[nas] audiooss buffer underrun

Jon Trulson jon at radscan.com
Mon Aug 13 14:27:24 MDT 2007


On Fri, 10 Aug 2007 jonshan at eden.rutgers.edu wrote:

>>    - auplay on some wav file works ok?
>
> Yes, NAS and auplay work great.
>
>>    - using audiooss on something like 'play' works ok?
>
> No. I can't confirm if audiooss works at all on my system.
>
> node:/dev# play ~/sounds/sounds/fanfare.wav -t ossdsp /dev/dsp
> play stio: Can't open input file `/dev/dsp': No such file or directory
>
> LD_PRELOAD is set to /usr/lib/libaudiooss.so .
>
> node:/dev# sox -t wav ~/sounds/sounds/fanfare.wav -t ossdsp /dev/dsp
> sox stio: Failed writing /dev/dsp: Unable to reset OSS driver.  Possibly
> accessing an invalid file/device
>
> Now /dev/dsp exists.
>
> node:~/audiooss-1.0.0# play fanfare.wav -t ossdsp /dev/dsp
> play stio: Failed reading `/dev/dsp': Unable to reset OSS driver.
> Possibly accessing an invalid file/device
>
> The same file correctly plays by doing: "auplay fanfare.wav".
>

   Hmm... I seem to remember Erik having some issues originally in
   properly intercepting open() calls for /dev/dsp et. al.

   I don't suppose stracing it provides any clues?  This will take some
   debugging.  I could try it here, though I'm using slackware.  What
   linux are you using?


> Jonathan Shan
>

-- 
Jon Trulson
mailto:jon at radscan.com 
#include <std/disclaimer.h>
"No Kill I" -Horta




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