cc02cb595f
The default implementation of the method is to return an empty list. Clients should update their implementations before WebRTC starts calling this method. Also updates internal WebRTC implentations of this interface to implement the method. Bug: webrtc:7925 Change-Id: I258de2f09f6d4cc5dd9f4657e5d54e8411f8f5d8 Reviewed-on: https://webrtc-review.googlesource.com/77641 Reviewed-by: Anders Carlsson <andersc@webrtc.org> Commit-Queue: Sami Kalliomäki <sakal@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23325}
103 lines
4.2 KiB
Java
103 lines
4.2 KiB
Java
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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package org.webrtc;
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import android.annotation.TargetApi;
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import android.media.MediaCodec;
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import android.media.MediaCodecInfo;
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import android.media.MediaCodecInfo.CodecCapabilities;
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import java.util.HashMap;
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import java.util.Map;
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import javax.annotation.Nullable;
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/** Container class for static constants and helpers used with MediaCodec. */
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@TargetApi(18)
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// We are forced to use the old API because we want to support API level < 21.
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@SuppressWarnings("deprecation")
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class MediaCodecUtils {
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private static final String TAG = "MediaCodecUtils";
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// Prefixes for supported hardware encoder/decoder component names.
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static final String EXYNOS_PREFIX = "OMX.Exynos.";
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static final String INTEL_PREFIX = "OMX.Intel.";
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static final String NVIDIA_PREFIX = "OMX.Nvidia.";
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static final String QCOM_PREFIX = "OMX.qcom.";
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// NV12 color format supported by QCOM codec, but not declared in MediaCodec -
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// see /hardware/qcom/media/mm-core/inc/OMX_QCOMExtns.h
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static final int COLOR_QCOM_FORMATYVU420PackedSemiPlanar32m4ka = 0x7FA30C01;
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static final int COLOR_QCOM_FORMATYVU420PackedSemiPlanar16m4ka = 0x7FA30C02;
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static final int COLOR_QCOM_FORMATYVU420PackedSemiPlanar64x32Tile2m8ka = 0x7FA30C03;
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static final int COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m = 0x7FA30C04;
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// Color formats supported by hardware decoder - in order of preference.
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static final int[] DECODER_COLOR_FORMATS = new int[] {CodecCapabilities.COLOR_FormatYUV420Planar,
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CodecCapabilities.COLOR_FormatYUV420SemiPlanar,
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CodecCapabilities.COLOR_QCOM_FormatYUV420SemiPlanar,
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MediaCodecUtils.COLOR_QCOM_FORMATYVU420PackedSemiPlanar32m4ka,
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MediaCodecUtils.COLOR_QCOM_FORMATYVU420PackedSemiPlanar16m4ka,
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MediaCodecUtils.COLOR_QCOM_FORMATYVU420PackedSemiPlanar64x32Tile2m8ka,
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MediaCodecUtils.COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m};
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// Color formats supported by hardware encoder - in order of preference.
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static final int[] ENCODER_COLOR_FORMATS = {
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MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420Planar,
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MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420SemiPlanar,
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MediaCodecInfo.CodecCapabilities.COLOR_QCOM_FormatYUV420SemiPlanar,
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MediaCodecUtils.COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m};
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// Color formats supported by texture mode encoding - in order of preference.
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static final int[] TEXTURE_COLOR_FORMATS = {MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface};
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static @Nullable Integer selectColorFormat(
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int[] supportedColorFormats, CodecCapabilities capabilities) {
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for (int supportedColorFormat : supportedColorFormats) {
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for (int codecColorFormat : capabilities.colorFormats) {
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if (codecColorFormat == supportedColorFormat) {
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return codecColorFormat;
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}
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}
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}
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return null;
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}
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static boolean codecSupportsType(MediaCodecInfo info, VideoCodecType type) {
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for (String mimeType : info.getSupportedTypes()) {
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if (type.mimeType().equals(mimeType)) {
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return true;
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}
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}
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return false;
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}
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static Map<String, String> getCodecProperties(VideoCodecType type, boolean highProfile) {
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switch (type) {
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case VP8:
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case VP9:
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return new HashMap<String, String>();
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case H264:
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Map<String, String> properties = new HashMap<>();
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properties.put(VideoCodecInfo.H264_FMTP_LEVEL_ASYMMETRY_ALLOWED, "1");
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properties.put(VideoCodecInfo.H264_FMTP_PACKETIZATION_MODE, "1");
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properties.put(VideoCodecInfo.H264_FMTP_PROFILE_LEVEL_ID,
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highProfile ? VideoCodecInfo.H264_CONSTRAINED_HIGH_3_1
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: VideoCodecInfo.H264_CONSTRAINED_BASELINE_3_1);
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return properties;
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default:
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throw new IllegalArgumentException("Unsupported codec: " + type);
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}
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}
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private MediaCodecUtils() {
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// This class should not be instantiated.
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}
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}
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