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adjust timestamps for cea608 and emsg in FMP4

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=208526775
This commit is contained in:
bachinger 2018-08-13 12:45:26 -07:00 committed by Oliver Woodman
parent 32035e1bf3
commit c4024e17f6
1 changed files with 19 additions and 11 deletions
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30
library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java
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@ -585,10 +585,13 @@ public final class FragmentedMp4Extractor implements Extractor {
// Output the sample metadata.
if (segmentIndexEarliestPresentationTimeUs != C.TIME_UNSET) {
long sampleTimeUs = segmentIndexEarliestPresentationTimeUs + presentationTimeDeltaUs;
if (timestampAdjuster != null) {
sampleTimeUs = timestampAdjuster.adjustSampleTimestamp(sampleTimeUs);
}
for (TrackOutput emsgTrackOutput : emsgTrackOutputs) {
emsgTrackOutput.sampleMetadata(
segmentIndexEarliestPresentationTimeUs + presentationTimeDeltaUs,
C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0 /* offset */, null);
sampleTimeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, /* offset= */ 0, null);
}
} else {
// We need the first sample timestamp in the segment before we can output the metadata.
@ -1195,6 +1198,10 @@ public final class FragmentedMp4Extractor implements Extractor {
Track track = currentTrackBundle.track;
TrackOutput output = currentTrackBundle.output;
int sampleIndex = currentTrackBundle.currentSampleIndex;
long sampleTimeUs = fragment.getSamplePresentationTime(sampleIndex) * 1000L;
if (timestampAdjuster != null) {
sampleTimeUs = timestampAdjuster.adjustSampleTimestamp(sampleTimeUs);
}
if (track.nalUnitLengthFieldLength != 0) {
// Zero the top three bytes of the array that we'll use to decode nal unit lengths, in case
// they're only 1 or 2 bytes long.
@ -1235,8 +1242,7 @@ public final class FragmentedMp4Extractor implements Extractor {
// If the format is H.265/HEVC the NAL unit header has two bytes so skip one more byte.
nalBuffer.setPosition(MimeTypes.VIDEO_H265.equals(track.format.sampleMimeType) ? 1 : 0);
nalBuffer.setLimit(unescapedLength);
CeaUtil.consume(fragment.getSamplePresentationTime(sampleIndex) * 1000L, nalBuffer,
cea608TrackOutputs);
CeaUtil.consume(sampleTimeUs, nalBuffer, cea608TrackOutputs);
} else {
// Write the payload of the NAL unit.
writtenBytes = output.sampleData(input, sampleCurrentNalBytesRemaining, false);
@ -1252,11 +1258,6 @@ public final class FragmentedMp4Extractor implements Extractor {
}
}
long sampleTimeUs = fragment.getSamplePresentationTime(sampleIndex) * 1000L;
if (timestampAdjuster != null) {
sampleTimeUs = timestampAdjuster.adjustSampleTimestamp(sampleTimeUs);
}
@C.BufferFlags int sampleFlags = fragment.sampleIsSyncFrameTable[sampleIndex]
? C.BUFFER_FLAG_KEY_FRAME : 0;
@ -1283,10 +1284,17 @@ public final class FragmentedMp4Extractor implements Extractor {
while (!pendingMetadataSampleInfos.isEmpty()) {
MetadataSampleInfo sampleInfo = pendingMetadataSampleInfos.removeFirst();
pendingMetadataSampleBytes -= sampleInfo.size;
long metadataTimeUs = sampleTimeUs + sampleInfo.presentationTimeDeltaUs;
if (timestampAdjuster != null) {
metadataTimeUs = timestampAdjuster.adjustSampleTimestamp(metadataTimeUs);
}
for (TrackOutput emsgTrackOutput : emsgTrackOutputs) {
emsgTrackOutput.sampleMetadata(
sampleTimeUs + sampleInfo.presentationTimeDeltaUs,
C.BUFFER_FLAG_KEY_FRAME, sampleInfo.size, pendingMetadataSampleBytes, null);
metadataTimeUs,
C.BUFFER_FLAG_KEY_FRAME,
sampleInfo.size,
pendingMetadataSampleBytes,
null);
}
}
}