Hi all,
If I create and release multiple AudioTrack objects, the GREF count
continually increases which eventually causes an application crash.
This small test code snipped illustrates the problem:
byte[] buffer = readAudioFile( "audio.raw" );
for ( int n = 0; n < 10; ++n )
{
for ( int i = 0; i < 100; ++i )
{
Log.v("Info", "Track " + n + "," + i );
AudioTrack newTrack = new AudioTrack
( AudioManager.STREAM_MUSIC, 16000,
AudioFormat.CHANNEL_CONFIGURATION_MONO,
AudioFormat.ENCODING_PCM_16BIT,
buffer.length, AudioTrack.MODE_STATIC );
newTrack.write( buffer, 0, buffer.length );
newTrack.flush();
newTrack.release();
}
Runtime.getRuntime().gc();
}
Even with a forced garbage collection, I end up with the same high
GREF count at the end of the loop. In my application, I continuously
create AudioTracks from variable lenght buffers. I guess I can try
and use a fixed size pool of AudioTracks each with a buffer large
enough to fit my longest sound, and try and reuse them. Is there a
better/correct way to completely clear resources used by an
AudioTrack?
Any help will be greatly appreciated,
Thanks!
Morne
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