e7592d8d5f
Bug: webrtc:8881 Change-Id: Ida2ef6c003567d19529c21629c916ed40e8de3a6 Reviewed-on: https://webrtc-review.googlesource.com/63380 Commit-Queue: Sami Kalliomäki <sakal@webrtc.org> Reviewed-by: Paulina Hensman <phensman@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22563}
83 lines
3.4 KiB
Java
83 lines
3.4 KiB
Java
/*
|
|
* 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.MediaCodec;
|
|
import android.media.MediaCodecInfo;
|
|
import android.media.MediaCodecInfo.CodecCapabilities;
|
|
import javax.annotation.Nullable;
|
|
|
|
/** Container class for static constants and helpers used with MediaCodec. */
|
|
@TargetApi(18)
|
|
// 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.";
|
|
|
|
// 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 = {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, VideoCodecType type) {
|
|
for (String mimeType : info.getSupportedTypes()) {
|
|
if (type.mimeType().equals(mimeType)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private MediaCodecUtils() {
|
|
// This class should not be instantiated.
|
|
}
|
|
}
|