ydeng/rhythmbullet
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slightly better buffer system

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This commit is contained in:
Harrison Deng 2018-04-15 14:04:59 -05:00
parent 62dc7381c6
commit abf3028cfb
1 changed files with 9 additions and 2 deletions
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11
desktop/src/zero1hd/rhythmbullet/desktop/audio/visualizer/DesktopVisualizer.java
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@ -89,7 +89,14 @@ public class DesktopVisualizer extends MusicManagerFFT implements Visualizer {
} }
private void bufferChanged() { private void bufferChanged() {
playingBuffer.clear(); //set position to beginning to prepare for overwrite
playingBuffer.position(0);
//if the backing playing buffer is full, we have two sections: A and B. A is the one before B, and is read from due to playback latency and offset. B is merely a buffer.
if (playingBuffer.limit() == playingBuffer.capacity()) {
//put the second portion into the first...
playingBuffer.put(playingBuffer.array(), buffer.capacity(), buffer.capacity());
}
//put the new buffer in the second portion.
playingBuffer.put(compareBuffer); playingBuffer.put(compareBuffer);
} }
@ -118,7 +125,7 @@ public class DesktopVisualizer extends MusicManagerFFT implements Visualizer {
} }
int originalPos = buffer.position(); int originalPos = buffer.position();
playingBuffer = ShortBuffer.allocate(buffer.capacity()); playingBuffer = ShortBuffer.allocate(buffer.capacity()*2);
buffer.rewind(); buffer.rewind();
playingBuffer.put(buffer); playingBuffer.put(buffer);
playingBuffer.flip(); playingBuffer.flip();