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Don't release AudioTrack unless we have to.

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This commit is contained in:
Oliver Woodman 2014-08-12 14:12:05 +01:00
parent 4a745b1cd8
commit e0a29c841e
1 changed files with 10 additions and 2 deletions
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12
library/src/main/java/com/google/android/exoplayer/MediaCodecAudioTrackRenderer.java
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@ -266,8 +266,6 @@ public class MediaCodecAudioTrackRenderer extends MediaCodecTrackRenderer {
@Override
protected void onOutputFormatChanged(MediaFormat format) {
releaseAudioTrack();
this.sampleRate = format.getInteger(MediaFormat.KEY_SAMPLE_RATE);
int channelCount = format.getInteger(MediaFormat.KEY_CHANNEL_COUNT);
int channelConfig;
switch (channelCount) {
@ -283,6 +281,16 @@ public class MediaCodecAudioTrackRenderer extends MediaCodecTrackRenderer {
default:
throw new IllegalArgumentException("Unsupported channel count: " + channelCount);
}
int sampleRate = format.getInteger(MediaFormat.KEY_SAMPLE_RATE);
if (audioTrack != null && this.sampleRate == sampleRate
&& this.channelConfig == channelConfig) {
// We already have an existing audio track with the correct sample rate and channel config.
return;
}
releaseAudioTrack();
this.sampleRate = sampleRate;
this.channelConfig = channelConfig;
this.minBufferSize = AudioTrack.getMinBufferSize(sampleRate, channelConfig,
AudioFormat.ENCODING_PCM_16BIT);