Bump. Is SoundPool just broken? On Feb 27, 11:30 pm, BJP <[email protected]> wrote: > I'm having a problem where SoundPool crashes, but gives no > programmatic indication that is has crashed. After it crashes, it > will not play any more sounds until the application is reloaded > (exiting via back button then restarting is not sufficient). LogCat > gives me these error messages: > > AudioFlinger: no more track names availlable [sic] > AudioTrack: AudioFlinger could not create track, status: -12 > SoundPool: Error creating AudioTrack > > Yet, despite these errors, SoundPool.play() still returns a positive > integer that increments for each new play request which, according to > the documentation, indicates that there was not an error. Someone > else started an Issue for this > problem:http://code.google.com/p/android/issues/detail?id=13453 > > ...however, there have been no responses. The code below is a > minimalist Activity to consistently recreate this issue. Just create > a new Android project, set the ID of the LinearLayout to main_bg, set > the ID of the TextView to main_tv, and add a sound file named ding to > res/raw. The sound file needs to be long enough to click on the > screen four times before the first sound completes; mine is a 1.7- > second 22050 Hz mono MP3 @ 96kbps. After a brief pause, the fifth > click will generate the error messages above via LogCat. Or, you can > just click a bunch of times until sounds stop playing. > > I have tested the error messages to occur on a T-Mobile G1 running > Android 1.6 and a DroidX running Android 2.2, but they do not occur on > a 1.6 emulator, a 2.1 emulator, or a 2.2 emulator. > > Does anyone know how to fix this problem, or is SoundPool just > worthless for coincident sound effects? > > public class SoundTestActivity extends Activity implements > OnClickListener { > private SoundPool mSoundPool; > private HashMap<Integer, Integer> mSoundPoolMap; > private int index = 0; > > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > setContentView(R.layout.main); > > findViewById(R.id.main_bg).setOnClickListener((OnClickListener)this); > > initSounds(); > mSoundPoolMap.put(index, > mSoundPool.load(getApplicationContext(), R.raw.ding, 1)); > } > > public void initSounds() { > mSoundPool = new SoundPool(10, AudioManager.STREAM_MUSIC, 0); > mSoundPoolMap = new HashMap<Integer, Integer>(); > } > > @Override > public void onClick(View v) { > int result = mSoundPool.play(mSoundPoolMap.get(index), 0.99f, > 0.99f, 1, 0, 1f); > > ((TextView)findViewById(R.id.main_tv)).setText(Integer.toString(result)); > } > > }
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