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Workaround for vorbis EOS flush bug (23361053).

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I'm assuming this will be fixed in API level 24.
This commit is contained in:
Oliver Woodman 2015-09-01 13:56:10 +01:00
parent 879da81218
commit 8e9aadc5e5
1 changed files with 45 additions and 17 deletions
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62
library/src/main/java/com/google/android/exoplayer/MediaCodecTrackRenderer.java
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@ -192,7 +192,9 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
private DrmInitData drmInitData;
private MediaCodec codec;
private boolean codecIsAdaptive;
private boolean codecNeedsEndOfStreamWorkaround;
private boolean codecNeedsEosPropagationWorkaround;
private boolean codecNeedsEosFlushWorkaround;
private boolean codecReceivedEos;
private ByteBuffer[] inputBuffers;
private ByteBuffer[] outputBuffers;
private long codecHotswapTimeMs;
@ -319,7 +321,8 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
String decoderName = decoderInfo.name;
codecIsAdaptive = decoderInfo.adaptive;
codecNeedsEndOfStreamWorkaround = codecNeedsEndOfStreamWorkaround(decoderName);
codecNeedsEosPropagationWorkaround = codecNeedsEosPropagationWorkaround(decoderName);
codecNeedsEosFlushWorkaround = codecNeedsEosFlushWorkaround(decoderName);
try {
long codecInitializingTimestamp = SystemClock.elapsedRealtime();
TraceUtil.beginSection("createByCodecName(" + decoderName + ")");
@ -395,7 +398,9 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
codecReconfigured = false;
codecHasQueuedBuffers = false;
codecIsAdaptive = false;
codecNeedsEndOfStreamWorkaround = false;
codecNeedsEosPropagationWorkaround = false;
codecNeedsEosFlushWorkaround = false;
codecReceivedEos = false;
codecReconfigurationState = RECONFIGURATION_STATE_NONE;
codecReinitializationState = REINITIALIZATION_STATE_NONE;
codecCounters.codecReleaseCount++;
@ -480,14 +485,19 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
waitingForFirstSyncFrame = true;
waitingForKeys = false;
decodeOnlyPresentationTimestamps.clear();
// Workaround for framework bugs.
// See [Internal: b/8347958], [Internal: b/8578467], [Internal: b/8543366].
if (Util.SDK_INT >= 18 && codecReinitializationState == REINITIALIZATION_STATE_NONE) {
codec.flush();
codecHasQueuedBuffers = false;
} else {
if (Util.SDK_INT < 18 || (codecNeedsEosFlushWorkaround && codecReceivedEos)) {
// Workaround framework bugs. See [Internal: b/8347958, b/8578467, b/8543366, b/23361053].
releaseCodec();
maybeInitCodec();
} else if (codecReinitializationState != REINITIALIZATION_STATE_NONE) {
// We're already waiting to release and re-initialize the codec. Since we're now flushing,
// there's no need to wait any longer.
releaseCodec();
maybeInitCodec();
} else {
// We can flush and re-use the existing decoder.
codec.flush();
codecHasQueuedBuffers = false;
}
if (codecReconfigured && format != null) {
// Any reconfiguration data that we send shortly before the flush may be discarded. We
@ -524,9 +534,10 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
if (codecReinitializationState == REINITIALIZATION_STATE_SIGNAL_END_OF_STREAM) {
// We need to re-initialize the codec. Send an end of stream signal to the existing codec so
// that it outputs any remaining buffers before we release it.
if (codecNeedsEndOfStreamWorkaround) {
if (codecNeedsEosPropagationWorkaround) {
// Do nothing.
} else {
codecReceivedEos = true;
codec.queueInputBuffer(inputIndex, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
inputIndex = -1;
}
@ -581,9 +592,10 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
}
inputStreamEnded = true;
try {
if (codecNeedsEndOfStreamWorkaround) {
if (codecNeedsEosPropagationWorkaround) {
// Do nothing.
} else {
codecReceivedEos = true;
codec.queueInputBuffer(inputIndex, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
inputIndex = -1;
}
@ -781,7 +793,7 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
codecCounters.outputBuffersChangedCount++;
return true;
} else if (outputIndex < 0) {
if (codecNeedsEndOfStreamWorkaround && (inputStreamEnded
if (codecNeedsEosPropagationWorkaround && (inputStreamEnded
|| codecReinitializationState == REINITIALIZATION_STATE_WAIT_END_OF_STREAM)) {
processEndOfStream();
return true;
@ -879,17 +891,18 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
}
/**
* Returns whether the decoder is known to handle {@link MediaCodec#BUFFER_FLAG_END_OF_STREAM}
* incorrectly on the host device.
* Returns whether the decoder is known to handle the propagation of the
* {@link MediaCodec#BUFFER_FLAG_END_OF_STREAM} flag incorrectly on the host device.
* <p>
* If true is returned, the renderer will work around the issue by approximating end of stream
* behavior without involvement of the underlying decoder.
* behavior without relying on the flag being propagated through to an output buffer by the
* underlying decoder.
*
* @param name The name of the decoder.
* @return True if the decoder is known to handle {@link MediaCodec#BUFFER_FLAG_END_OF_STREAM}
* incorrectly on the host device. False otherwise.
* propagation incorrectly on the host device. False otherwise.
*/
private static boolean codecNeedsEndOfStreamWorkaround(String name) {
private static boolean codecNeedsEosPropagationWorkaround(String name) {
return Util.SDK_INT <= 17
&& "OMX.rk.video_decoder.avc".equals(name)
&& ("ht7s3".equals(Util.DEVICE) // Tesco HUDL
@ -897,4 +910,19 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
|| "rk31sdk".equals(Util.DEVICE)); // Rockchip rk31
}
/**
* Returns whether the decoder is known to behave incorrectly if flushed after receiving an input
* buffer with {@link MediaCodec#BUFFER_FLAG_END_OF_STREAM} set.
* <p>
* If true is returned, the renderer will work around the issue by instantiating a new decoder
* when this case occurs.
*
* @param name The name of the decoder.
* @return True if the decoder is known to behave incorrectly if flushed after receiving an input
* buffer with {@link MediaCodec#BUFFER_FLAG_END_OF_STREAM} set. False otherwise.
*/
private static boolean codecNeedsEosFlushWorkaround(String name) {
return Util.SDK_INT <= 23 && "OMX.google.vorbis.decoder".equals(name);
}
}