diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/mediacodec/MediaCodecRenderer.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/mediacodec/MediaCodecRenderer.java index 3b39a7e57a..524bacfcc5 100644 --- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/mediacodec/MediaCodecRenderer.java +++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/mediacodec/MediaCodecRenderer.java @@ -360,6 +360,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer { @Nullable private ExoPlaybackException pendingPlaybackException; protected DecoderCounters decoderCounters; private OutputStreamInfo outputStreamInfo; + private long lastProcessedOutputBufferTimeUs; /** * @param trackType The {@link C.TrackType track type} that the renderer handles. @@ -411,6 +412,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer { codecHotswapDeadlineMs = C.TIME_UNSET; largestQueuedPresentationTimeUs = C.TIME_UNSET; lastBufferInStreamPresentationTimeUs = C.TIME_UNSET; + lastProcessedOutputBufferTimeUs = C.TIME_UNSET; codecDrainState = DRAIN_STATE_NONE; codecDrainAction = DRAIN_ACTION_NONE; } @@ -640,8 +642,11 @@ public abstract class MediaCodecRenderer extends BaseRenderer { @Override protected void onStreamChanged(Format[] formats, long startPositionUs, long offsetUs) throws ExoPlaybackException { - if (outputStreamInfo.streamOffsetUs == C.TIME_UNSET) { - checkState(outputStreamInfo.startPositionUs == C.TIME_UNSET); + if (outputStreamInfo.streamOffsetUs == C.TIME_UNSET + || (pendingOutputStreamChanges.isEmpty() + && lastProcessedOutputBufferTimeUs != C.TIME_UNSET + && lastProcessedOutputBufferTimeUs >= largestQueuedPresentationTimeUs)) { + // This is the first stream, or the previous has been fully output already. setOutputStreamInfo( new OutputStreamInfo( /* previousStreamLastBufferTimeUs= */ C.TIME_UNSET, startPositionUs, offsetUs)); @@ -875,6 +880,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer { decodeOnlyPresentationTimestamps.clear(); largestQueuedPresentationTimeUs = C.TIME_UNSET; lastBufferInStreamPresentationTimeUs = C.TIME_UNSET; + lastProcessedOutputBufferTimeUs = C.TIME_UNSET; if (c2Mp3TimestampTracker != null) { c2Mp3TimestampTracker.reset(); } @@ -1588,6 +1594,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer { */ @CallSuper protected void onProcessedOutputBuffer(long presentationTimeUs) { + lastProcessedOutputBufferTimeUs = presentationTimeUs; if (!pendingOutputStreamChanges.isEmpty() && presentationTimeUs >= pendingOutputStreamChanges.peek().previousStreamLastBufferTimeUs) { setOutputStreamInfo(pendingOutputStreamChanges.poll());