[alsa-devel] XRUN handling

melwyn lobo linux.melwyn at gmail.com
Tue Jul 6 13:05:21 CEST 2010

Adding mailing list to copy:

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> melwyn lobo wrote:
>> In case snd_pcm_playback_avail() is less than stop threshold but
>> greater than 0, then these bytes are missing after Xrun prepare and
>> start stage.
> Preparing a stream resets it, i.e., any data currently in the buffer
> is discarded.
> If you want to have data in the buffer after preparing, you have to
> write it again.

Thanks for the confirmation. Our client is working on aplay to test
our driver in which already there is this issue.
Is there any workaround in kernel/driver space that could be done or
it can only be fixed in aplay.


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