diff options
Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/sdk/android/src/java/org/webrtc/MediaCodecUtils.java | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/android/src/java/org/webrtc/MediaCodecUtils.java b/third_party/libwebrtc/sdk/android/src/java/org/webrtc/MediaCodecUtils.java new file mode 100644 index 0000000000..d5ccae9688 --- /dev/null +++ b/third_party/libwebrtc/sdk/android/src/java/org/webrtc/MediaCodecUtils.java @@ -0,0 +1,129 @@ +/* + * 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.annotation.TargetApi; +import android.media.MediaCodecInfo; +import android.media.MediaCodecInfo.CodecCapabilities; +import android.os.Build; +import androidx.annotation.Nullable; +import java.util.HashMap; +import java.util.Map; + +/** Container class for static constants and helpers used with MediaCodec. */ +// We are forced to use the old API because we want to support API level < 21. +@SuppressWarnings("deprecation") +class MediaCodecUtils { + private static final String TAG = "MediaCodecUtils"; + + // Prefixes for supported hardware encoder/decoder component names. + static final String EXYNOS_PREFIX = "OMX.Exynos."; + static final String INTEL_PREFIX = "OMX.Intel."; + static final String NVIDIA_PREFIX = "OMX.Nvidia."; + static final String QCOM_PREFIX = "OMX.qcom."; + static final String[] SOFTWARE_IMPLEMENTATION_PREFIXES = { + "OMX.google.", "OMX.SEC.", "c2.android"}; + + // NV12 color format supported by QCOM codec, but not declared in MediaCodec - + // see /hardware/qcom/media/mm-core/inc/OMX_QCOMExtns.h + static final int COLOR_QCOM_FORMATYVU420PackedSemiPlanar32m4ka = 0x7FA30C01; + static final int COLOR_QCOM_FORMATYVU420PackedSemiPlanar16m4ka = 0x7FA30C02; + static final int COLOR_QCOM_FORMATYVU420PackedSemiPlanar64x32Tile2m8ka = 0x7FA30C03; + static final int COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m = 0x7FA30C04; + + // Color formats supported by hardware decoder - in order of preference. + static final int[] DECODER_COLOR_FORMATS = new int[] {CodecCapabilities.COLOR_FormatYUV420Planar, + CodecCapabilities.COLOR_FormatYUV420SemiPlanar, + CodecCapabilities.COLOR_QCOM_FormatYUV420SemiPlanar, + MediaCodecUtils.COLOR_QCOM_FORMATYVU420PackedSemiPlanar32m4ka, + MediaCodecUtils.COLOR_QCOM_FORMATYVU420PackedSemiPlanar16m4ka, + MediaCodecUtils.COLOR_QCOM_FORMATYVU420PackedSemiPlanar64x32Tile2m8ka, + MediaCodecUtils.COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m}; + + // Color formats supported by hardware encoder - in order of preference. + static final int[] ENCODER_COLOR_FORMATS = { + MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420Planar, + MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420SemiPlanar, + MediaCodecInfo.CodecCapabilities.COLOR_QCOM_FormatYUV420SemiPlanar, + MediaCodecUtils.COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m}; + + // Color formats supported by texture mode encoding - in order of preference. + static final int[] TEXTURE_COLOR_FORMATS = + new int[] {MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface}; + + static @Nullable Integer selectColorFormat( + int[] supportedColorFormats, CodecCapabilities capabilities) { + for (int supportedColorFormat : supportedColorFormats) { + for (int codecColorFormat : capabilities.colorFormats) { + if (codecColorFormat == supportedColorFormat) { + return codecColorFormat; + } + } + } + return null; + } + + static boolean codecSupportsType(MediaCodecInfo info, VideoCodecMimeType type) { + for (String mimeType : info.getSupportedTypes()) { + if (type.mimeType().equals(mimeType)) { + return true; + } + } + return false; + } + + static Map<String, String> getCodecProperties(VideoCodecMimeType type, boolean highProfile) { + switch (type) { + case VP8: + case VP9: + case AV1: + return new HashMap<String, String>(); + case H264: + return H264Utils.getDefaultH264Params(highProfile); + default: + throw new IllegalArgumentException("Unsupported codec: " + type); + } + } + + static boolean isHardwareAccelerated(MediaCodecInfo info) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { + return isHardwareAcceleratedQOrHigher(info); + } + return !isSoftwareOnly(info); + } + + @TargetApi(29) + private static boolean isHardwareAcceleratedQOrHigher(android.media.MediaCodecInfo codecInfo) { + return codecInfo.isHardwareAccelerated(); + } + + static boolean isSoftwareOnly(android.media.MediaCodecInfo codecInfo) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { + return isSoftwareOnlyQOrHigher(codecInfo); + } + String name = codecInfo.getName(); + for (String prefix : SOFTWARE_IMPLEMENTATION_PREFIXES) { + if (name.startsWith(prefix)) { + return true; + } + } + return false; + } + + @TargetApi(29) + private static boolean isSoftwareOnlyQOrHigher(android.media.MediaCodecInfo codecInfo) { + return codecInfo.isSoftwareOnly(); + } + + private MediaCodecUtils() { + // This class should not be instantiated. + } +} |