use of com.google.android.exoplayer2.extractor.TrackOutput in project ExoPlayer by google.
the class HlsSampleStreamWrapper method track.
// ExtractorOutput implementation. Called by the loading thread.
@Override
public DefaultTrackOutput track(int id, int type) {
if (sampleQueues.indexOfKey(id) >= 0) {
return sampleQueues.get(id);
}
DefaultTrackOutput trackOutput = new DefaultTrackOutput(allocator);
trackOutput.setUpstreamFormatChangeListener(this);
trackOutput.sourceId(upstreamChunkUid);
sampleQueues.put(id, trackOutput);
return trackOutput;
}
use of com.google.android.exoplayer2.extractor.TrackOutput in project ExoPlayer by google.
the class WebvttExtractor method processSample.
private void processSample() throws ParserException {
ParsableByteArray webvttData = new ParsableByteArray(sampleData);
// Validate the first line of the header.
try {
WebvttParserUtil.validateWebvttHeaderLine(webvttData);
} catch (SubtitleDecoderException e) {
throw new ParserException(e);
}
// Defaults to use if the header doesn't contain an X-TIMESTAMP-MAP header.
long vttTimestampUs = 0;
long tsTimestampUs = 0;
// Parse the remainder of the header looking for X-TIMESTAMP-MAP.
String line;
while (!TextUtils.isEmpty(line = webvttData.readLine())) {
if (line.startsWith("X-TIMESTAMP-MAP")) {
Matcher localTimestampMatcher = LOCAL_TIMESTAMP.matcher(line);
if (!localTimestampMatcher.find()) {
throw new ParserException("X-TIMESTAMP-MAP doesn't contain local timestamp: " + line);
}
Matcher mediaTimestampMatcher = MEDIA_TIMESTAMP.matcher(line);
if (!mediaTimestampMatcher.find()) {
throw new ParserException("X-TIMESTAMP-MAP doesn't contain media timestamp: " + line);
}
vttTimestampUs = WebvttParserUtil.parseTimestampUs(localTimestampMatcher.group(1));
tsTimestampUs = TimestampAdjuster.ptsToUs(Long.parseLong(mediaTimestampMatcher.group(1)));
}
}
// Find the first cue header and parse the start time.
Matcher cueHeaderMatcher = WebvttParserUtil.findNextCueHeader(webvttData);
if (cueHeaderMatcher == null) {
// No cues found. Don't output a sample, but still output a corresponding track.
buildTrackOutput(0);
return;
}
long firstCueTimeUs = WebvttParserUtil.parseTimestampUs(cueHeaderMatcher.group(1));
long sampleTimeUs = timestampAdjuster.adjustSampleTimestamp(firstCueTimeUs + tsTimestampUs - vttTimestampUs);
long subsampleOffsetUs = sampleTimeUs - firstCueTimeUs;
// Output the track.
TrackOutput trackOutput = buildTrackOutput(subsampleOffsetUs);
// Output the sample.
sampleDataWrapper.reset(sampleData, sampleSize);
trackOutput.sampleData(sampleDataWrapper, sampleSize);
trackOutput.sampleMetadata(sampleTimeUs, C.BUFFER_FLAG_KEY_FRAME, sampleSize, 0, null);
}
use of com.google.android.exoplayer2.extractor.TrackOutput in project ExoPlayer by google.
the class ExtractorMediaPeriod method track.
// ExtractorOutput implementation. Called by the loading thread.
@Override
public TrackOutput track(int id, int type) {
DefaultTrackOutput trackOutput = sampleQueues.get(id);
if (trackOutput == null) {
trackOutput = new DefaultTrackOutput(allocator);
trackOutput.setUpstreamFormatChangeListener(this);
sampleQueues.put(id, trackOutput);
}
return trackOutput;
}
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