On Mon, 17 Feb 2003, tomasz motylewski wrote:
> On Mon, 17 Feb 2003, Jaroslav Kysela wrote:
>
> > Note that your all nice ideas go to some blind alley. Who will silence the
> > sum buffer? Driver silences only hardware buffer which will not be used
> > for the calculation in your algorithm.
>
> Silencing is not time critical, if buffer is big enough it does not matter
> whether is it done 1 ms or 100 ms after the card has played the data. Therefore
> it may be done by a separate thread/process/kernel task without any
> interference with other processes writing to the buffer.
It is time critical for the dmix plugin, because other processes might
write new samples to "empty" areas.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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