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Hold the device lock with ALSA between mixing and writing

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This commit is contained in:
Chris Robinson 2012-08-18 17:18:53 -07:00
parent af7f3768fa
commit a56a974149
1 changed files with 4 additions and 0 deletions
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4
Alc/backends/alsa.c
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@ -505,6 +505,7 @@ static ALuint ALSAProc(ALvoid *ptr)
avail -= avail%update_size;
// it is possible that contiguous areas are smaller, thus we use a loop
ALCdevice_Lock(Device);
while(avail > 0)
{
frames = avail;
@ -529,6 +530,7 @@ static ALuint ALSAProc(ALvoid *ptr)
avail -= frames;
}
ALCdevice_Unlock(Device);
}
return 0;
@ -587,6 +589,7 @@ static ALuint ALSANoMMapProc(ALvoid *ptr)
continue;
}
ALCdevice_Lock(Device);
WritePtr = data->buffer;
avail = snd_pcm_bytes_to_frames(data->pcmHandle, data->size);
aluMixData(Device, WritePtr, avail);
@ -620,6 +623,7 @@ static ALuint ALSANoMMapProc(ALvoid *ptr)
break;
}
}
ALCdevice_Unlock(Device);
}
return 0;