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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;

1
media/libnestegg/include/nestegg.h
View file

@ -72,6 +72,7 @@ extern "C" {
#define NESTEGG_CODEC_VP9 2 /**< Track uses Google On2 VP9 codec. */
#define NESTEGG_CODEC_OPUS 3 /**< Track uses Xiph Opus codec. */
#define NESTEGG_CODEC_AV1 4 /**< Track uses AOMedia AV1 codec. */
#define NESTEGG_CODEC_AVC1 5 /**< Track uses AVC1 'h264' */
#define NESTEGG_CODEC_UNKNOWN INT_MAX /**< Track uses unknown codec. */
#define NESTEGG_VIDEO_MONO 0 /**< Track is mono video. */

7
media/libnestegg/src/nestegg.c
View file

@ -157,6 +157,7 @@ enum ebml_type_enum {
#define TRACK_ID_AV1 "V_AV1"
#define TRACK_ID_VORBIS "A_VORBIS"
#define TRACK_ID_OPUS "A_OPUS"
#define TRACK_ID_AVC1 "V_MPEG4/ISO/AVC"
/* Track Encryption */
#define CONTENT_ENC_ALGO_AES 5
@ -2401,6 +2402,9 @@ nestegg_track_codec_id(nestegg * ctx, unsigned int track)
if (strcmp(codec_id, TRACK_ID_OPUS) == 0)
return NESTEGG_CODEC_OPUS;
if (strcmp(codec_id, TRACK_ID_AVC1) == 0)
return NESTEGG_CODEC_AVC1;
return NESTEGG_CODEC_UNKNOWN;
}
@ -2459,7 +2463,8 @@ nestegg_track_codec_data(nestegg * ctx, unsigned int track, unsigned int item,
return -1;
if (nestegg_track_codec_id(ctx, track) != NESTEGG_CODEC_VORBIS &&
nestegg_track_codec_id(ctx, track) != NESTEGG_CODEC_OPUS)
nestegg_track_codec_id(ctx, track) != NESTEGG_CODEC_OPUS &&
nestegg_track_codec_id(ctx, track) != NESTEGG_CODEC_AVC1)
return -1;
if (ne_get_binary(entry->codec_private, &codec_private) != 0)