Hi everyone, I need to modify the volume of an AudioTrack, while it is
playing a sound in streaming mode.
I have something like this:
minBufSize=AudioTrack.getMinBufferSize(11025,
AudioFormat.CHANNEL_OUT_STEREO, AudioFormat.ENCODING_PCM_16BIT);
fSound=new AudioTrack(
AudioManager.STREAM_MUSIC,
11025,
AudioFormat.CHANNEL_OUT_STEREO,
AudioFormat.ENCODING_PCM_16BIT,
minBufSize,
AudioTrack.MODE_STREAM
);
sample=this.getApplicationContext().getResources().openRawResource(R.raw.longfart);
b=new byte[minBufSize];
fSound.play();
fSound.setPlaybackRate(11025/2 + 11025*(yPos+187)/(2*187));
fSound.setStereoVolume( volume, volume);
try {
c=sample.read(b, 0, b.length);
} catch (IOException e1) {
}
while(c!=-1){
fSound.write(b, 0, c);
try {
c=sample.read(b, 0,
b.length);
} catch (IOException e) {
}
}
This works ok and plays the whole "song" (it's just a few seconds).
What I want to do is allow the user to change the volume while the
stream is being played. Can it be done?
Thanks
Simone
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