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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/sdk/android/src/java/org/webrtc/NativeCapturerObserver.java | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/android/src/java/org/webrtc/NativeCapturerObserver.java b/third_party/libwebrtc/sdk/android/src/java/org/webrtc/NativeCapturerObserver.java new file mode 100644 index 0000000000..c195fb3a4c --- /dev/null +++ b/third_party/libwebrtc/sdk/android/src/java/org/webrtc/NativeCapturerObserver.java @@ -0,0 +1,53 @@ +/* + * Copyright (c) 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 org.webrtc.VideoFrame; + +/** + * Used from native api and implements a simple VideoCapturer.CapturerObserver that feeds frames to + * a webrtc::jni::AndroidVideoTrackSource. + */ +class NativeCapturerObserver implements CapturerObserver { + private final NativeAndroidVideoTrackSource nativeAndroidVideoTrackSource; + + @CalledByNative + public NativeCapturerObserver(long nativeSource) { + this.nativeAndroidVideoTrackSource = new NativeAndroidVideoTrackSource(nativeSource); + } + + @Override + public void onCapturerStarted(boolean success) { + nativeAndroidVideoTrackSource.setState(success); + } + + @Override + public void onCapturerStopped() { + nativeAndroidVideoTrackSource.setState(/* isLive= */ false); + } + + @Override + public void onFrameCaptured(VideoFrame frame) { + final VideoProcessor.FrameAdaptationParameters parameters = + nativeAndroidVideoTrackSource.adaptFrame(frame); + if (parameters == null) { + // Drop frame. + return; + } + + final VideoFrame.Buffer adaptedBuffer = + frame.getBuffer().cropAndScale(parameters.cropX, parameters.cropY, parameters.cropWidth, + parameters.cropHeight, parameters.scaleWidth, parameters.scaleHeight); + nativeAndroidVideoTrackSource.onFrameCaptured( + new VideoFrame(adaptedBuffer, frame.getRotation(), parameters.timestampNs)); + adaptedBuffer.release(); + } +} |