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Release Extractors when ExtractorSampleSource is released.

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=126691912
This commit is contained in:
andrewlewis 2016-07-06 06:20:08 -07:00 committed by Oliver Woodman
parent 660b26e3ad
commit f4239eb571
2 changed files with 42 additions and 3 deletions
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14
library/src/main/java/com/google/android/exoplayer/extractor/ExtractorSampleSource.java
View file

@ -111,8 +111,8 @@ public final class ExtractorSampleSource implements SampleSource, ExtractorOutpu
private final EventListener eventListener;
private final DataSource dataSource;
private final ConditionVariable loadCondition;
private final Loader loader;
private final ExtractorHolder extractorHolder;
private final Loader loader;
private Callback callback;
private Allocator allocator;
@ -171,8 +171,8 @@ public final class ExtractorSampleSource implements SampleSource, ExtractorOutpu
this.eventHandler = eventHandler;
dataSource = dataSourceFactory.createDataSource(bandwidthMeter);
loadCondition = new ConditionVariable();
loader = new Loader("Loader:ExtractorSampleSource");
extractorHolder = new ExtractorHolder(extractorsFactory.createExtractors(), this);
loader = new Loader("Loader:ExtractorSampleSource", extractorHolder);
pendingResetPositionUs = C.UNSET_TIME_US;
sampleQueues = new DefaultTrackOutput[0];
length = C.LENGTH_UNBOUNDED;
@ -640,7 +640,7 @@ public final class ExtractorSampleSource implements SampleSource, ExtractorOutpu
/**
* Stores a list of extractors and a selected extractor when the format has been detected.
*/
private static final class ExtractorHolder {
private static final class ExtractorHolder implements Loader.Releasable {
private final Extractor[] extractors;
private final ExtractorOutput extractorOutput;
@ -691,6 +691,14 @@ public final class ExtractorSampleSource implements SampleSource, ExtractorOutpu
return extractor;
}
@Override
public void release() {
if (extractor != null) {
extractor.release();
extractor = null;
}
}
}
}

31
library/src/main/java/com/google/android/exoplayer/upstream/Loader.java
View file

@ -72,6 +72,18 @@ public final class Loader {
}
/**
* An object that can be released on the loading thread when {@link Loader#release()} is called.
*/
public interface Releasable {
/**
* Releases any resources associated with the instance.
*/
void release();
}
/**
* A callback to be notified of {@link Loader} events.
*/
@ -135,6 +147,7 @@ public final class Loader {
private static final int MSG_FATAL_ERROR = 4;
private final ExecutorService downloadExecutorService;
private final Releasable releasable;
private LoadTask<? extends Loadable> currentTask;
private IOException fatalError;
@ -143,7 +156,17 @@ public final class Loader {
* @param threadName A name for the loader's thread.
*/
public Loader(String threadName) {
this(threadName, null);
}
/**
* @param threadName A name for the loader's thread.
* @param releasable An object to release on the loader's thread when {@link Loader#release()} is
* called.
*/
public Loader(String threadName, Releasable releasable) {
this.downloadExecutorService = Util.newSingleThreadExecutor(threadName);
this.releasable = releasable;
}
/**
@ -223,6 +246,14 @@ public final class Loader {
if (currentTask != null) {
currentTask.cancel(true);
}
if (releasable != null) {
downloadExecutorService.submit(new Runnable() {
@Override
public void run() {
releasable.release();
}
});
}
downloadExecutorService.shutdown();
}