[alsa-devel] [BUG] snd_pcm_drop() does not stop the PCM immediately

[Martin Schreiber]

On 03/14/2018 05:16 PM, Takashi Iwai wrote:
>> Does snd_pcm_close() "scratching off the existing data from the mixed
>> buffer"?
> 
> It shouldn't.  There is no corresponding code in the dmix close path
> as far as I read again.  So, if it really does anything better, it's
> somewhere rather in the ALSA timer handling, I suppose.
> 
It does better, see attached alsadrop2.c.
Now the question is why? And could it be implemented in snd_pcm_drop() too?

Martin
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