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Wait for first sync frame in MediaCodecRenderer

Browse Source 
For the video renderer, it's not true that the source always
provides from a sync frame specifically in the case where
the surface has been replaced on the renderer. In this case
the source doesn't know that it should be providing from a
sync frame.

Issue: #2093

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=145562222
This commit is contained in:
olly 2017-01-25 10:11:58 -08:00 committed by Oliver Woodman
parent 98db14e7e5
commit 6f5c7b38a7
1 changed files with 13 additions and 0 deletions
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13
library/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java
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@ -201,6 +201,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
private boolean inputStreamEnded;
private boolean outputStreamEnded;
private boolean waitingForKeys;
private boolean waitingForFirstSyncFrame;
protected DecoderCounters decoderCounters;
@ -366,6 +367,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
? (SystemClock.elapsedRealtime() + MAX_CODEC_HOTSWAP_TIME_MS) : C.TIME_UNSET;
inputIndex = C.INDEX_UNSET;
outputIndex = C.INDEX_UNSET;
waitingForFirstSyncFrame = true;
decoderCounters.decoderInitCount++;
}
@ -504,6 +506,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
codecHotswapDeadlineMs = C.TIME_UNSET;
inputIndex = C.INDEX_UNSET;
outputIndex = C.INDEX_UNSET;
waitingForFirstSyncFrame = true;
waitingForKeys = false;
shouldSkipOutputBuffer = false;
decodeOnlyPresentationTimestamps.clear();
@ -633,6 +636,16 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
}
return false;
}
if (waitingForFirstSyncFrame && !buffer.isKeyFrame()) {
buffer.clear();
if (codecReconfigurationState == RECONFIGURATION_STATE_QUEUE_PENDING) {
// The buffer we just cleared contained reconfiguration data. We need to re-write this
// data into a subsequent buffer (if there is one).
codecReconfigurationState = RECONFIGURATION_STATE_WRITE_PENDING;
}
return true;
}
waitingForFirstSyncFrame = false;
boolean bufferEncrypted = buffer.isEncrypted();
waitingForKeys = shouldWaitForKeys(bufferEncrypted);
if (waitingForKeys) {