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Protect SDL_PauseAudio*() with the audio callback lock.

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Otherwise, you can pause audio and still have the callback running, or run
 one more time. This makes sure the callback is definitely stopped by the
 time you return from SDL_PauseAudio().
This commit is contained in:
Ryan C. Gordon
2013-07-14 12:42:12 -04:00
parent 10513105ac
commit f6250318c6
1 changed files with 4 additions and 2 deletions
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6
src/audio/SDL_audio.c
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@@ -480,13 +480,13 @@ SDL_RunAudio(void *devicep)
}
}
SDL_LockMutex(device->mixer_lock);
if (device->paused) {
SDL_memset(stream, silence, stream_len);
} else {
SDL_LockMutex(device->mixer_lock);
(*fill) (udata, stream, stream_len);
SDL_UnlockMutex(device->mixer_lock);
}
SDL_UnlockMutex(device->mixer_lock);
/* Convert the audio if necessary */
if (device->convert.needed) {
@@ -1114,7 +1114,9 @@ SDL_PauseAudioDevice(SDL_AudioDeviceID devid, int pause_on)
{
SDL_AudioDevice *device = get_audio_device(devid);
if (device) {
current_audio.impl.LockDevice(device);
device->paused = pause_on;
current_audio.impl.UnlockDevice(device);
}
}