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For HLS mode, pick the lowest PID track for each track type

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This prevents strange behaviors for streams that changes the track declaration
order in the PMT.

NOTE: This should not change ANY behavior other than the one described above.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=158140890
This commit is contained in:
aquilescanta 2017-06-06 08:03:04 -07:00 committed by Oliver Woodman
parent 79048ffae6
commit a0c884849e
1 changed files with 24 additions and 11 deletions
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33
library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/TsExtractor.java
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@ -382,10 +382,14 @@ public final class TsExtractor implements Extractor {
private static final int TS_PMT_DESC_DVBSUBS = 0x59;
private final ParsableBitArray pmtScratch;
private final SparseArray<TsPayloadReader> trackIdToReaderScratch;
private final SparseIntArray trackIdToPidScratch;
private final int pid;
public PmtReader(int pid) {
pmtScratch = new ParsableBitArray(new byte[5]);
trackIdToReaderScratch = new SparseArray<>();
trackIdToPidScratch = new SparseIntArray();
this.pid = pid;
}
@ -436,6 +440,8 @@ public final class TsExtractor implements Extractor {
new TrackIdGenerator(programNumber, TS_STREAM_TYPE_ID3, MAX_PID_PLUS_ONE));
}
trackIdToReaderScratch.clear();
trackIdToPidScratch.clear();
int remainingEntriesLength = sectionData.bytesLeft();
while (remainingEntriesLength > 0) {
sectionData.readBytes(pmtScratch, 5);
@ -454,23 +460,30 @@ public final class TsExtractor implements Extractor {
if (trackIds.get(trackId)) {
continue;
}
trackIds.put(trackId, true);
TsPayloadReader reader;
if (mode == MODE_HLS && streamType == TS_STREAM_TYPE_ID3) {
reader = id3Reader;
} else {
reader = payloadReaderFactory.createPayloadReader(streamType, esInfo);
TsPayloadReader reader = mode == MODE_HLS && streamType == TS_STREAM_TYPE_ID3 ? id3Reader
: payloadReaderFactory.createPayloadReader(streamType, esInfo);
if (mode != MODE_HLS
|| elementaryPid < trackIdToPidScratch.get(trackId, MAX_PID_PLUS_ONE)) {
trackIdToPidScratch.put(trackId, elementaryPid);
trackIdToReaderScratch.put(trackId, reader);
}
}
int trackIdCount = trackIdToPidScratch.size();
for (int i = 0; i < trackIdCount; i++) {
int trackId = trackIdToPidScratch.keyAt(i);
trackIds.put(trackId, true);
TsPayloadReader reader = trackIdToReaderScratch.valueAt(i);
if (reader != null) {
if (reader != id3Reader) {
reader.init(timestampAdjuster, output,
new TrackIdGenerator(programNumber, trackId, MAX_PID_PLUS_ONE));
}
tsPayloadReaders.put(trackIdToPidScratch.valueAt(i), reader);
}
}
if (reader != null) {
tsPayloadReaders.put(elementaryPid, reader);
}
}
if (mode == MODE_HLS) {
if (!tracksEnded) {
output.endTracks();