Move audio buffering responsibility onto us and simply fill whatever the runtime gives us

This commit is contained in:
Cameron Gutman
2013-12-20 15:20:48 -05:00
parent 8625e9c402
commit 83747e501d
2 changed files with 74 additions and 12 deletions

View File

@@ -0,0 +1,53 @@
package com.limelight.binding.audio;
import java.nio.ByteBuffer;
import java.nio.ShortBuffer;
import java.util.LinkedList;
import com.limelight.nvstream.av.ShortBufferDescriptor;
public class SoundBuffer {
private LinkedList<ShortBufferDescriptor> bufferList;
private int maxBuffers;
public SoundBuffer(int maxBuffers) {
this.bufferList = new LinkedList<ShortBufferDescriptor>();
this.maxBuffers = maxBuffers;
}
public void queue(ShortBufferDescriptor buff) {
if (bufferList.size() > maxBuffers) {
bufferList.removeFirst();
}
bufferList.addLast(buff);
}
public int fill(byte[] data, int offset, int length) {
int filled = 0;
// Convert offset and length to be relative to shorts
offset /= 2;
length /= 2;
ShortBuffer sb = ByteBuffer.wrap(data).asShortBuffer();
sb.position(offset);
while (length > 0 && !bufferList.isEmpty()) {
ShortBufferDescriptor buff = bufferList.getFirst();
if (buff.length > length) {
break;
}
sb.put(buff.data, buff.offset, buff.length);
length -= buff.length;
filled += buff.length;
bufferList.removeFirst();
}
// Return bytes instead of shorts
return filled * 2;
}
}