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Drop responses in DefaultDrmSession if the session has been released

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This prevents trying to post the response to possibly dead threads,
which causes an IllegalStateException to be logged.

Issue: #8328
PiperOrigin-RevId: 352388155
This commit is contained in:
ibaker 2021-01-18 12:26:20 +00:00 committed by Oliver Woodman
parent 61cf97a0c0
commit 4cfb3aff8f
2 changed files with 33 additions and 11 deletions
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14
RELEASENOTES.md
View file

@ -80,8 +80,8 @@
`MediaSourceEventListener` and `SingleSampleMediaSource.Factory`
* `SimpleExoPlayer.addVideoDebugListener`,
`SimpleExoPlayer.removeVideoDebugListener`,
`SimpleExoPlayer.addAudioDebugListener`
and `SimpleExoPlayer.removeAudioDebugListener`. Use
`SimpleExoPlayer.addAudioDebugListener` and
`SimpleExoPlayer.removeAudioDebugListener`. Use
`SimpleExoPlayer.addAnalyticsListener` and
`SimpleExoPlayer.removeAnalyticsListener` instead.
* `AdaptiveMediaSourceEventListener`. Use `MediaSourceEventListener`
@ -183,6 +183,10 @@
Widevine or Clearkey protected content in a playlist.
* Add `ExoMediaDrm.KeyRequest.getRequestType`
([#7847](https://github.com/google/ExoPlayer/issues/7847)).
* Drop key & provision responses if `DefaultDrmSession` is released while
waiting for the response. This fixes (harmless) `IllegalStateException:
sending message to a Handler on a dead thread` log messages
([#8328](https://github.com/google/ExoPlayer/issues/8328)).
* Analytics:
* Pass a `DecoderReuseEvaluation` to `AnalyticsListener`'s
`onVideoInputFormatChanged` and `onAudioInputFormatChanged` methods. The
@ -219,9 +223,9 @@
ad view group
([#7344](https://github.com/google/ExoPlayer/issues/7344)),
([#8339](https://github.com/google/ExoPlayer/issues/8339)).
* Fix a bug that could cause the next content position played after a
seek to snap back to the cue point of the preceding ad, rather than
the requested content position.
* Fix a bug that could cause the next content position played after a seek
to snap back to the cue point of the preceding ad, rather than the
requested content position.
* FFmpeg extension:
* Link the FFmpeg library statically, saving 350KB in binary size on
average.

30
library/core/src/main/java/com/google/android/exoplayer2/drm/DefaultDrmSession.java
View file

@ -26,6 +26,7 @@ import android.os.Looper;
import android.os.Message;
import android.os.SystemClock;
import android.util.Pair;
import androidx.annotation.GuardedBy;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import com.google.android.exoplayer2.C;
@ -308,7 +309,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
// Assigning null to various non-null variables for clean-up.
state = STATE_RELEASED;
Util.castNonNull(responseHandler).removeCallbacksAndMessages(null);
Util.castNonNull(requestHandler).removeCallbacksAndMessages(null);
Util.castNonNull(requestHandler).release();
requestHandler = null;
Util.castNonNull(requestHandlerThread).quit();
requestHandlerThread = null;
@ -570,6 +571,9 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
@SuppressLint("HandlerLeak")
private class RequestHandler extends Handler {
@GuardedBy("this")
private boolean isReleased;
public RequestHandler(Looper backgroundLooper) {
super(backgroundLooper);
}
@ -610,9 +614,13 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
response = e;
}
loadErrorHandlingPolicy.onLoadTaskConcluded(requestTask.taskId);
responseHandler
.obtainMessage(msg.what, Pair.create(requestTask.request, response))
.sendToTarget();
synchronized (this) {
if (!isReleased) {
responseHandler
.obtainMessage(msg.what, Pair.create(requestTask.request, response))
.sendToTarget();
}
}
}
private boolean maybeRetryRequest(Message originalMsg, MediaDrmCallbackException exception) {
@ -647,8 +655,18 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
// The error is fatal.
return false;
}
sendMessageDelayed(Message.obtain(originalMsg), retryDelayMs);
return true;
synchronized (this) {
if (!isReleased) {
sendMessageDelayed(Message.obtain(originalMsg), retryDelayMs);
return true;
}
}
return false;
}
public synchronized void release() {
removeCallbacksAndMessages(/* token= */ null);
isReleased = true;
}
}