[alsa-devel] plug:dmix slows playback

[Jaroslav Kysela]

On Fri, 12 Jun 2009, Steve Langstaff wrote:

>> From: alsa-devel-bounces at alsa-project.org [mailto:alsa-devel-
>> bounces at alsa-project.org] On Behalf Of Jaroslav Kysela
>
>> On Fri, 12 Jun 2009, Steve Langstaff wrote:
>
>>> Slave: Hardware PCM card 0 'LM4549' device 0 subdevice 0
>>
>>>  msbits       : 16
>>
>> If I remember correctly, this value was 32 in your dmix setup.
>> Could you try command:
>>
>>  	aplay -D"plug:'dmix:FORMAT=S16_LE'" <filename>
>
> Yes, that works fine - is there something wrong with my configuration do you
> think?

It seems that 32-bit samples are not handled correctly in driver. 
What's your hardware? Output from alsa-info.sh script might be helpful for 
identification.

 						Jaroslav

-----
Jaroslav Kysela <perex at perex.cz>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.