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Split HlsSampleStreamWrapper.init into two methods

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As a result, onMediaChunkLoadStarted gets invoked on the loading thread, and
init on the playback thread, matching the thread access comments.

Issue:#6321
PiperOrigin-RevId: 289167981
This commit is contained in:
aquilescanta 2020-01-10 22:39:11 +00:00 committed by Oliver Woodman
parent 01e661f21a
commit 7f7632a38f
2 changed files with 11 additions and 10 deletions
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4
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaChunk.java
View File

@ -284,6 +284,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
*/
public void init(HlsSampleStreamWrapper output) {
this.output = output;
output.init(uid, shouldSpliceIn);
}
@Override
@ -306,7 +307,6 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
extractor = previousExtractor;
isExtractorReusable = true;
initDataLoadRequired = false;
output.init(uid, shouldSpliceIn, /* reusingExtractor= */ true);
}
maybeLoadInitData();
if (!loadCanceled) {
@ -418,7 +418,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
// the timestamp offset.
output.setSampleOffsetUs(/* sampleOffsetUs= */ 0L);
}
output.init(uid, shouldSpliceIn, /* reusingExtractor= */ false);
output.onNewExtractor();
extractor.init(output);
}

17
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsSampleStreamWrapper.java
View File

@ -28,6 +28,7 @@ import com.google.android.exoplayer2.drm.DrmInitData;
import com.google.android.exoplayer2.drm.DrmSession;
import com.google.android.exoplayer2.drm.DrmSessionManager;
import com.google.android.exoplayer2.extractor.DummyTrackOutput;
import com.google.android.exoplayer2.extractor.Extractor;
import com.google.android.exoplayer2.extractor.ExtractorInput;
import com.google.android.exoplayer2.extractor.ExtractorOutput;
import com.google.android.exoplayer2.extractor.SeekMap;
@ -823,13 +824,8 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
* @param chunkUid The chunk's uid.
* @param shouldSpliceIn Whether the samples parsed from the chunk should be spliced into any
* samples already queued to the wrapper.
* @param reusingExtractor Whether the extractor for the chunk has already been used for preceding
* chunks.
*/
public void init(int chunkUid, boolean shouldSpliceIn, boolean reusingExtractor) {
if (!reusingExtractor) {
sampleQueueMappingDoneByType.clear();
}
public void init(int chunkUid, boolean shouldSpliceIn) {
this.chunkUid = chunkUid;
for (SampleQueue sampleQueue : sampleQueues) {
sampleQueue.sourceId(chunkUid);
@ -884,8 +880,8 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
* different ID, then return a {@link DummyTrackOutput} that does nothing.
*
* <p>If a {@link SampleQueue} for {@code type} has been created but is not mapped, then map it to
* this {@code id} and return it. This situation can happen after a call to {@link #init} with
* {@code reusingExtractor=false}.
* this {@code id} and return it. This situation can happen after a call to {@link
* #onNewExtractor}.
*
* @param id The ID of the track.
* @param type The type of the track, must be one of {@link #MAPPABLE_TYPES}.
@ -952,6 +948,11 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
// Called by the loading thread.
/** Called when an {@link HlsMediaChunk} starts extracting media with a new {@link Extractor}. */
public void onNewExtractor() {
sampleQueueMappingDoneByType.clear();
}
public void setSampleOffsetUs(long sampleOffsetUs) {
this.sampleOffsetUs = sampleOffsetUs;
for (SampleQueue sampleQueue : sampleQueues) {