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VEX-6030: Further prevent memory crashes (#15)

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This PR is intended to prevent memory crashes when the free memory runs out

Jira: VEX-6030
https://jira.tenkasu.net/browse/VEX-6030

Velocity PR: crunchyroll/velocity#2043

By forcefully calling the garbage collector the memory crashes, specially on lower resolutions (<720p) are gone on devices with 2GB of ram or less and Android 6, also testing 3GB Android 7 with this patch, so far is working as intended

Reviews
Major reviewer (domain expert): @nickfujita
Minor reviewer: @jctorresM
This commit is contained in:
Gabriel Rivero 2021-11-17 14:58:27 -04:00 committed by GitHub
commit aa63361695
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1 changed files with 7 additions and 0 deletions
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7
android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java
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@ -423,6 +423,7 @@ class ReactExoplayerView extends FrameLayout implements
private class RNVLoadControl extends DefaultLoadControl {
private int availableHeapInBytes = 0;
private Runtime runtime;
public RNVLoadControl(DefaultAllocator allocator, int minBufferMs, int maxBufferMs, int bufferForPlaybackMs, int bufferForPlaybackAfterRebufferMs, int targetBufferBytes, boolean prioritizeTimeOverSizeThresholds, int backBufferDurationMs, boolean retainBackBufferFromKeyframe) {
super(allocator,
minBufferMs,
@ -433,6 +434,7 @@ class ReactExoplayerView extends FrameLayout implements
prioritizeTimeOverSizeThresholds,
backBufferDurationMs,
retainBackBufferFromKeyframe);
runtime = Runtime.getRuntime();
ActivityManager activityManager = (ActivityManager) themedReactContext.getSystemService(themedReactContext.ACTIVITY_SERVICE);
availableHeapInBytes = (int) Math.floor(activityManager.getMemoryClass() * maxHeapAllocationPercent * 1024 * 1024);
}
@ -447,6 +449,11 @@ class ReactExoplayerView extends FrameLayout implements
if (isHeapReached) {
return false;
}
if (runtime.freeMemory() == 0) {
Log.w("ExoPlayer Warning", "Free memory reached 0, forcing garbage collection");
runtime.gc();
return false;
}
return super.shouldContinueLoading(playbackPositionUs, bufferedDurationUs, playbackSpeed);
}
}