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Fix bug that caused failure when all renderers disabled.

Browse Source 
Prior to this change, there was a bug where playback would
fail with the following steps:

1. Start playback.
2. Pause playback.
3. Disable all renderers.
4. Enable at least one renderer.
5. Resume playback.
This commit is contained in:
Oliver Woodman 2015-06-26 14:33:08 +01:00
parent 33d55631ed
commit 2b27137e9e
3 changed files with 16 additions and 9 deletions
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8
library/src/main/java/com/google/android/exoplayer/chunk/ChunkSampleSource.java
View File

@ -163,6 +163,7 @@ public class ChunkSampleSource implements SampleSource, SampleSourceReader, Load
downstreamMediaFormat = null;
downstreamPositionUs = positionUs;
lastSeekPositionUs = positionUs;
pendingDiscontinuity = false;
restartFrom(positionUs);
}
@ -170,7 +171,6 @@ public class ChunkSampleSource implements SampleSource, SampleSourceReader, Load
public void disable(int track) {
Assertions.checkState(state == STATE_ENABLED);
Assertions.checkState(track == 0);
pendingDiscontinuity = false;
state = STATE_PREPARED;
try {
chunkSource.disable(mediaChunks);
@ -269,12 +269,14 @@ public class ChunkSampleSource implements SampleSource, SampleSourceReader, Load
@Override
public void seekToUs(long positionUs) {
Assertions.checkState(state == STATE_ENABLED);
long currentPositionUs = isPendingReset() ? pendingResetPositionUs : downstreamPositionUs;
downstreamPositionUs = positionUs;
lastSeekPositionUs = positionUs;
if ((isPendingReset() ? pendingResetPositionUs : downstreamPositionUs) == positionUs) {
if (currentPositionUs == positionUs) {
return;
}
downstreamPositionUs = positionUs;
// If we're not pending a reset, see if we can seek within the sample queue.
boolean seekInsideBuffer = !isPendingReset() && sampleQueue.skipToKeyframeBefore(positionUs);
if (seekInsideBuffer) {

9
library/src/main/java/com/google/android/exoplayer/extractor/ExtractorSampleSource.java
View File

@ -194,6 +194,7 @@ public class ExtractorSampleSource implements SampleSource, SampleSourceReader,
if (enabledTrackCount == 1) {
seekToUs(positionUs);
}
pendingDiscontinuities[track] = false;
}
@Override
@ -202,8 +203,8 @@ public class ExtractorSampleSource implements SampleSource, SampleSourceReader,
Assertions.checkState(trackEnabledStates[track]);
enabledTrackCount--;
trackEnabledStates[track] = false;
pendingDiscontinuities[track] = false;
if (enabledTrackCount == 0) {
downstreamPositionUs = Long.MIN_VALUE;
if (loader.isLoading()) {
loader.cancelLoading();
} else {
@ -274,13 +275,13 @@ public class ExtractorSampleSource implements SampleSource, SampleSourceReader,
positionUs = 0;
}
long currentPositionUs = isPendingReset() ? pendingResetPositionUs : downstreamPositionUs;
downstreamPositionUs = positionUs;
lastSeekPositionUs = positionUs;
if ((isPendingReset() ? pendingResetPositionUs : downstreamPositionUs) == positionUs) {
if (currentPositionUs == positionUs) {
return;
}
downstreamPositionUs = positionUs;
// If we're not pending a reset, see if we can seek within the sample queues.
boolean seekInsideBuffer = !isPendingReset();
for (int i = 0; seekInsideBuffer && i < sampleQueues.size(); i++) {

8
library/src/main/java/com/google/android/exoplayer/hls/HlsSampleSource.java
View File

@ -193,6 +193,7 @@ public class HlsSampleSource implements SampleSource, SampleSourceReader, Loader
if (enabledTrackCount == 1) {
seekToUs(positionUs);
}
pendingDiscontinuities[track] = false;
}
@Override
@ -201,8 +202,8 @@ public class HlsSampleSource implements SampleSource, SampleSourceReader, Loader
Assertions.checkState(trackEnabledStates[track]);
enabledTrackCount--;
trackEnabledStates[track] = false;
pendingDiscontinuities[track] = false;
if (enabledTrackCount == 0) {
downstreamPositionUs = Long.MIN_VALUE;
if (loadControlRegistered) {
loadControl.unregister(this);
loadControlRegistered = false;
@ -314,8 +315,11 @@ public class HlsSampleSource implements SampleSource, SampleSourceReader, Loader
public void seekToUs(long positionUs) {
Assertions.checkState(prepared);
Assertions.checkState(enabledTrackCount > 0);
long currentPositionUs = isPendingReset() ? pendingResetPositionUs : downstreamPositionUs;
downstreamPositionUs = positionUs;
lastSeekPositionUs = positionUs;
if ((isPendingReset() ? pendingResetPositionUs : downstreamPositionUs) == positionUs) {
if (currentPositionUs == positionUs) {
return;
}