Files
commandergenius/project/java/Audio.java
2010-11-23 20:15:52 +02:00

127 lines
2.8 KiB
Java

// This string is autogenerated by ChangeAppSettings.sh, do not change spaces amount
package net.sourceforge.clonekeenplus;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.KeyEvent;
import android.view.Window;
import android.view.WindowManager;
import android.media.AudioTrack;
import android.media.AudioManager;
import android.media.AudioFormat;
import java.io.*;
import java.nio.ByteBuffer;
import android.util.Log;
import java.lang.Thread;
class AudioThread {
private Activity mParent;
private AudioTrack mAudio;
private byte[] mAudioBuffer;
private int mVirtualBufSize;
public AudioThread(Activity parent)
{
mParent = parent;
mAudio = null;
mAudioBuffer = null;
nativeAudioInitJavaCallbacks();
}
public int fillBuffer()
{
if( Globals.AudioBufferConfig == 0 && mAudio.getPlaybackHeadPosition() * 1000 / mAudio.getPlaybackRate() >= 30 )
{
try{
Thread.sleep(10);
} catch(InterruptedException e) {}
}
mAudio.write( mAudioBuffer, 0, mVirtualBufSize );
return 1;
}
public int initAudio(int rate, int channels, int encoding, int bufSize)
{
if( mAudio == null )
{
channels = ( channels == 1 ) ? AudioFormat.CHANNEL_CONFIGURATION_MONO :
AudioFormat.CHANNEL_CONFIGURATION_STEREO;
encoding = ( encoding == 1 ) ? AudioFormat.ENCODING_PCM_16BIT :
AudioFormat.ENCODING_PCM_8BIT;
mVirtualBufSize = bufSize;
if( AudioTrack.getMinBufferSize( rate, channels, encoding ) > bufSize )
bufSize = AudioTrack.getMinBufferSize( rate, channels, encoding );
if(Globals.AudioBufferConfig != 0) { // application's choice - use minimal buffer
bufSize = (int)((float)bufSize * (((float)(Globals.AudioBufferConfig - 1) * 2.5f) + 1.0f));
mVirtualBufSize = bufSize;
}
mAudioBuffer = new byte[bufSize];
mAudio = new AudioTrack(AudioManager.STREAM_RING,
rate,
channels,
encoding,
bufSize,
AudioTrack.MODE_STREAM );
mAudio.play();
}
return mVirtualBufSize;
}
public byte[] getBuffer()
{
return mAudioBuffer;
}
public int deinitAudio()
{
if( mAudio != null )
{
mAudio.stop();
mAudio.release();
mAudio = null;
}
mAudioBuffer = null;
return 1;
}
public int initAudioThread()
{
// Make audio thread priority higher so audio thread won't get underrun
Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
return 1;
}
public int pauseAudioPlayback()
{
if( mAudio != null )
{
mAudio.pause();
return 1;
}
return 0;
}
public int resumeAudioPlayback()
{
if( mAudio != null )
{
mAudio.play();
return 1;
}
return 0;
}
private native int nativeAudioInitJavaCallbacks();
}