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Only allow one input buffer to be dequeued at a time.

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=110238340
This commit is contained in:
andrewlewis 2015-12-15 02:07:51 -08:00 committed by Oliver Woodman
parent 3a958ed522
commit 8d6c4b8eb5
1 changed files with 9 additions and 6 deletions
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15
extensions/vp9/src/main/java/com/google/android/exoplayer/ext/vp9/VpxDecoderWrapper.java
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@ -16,6 +16,7 @@
package com.google.android.exoplayer.ext.vp9;
import com.google.android.exoplayer.SampleHolder;
import com.google.android.exoplayer.util.Assertions;
import java.nio.ByteBuffer;
import java.util.LinkedList;
@ -36,13 +37,13 @@ import java.util.LinkedList;
private final Object lock;
private final LinkedList<VpxInputBuffer> dequeuedInputBuffers;
private final LinkedList<VpxInputBuffer> queuedInputBuffers;
private final LinkedList<VpxOutputBuffer> queuedOutputBuffers;
private final VpxInputBuffer[] availableInputBuffers;
private final VpxOutputBuffer[] availableOutputBuffers;
private int availableInputBufferCount;
private int availableOutputBufferCount;
private VpxInputBuffer dequeuedInputBuffer;
private boolean flushDecodedOutputBuffer;
private boolean released;
@ -57,7 +58,6 @@ import java.util.LinkedList;
public VpxDecoderWrapper(int outputMode) {
lock = new Object();
this.outputMode = outputMode;
dequeuedInputBuffers = new LinkedList<>();
queuedInputBuffers = new LinkedList<>();
queuedOutputBuffers = new LinkedList<>();
availableInputBuffers = new VpxInputBuffer[NUM_BUFFERS];
@ -77,13 +77,14 @@ import java.util.LinkedList;
public VpxInputBuffer dequeueInputBuffer() throws VpxDecoderException {
synchronized (lock) {
maybeThrowDecoderError();
Assertions.checkState(dequeuedInputBuffer == null);
if (availableInputBufferCount == 0) {
return null;
}
VpxInputBuffer inputBuffer = availableInputBuffers[--availableInputBufferCount];
inputBuffer.flags = 0;
inputBuffer.sampleHolder.clearData();
dequeuedInputBuffers.addLast(inputBuffer);
dequeuedInputBuffer = inputBuffer;
return inputBuffer;
}
}
@ -91,9 +92,10 @@ import java.util.LinkedList;
public void queueInputBuffer(VpxInputBuffer inputBuffer) throws VpxDecoderException {
synchronized (lock) {
maybeThrowDecoderError();
dequeuedInputBuffers.remove(inputBuffer);
Assertions.checkArgument(inputBuffer == dequeuedInputBuffer);
queuedInputBuffers.addLast(inputBuffer);
maybeNotifyDecodeLoop();
dequeuedInputBuffer = null;
}
}
@ -119,8 +121,9 @@ import java.util.LinkedList;
public void flush() {
synchronized (lock) {
flushDecodedOutputBuffer = true;
while (!dequeuedInputBuffers.isEmpty()) {
availableInputBuffers[availableInputBufferCount++] = dequeuedInputBuffers.removeFirst();
if (dequeuedInputBuffer != null) {
availableInputBuffers[availableInputBufferCount++] = dequeuedInputBuffer;
dequeuedInputBuffer = null;
}
while (!queuedInputBuffers.isEmpty()) {
availableInputBuffers[availableInputBufferCount++] = queuedInputBuffers.removeFirst();