At Wed, 06 Sep 2006 20:29:39 +0200,
Dominique Dumont wrote:
>
> Takashi Iwai <[EMAIL PROTECTED]> writes:
>
> > Then check the buffer and period sizes of the PCM stream by checking
> > /proc/asound/card0/pcm2p/sub0/hw_params.
>
> Here we go:
>
> $ sudo cat /proc/asound/card0/pcm2p/sub0/hw_params
> access: RW_INTERLEAVED
> format: S16_LE
> subformat: STD
> channels: 2
> rate: 48000 (48000/1)
> period_size: 480
> buffer_size: 16384
> tick_time: 4000
OK, it's not big but not so small.
Then check whether XRUN occurs at next. Make sure that you compiled
the driver with debug option (--with-debug=full configure option),
then do the following as root:
# echo 2 > /proc/asound/card0/pcm2p/xrun_debug
then play the ac3 file. You'll get stacktraces in kernel messages if
XRUN is detected by the sound driver. It's not perfect but an easy
way.
Takashi
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