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Merge pull request #6603 from TiVo:fix-tunneling-stuck-release

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PiperOrigin-RevId: 290041295
This commit is contained in:
Oliver Woodman 2020-01-16 13:52:37 +00:00
parent 38bc7355c7
commit c269ffe1e6
1 changed files with 43 additions and 5 deletions
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48
library/core/src/main/java/com/google/android/exoplayer2/video/MediaCodecVideoRenderer.java
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@ -158,7 +158,7 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer {
private boolean tunneling;
private int tunnelingAudioSessionId;
/* package */ OnFrameRenderedListenerV23 tunnelingOnFrameRenderedListener;
/* package */ @Nullable OnFrameRenderedListenerV23 tunnelingOnFrameRenderedListener;
private long lastInputTimeUs;
private long outputStreamOffsetUs;
@ -563,7 +563,7 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer {
clearReportedVideoSize();
clearRenderedFirstFrame();
frameReleaseTimeHelper.disable();
tunnelingOnFrameRenderedListener = null;
releaseOnFrameRenderedListener();
try {
super.onDisabled();
} finally {
@ -1805,15 +1805,54 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer {
}
private void releaseOnFrameRenderedListener() {
if (tunnelingOnFrameRenderedListener != null) {
tunnelingOnFrameRenderedListener.release();
}
tunnelingOnFrameRenderedListener = null;
}
@TargetApi(23)
private final class OnFrameRenderedListenerV23 implements MediaCodec.OnFrameRenderedListener {
private OnFrameRenderedListenerV23(MediaCodec codec) {
codec.setOnFrameRenderedListener(this, new Handler());
private final Handler handler;
private final MediaCodec codec;
public OnFrameRenderedListenerV23(MediaCodec mediaCodec) {
handler = new Handler();
codec = mediaCodec;
codec.setOnFrameRenderedListener(/* listener= */ this, handler);
}
/**
* Stop listening for the codec OnFrameRendered events and invalidate all queued such events.
*
* <p>Not required when switching one frame render listener for another and may cause overhead
* (MediaCodec calls native_enableOnFrameRenderedListener() twice then). The stale event logic
* prevents issues for a listener switch.
*/
public void release() {
codec.setOnFrameRenderedListener(null, null);
handler.removeCallbacksAndMessages(null);
}
@Override
public void onFrameRendered(MediaCodec codec, long presentationTimeUs, long nanoTime) {
// Workaround bug in MediaCodec that causes deadlock if you call directly back into the
// MediaCodec from this listener method.
// Deadlock occurs because MediaCodec calls this listener method holding a lock,
// which may also be required by calls made back into the MediaCodec.
// This was fixed in https://android-review.googlesource.com/1156807.
//
// The workaround queues the event for subsequent processing, where the lock will not be held.
if (Util.SDK_INT < 30) {
handler.postAtFrontOfQueue(() -> handleFrameRendered(presentationTimeUs));
} else {
handleFrameRendered(presentationTimeUs);
}
}
private void handleFrameRendered(long presentationTimeUs) {
if (this != tunnelingOnFrameRenderedListener) {
// Stale event.
return;
@ -1824,6 +1863,5 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer {
onProcessedTunneledBuffer(presentationTimeUs);
}
}
}
}