean applyAlignmentToAllSimulcastLayers;
+
+ public EncoderInfo(
+ int requestedResolutionAlignment, boolean applyAlignmentToAllSimulcastLayers) {
+ this.requestedResolutionAlignment = requestedResolutionAlignment;
+ this.applyAlignmentToAllSimulcastLayers = applyAlignmentToAllSimulcastLayers;
+ }
+
+ @CalledByNative("EncoderInfo")
+ public int getRequestedResolutionAlignment() {
+ return requestedResolutionAlignment;
+ }
+
+ @CalledByNative("EncoderInfo")
+ public boolean getApplyAlignmentToAllSimulcastLayers() {
+ return applyAlignmentToAllSimulcastLayers;
+ }
+ }
+
+ public interface Callback {
+ /**
+ * Old encoders assume that the byte buffer held by `frame` is not accessed after the call to
+ * this method returns. If the pipeline downstream needs to hold on to the buffer, it then has
+ * to make its own copy. We want to move to a model where no copying is needed, and instead use
+ * retain()/release() to signal to the encoder when it is safe to reuse the buffer.
+ *
+ * Over the transition, implementations of this class should use the maybeRetain() method if
+ * they want to keep a reference to the buffer, and fall back to copying if that method returns
+ * false.
+ */
+ void onEncodedFrame(EncodedImage frame, CodecSpecificInfo info);
+ }
+
+ /**
+ * The encoder implementation backing this interface is either 1) a Java
+ * encoder (e.g., an Android platform encoder), or alternatively 2) a native
+ * encoder (e.g., a software encoder or a C++ encoder adapter).
+ *
+ * For case 1), createNativeVideoEncoder() should return zero.
+ * In this case, we expect the native library to call the encoder through
+ * JNI using the Java interface declared below.
+ *
+ * For case 2), createNativeVideoEncoder() should return a non-zero value.
+ * In this case, we expect the native library to treat the returned value as
+ * a raw pointer of type webrtc::VideoEncoder* (ownership is transferred to
+ * the caller). The native library should then directly call the
+ * webrtc::VideoEncoder interface without going through JNI. All calls to
+ * the Java interface methods declared below should thus throw an
+ * UnsupportedOperationException.
+ */
+ @CalledByNative
+ default long createNativeVideoEncoder() {
+ return 0;
+ }
+
+ /**
+ * Returns true if the encoder is backed by hardware.
+ */
+ @CalledByNative
+ default boolean isHardwareEncoder() {
+ return true;
+ }
+
+ /**
+ * Initializes the encoding process. Call before any calls to encode.
+ */
+ @CalledByNative VideoCodecStatus initEncode(Settings settings, Callback encodeCallback);
+
+ /**
+ * Releases the encoder. No more calls to encode will be made after this call.
+ */
+ @CalledByNative VideoCodecStatus release();
+
+ /**
+ * Requests the encoder to encode a frame.
+ */
+ @CalledByNative VideoCodecStatus encode(VideoFrame frame, EncodeInfo info);
+
+ /** Sets the bitrate allocation and the target framerate for the encoder. */
+ VideoCodecStatus setRateAllocation(BitrateAllocation allocation, int framerate);
+
+ /** Sets the bitrate allocation and the target framerate for the encoder. */
+ default @CalledByNative VideoCodecStatus setRates(RateControlParameters rcParameters) {
+ // Round frame rate up to avoid overshoots.
+ int framerateFps = (int) Math.ceil(rcParameters.framerateFps);
+ return setRateAllocation(rcParameters.bitrate, framerateFps);
+ }
+
+ /** Any encoder that wants to use WebRTC provided quality scaler must implement this method. */
+ @CalledByNative ScalingSettings getScalingSettings();
+
+ /** Returns the list of bitrate limits. */
+ @CalledByNative
+ default ResolutionBitrateLimits[] getResolutionBitrateLimits() {
+ // TODO(ssilkin): Update downstream projects and remove default implementation.
+ ResolutionBitrateLimits bitrate_limits[] = {};
+ return bitrate_limits;
+ }
+
+ /**
+ * Should return a descriptive name for the implementation. Gets called once and cached. May be
+ * called from arbitrary thread.
+ */
+ @CalledByNative String getImplementationName();
+
+ @CalledByNative
+ default EncoderInfo getEncoderInfo() {
+ return new EncoderInfo(
+ /* requestedResolutionAlignment= */ 1, /* applyAlignmentToAllSimulcastLayers= */ false);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoderFactory.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoderFactory.java
new file mode 100644
index 0000000000..2a46662d14
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoderFactory.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+
+/** Factory for creating VideoEncoders. */
+public interface VideoEncoderFactory {
+ public interface VideoEncoderSelector {
+ /** Called with the VideoCodecInfo of the currently used encoder. */
+ @CalledByNative("VideoEncoderSelector") void onCurrentEncoder(VideoCodecInfo info);
+
+ /**
+ * Called with the current available bitrate. Returns null if the encoder selector prefers to
+ * keep the current encoder or a VideoCodecInfo if a new encoder is preferred.
+ */
+ @Nullable @CalledByNative("VideoEncoderSelector") VideoCodecInfo onAvailableBitrate(int kbps);
+
+ /**
+ * Called every time the encoder input resolution change. Returns null if the encoder selector
+ * prefers to keep the current encoder or a VideoCodecInfo if a new encoder is preferred.
+ */
+ @Nullable
+ @CalledByNative("VideoEncoderSelector")
+ default VideoCodecInfo onResolutionChange(int widht, int height) {
+ return null;
+ }
+
+ /**
+ * Called when the currently used encoder signal itself as broken. Returns null if the encoder
+ * selector prefers to keep the current encoder or a VideoCodecInfo if a new encoder is
+ * preferred.
+ */
+ @Nullable @CalledByNative("VideoEncoderSelector") VideoCodecInfo onEncoderBroken();
+ }
+
+ /** Creates an encoder for the given video codec. */
+ @Nullable @CalledByNative VideoEncoder createEncoder(VideoCodecInfo info);
+
+ /**
+ * Enumerates the list of supported video codecs. This method will only be called once and the
+ * result will be cached.
+ */
+ @CalledByNative VideoCodecInfo[] getSupportedCodecs();
+
+ /**
+ * Enumerates the list of supported video codecs that can also be tagged with
+ * implementation information. This method will only be called once and the
+ * result will be cached.
+ */
+ @CalledByNative
+ default VideoCodecInfo[] getImplementations() {
+ return getSupportedCodecs();
+ }
+
+ /**
+ * Returns a VideoEncoderSelector if implemented by the VideoEncoderFactory,
+ * null otherwise.
+ */
+ @CalledByNative
+ default VideoEncoderSelector getEncoderSelector() {
+ return null;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoderFallback.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoderFallback.java
new file mode 100644
index 0000000000..fa36b7c989
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoEncoderFallback.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * A combined video encoder that falls back on a secondary encoder if the primary encoder fails.
+ */
+public class VideoEncoderFallback extends WrappedNativeVideoEncoder {
+ private final VideoEncoder fallback;
+ private final VideoEncoder primary;
+
+ public VideoEncoderFallback(VideoEncoder fallback, VideoEncoder primary) {
+ this.fallback = fallback;
+ this.primary = primary;
+ }
+
+ @Override
+ public long createNativeVideoEncoder() {
+ return nativeCreateEncoder(fallback, primary);
+ }
+
+ @Override
+ public boolean isHardwareEncoder() {
+ return primary.isHardwareEncoder();
+ }
+
+ private static native long nativeCreateEncoder(VideoEncoder fallback, VideoEncoder primary);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFileRenderer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFileRenderer.java
new file mode 100644
index 0000000000..aef8030459
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFileRenderer.java
@@ -0,0 +1,162 @@
+/*
+ * Copyright 2016 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.os.Handler;
+import android.os.HandlerThread;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.util.concurrent.CountDownLatch;
+
+/**
+ * Can be used to save the video frames to file.
+ */
+public class VideoFileRenderer implements VideoSink {
+ private static final String TAG = "VideoFileRenderer";
+
+ private final HandlerThread renderThread;
+ private final Handler renderThreadHandler;
+ private final HandlerThread fileThread;
+ private final Handler fileThreadHandler;
+ private final FileOutputStream videoOutFile;
+ private final String outputFileName;
+ private final int outputFileWidth;
+ private final int outputFileHeight;
+ private final int outputFrameSize;
+ private final ByteBuffer outputFrameBuffer;
+ private EglBase eglBase;
+ private YuvConverter yuvConverter;
+ private int frameCount;
+
+ public VideoFileRenderer(String outputFile, int outputFileWidth, int outputFileHeight,
+ final EglBase.Context sharedContext) throws IOException {
+ if ((outputFileWidth % 2) == 1 || (outputFileHeight % 2) == 1) {
+ throw new IllegalArgumentException("Does not support uneven width or height");
+ }
+
+ this.outputFileName = outputFile;
+ this.outputFileWidth = outputFileWidth;
+ this.outputFileHeight = outputFileHeight;
+
+ outputFrameSize = outputFileWidth * outputFileHeight * 3 / 2;
+ outputFrameBuffer = ByteBuffer.allocateDirect(outputFrameSize);
+
+ videoOutFile = new FileOutputStream(outputFile);
+ videoOutFile.write(
+ ("YUV4MPEG2 C420 W" + outputFileWidth + " H" + outputFileHeight + " Ip F30:1 A1:1\n")
+ .getBytes(Charset.forName("US-ASCII")));
+
+ renderThread = new HandlerThread(TAG + "RenderThread");
+ renderThread.start();
+ renderThreadHandler = new Handler(renderThread.getLooper());
+
+ fileThread = new HandlerThread(TAG + "FileThread");
+ fileThread.start();
+ fileThreadHandler = new Handler(fileThread.getLooper());
+
+ ThreadUtils.invokeAtFrontUninterruptibly(renderThreadHandler, new Runnable() {
+ @Override
+ public void run() {
+ eglBase = EglBase.create(sharedContext, EglBase.CONFIG_PIXEL_BUFFER);
+ eglBase.createDummyPbufferSurface();
+ eglBase.makeCurrent();
+ yuvConverter = new YuvConverter();
+ }
+ });
+ }
+
+ @Override
+ public void onFrame(VideoFrame frame) {
+ frame.retain();
+ renderThreadHandler.post(() -> renderFrameOnRenderThread(frame));
+ }
+
+ private void renderFrameOnRenderThread(VideoFrame frame) {
+ final VideoFrame.Buffer buffer = frame.getBuffer();
+
+ // If the frame is rotated, it will be applied after cropAndScale. Therefore, if the frame is
+ // rotated by 90 degrees, swap width and height.
+ final int targetWidth = frame.getRotation() % 180 == 0 ? outputFileWidth : outputFileHeight;
+ final int targetHeight = frame.getRotation() % 180 == 0 ? outputFileHeight : outputFileWidth;
+
+ final float frameAspectRatio = (float) buffer.getWidth() / (float) buffer.getHeight();
+ final float fileAspectRatio = (float) targetWidth / (float) targetHeight;
+
+ // Calculate cropping to equalize the aspect ratio.
+ int cropWidth = buffer.getWidth();
+ int cropHeight = buffer.getHeight();
+ if (fileAspectRatio > frameAspectRatio) {
+ cropHeight = (int) (cropHeight * (frameAspectRatio / fileAspectRatio));
+ } else {
+ cropWidth = (int) (cropWidth * (fileAspectRatio / frameAspectRatio));
+ }
+
+ final int cropX = (buffer.getWidth() - cropWidth) / 2;
+ final int cropY = (buffer.getHeight() - cropHeight) / 2;
+
+ final VideoFrame.Buffer scaledBuffer =
+ buffer.cropAndScale(cropX, cropY, cropWidth, cropHeight, targetWidth, targetHeight);
+ frame.release();
+
+ final VideoFrame.I420Buffer i420 = scaledBuffer.toI420();
+ scaledBuffer.release();
+
+ fileThreadHandler.post(() -> {
+ YuvHelper.I420Rotate(i420.getDataY(), i420.getStrideY(), i420.getDataU(), i420.getStrideU(),
+ i420.getDataV(), i420.getStrideV(), outputFrameBuffer, i420.getWidth(), i420.getHeight(),
+ frame.getRotation());
+ i420.release();
+
+ try {
+ videoOutFile.write("FRAME\n".getBytes(Charset.forName("US-ASCII")));
+ videoOutFile.write(
+ outputFrameBuffer.array(), outputFrameBuffer.arrayOffset(), outputFrameSize);
+ } catch (IOException e) {
+ throw new RuntimeException("Error writing video to disk", e);
+ }
+ frameCount++;
+ });
+ }
+
+ /**
+ * Release all resources. All already posted frames will be rendered first.
+ */
+ public void release() {
+ final CountDownLatch cleanupBarrier = new CountDownLatch(1);
+ renderThreadHandler.post(() -> {
+ yuvConverter.release();
+ eglBase.release();
+ renderThread.quit();
+ cleanupBarrier.countDown();
+ });
+ ThreadUtils.awaitUninterruptibly(cleanupBarrier);
+ fileThreadHandler.post(() -> {
+ try {
+ videoOutFile.close();
+ Logging.d(TAG,
+ "Video written to disk as " + outputFileName + ". The number of frames is " + frameCount
+ + " and the dimensions of the frames are " + outputFileWidth + "x"
+ + outputFileHeight + ".");
+ } catch (IOException e) {
+ throw new RuntimeException("Error closing output file", e);
+ }
+ fileThread.quit();
+ });
+ try {
+ fileThread.join();
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ Logging.e(TAG, "Interrupted while waiting for the write to disk to complete.", e);
+ }
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrame.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrame.java
new file mode 100644
index 0000000000..52a378b8f8
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrame.java
@@ -0,0 +1,218 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.graphics.Matrix;
+import android.opengl.GLES11Ext;
+import android.opengl.GLES20;
+import androidx.annotation.Nullable;
+import java.nio.ByteBuffer;
+
+/**
+ * Java version of webrtc::VideoFrame and webrtc::VideoFrameBuffer. A difference from the C++
+ * version is that no explicit tag is used, and clients are expected to use 'instanceof' to find the
+ * right subclass of the buffer. This allows clients to create custom VideoFrame.Buffer in
+ * arbitrary format in their custom VideoSources, and then cast it back to the correct subclass in
+ * their custom VideoSinks. All implementations must also implement the toI420() function,
+ * converting from the underlying representation if necessary. I420 is the most widely accepted
+ * format and serves as a fallback for video sinks that can only handle I420, e.g. the internal
+ * WebRTC software encoders.
+ */
+public class VideoFrame implements RefCounted {
+ /**
+ * Implements image storage medium. Might be for example an OpenGL texture or a memory region
+ * containing I420-data.
+ *
+ * <p>Reference counting is needed since a video buffer can be shared between multiple VideoSinks,
+ * and the buffer needs to be returned to the VideoSource as soon as all references are gone.
+ */
+ public interface Buffer extends RefCounted {
+ /**
+ * Representation of the underlying buffer. Currently, only NATIVE and I420 are supported.
+ */
+ @CalledByNative("Buffer")
+ @VideoFrameBufferType
+ default int getBufferType() {
+ return VideoFrameBufferType.NATIVE;
+ }
+
+ /**
+ * Resolution of the buffer in pixels.
+ */
+ @CalledByNative("Buffer") int getWidth();
+ @CalledByNative("Buffer") int getHeight();
+
+ /**
+ * Returns a memory-backed frame in I420 format. If the pixel data is in another format, a
+ * conversion will take place. All implementations must provide a fallback to I420 for
+ * compatibility with e.g. the internal WebRTC software encoders.
+ *
+ * <p> Conversion may fail, for example if reading the pixel data from a texture fails. If the
+ * conversion fails, null is returned.
+ */
+ @Nullable @CalledByNative("Buffer") I420Buffer toI420();
+
+ @Override @CalledByNative("Buffer") void retain();
+ @Override @CalledByNative("Buffer") void release();
+
+ /**
+ * Crops a region defined by `cropx`, `cropY`, `cropWidth` and `cropHeight`. Scales it to size
+ * `scaleWidth` x `scaleHeight`.
+ */
+ @CalledByNative("Buffer")
+ Buffer cropAndScale(
+ int cropX, int cropY, int cropWidth, int cropHeight, int scaleWidth, int scaleHeight);
+ }
+
+ /**
+ * Interface for I420 buffers.
+ */
+ public interface I420Buffer extends Buffer {
+ @Override
+ default int getBufferType() {
+ return VideoFrameBufferType.I420;
+ }
+
+ /**
+ * Returns a direct ByteBuffer containing Y-plane data. The buffer capacity is at least
+ * getStrideY() * getHeight() bytes. The position of the returned buffer is ignored and must
+ * be 0. Callers may mutate the ByteBuffer (eg. through relative-read operations), so
+ * implementations must return a new ByteBuffer or slice for each call.
+ */
+ @CalledByNative("I420Buffer") ByteBuffer getDataY();
+ /**
+ * Returns a direct ByteBuffer containing U-plane data. The buffer capacity is at least
+ * getStrideU() * ((getHeight() + 1) / 2) bytes. The position of the returned buffer is ignored
+ * and must be 0. Callers may mutate the ByteBuffer (eg. through relative-read operations), so
+ * implementations must return a new ByteBuffer or slice for each call.
+ */
+ @CalledByNative("I420Buffer") ByteBuffer getDataU();
+ /**
+ * Returns a direct ByteBuffer containing V-plane data. The buffer capacity is at least
+ * getStrideV() * ((getHeight() + 1) / 2) bytes. The position of the returned buffer is ignored
+ * and must be 0. Callers may mutate the ByteBuffer (eg. through relative-read operations), so
+ * implementations must return a new ByteBuffer or slice for each call.
+ */
+ @CalledByNative("I420Buffer") ByteBuffer getDataV();
+
+ @CalledByNative("I420Buffer") int getStrideY();
+ @CalledByNative("I420Buffer") int getStrideU();
+ @CalledByNative("I420Buffer") int getStrideV();
+ }
+
+ /**
+ * Interface for buffers that are stored as a single texture, either in OES or RGB format.
+ */
+ public interface TextureBuffer extends Buffer {
+ enum Type {
+ OES(GLES11Ext.GL_TEXTURE_EXTERNAL_OES),
+ RGB(GLES20.GL_TEXTURE_2D);
+
+ private final int glTarget;
+
+ private Type(final int glTarget) {
+ this.glTarget = glTarget;
+ }
+
+ public int getGlTarget() {
+ return glTarget;
+ }
+ }
+
+ Type getType();
+ int getTextureId();
+
+ /**
+ * Retrieve the transform matrix associated with the frame. This transform matrix maps 2D
+ * homogeneous coordinates of the form (s, t, 1) with s and t in the inclusive range [0, 1] to
+ * the coordinate that should be used to sample that location from the buffer.
+ */
+ Matrix getTransformMatrix();
+
+ /**
+ * Create a new TextureBufferImpl with an applied transform matrix and a new size. The existing
+ * buffer is unchanged. The given transform matrix is applied first when texture coordinates are
+ * still in the unmodified [0, 1] range.
+ */
+ default TextureBuffer applyTransformMatrix(
+ Matrix transformMatrix, int newWidth, int newHeight) {
+ throw new UnsupportedOperationException("Not implemented");
+ }
+ }
+
+ private final Buffer buffer;
+ private final int rotation;
+ private final long timestampNs;
+
+ /**
+ * Constructs a new VideoFrame backed by the given {@code buffer}.
+ *
+ * @note Ownership of the buffer object is tranferred to the new VideoFrame.
+ */
+ @CalledByNative
+ public VideoFrame(Buffer buffer, int rotation, long timestampNs) {
+ if (buffer == null) {
+ throw new IllegalArgumentException("buffer not allowed to be null");
+ }
+ if (rotation % 90 != 0) {
+ throw new IllegalArgumentException("rotation must be a multiple of 90");
+ }
+ this.buffer = buffer;
+ this.rotation = rotation;
+ this.timestampNs = timestampNs;
+ }
+
+ @CalledByNative
+ public Buffer getBuffer() {
+ return buffer;
+ }
+
+ /**
+ * Rotation of the frame in degrees.
+ */
+ @CalledByNative
+ public int getRotation() {
+ return rotation;
+ }
+
+ /**
+ * Timestamp of the frame in nano seconds.
+ */
+ @CalledByNative
+ public long getTimestampNs() {
+ return timestampNs;
+ }
+
+ public int getRotatedWidth() {
+ if (rotation % 180 == 0) {
+ return buffer.getWidth();
+ }
+ return buffer.getHeight();
+ }
+
+ public int getRotatedHeight() {
+ if (rotation % 180 == 0) {
+ return buffer.getHeight();
+ }
+ return buffer.getWidth();
+ }
+
+ @Override
+ public void retain() {
+ buffer.retain();
+ }
+
+ @Override
+ @CalledByNative
+ public void release() {
+ buffer.release();
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrameBufferType.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrameBufferType.java
new file mode 100644
index 0000000000..7b05b88cba
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrameBufferType.java
@@ -0,0 +1,33 @@
+
+// Copyright 2022 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file is autogenerated by
+// java_cpp_enum.py
+// From
+// ../../api/video/video_frame_buffer.h
+
+package org.webrtc;
+
+import androidx.annotation.IntDef;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@IntDef({
+ VideoFrameBufferType.NATIVE, VideoFrameBufferType.I420, VideoFrameBufferType.I420A,
+ VideoFrameBufferType.I422, VideoFrameBufferType.I444, VideoFrameBufferType.I010,
+ VideoFrameBufferType.I210, VideoFrameBufferType.NV12
+})
+@Retention(RetentionPolicy.SOURCE)
+public @interface VideoFrameBufferType {
+ int NATIVE = 0;
+ int I420 = 1;
+ int I420A = 2;
+ int I422 = 3;
+ int I444 = 4;
+ int I010 = 5;
+ int I210 = 6;
+ int NV12 = 7;
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrameDrawer.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrameDrawer.java
new file mode 100644
index 0000000000..af32587886
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoFrameDrawer.java
@@ -0,0 +1,241 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.graphics.Matrix;
+import android.graphics.Point;
+import android.opengl.GLES20;
+import androidx.annotation.Nullable;
+import java.nio.ByteBuffer;
+
+/**
+ * Helper class to draw VideoFrames. Calls either drawer.drawOes, drawer.drawRgb, or
+ * drawer.drawYuv depending on the type of the buffer. The frame will be rendered with rotation
+ * taken into account. You can supply an additional render matrix for custom transformations.
+ */
+public class VideoFrameDrawer {
+ public static final String TAG = "VideoFrameDrawer";
+ /**
+ * Draws a VideoFrame.TextureBuffer. Calls either drawer.drawOes or drawer.drawRgb
+ * depending on the type of the buffer. You can supply an additional render matrix. This is
+ * used multiplied together with the transformation matrix of the frame. (M = renderMatrix *
+ * transformationMatrix)
+ */
+ public static void drawTexture(RendererCommon.GlDrawer drawer, VideoFrame.TextureBuffer buffer,
+ Matrix renderMatrix, int frameWidth, int frameHeight, int viewportX, int viewportY,
+ int viewportWidth, int viewportHeight) {
+ Matrix finalMatrix = new Matrix(buffer.getTransformMatrix());
+ finalMatrix.preConcat(renderMatrix);
+ float[] finalGlMatrix = RendererCommon.convertMatrixFromAndroidGraphicsMatrix(finalMatrix);
+ switch (buffer.getType()) {
+ case OES:
+ drawer.drawOes(buffer.getTextureId(), finalGlMatrix, frameWidth, frameHeight, viewportX,
+ viewportY, viewportWidth, viewportHeight);
+ break;
+ case RGB:
+ drawer.drawRgb(buffer.getTextureId(), finalGlMatrix, frameWidth, frameHeight, viewportX,
+ viewportY, viewportWidth, viewportHeight);
+ break;
+ default:
+ throw new RuntimeException("Unknown texture type.");
+ }
+ }
+
+ /**
+ * Helper class for uploading YUV bytebuffer frames to textures that handles stride > width. This
+ * class keeps an internal ByteBuffer to avoid unnecessary allocations for intermediate copies.
+ */
+ private static class YuvUploader {
+ // Intermediate copy buffer for uploading yuv frames that are not packed, i.e. stride > width.
+ // TODO(magjed): Investigate when GL_UNPACK_ROW_LENGTH is available, or make a custom shader
+ // that handles stride and compare performance with intermediate copy.
+ @Nullable private ByteBuffer copyBuffer;
+ @Nullable private int[] yuvTextures;
+
+ /**
+ * Upload `planes` into OpenGL textures, taking stride into consideration.
+ *
+ * @return Array of three texture indices corresponding to Y-, U-, and V-plane respectively.
+ */
+ @Nullable
+ public int[] uploadYuvData(int width, int height, int[] strides, ByteBuffer[] planes) {
+ final int[] planeWidths = new int[] {width, width / 2, width / 2};
+ final int[] planeHeights = new int[] {height, height / 2, height / 2};
+ // Make a first pass to see if we need a temporary copy buffer.
+ int copyCapacityNeeded = 0;
+ for (int i = 0; i < 3; ++i) {
+ if (strides[i] > planeWidths[i]) {
+ copyCapacityNeeded = Math.max(copyCapacityNeeded, planeWidths[i] * planeHeights[i]);
+ }
+ }
+ // Allocate copy buffer if necessary.
+ if (copyCapacityNeeded > 0
+ && (copyBuffer == null || copyBuffer.capacity() < copyCapacityNeeded)) {
+ copyBuffer = ByteBuffer.allocateDirect(copyCapacityNeeded);
+ }
+ // Make sure YUV textures are allocated.
+ if (yuvTextures == null) {
+ yuvTextures = new int[3];
+ for (int i = 0; i < 3; i++) {
+ yuvTextures[i] = GlUtil.generateTexture(GLES20.GL_TEXTURE_2D);
+ }
+ }
+ // Upload each plane.
+ for (int i = 0; i < 3; ++i) {
+ GLES20.glActiveTexture(GLES20.GL_TEXTURE0 + i);
+ GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, yuvTextures[i]);
+ // GLES only accepts packed data, i.e. stride == planeWidth.
+ final ByteBuffer packedByteBuffer;
+ if (strides[i] == planeWidths[i]) {
+ // Input is packed already.
+ packedByteBuffer = planes[i];
+ } else {
+ YuvHelper.copyPlane(
+ planes[i], strides[i], copyBuffer, planeWidths[i], planeWidths[i], planeHeights[i]);
+ packedByteBuffer = copyBuffer;
+ }
+ GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_LUMINANCE, planeWidths[i],
+ planeHeights[i], 0, GLES20.GL_LUMINANCE, GLES20.GL_UNSIGNED_BYTE, packedByteBuffer);
+ }
+ return yuvTextures;
+ }
+
+ @Nullable
+ public int[] uploadFromBuffer(VideoFrame.I420Buffer buffer) {
+ int[] strides = {buffer.getStrideY(), buffer.getStrideU(), buffer.getStrideV()};
+ ByteBuffer[] planes = {buffer.getDataY(), buffer.getDataU(), buffer.getDataV()};
+ return uploadYuvData(buffer.getWidth(), buffer.getHeight(), strides, planes);
+ }
+
+ @Nullable
+ public int[] getYuvTextures() {
+ return yuvTextures;
+ }
+
+ /**
+ * Releases cached resources. Uploader can still be used and the resources will be reallocated
+ * on first use.
+ */
+ public void release() {
+ copyBuffer = null;
+ if (yuvTextures != null) {
+ GLES20.glDeleteTextures(3, yuvTextures, 0);
+ yuvTextures = null;
+ }
+ }
+ }
+
+ private static int distance(float x0, float y0, float x1, float y1) {
+ return (int) Math.round(Math.hypot(x1 - x0, y1 - y0));
+ }
+
+ // These points are used to calculate the size of the part of the frame we are rendering.
+ final static float[] srcPoints =
+ new float[] {0f /* x0 */, 0f /* y0 */, 1f /* x1 */, 0f /* y1 */, 0f /* x2 */, 1f /* y2 */};
+ private final float[] dstPoints = new float[6];
+ private final Point renderSize = new Point();
+ private int renderWidth;
+ private int renderHeight;
+
+ // Calculate the frame size after `renderMatrix` is applied. Stores the output in member variables
+ // `renderWidth` and `renderHeight` to avoid allocations since this function is called for every
+ // frame.
+ private void calculateTransformedRenderSize(
+ int frameWidth, int frameHeight, @Nullable Matrix renderMatrix) {
+ if (renderMatrix == null) {
+ renderWidth = frameWidth;
+ renderHeight = frameHeight;
+ return;
+ }
+ // Transform the texture coordinates (in the range [0, 1]) according to `renderMatrix`.
+ renderMatrix.mapPoints(dstPoints, srcPoints);
+
+ // Multiply with the width and height to get the positions in terms of pixels.
+ for (int i = 0; i < 3; ++i) {
+ dstPoints[i * 2 + 0] *= frameWidth;
+ dstPoints[i * 2 + 1] *= frameHeight;
+ }
+
+ // Get the length of the sides of the transformed rectangle in terms of pixels.
+ renderWidth = distance(dstPoints[0], dstPoints[1], dstPoints[2], dstPoints[3]);
+ renderHeight = distance(dstPoints[0], dstPoints[1], dstPoints[4], dstPoints[5]);
+ }
+
+ private final YuvUploader yuvUploader = new YuvUploader();
+ // This variable will only be used for checking reference equality and is used for caching I420
+ // textures.
+ @Nullable private VideoFrame lastI420Frame;
+ private final Matrix renderMatrix = new Matrix();
+
+ public void drawFrame(VideoFrame frame, RendererCommon.GlDrawer drawer) {
+ drawFrame(frame, drawer, null /* additionalRenderMatrix */);
+ }
+
+ public void drawFrame(
+ VideoFrame frame, RendererCommon.GlDrawer drawer, Matrix additionalRenderMatrix) {
+ drawFrame(frame, drawer, additionalRenderMatrix, 0 /* viewportX */, 0 /* viewportY */,
+ frame.getRotatedWidth(), frame.getRotatedHeight());
+ }
+
+ public void drawFrame(VideoFrame frame, RendererCommon.GlDrawer drawer,
+ @Nullable Matrix additionalRenderMatrix, int viewportX, int viewportY, int viewportWidth,
+ int viewportHeight) {
+ final int width = frame.getRotatedWidth();
+ final int height = frame.getRotatedHeight();
+ calculateTransformedRenderSize(width, height, additionalRenderMatrix);
+ if (renderWidth <= 0 || renderHeight <= 0) {
+ Logging.w(TAG, "Illegal frame size: " + renderWidth + "x" + renderHeight);
+ return;
+ }
+
+ final boolean isTextureFrame = frame.getBuffer() instanceof VideoFrame.TextureBuffer;
+ renderMatrix.reset();
+ renderMatrix.preTranslate(0.5f, 0.5f);
+ if (!isTextureFrame) {
+ renderMatrix.preScale(1f, -1f); // I420-frames are upside down
+ }
+ renderMatrix.preRotate(frame.getRotation());
+ renderMatrix.preTranslate(-0.5f, -0.5f);
+ if (additionalRenderMatrix != null) {
+ renderMatrix.preConcat(additionalRenderMatrix);
+ }
+
+ if (isTextureFrame) {
+ lastI420Frame = null;
+ drawTexture(drawer, (VideoFrame.TextureBuffer) frame.getBuffer(), renderMatrix, renderWidth,
+ renderHeight, viewportX, viewportY, viewportWidth, viewportHeight);
+ } else {
+ // Only upload the I420 data to textures once per frame, if we are called multiple times
+ // with the same frame.
+ if (frame != lastI420Frame) {
+ lastI420Frame = frame;
+ final VideoFrame.I420Buffer i420Buffer = frame.getBuffer().toI420();
+ yuvUploader.uploadFromBuffer(i420Buffer);
+ i420Buffer.release();
+ }
+
+ drawer.drawYuv(yuvUploader.getYuvTextures(),
+ RendererCommon.convertMatrixFromAndroidGraphicsMatrix(renderMatrix), renderWidth,
+ renderHeight, viewportX, viewportY, viewportWidth, viewportHeight);
+ }
+ }
+
+ public VideoFrame.Buffer prepareBufferForViewportSize(
+ VideoFrame.Buffer buffer, int width, int height) {
+ buffer.retain();
+ return buffer;
+ }
+
+ public void release() {
+ yuvUploader.release();
+ lastI420Frame = null;
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoProcessor.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoProcessor.java
new file mode 100644
index 0000000000..c39a55c27e
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoProcessor.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2019 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+
+/**
+ * Lightweight abstraction for an object that can receive video frames, process them, and pass them
+ * on to another object. This object is also allowed to observe capturer start/stop.
+ */
+public interface VideoProcessor extends CapturerObserver {
+ public static class FrameAdaptationParameters {
+ public final int cropX;
+ public final int cropY;
+ public final int cropWidth;
+ public final int cropHeight;
+ public final int scaleWidth;
+ public final int scaleHeight;
+ public final long timestampNs;
+ public final boolean drop;
+
+ public FrameAdaptationParameters(int cropX, int cropY, int cropWidth, int cropHeight,
+ int scaleWidth, int scaleHeight, long timestampNs, boolean drop) {
+ this.cropX = cropX;
+ this.cropY = cropY;
+ this.cropWidth = cropWidth;
+ this.cropHeight = cropHeight;
+ this.scaleWidth = scaleWidth;
+ this.scaleHeight = scaleHeight;
+ this.timestampNs = timestampNs;
+ this.drop = drop;
+ }
+ }
+
+ /**
+ * This is a chance to access an unadapted frame. The default implementation applies the
+ * adaptation and forwards the frame to {@link #onFrameCaptured(VideoFrame)}.
+ */
+ default void onFrameCaptured(VideoFrame frame, FrameAdaptationParameters parameters) {
+ VideoFrame adaptedFrame = applyFrameAdaptationParameters(frame, parameters);
+ if (adaptedFrame != null) {
+ onFrameCaptured(adaptedFrame);
+ adaptedFrame.release();
+ }
+ }
+
+ /**
+ * Set the sink that receives the output from this processor. Null can be passed in to unregister
+ * a sink.
+ */
+ void setSink(@Nullable VideoSink sink);
+
+ /**
+ * Applies the frame adaptation parameters to a frame. Returns null if the frame is meant to be
+ * dropped. Returns a new frame. The caller is responsible for releasing the returned frame.
+ */
+ public static @Nullable VideoFrame applyFrameAdaptationParameters(
+ VideoFrame frame, FrameAdaptationParameters parameters) {
+ if (parameters.drop) {
+ return null;
+ }
+
+ final VideoFrame.Buffer adaptedBuffer =
+ frame.getBuffer().cropAndScale(parameters.cropX, parameters.cropY, parameters.cropWidth,
+ parameters.cropHeight, parameters.scaleWidth, parameters.scaleHeight);
+ return new VideoFrame(adaptedBuffer, frame.getRotation(), parameters.timestampNs);
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoSink.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoSink.java
new file mode 100644
index 0000000000..5a0a6c719c
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoSink.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Java version of rtc::VideoSinkInterface.
+ */
+public interface VideoSink {
+ /**
+ * Implementations should call frame.retain() if they need to hold a reference to the frame after
+ * this function returns. Each call to retain() should be followed by a call to frame.release()
+ * when the reference is no longer needed.
+ */
+ @CalledByNative void onFrame(VideoFrame frame);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoSource.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoSource.java
new file mode 100644
index 0000000000..2e22d1a2db
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoSource.java
@@ -0,0 +1,162 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import androidx.annotation.Nullable;
+
+/**
+ * Java wrapper of native AndroidVideoTrackSource.
+ */
+public class VideoSource extends MediaSource {
+ /** Simple aspect ratio clas for use in constraining output format. */
+ public static class AspectRatio {
+ public static final AspectRatio UNDEFINED = new AspectRatio(/* width= */ 0, /* height= */ 0);
+
+ public final int width;
+ public final int height;
+
+ public AspectRatio(int width, int height) {
+ this.width = width;
+ this.height = height;
+ }
+ }
+
+ private final NativeAndroidVideoTrackSource nativeAndroidVideoTrackSource;
+ private final Object videoProcessorLock = new Object();
+ @Nullable private VideoProcessor videoProcessor;
+ private boolean isCapturerRunning;
+
+ private final CapturerObserver capturerObserver = new CapturerObserver() {
+ @Override
+ public void onCapturerStarted(boolean success) {
+ nativeAndroidVideoTrackSource.setState(success);
+ synchronized (videoProcessorLock) {
+ isCapturerRunning = success;
+ if (videoProcessor != null) {
+ videoProcessor.onCapturerStarted(success);
+ }
+ }
+ }
+
+ @Override
+ public void onCapturerStopped() {
+ nativeAndroidVideoTrackSource.setState(/* isLive= */ false);
+ synchronized (videoProcessorLock) {
+ isCapturerRunning = false;
+ if (videoProcessor != null) {
+ videoProcessor.onCapturerStopped();
+ }
+ }
+ }
+
+ @Override
+ public void onFrameCaptured(VideoFrame frame) {
+ final VideoProcessor.FrameAdaptationParameters parameters =
+ nativeAndroidVideoTrackSource.adaptFrame(frame);
+ synchronized (videoProcessorLock) {
+ if (videoProcessor != null) {
+ videoProcessor.onFrameCaptured(frame, parameters);
+ return;
+ }
+ }
+
+ VideoFrame adaptedFrame = VideoProcessor.applyFrameAdaptationParameters(frame, parameters);
+ if (adaptedFrame != null) {
+ nativeAndroidVideoTrackSource.onFrameCaptured(adaptedFrame);
+ adaptedFrame.release();
+ }
+ }
+ };
+
+ public VideoSource(long nativeSource) {
+ super(nativeSource);
+ this.nativeAndroidVideoTrackSource = new NativeAndroidVideoTrackSource(nativeSource);
+ }
+
+ /**
+ * Calling this function will cause frames to be scaled down to the requested resolution. Also,
+ * frames will be cropped to match the requested aspect ratio, and frames will be dropped to match
+ * the requested fps. The requested aspect ratio is orientation agnostic and will be adjusted to
+ * maintain the input orientation, so it doesn't matter if e.g. 1280x720 or 720x1280 is requested.
+ */
+ public void adaptOutputFormat(int width, int height, int fps) {
+ final int maxSide = Math.max(width, height);
+ final int minSide = Math.min(width, height);
+ adaptOutputFormat(maxSide, minSide, minSide, maxSide, fps);
+ }
+
+ /**
+ * Same as above, but allows setting two different target resolutions depending on incoming
+ * frame orientation. This gives more fine-grained control and can e.g. be used to force landscape
+ * video to be cropped to portrait video.
+ */
+ public void adaptOutputFormat(
+ int landscapeWidth, int landscapeHeight, int portraitWidth, int portraitHeight, int fps) {
+ adaptOutputFormat(new AspectRatio(landscapeWidth, landscapeHeight),
+ /* maxLandscapePixelCount= */ landscapeWidth * landscapeHeight,
+ new AspectRatio(portraitWidth, portraitHeight),
+ /* maxPortraitPixelCount= */ portraitWidth * portraitHeight, fps);
+ }
+
+ /** Same as above, with even more control as each constraint is optional. */
+ public void adaptOutputFormat(AspectRatio targetLandscapeAspectRatio,
+ @Nullable Integer maxLandscapePixelCount, AspectRatio targetPortraitAspectRatio,
+ @Nullable Integer maxPortraitPixelCount, @Nullable Integer maxFps) {
+ nativeAndroidVideoTrackSource.adaptOutputFormat(targetLandscapeAspectRatio,
+ maxLandscapePixelCount, targetPortraitAspectRatio, maxPortraitPixelCount, maxFps);
+ }
+
+ public void setIsScreencast(boolean isScreencast) {
+ nativeAndroidVideoTrackSource.setIsScreencast(isScreencast);
+ }
+
+ /**
+ * Hook for injecting a custom video processor before frames are passed onto WebRTC. The frames
+ * will be cropped and scaled depending on CPU and network conditions before they are passed to
+ * the video processor. Frames will be delivered to the video processor on the same thread they
+ * are passed to this object. The video processor is allowed to deliver the processed frames
+ * back on any thread.
+ */
+ public void setVideoProcessor(@Nullable VideoProcessor newVideoProcessor) {
+ synchronized (videoProcessorLock) {
+ if (videoProcessor != null) {
+ videoProcessor.setSink(/* sink= */ null);
+ if (isCapturerRunning) {
+ videoProcessor.onCapturerStopped();
+ }
+ }
+ videoProcessor = newVideoProcessor;
+ if (newVideoProcessor != null) {
+ newVideoProcessor.setSink(
+ (frame)
+ -> runWithReference(() -> nativeAndroidVideoTrackSource.onFrameCaptured(frame)));
+ if (isCapturerRunning) {
+ newVideoProcessor.onCapturerStarted(/* success= */ true);
+ }
+ }
+ }
+ }
+
+ public CapturerObserver getCapturerObserver() {
+ return capturerObserver;
+ }
+
+ /** Returns a pointer to webrtc::VideoTrackSourceInterface. */
+ long getNativeVideoTrackSource() {
+ return getNativeMediaSource();
+ }
+
+ @Override
+ public void dispose() {
+ setVideoProcessor(/* newVideoProcessor= */ null);
+ super.dispose();
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoTrack.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoTrack.java
new file mode 100644
index 0000000000..5593d424f3
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/VideoTrack.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import java.util.IdentityHashMap;
+
+/** Java version of VideoTrackInterface. */
+public class VideoTrack extends MediaStreamTrack {
+ private final IdentityHashMap<VideoSink, Long> sinks = new IdentityHashMap<VideoSink, Long>();
+
+ public VideoTrack(long nativeTrack) {
+ super(nativeTrack);
+ }
+
+ /**
+ * Adds a VideoSink to the track.
+ *
+ * A track can have any number of VideoSinks. VideoSinks will replace
+ * renderers. However, converting old style texture frames will involve costly
+ * conversion to I420 so it is not recommended to upgrade before all your
+ * sources produce VideoFrames.
+ */
+ public void addSink(VideoSink sink) {
+ if (sink == null) {
+ throw new IllegalArgumentException("The VideoSink is not allowed to be null");
+ }
+ // We allow calling addSink() with the same sink multiple times. This is similar to the C++
+ // VideoTrack::AddOrUpdateSink().
+ if (!sinks.containsKey(sink)) {
+ final long nativeSink = nativeWrapSink(sink);
+ sinks.put(sink, nativeSink);
+ nativeAddSink(getNativeMediaStreamTrack(), nativeSink);
+ }
+ }
+
+ /**
+ * Removes a VideoSink from the track.
+ *
+ * If the VideoSink was not attached to the track, this is a no-op.
+ */
+ public void removeSink(VideoSink sink) {
+ final Long nativeSink = sinks.remove(sink);
+ if (nativeSink != null) {
+ nativeRemoveSink(getNativeMediaStreamTrack(), nativeSink);
+ nativeFreeSink(nativeSink);
+ }
+ }
+
+ @Override
+ public void dispose() {
+ for (long nativeSink : sinks.values()) {
+ nativeRemoveSink(getNativeMediaStreamTrack(), nativeSink);
+ nativeFreeSink(nativeSink);
+ }
+ sinks.clear();
+ super.dispose();
+ }
+
+ /** Returns a pointer to webrtc::VideoTrackInterface. */
+ long getNativeVideoTrack() {
+ return getNativeMediaStreamTrack();
+ }
+
+ private static native void nativeAddSink(long track, long nativeSink);
+ private static native void nativeRemoveSink(long track, long nativeSink);
+ private static native long nativeWrapSink(VideoSink sink);
+ private static native void nativeFreeSink(long sink);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/WrappedNativeVideoDecoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/WrappedNativeVideoDecoder.java
new file mode 100644
index 0000000000..027120e48e
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/WrappedNativeVideoDecoder.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Wraps a native webrtc::VideoDecoder.
+ */
+public abstract class WrappedNativeVideoDecoder implements VideoDecoder {
+ @Override public abstract long createNativeVideoDecoder();
+
+ @Override
+ public final VideoCodecStatus initDecode(Settings settings, Callback decodeCallback) {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+
+ @Override
+ public final VideoCodecStatus release() {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+
+ @Override
+ public final VideoCodecStatus decode(EncodedImage frame, DecodeInfo info) {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+
+ @Override
+ public final String getImplementationName() {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/WrappedNativeVideoEncoder.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/WrappedNativeVideoEncoder.java
new file mode 100644
index 0000000000..7d0908a6ac
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/WrappedNativeVideoEncoder.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Wraps a native webrtc::VideoEncoder.
+ */
+public abstract class WrappedNativeVideoEncoder implements VideoEncoder {
+ @Override public abstract long createNativeVideoEncoder();
+ @Override public abstract boolean isHardwareEncoder();
+
+ @Override
+ public final VideoCodecStatus initEncode(Settings settings, Callback encodeCallback) {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+
+ @Override
+ public final VideoCodecStatus release() {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+
+ @Override
+ public final VideoCodecStatus encode(VideoFrame frame, EncodeInfo info) {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+
+ @Override
+ public final VideoCodecStatus setRateAllocation(BitrateAllocation allocation, int framerate) {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+
+ @Override
+ public final ScalingSettings getScalingSettings() {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+
+ @Override
+ public final String getImplementationName() {
+ throw new UnsupportedOperationException("Not implemented.");
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/YuvConverter.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/YuvConverter.java
new file mode 100644
index 0000000000..c855d4be41
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/YuvConverter.java
@@ -0,0 +1,252 @@
+/*
+ * Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import android.graphics.Matrix;
+import android.opengl.GLES20;
+import android.opengl.GLException;
+import androidx.annotation.Nullable;
+import java.nio.ByteBuffer;
+import org.webrtc.VideoFrame.I420Buffer;
+import org.webrtc.VideoFrame.TextureBuffer;
+
+/**
+ * Class for converting OES textures to a YUV ByteBuffer. It can be constructed on any thread, but
+ * should only be operated from a single thread with an active EGL context.
+ */
+public final class YuvConverter {
+ private static final String TAG = "YuvConverter";
+
+ private static final String FRAGMENT_SHADER =
+ // Difference in texture coordinate corresponding to one
+ // sub-pixel in the x direction.
+ "uniform vec2 xUnit;\n"
+ // Color conversion coefficients, including constant term
+ + "uniform vec4 coeffs;\n"
+ + "\n"
+ + "void main() {\n"
+ // Since the alpha read from the texture is always 1, this could
+ // be written as a mat4 x vec4 multiply. However, that seems to
+ // give a worse framerate, possibly because the additional
+ // multiplies by 1.0 consume resources.
+ + " gl_FragColor.r = coeffs.a + dot(coeffs.rgb,\n"
+ + " sample(tc - 1.5 * xUnit).rgb);\n"
+ + " gl_FragColor.g = coeffs.a + dot(coeffs.rgb,\n"
+ + " sample(tc - 0.5 * xUnit).rgb);\n"
+ + " gl_FragColor.b = coeffs.a + dot(coeffs.rgb,\n"
+ + " sample(tc + 0.5 * xUnit).rgb);\n"
+ + " gl_FragColor.a = coeffs.a + dot(coeffs.rgb,\n"
+ + " sample(tc + 1.5 * xUnit).rgb);\n"
+ + "}\n";
+
+ private static class ShaderCallbacks implements GlGenericDrawer.ShaderCallbacks {
+ // Y'UV444 to RGB888, see https://en.wikipedia.org/wiki/YUV#Y%E2%80%B2UV444_to_RGB888_conversion
+ // We use the ITU-R BT.601 coefficients for Y, U and V.
+ // The values in Wikipedia are inaccurate, the accurate values derived from the spec are:
+ // Y = 0.299 * R + 0.587 * G + 0.114 * B
+ // U = -0.168736 * R - 0.331264 * G + 0.5 * B + 0.5
+ // V = 0.5 * R - 0.418688 * G - 0.0813124 * B + 0.5
+ // To map the Y-values to range [16-235] and U- and V-values to range [16-240], the matrix has
+ // been multiplied with matrix:
+ // {{219 / 255, 0, 0, 16 / 255},
+ // {0, 224 / 255, 0, 16 / 255},
+ // {0, 0, 224 / 255, 16 / 255},
+ // {0, 0, 0, 1}}
+ private static final float[] yCoeffs =
+ new float[] {0.256788f, 0.504129f, 0.0979059f, 0.0627451f};
+ private static final float[] uCoeffs =
+ new float[] {-0.148223f, -0.290993f, 0.439216f, 0.501961f};
+ private static final float[] vCoeffs =
+ new float[] {0.439216f, -0.367788f, -0.0714274f, 0.501961f};
+
+ private int xUnitLoc;
+ private int coeffsLoc;
+
+ private float[] coeffs;
+ private float stepSize;
+
+ public void setPlaneY() {
+ coeffs = yCoeffs;
+ stepSize = 1.0f;
+ }
+
+ public void setPlaneU() {
+ coeffs = uCoeffs;
+ stepSize = 2.0f;
+ }
+
+ public void setPlaneV() {
+ coeffs = vCoeffs;
+ stepSize = 2.0f;
+ }
+
+ @Override
+ public void onNewShader(GlShader shader) {
+ xUnitLoc = shader.getUniformLocation("xUnit");
+ coeffsLoc = shader.getUniformLocation("coeffs");
+ }
+
+ @Override
+ public void onPrepareShader(GlShader shader, float[] texMatrix, int frameWidth, int frameHeight,
+ int viewportWidth, int viewportHeight) {
+ GLES20.glUniform4fv(coeffsLoc, /* count= */ 1, coeffs, /* offset= */ 0);
+ // Matrix * (1;0;0;0) / (width / stepSize). Note that OpenGL uses column major order.
+ GLES20.glUniform2f(
+ xUnitLoc, stepSize * texMatrix[0] / frameWidth, stepSize * texMatrix[1] / frameWidth);
+ }
+ }
+
+ private final ThreadUtils.ThreadChecker threadChecker = new ThreadUtils.ThreadChecker();
+ private final GlTextureFrameBuffer i420TextureFrameBuffer =
+ new GlTextureFrameBuffer(GLES20.GL_RGBA);
+ private final ShaderCallbacks shaderCallbacks = new ShaderCallbacks();
+ private final GlGenericDrawer drawer = new GlGenericDrawer(FRAGMENT_SHADER, shaderCallbacks);
+ private final VideoFrameDrawer videoFrameDrawer;
+
+ /**
+ * This class should be constructed on a thread that has an active EGL context.
+ */
+ public YuvConverter() {
+ this(new VideoFrameDrawer());
+ }
+
+ public YuvConverter(VideoFrameDrawer videoFrameDrawer) {
+ this.videoFrameDrawer = videoFrameDrawer;
+ threadChecker.detachThread();
+ }
+
+ /** Converts the texture buffer to I420. */
+ @Nullable
+ public I420Buffer convert(TextureBuffer inputTextureBuffer) {
+ try {
+ return convertInternal(inputTextureBuffer);
+ } catch (GLException e) {
+ Logging.w(TAG, "Failed to convert TextureBuffer", e);
+ }
+ return null;
+ }
+
+ private I420Buffer convertInternal(TextureBuffer inputTextureBuffer) {
+ TextureBuffer preparedBuffer = (TextureBuffer) videoFrameDrawer.prepareBufferForViewportSize(
+ inputTextureBuffer, inputTextureBuffer.getWidth(), inputTextureBuffer.getHeight());
+
+ // We draw into a buffer laid out like
+ //
+ // +---------+
+ // | |
+ // | Y |
+ // | |
+ // | |
+ // +----+----+
+ // | U | V |
+ // | | |
+ // +----+----+
+ //
+ // In memory, we use the same stride for all of Y, U and V. The
+ // U data starts at offset `height` * `stride` from the Y data,
+ // and the V data starts at at offset |stride/2| from the U
+ // data, with rows of U and V data alternating.
+ //
+ // Now, it would have made sense to allocate a pixel buffer with
+ // a single byte per pixel (EGL10.EGL_COLOR_BUFFER_TYPE,
+ // EGL10.EGL_LUMINANCE_BUFFER,), but that seems to be
+ // unsupported by devices. So do the following hack: Allocate an
+ // RGBA buffer, of width `stride`/4. To render each of these
+ // large pixels, sample the texture at 4 different x coordinates
+ // and store the results in the four components.
+ //
+ // Since the V data needs to start on a boundary of such a
+ // larger pixel, it is not sufficient that `stride` is even, it
+ // has to be a multiple of 8 pixels.
+ final int frameWidth = preparedBuffer.getWidth();
+ final int frameHeight = preparedBuffer.getHeight();
+ final int stride = ((frameWidth + 7) / 8) * 8;
+ final int uvHeight = (frameHeight + 1) / 2;
+ // Total height of the combined memory layout.
+ final int totalHeight = frameHeight + uvHeight;
+ final ByteBuffer i420ByteBuffer = JniCommon.nativeAllocateByteBuffer(stride * totalHeight);
+ // Viewport width is divided by four since we are squeezing in four color bytes in each RGBA
+ // pixel.
+ final int viewportWidth = stride / 4;
+
+ // Produce a frame buffer starting at top-left corner, not bottom-left.
+ final Matrix renderMatrix = new Matrix();
+ renderMatrix.preTranslate(0.5f, 0.5f);
+ renderMatrix.preScale(1f, -1f);
+ renderMatrix.preTranslate(-0.5f, -0.5f);
+
+ i420TextureFrameBuffer.setSize(viewportWidth, totalHeight);
+
+ // Bind our framebuffer.
+ GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, i420TextureFrameBuffer.getFrameBufferId());
+ GlUtil.checkNoGLES2Error("glBindFramebuffer");
+
+ // Draw Y.
+ shaderCallbacks.setPlaneY();
+ VideoFrameDrawer.drawTexture(drawer, preparedBuffer, renderMatrix, frameWidth, frameHeight,
+ /* viewportX= */ 0, /* viewportY= */ 0, viewportWidth,
+ /* viewportHeight= */ frameHeight);
+
+ // Draw U.
+ shaderCallbacks.setPlaneU();
+ VideoFrameDrawer.drawTexture(drawer, preparedBuffer, renderMatrix, frameWidth, frameHeight,
+ /* viewportX= */ 0, /* viewportY= */ frameHeight, viewportWidth / 2,
+ /* viewportHeight= */ uvHeight);
+
+ // Draw V.
+ shaderCallbacks.setPlaneV();
+ VideoFrameDrawer.drawTexture(drawer, preparedBuffer, renderMatrix, frameWidth, frameHeight,
+ /* viewportX= */ viewportWidth / 2, /* viewportY= */ frameHeight, viewportWidth / 2,
+ /* viewportHeight= */ uvHeight);
+
+ GLES20.glReadPixels(0, 0, i420TextureFrameBuffer.getWidth(), i420TextureFrameBuffer.getHeight(),
+ GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, i420ByteBuffer);
+
+ GlUtil.checkNoGLES2Error("YuvConverter.convert");
+
+ // Restore normal framebuffer.
+ GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
+
+ // Prepare Y, U, and V ByteBuffer slices.
+ final int yPos = 0;
+ final int uPos = yPos + stride * frameHeight;
+ // Rows of U and V alternate in the buffer, so V data starts after the first row of U.
+ final int vPos = uPos + stride / 2;
+
+ i420ByteBuffer.position(yPos);
+ i420ByteBuffer.limit(yPos + stride * frameHeight);
+ final ByteBuffer dataY = i420ByteBuffer.slice();
+
+ i420ByteBuffer.position(uPos);
+ // The last row does not have padding.
+ final int uvSize = stride * (uvHeight - 1) + stride / 2;
+ i420ByteBuffer.limit(uPos + uvSize);
+ final ByteBuffer dataU = i420ByteBuffer.slice();
+
+ i420ByteBuffer.position(vPos);
+ i420ByteBuffer.limit(vPos + uvSize);
+ final ByteBuffer dataV = i420ByteBuffer.slice();
+
+ preparedBuffer.release();
+
+ return JavaI420Buffer.wrap(frameWidth, frameHeight, dataY, stride, dataU, stride, dataV, stride,
+ () -> { JniCommon.nativeFreeByteBuffer(i420ByteBuffer); });
+ }
+
+ public void release() {
+ threadChecker.checkIsOnValidThread();
+ drawer.release();
+ i420TextureFrameBuffer.release();
+ videoFrameDrawer.release();
+ // Allow this class to be reused.
+ threadChecker.detachThread();
+ }
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/YuvHelper.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/YuvHelper.java
new file mode 100644
index 0000000000..afb8e837d1
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/YuvHelper.java
@@ -0,0 +1,200 @@
+/*
+ * Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import java.nio.ByteBuffer;
+
+/** Wraps libyuv methods to Java. All passed byte buffers must be direct byte buffers. */
+public class YuvHelper {
+ /**
+ * Copy I420 Buffer to a contiguously allocated buffer.
+ * <p> In Android, MediaCodec can request a buffer of a specific layout with the stride and
+ * slice-height (or plane height), and this function is used in this case.
+ * <p> For more information, see
+ * https://cs.android.com/android/platform/superproject/+/64fea7e5726daebc40f46890100837c01091100d:frameworks/base/media/java/android/media/MediaFormat.java;l=568
+ * @param dstStrideY the stride of output buffers' Y plane.
+ * @param dstSliceHeightY the slice-height of output buffer's Y plane.
+ * @param dstStrideU the stride of output buffers' U (and V) plane.
+ * @param dstSliceHeightU the slice-height of output buffer's U (and V) plane
+ */
+ public static void I420Copy(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
+ ByteBuffer srcV, int srcStrideV, ByteBuffer dst, int dstWidth, int dstHeight, int dstStrideY,
+ int dstSliceHeightY, int dstStrideU, int dstSliceHeightU) {
+ final int chromaWidth = (dstWidth + 1) / 2;
+ final int chromaHeight = (dstHeight + 1) / 2;
+
+ final int dstStartY = 0;
+ final int dstEndY = dstStartY + dstStrideY * dstHeight;
+ final int dstStartU = dstStartY + dstStrideY * dstSliceHeightY;
+ final int dstEndU = dstStartU + dstStrideU * chromaHeight;
+ final int dstStartV = dstStartU + dstStrideU * dstSliceHeightU;
+ // The last line doesn't need any padding, so use chromaWidth
+ // to calculate the exact end position.
+ final int dstEndV = dstStartV + dstStrideU * (chromaHeight - 1) + chromaWidth;
+ if (dst.capacity() < dstEndV) {
+ throw new IllegalArgumentException("Expected destination buffer capacity to be at least "
+ + dstEndV + " was " + dst.capacity());
+ }
+
+ dst.limit(dstEndY);
+ dst.position(dstStartY);
+ final ByteBuffer dstY = dst.slice();
+ dst.limit(dstEndU);
+ dst.position(dstStartU);
+ final ByteBuffer dstU = dst.slice();
+ dst.limit(dstEndV);
+ dst.position(dstStartV);
+ final ByteBuffer dstV = dst.slice();
+
+ I420Copy(srcY, srcStrideY, srcU, srcStrideU, srcV, srcStrideV, dstY, dstStrideY, dstU,
+ dstStrideU, dstV, dstStrideU, dstWidth, dstHeight);
+ }
+
+ /** Helper method for copying I420 to tightly packed destination buffer. */
+ public static void I420Copy(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
+ ByteBuffer srcV, int srcStrideV, ByteBuffer dst, int dstWidth, int dstHeight) {
+ I420Copy(srcY, srcStrideY, srcU, srcStrideU, srcV, srcStrideV, dst, dstWidth, dstHeight,
+ dstWidth, dstHeight, (dstWidth + 1) / 2, (dstHeight + 1) / 2);
+ }
+
+ /**
+ * Copy I420 Buffer to a contiguously allocated buffer.
+ * @param dstStrideY the stride of output buffers' Y plane.
+ * @param dstSliceHeightY the slice-height of output buffer's Y plane.
+ */
+ public static void I420ToNV12(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
+ ByteBuffer srcV, int srcStrideV, ByteBuffer dst, int dstWidth, int dstHeight, int dstStrideY,
+ int dstSliceHeightY) {
+ final int chromaHeight = (dstHeight + 1) / 2;
+ final int chromaWidth = (dstWidth + 1) / 2;
+
+ final int dstStartY = 0;
+ final int dstEndY = dstStartY + dstStrideY * dstHeight;
+ final int dstStartUV = dstStartY + dstStrideY * dstSliceHeightY;
+ final int dstEndUV = dstStartUV + chromaWidth * chromaHeight * 2;
+ if (dst.capacity() < dstEndUV) {
+ throw new IllegalArgumentException("Expected destination buffer capacity to be at least "
+ + dstEndUV + " was " + dst.capacity());
+ }
+
+ dst.limit(dstEndY);
+ dst.position(dstStartY);
+ final ByteBuffer dstY = dst.slice();
+ dst.limit(dstEndUV);
+ dst.position(dstStartUV);
+ final ByteBuffer dstUV = dst.slice();
+
+ I420ToNV12(srcY, srcStrideY, srcU, srcStrideU, srcV, srcStrideV, dstY, dstStrideY, dstUV,
+ chromaWidth * 2, dstWidth, dstHeight);
+ }
+
+ /** Helper method for copying I420 to tightly packed NV12 destination buffer. */
+ public static void I420ToNV12(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
+ ByteBuffer srcV, int srcStrideV, ByteBuffer dst, int dstWidth, int dstHeight) {
+ I420ToNV12(srcY, srcStrideY, srcU, srcStrideU, srcV, srcStrideV, dst, dstWidth, dstHeight,
+ dstWidth, dstHeight);
+ }
+
+ /** Helper method for rotating I420 to tightly packed destination buffer. */
+ public static void I420Rotate(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
+ ByteBuffer srcV, int srcStrideV, ByteBuffer dst, int srcWidth, int srcHeight,
+ int rotationMode) {
+ final int dstWidth = rotationMode % 180 == 0 ? srcWidth : srcHeight;
+ final int dstHeight = rotationMode % 180 == 0 ? srcHeight : srcWidth;
+
+ final int dstChromaHeight = (dstHeight + 1) / 2;
+ final int dstChromaWidth = (dstWidth + 1) / 2;
+
+ final int minSize = dstWidth * dstHeight + dstChromaWidth * dstChromaHeight * 2;
+ if (dst.capacity() < minSize) {
+ throw new IllegalArgumentException("Expected destination buffer capacity to be at least "
+ + minSize + " was " + dst.capacity());
+ }
+
+ final int startY = 0;
+ final int startU = dstHeight * dstWidth;
+ final int startV = startU + dstChromaHeight * dstChromaWidth;
+
+ dst.position(startY);
+ final ByteBuffer dstY = dst.slice();
+ dst.position(startU);
+ final ByteBuffer dstU = dst.slice();
+ dst.position(startV);
+ final ByteBuffer dstV = dst.slice();
+
+ nativeI420Rotate(srcY, srcStrideY, srcU, srcStrideU, srcV, srcStrideV, dstY, dstWidth, dstU,
+ dstChromaWidth, dstV, dstChromaWidth, srcWidth, srcHeight, rotationMode);
+ }
+
+ /** Helper method for copying a single colour plane. */
+ public static void copyPlane(
+ ByteBuffer src, int srcStride, ByteBuffer dst, int dstStride, int width, int height) {
+ nativeCopyPlane(src, srcStride, dst, dstStride, width, height);
+ }
+
+ /** Converts ABGR little endian (rgba in memory) to I420. */
+ public static void ABGRToI420(ByteBuffer src, int srcStride, ByteBuffer dstY, int dstStrideY,
+ ByteBuffer dstU, int dstStrideU, ByteBuffer dstV, int dstStrideV, int width, int height) {
+ nativeABGRToI420(
+ src, srcStride, dstY, dstStrideY, dstU, dstStrideU, dstV, dstStrideV, width, height);
+ }
+
+ /**
+ * Copies I420 to the I420 dst buffer.
+ * <p> Unlike `libyuv::I420Copy`, this function checks if the height <= 0, so flipping is not
+ * supported.
+ */
+ public static void I420Copy(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
+ ByteBuffer srcV, int srcStrideV, ByteBuffer dstY, int dstStrideY, ByteBuffer dstU,
+ int dstStrideU, ByteBuffer dstV, int dstStrideV, int width, int height) {
+ if (srcY == null || srcU == null || srcV == null || dstY == null || dstU == null || dstV == null
+ || width <= 0 || height <= 0) {
+ throw new IllegalArgumentException("Invalid I420Copy input arguments");
+ }
+ nativeI420Copy(srcY, srcStrideY, srcU, srcStrideU, srcV, srcStrideV, dstY, dstStrideY, dstU,
+ dstStrideU, dstV, dstStrideV, width, height);
+ }
+
+ public static void I420ToNV12(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
+ ByteBuffer srcV, int srcStrideV, ByteBuffer dstY, int dstStrideY, ByteBuffer dstUV,
+ int dstStrideUV, int width, int height) {
+ if (srcY == null || srcU == null || srcV == null || dstY == null || dstUV == null || width <= 0
+ || height <= 0) {
+ throw new IllegalArgumentException("Invalid I420ToNV12 input arguments");
+ }
+ nativeI420ToNV12(srcY, srcStrideY, srcU, srcStrideU, srcV, srcStrideV, dstY, dstStrideY, dstUV,
+ dstStrideUV, width, height);
+ }
+
+ public static void I420Rotate(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
+ ByteBuffer srcV, int srcStrideV, ByteBuffer dstY, int dstStrideY, ByteBuffer dstU,
+ int dstStrideU, ByteBuffer dstV, int dstStrideV, int srcWidth, int srcHeight,
+ int rotationMode) {
+ nativeI420Rotate(srcY, srcStrideY, srcU, srcStrideU, srcV, srcStrideV, dstY, dstStrideY, dstU,
+ dstStrideU, dstV, dstStrideV, srcWidth, srcHeight, rotationMode);
+ }
+
+ private static native void nativeCopyPlane(
+ ByteBuffer src, int srcStride, ByteBuffer dst, int dstStride, int width, int height);
+ private static native void nativeI420Copy(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU,
+ int srcStrideU, ByteBuffer srcV, int srcStrideV, ByteBuffer dstY, int dstStrideY,
+ ByteBuffer dstU, int dstStrideU, ByteBuffer dstV, int dstStrideV, int width, int height);
+ private static native void nativeI420ToNV12(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU,
+ int srcStrideU, ByteBuffer srcV, int srcStrideV, ByteBuffer dstY, int dstStrideY,
+ ByteBuffer dstUV, int dstStrideUV, int width, int height);
+ private static native void nativeI420Rotate(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU,
+ int srcStrideU, ByteBuffer srcV, int srcStrideV, ByteBuffer dstY, int dstStrideY,
+ ByteBuffer dstU, int dstStrideU, ByteBuffer dstV, int dstStrideV, int srcWidth, int srcHeight,
+ int rotationMode);
+ private static native void nativeABGRToI420(ByteBuffer src, int srcStride, ByteBuffer dstY,
+ int dstStrideY, ByteBuffer dstU, int dstStrideU, ByteBuffer dstV, int dstStrideV, int width,
+ int height);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/AudioDeviceModule.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/AudioDeviceModule.java
new file mode 100644
index 0000000000..502c68cc9a
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/AudioDeviceModule.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc.audio;
+
+/**
+ * This interface is a thin wrapper on top of a native C++ webrtc::AudioDeviceModule (ADM). The
+ * reason for basing it on a native ADM instead of a pure Java interface is that we have two native
+ * Android implementations (OpenSLES and AAudio) that does not make sense to wrap through JNI.
+ *
+ * <p>Note: This class is still under development and may change without notice.
+ */
+public interface AudioDeviceModule {
+ /**
+ * Returns a C++ pointer to a webrtc::AudioDeviceModule. Caller does _not_ take ownership and
+ * lifetime is handled through the release() call.
+ */
+ long getNativeAudioDeviceModulePointer();
+
+ /**
+ * Release resources for this AudioDeviceModule, including native resources. The object should not
+ * be used after this call.
+ */
+ void release();
+
+ /** Control muting/unmuting the speaker. */
+ void setSpeakerMute(boolean mute);
+
+ /** Control muting/unmuting the microphone. */
+ void setMicrophoneMute(boolean mute);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/JavaAudioDeviceModule.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/JavaAudioDeviceModule.java
new file mode 100644
index 0000000000..d3d57602a8
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/JavaAudioDeviceModule.java
@@ -0,0 +1,436 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc.audio;
+
+import android.content.Context;
+import android.media.AudioAttributes;
+import android.media.AudioDeviceInfo;
+import android.media.AudioManager;
+import android.os.Build;
+import androidx.annotation.RequiresApi;
+import java.util.concurrent.ScheduledExecutorService;
+import org.webrtc.JniCommon;
+import org.webrtc.Logging;
+
+/**
+ * AudioDeviceModule implemented using android.media.AudioRecord as input and
+ * android.media.AudioTrack as output.
+ */
+public class JavaAudioDeviceModule implements AudioDeviceModule {
+ private static final String TAG = "JavaAudioDeviceModule";
+
+ public static Builder builder(Context context) {
+ return new Builder(context);
+ }
+
+ public static class Builder {
+ private final Context context;
+ private ScheduledExecutorService scheduler;
+ private final AudioManager audioManager;
+ private int inputSampleRate;
+ private int outputSampleRate;
+ private int audioSource = WebRtcAudioRecord.DEFAULT_AUDIO_SOURCE;
+ private int audioFormat = WebRtcAudioRecord.DEFAULT_AUDIO_FORMAT;
+ private AudioTrackErrorCallback audioTrackErrorCallback;
+ private AudioRecordErrorCallback audioRecordErrorCallback;
+ private SamplesReadyCallback samplesReadyCallback;
+ private AudioTrackStateCallback audioTrackStateCallback;
+ private AudioRecordStateCallback audioRecordStateCallback;
+ private boolean useHardwareAcousticEchoCanceler = isBuiltInAcousticEchoCancelerSupported();
+ private boolean useHardwareNoiseSuppressor = isBuiltInNoiseSuppressorSupported();
+ private boolean useStereoInput;
+ private boolean useStereoOutput;
+ private AudioAttributes audioAttributes;
+ private boolean useLowLatency;
+ private boolean enableVolumeLogger;
+
+ private Builder(Context context) {
+ this.context = context;
+ this.audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
+ this.inputSampleRate = WebRtcAudioManager.getSampleRate(audioManager);
+ this.outputSampleRate = WebRtcAudioManager.getSampleRate(audioManager);
+ this.useLowLatency = false;
+ this.enableVolumeLogger = true;
+ }
+
+ public Builder setScheduler(ScheduledExecutorService scheduler) {
+ this.scheduler = scheduler;
+ return this;
+ }
+
+ /**
+ * Call this method if the default handling of querying the native sample rate shall be
+ * overridden. Can be useful on some devices where the available Android APIs are known to
+ * return invalid results.
+ */
+ public Builder setSampleRate(int sampleRate) {
+ Logging.d(TAG, "Input/Output sample rate overridden to: " + sampleRate);
+ this.inputSampleRate = sampleRate;
+ this.outputSampleRate = sampleRate;
+ return this;
+ }
+
+ /**
+ * Call this method to specifically override input sample rate.
+ */
+ public Builder setInputSampleRate(int inputSampleRate) {
+ Logging.d(TAG, "Input sample rate overridden to: " + inputSampleRate);
+ this.inputSampleRate = inputSampleRate;
+ return this;
+ }
+
+ /**
+ * Call this method to specifically override output sample rate.
+ */
+ public Builder setOutputSampleRate(int outputSampleRate) {
+ Logging.d(TAG, "Output sample rate overridden to: " + outputSampleRate);
+ this.outputSampleRate = outputSampleRate;
+ return this;
+ }
+
+ /**
+ * Call this to change the audio source. The argument should be one of the values from
+ * android.media.MediaRecorder.AudioSource. The default is AudioSource.VOICE_COMMUNICATION.
+ */
+ public Builder setAudioSource(int audioSource) {
+ this.audioSource = audioSource;
+ return this;
+ }
+
+ /**
+ * Call this to change the audio format. The argument should be one of the values from
+ * android.media.AudioFormat ENCODING_PCM_8BIT, ENCODING_PCM_16BIT or ENCODING_PCM_FLOAT.
+ * Default audio data format is PCM 16 bit per sample.
+ * Guaranteed to be supported by all devices.
+ */
+ public Builder setAudioFormat(int audioFormat) {
+ this.audioFormat = audioFormat;
+ return this;
+ }
+
+ /**
+ * Set a callback to retrieve errors from the AudioTrack.
+ */
+ public Builder setAudioTrackErrorCallback(AudioTrackErrorCallback audioTrackErrorCallback) {
+ this.audioTrackErrorCallback = audioTrackErrorCallback;
+ return this;
+ }
+
+ /**
+ * Set a callback to retrieve errors from the AudioRecord.
+ */
+ public Builder setAudioRecordErrorCallback(AudioRecordErrorCallback audioRecordErrorCallback) {
+ this.audioRecordErrorCallback = audioRecordErrorCallback;
+ return this;
+ }
+
+ /**
+ * Set a callback to listen to the raw audio input from the AudioRecord.
+ */
+ public Builder setSamplesReadyCallback(SamplesReadyCallback samplesReadyCallback) {
+ this.samplesReadyCallback = samplesReadyCallback;
+ return this;
+ }
+
+ /**
+ * Set a callback to retrieve information from the AudioTrack on when audio starts and stop.
+ */
+ public Builder setAudioTrackStateCallback(AudioTrackStateCallback audioTrackStateCallback) {
+ this.audioTrackStateCallback = audioTrackStateCallback;
+ return this;
+ }
+
+ /**
+ * Set a callback to retrieve information from the AudioRecord on when audio starts and stops.
+ */
+ public Builder setAudioRecordStateCallback(AudioRecordStateCallback audioRecordStateCallback) {
+ this.audioRecordStateCallback = audioRecordStateCallback;
+ return this;
+ }
+
+ /**
+ * Control if the built-in HW noise suppressor should be used or not. The default is on if it is
+ * supported. It is possible to query support by calling isBuiltInNoiseSuppressorSupported().
+ */
+ public Builder setUseHardwareNoiseSuppressor(boolean useHardwareNoiseSuppressor) {
+ if (useHardwareNoiseSuppressor && !isBuiltInNoiseSuppressorSupported()) {
+ Logging.e(TAG, "HW NS not supported");
+ useHardwareNoiseSuppressor = false;
+ }
+ this.useHardwareNoiseSuppressor = useHardwareNoiseSuppressor;
+ return this;
+ }
+
+ /**
+ * Control if the built-in HW acoustic echo canceler should be used or not. The default is on if
+ * it is supported. It is possible to query support by calling
+ * isBuiltInAcousticEchoCancelerSupported().
+ */
+ public Builder setUseHardwareAcousticEchoCanceler(boolean useHardwareAcousticEchoCanceler) {
+ if (useHardwareAcousticEchoCanceler && !isBuiltInAcousticEchoCancelerSupported()) {
+ Logging.e(TAG, "HW AEC not supported");
+ useHardwareAcousticEchoCanceler = false;
+ }
+ this.useHardwareAcousticEchoCanceler = useHardwareAcousticEchoCanceler;
+ return this;
+ }
+
+ /**
+ * Control if stereo input should be used or not. The default is mono.
+ */
+ public Builder setUseStereoInput(boolean useStereoInput) {
+ this.useStereoInput = useStereoInput;
+ return this;
+ }
+
+ /**
+ * Control if stereo output should be used or not. The default is mono.
+ */
+ public Builder setUseStereoOutput(boolean useStereoOutput) {
+ this.useStereoOutput = useStereoOutput;
+ return this;
+ }
+
+ /**
+ * Control if the low-latency mode should be used. The default is disabled.
+ */
+ public Builder setUseLowLatency(boolean useLowLatency) {
+ this.useLowLatency = useLowLatency;
+ return this;
+ }
+
+ /**
+ * Set custom {@link AudioAttributes} to use.
+ */
+ public Builder setAudioAttributes(AudioAttributes audioAttributes) {
+ this.audioAttributes = audioAttributes;
+ return this;
+ }
+
+ /** Disables the volume logger on the audio output track. */
+ public Builder setEnableVolumeLogger(boolean enableVolumeLogger) {
+ this.enableVolumeLogger = enableVolumeLogger;
+ return this;
+ }
+
+ /**
+ * Construct an AudioDeviceModule based on the supplied arguments. The caller takes ownership
+ * and is responsible for calling release().
+ */
+ public JavaAudioDeviceModule createAudioDeviceModule() {
+ Logging.d(TAG, "createAudioDeviceModule");
+ if (useHardwareNoiseSuppressor) {
+ Logging.d(TAG, "HW NS will be used.");
+ } else {
+ if (isBuiltInNoiseSuppressorSupported()) {
+ Logging.d(TAG, "Overriding default behavior; now using WebRTC NS!");
+ }
+ Logging.d(TAG, "HW NS will not be used.");
+ }
+ if (useHardwareAcousticEchoCanceler) {
+ Logging.d(TAG, "HW AEC will be used.");
+ } else {
+ if (isBuiltInAcousticEchoCancelerSupported()) {
+ Logging.d(TAG, "Overriding default behavior; now using WebRTC AEC!");
+ }
+ Logging.d(TAG, "HW AEC will not be used.");
+ }
+ // Low-latency mode was introduced in API version 26, see
+ // https://developer.android.com/reference/android/media/AudioTrack#PERFORMANCE_MODE_LOW_LATENCY
+ final int MIN_LOW_LATENCY_SDK_VERSION = 26;
+ if (useLowLatency && Build.VERSION.SDK_INT >= MIN_LOW_LATENCY_SDK_VERSION) {
+ Logging.d(TAG, "Low latency mode will be used.");
+ }
+ ScheduledExecutorService executor = this.scheduler;
+ if (executor == null) {
+ executor = WebRtcAudioRecord.newDefaultScheduler();
+ }
+ final WebRtcAudioRecord audioInput = new WebRtcAudioRecord(context, executor, audioManager,
+ audioSource, audioFormat, audioRecordErrorCallback, audioRecordStateCallback,
+ samplesReadyCallback, useHardwareAcousticEchoCanceler, useHardwareNoiseSuppressor);
+ final WebRtcAudioTrack audioOutput =
+ new WebRtcAudioTrack(context, audioManager, audioAttributes, audioTrackErrorCallback,
+ audioTrackStateCallback, useLowLatency, enableVolumeLogger);
+ return new JavaAudioDeviceModule(context, audioManager, audioInput, audioOutput,
+ inputSampleRate, outputSampleRate, useStereoInput, useStereoOutput);
+ }
+ }
+
+ /* AudioRecord */
+ // Audio recording error handler functions.
+ public enum AudioRecordStartErrorCode {
+ AUDIO_RECORD_START_EXCEPTION,
+ AUDIO_RECORD_START_STATE_MISMATCH,
+ }
+
+ public static interface AudioRecordErrorCallback {
+ void onWebRtcAudioRecordInitError(String errorMessage);
+ void onWebRtcAudioRecordStartError(AudioRecordStartErrorCode errorCode, String errorMessage);
+ void onWebRtcAudioRecordError(String errorMessage);
+ }
+
+ /** Called when audio recording starts and stops. */
+ public static interface AudioRecordStateCallback {
+ void onWebRtcAudioRecordStart();
+ void onWebRtcAudioRecordStop();
+ }
+
+ /**
+ * Contains audio sample information.
+ */
+ public static class AudioSamples {
+ /** See {@link AudioRecord#getAudioFormat()} */
+ private final int audioFormat;
+ /** See {@link AudioRecord#getChannelCount()} */
+ private final int channelCount;
+ /** See {@link AudioRecord#getSampleRate()} */
+ private final int sampleRate;
+
+ private final byte[] data;
+
+ public AudioSamples(int audioFormat, int channelCount, int sampleRate, byte[] data) {
+ this.audioFormat = audioFormat;
+ this.channelCount = channelCount;
+ this.sampleRate = sampleRate;
+ this.data = data;
+ }
+
+ public int getAudioFormat() {
+ return audioFormat;
+ }
+
+ public int getChannelCount() {
+ return channelCount;
+ }
+
+ public int getSampleRate() {
+ return sampleRate;
+ }
+
+ public byte[] getData() {
+ return data;
+ }
+ }
+
+ /** Called when new audio samples are ready. This should only be set for debug purposes */
+ public static interface SamplesReadyCallback {
+ void onWebRtcAudioRecordSamplesReady(AudioSamples samples);
+ }
+
+ /* AudioTrack */
+ // Audio playout/track error handler functions.
+ public enum AudioTrackStartErrorCode {
+ AUDIO_TRACK_START_EXCEPTION,
+ AUDIO_TRACK_START_STATE_MISMATCH,
+ }
+
+ public static interface AudioTrackErrorCallback {
+ void onWebRtcAudioTrackInitError(String errorMessage);
+ void onWebRtcAudioTrackStartError(AudioTrackStartErrorCode errorCode, String errorMessage);
+ void onWebRtcAudioTrackError(String errorMessage);
+ }
+
+ /** Called when audio playout starts and stops. */
+ public static interface AudioTrackStateCallback {
+ void onWebRtcAudioTrackStart();
+ void onWebRtcAudioTrackStop();
+ }
+
+ /**
+ * Returns true if the device supports built-in HW AEC, and the UUID is approved (some UUIDs can
+ * be excluded).
+ */
+ public static boolean isBuiltInAcousticEchoCancelerSupported() {
+ return WebRtcAudioEffects.isAcousticEchoCancelerSupported();
+ }
+
+ /**
+ * Returns true if the device supports built-in HW NS, and the UUID is approved (some UUIDs can be
+ * excluded).
+ */
+ public static boolean isBuiltInNoiseSuppressorSupported() {
+ return WebRtcAudioEffects.isNoiseSuppressorSupported();
+ }
+
+ private final Context context;
+ private final AudioManager audioManager;
+ private final WebRtcAudioRecord audioInput;
+ private final WebRtcAudioTrack audioOutput;
+ private final int inputSampleRate;
+ private final int outputSampleRate;
+ private final boolean useStereoInput;
+ private final boolean useStereoOutput;
+
+ private final Object nativeLock = new Object();
+ private long nativeAudioDeviceModule;
+
+ private JavaAudioDeviceModule(Context context, AudioManager audioManager,
+ WebRtcAudioRecord audioInput, WebRtcAudioTrack audioOutput, int inputSampleRate,
+ int outputSampleRate, boolean useStereoInput, boolean useStereoOutput) {
+ this.context = context;
+ this.audioManager = audioManager;
+ this.audioInput = audioInput;
+ this.audioOutput = audioOutput;
+ this.inputSampleRate = inputSampleRate;
+ this.outputSampleRate = outputSampleRate;
+ this.useStereoInput = useStereoInput;
+ this.useStereoOutput = useStereoOutput;
+ }
+
+ @Override
+ public long getNativeAudioDeviceModulePointer() {
+ synchronized (nativeLock) {
+ if (nativeAudioDeviceModule == 0) {
+ nativeAudioDeviceModule = nativeCreateAudioDeviceModule(context, audioManager, audioInput,
+ audioOutput, inputSampleRate, outputSampleRate, useStereoInput, useStereoOutput);
+ }
+ return nativeAudioDeviceModule;
+ }
+ }
+
+ @Override
+ public void release() {
+ synchronized (nativeLock) {
+ if (nativeAudioDeviceModule != 0) {
+ JniCommon.nativeReleaseRef(nativeAudioDeviceModule);
+ nativeAudioDeviceModule = 0;
+ }
+ }
+ }
+
+ @Override
+ public void setSpeakerMute(boolean mute) {
+ Logging.d(TAG, "setSpeakerMute: " + mute);
+ audioOutput.setSpeakerMute(mute);
+ }
+
+ @Override
+ public void setMicrophoneMute(boolean mute) {
+ Logging.d(TAG, "setMicrophoneMute: " + mute);
+ audioInput.setMicrophoneMute(mute);
+ }
+
+ /**
+ * Start to prefer a specific {@link AudioDeviceInfo} device for recording. Typically this should
+ * only be used if a client gives an explicit option for choosing a physical device to record
+ * from. Otherwise the best-matching device for other parameters will be used. Calling after
+ * recording is started may cause a temporary interruption if the audio routing changes.
+ */
+ @RequiresApi(Build.VERSION_CODES.M)
+ public void setPreferredInputDevice(AudioDeviceInfo preferredInputDevice) {
+ Logging.d(TAG, "setPreferredInputDevice: " + preferredInputDevice);
+ audioInput.setPreferredDevice(preferredInputDevice);
+ }
+
+ private static native long nativeCreateAudioDeviceModule(Context context,
+ AudioManager audioManager, WebRtcAudioRecord audioInput, WebRtcAudioTrack audioOutput,
+ int inputSampleRate, int outputSampleRate, boolean useStereoInput, boolean useStereoOutput);
+}
diff --git a/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/LegacyAudioDeviceModule.java b/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/LegacyAudioDeviceModule.java
new file mode 100644
index 0000000000..de0d0d61f9
--- /dev/null
+++ b/third_party/libwebrtc/sdk/android/api/org/webrtc/audio/LegacyAudioDeviceModule.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc.audio;
+
+import org.webrtc.voiceengine.WebRtcAudioRecord;
+import org.webrtc.voiceengine.WebRtcAudioTrack;
+
+/**
+ * This class represents the legacy AudioDeviceModule that is currently hardcoded into C++ WebRTC.
+ * It will return a null native AudioDeviceModule pointer, leading to an internal object being
+ * created inside WebRTC that is controlled by static calls to the classes under the voiceengine
+ * package. Please use the new JavaAudioDeviceModule instead of this class.
+ */
+@Deprecated
+public class LegacyAudioDeviceModule implements AudioDeviceModule {
+ @Override
+ public long getNativeAudioDeviceModulePointer() {
+ // Returning a null pointer will make WebRTC construct the built-in legacy AudioDeviceModule for
+ // Android internally.
+ return 0;
+ }
+
+ @Override
+ public void release() {
+ // All control for this ADM goes through static global methods and the C++ object is owned
+ // internally by WebRTC.
+ }
+
+ @Override
+ public void setSpeakerMute(boolean mute) {
+ WebRtcAudioTrack.setSpeakerMute(mute);
+ }
+
+ @Override
+ public void setMicrophoneMute(boolean mute) {
+ WebRtcAudioRecord.setMicrophoneMute(mute);
+ }
+}