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Allow matroska mime types for video element and MSE

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Allow avc (h.264) content in matroska/webm containers
This commit is contained in:
Jeroen Vreeken 2019-07-10 11:05:38 +02:00 • committed by Roy Tam
commit a960d679d5
8 changed files with 44 additions and 5 deletions
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3
dom/media/fmp4/MP4Decoder.cpp
View file

@ -180,7 +180,8 @@ bool
MP4Decoder::IsH264(const nsACString& aMimeType)
{
return aMimeType.EqualsLiteral("video/mp4") ||
aMimeType.EqualsLiteral("video/avc");
aMimeType.EqualsLiteral("video/avc") ||
aMimeType.EqualsLiteral("video/webm; codecs=avc1");
}
/* static */

3
dom/media/mediasource/ContainerParser.cpp
View file

@ -697,6 +697,9 @@ ContainerParser::CreateForMIMEType(const nsACString& aType)
if (aType.LowerCaseEqualsLiteral("video/webm") || aType.LowerCaseEqualsLiteral("audio/webm")) {
return new WebMContainerParser(aType);
}
if (aType.LowerCaseEqualsLiteral("video/x-matroska")) {
return new WebMContainerParser(aType);
}
#ifdef MOZ_FMP4
if (aType.LowerCaseEqualsLiteral("video/mp4") || aType.LowerCaseEqualsLiteral("audio/mp4")) {

3
dom/media/mediasource/MediaSource.cpp
View file

@ -110,7 +110,8 @@ MediaSource::IsTypeSupported(const nsAString& aType, DecoderDoctorDiagnostics* a
}
return NS_OK;
}
if (mimeType.EqualsASCII("video/webm")) {
if (mimeType.EqualsASCII("video/webm") ||
mimeType.EqualsASCII("video/x-matroska")) {
if (!(Preferences::GetBool("media.mediasource.webm.enabled", false) ||
IsWebMForced(aDiagnostics))) {
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;

1
dom/media/mediasource/TrackBuffersManager.cpp
View file

@ -814,6 +814,7 @@ TrackBuffersManager::CreateDemuxerforMIMEType()
ShutdownDemuxers();
if (mType.LowerCaseEqualsLiteral("video/webm") ||
mType.LowerCaseEqualsLiteral("video/x-matroska") ||
mType.LowerCaseEqualsLiteral("audio/webm")) {
mInputDemuxer = new WebMDemuxer(mCurrentInputBuffer, true /* IsMediaSource*/ );
return;

7
dom/media/webm/WebMDecoder.cpp
View file

@ -41,7 +41,7 @@ WebMDecoder::CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
}
const bool isWebMAudio = aMIMETypeExcludingCodecs.EqualsASCII("audio/webm");
const bool isWebMVideo = aMIMETypeExcludingCodecs.EqualsASCII("video/webm");
const bool isWebMVideo = aMIMETypeExcludingCodecs.EqualsASCII("video/webm") || aMIMETypeExcludingCodecs.EqualsASCII("video/x-matroska") ;
if (!isWebMAudio && !isWebMVideo) {
return false;
}
@ -74,6 +74,11 @@ WebMDecoder::CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
continue;
}
#endif
if (IsH264CodecString(codec)) {
continue;
}
// Some unsupported codec.
return false;
}

24
dom/media/webm/WebMDemuxer.cpp
View file

@ -326,6 +326,20 @@ WebMDemuxer::ReadMetadata()
case NESTEGG_CODEC_AV1:
mInfo.mVideo.mMimeType = "video/webm; codecs=av1";
break;
case NESTEGG_CODEC_AVC1: {
mInfo.mVideo.mMimeType = "video/webm; codecs=avc1";
unsigned char* data = 0;
size_t length = 0;
r = nestegg_track_codec_data(context, track, 0, &data, &length);
if (r == -1) {
return NS_ERROR_FAILURE;
}
mInfo.mVideo.mExtraData = new MediaByteBuffer(length);
mInfo.mVideo.mExtraData->AppendElements(data, length);
break;
}
default:
NS_WARNING("Unknown WebM video codec");
return NS_ERROR_FAILURE;
@ -662,6 +676,9 @@ WebMDemuxer::GetNextPacket(TrackInfo::TrackType aType, MediaRawDataQueue *aSampl
isKeyframe = AOMDecoder::IsKeyframe(sample);
break;
#endif
case NESTEGG_CODEC_AVC1:
isKeyframe = nestegg_packet_has_keyframe(holder->Packet());
break;
default:
NS_WARNING("Cannot detect keyframes in unknown WebM video codec");
return NS_ERROR_FAILURE;
@ -682,7 +699,7 @@ WebMDemuxer::GetNextPacket(TrackInfo::TrackType aType, MediaRawDataQueue *aSampl
dimensions = AOMDecoder::GetFrameSize(sample);
break;
#endif
}
}
if (mLastSeenFrameSize.isSome()
&& (dimensions != mLastSeenFrameSize.value())) {
mInfo.mVideo.mDisplay = dimensions;
@ -749,6 +766,11 @@ WebMDemuxer::GetNextPacket(TrackInfo::TrackType aType, MediaRawDataQueue *aSampl
if (aType == TrackInfo::kVideoTrack) {
sample->mTrackInfo = mSharedVideoTrackInfo;
}
if (mVideoCodec == NESTEGG_CODEC_AVC1) {
sample->mExtraData = mInfo.mVideo.mExtraData;
}
aSamples->Push(sample);
}
return NS_OK;