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Use a single decoded audio buffer for direct submit audio renderers

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This commit is contained in:
Cameron Gutman 2014-03-16 18:13:42 -04:00
parent 239dffcbdf
commit a39f4c5eab
1 changed files with 16 additions and 3 deletions
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19
moonlight-common/src/com/limelight/nvstream/av/audio/AudioDepacketizer.java
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@ -13,6 +13,7 @@ public class AudioDepacketizer {
new LinkedBlockingQueue<ByteBufferDescriptor>(DU_LIMIT);
private AudioRenderer directSubmitRenderer;
private byte[] directSubmitData;
// Sequencing state
private short lastSequenceNumber;
@ -20,20 +21,32 @@ public class AudioDepacketizer {
public AudioDepacketizer(AudioRenderer directSubmitRenderer)
{
this.directSubmitRenderer = directSubmitRenderer;
if (directSubmitRenderer != null) {
this.directSubmitData = new byte[OpusDecoder.getMaxOutputShorts()*2];
}
}
private void decodeData(byte[] data, int off, int len)
{
// Submit this data to the decoder
byte[] pcmData = new byte[OpusDecoder.getMaxOutputShorts()*2];
int decodeLen = OpusDecoder.decode(data, off, len, pcmData);
int decodeLen;
byte[] pcmData;
if (directSubmitData != null) {
pcmData = null;
decodeLen = OpusDecoder.decode(data, off, len, directSubmitData);
}
else {
pcmData = new byte[OpusDecoder.getMaxOutputShorts()*2];
decodeLen = OpusDecoder.decode(data, off, len, pcmData);
}
if (decodeLen > 0) {
// Return value of decode is frames (shorts) decoded per channel
decodeLen *= 2*OpusDecoder.getChannelCount();
if (directSubmitRenderer != null) {
directSubmitRenderer.playDecodedAudio(pcmData, 0, decodeLen);
directSubmitRenderer.playDecodedAudio(directSubmitData, 0, decodeLen);
}
else if (!decodedUnits.offer(new ByteBufferDescriptor(pcmData, 0, decodeLen))) {
LimeLog.warning("Audio player too slow! Forced to drop decoded samples");