Re: bttv / sound

From: Gerd Knorr (kraxel@goldbach.in-berlin.de)
Date: Sun Jan 09 2000 - 16:43:56 EST


In lists.linux.kernel, you wrote:
> Hi!
>
> If am starting first my "tvprogram" (xawtv) [+ loading manually msp3400/tuner] I am
> not able to
> change the soundvolume in xawtv and I am not able to play for example a mp3 with mit
> "mp3player".
> (=> modul "sb" is not loaded).
> But if I am first starting my "mp3player" (=> "sb" "sound" "soundcore" "uartt401" are
> loaded) and
> then "xawtv" (+ manually loading "msp3400" / "tuner") all is working properly and I
> am able to
> change the soundvolume in "xawtv" and in my "mp3player".

Both sb and msp3400 register a mixer device. By default this works the
"first come, first served" way, i.e. whoever is loaded first gets /dev/mixer0.

You can change this by loading msp3400 with "mixer=1", msp3400 will allways
allocate /dev/mixer1 then and /dev/mixer0 is kept free for sb. (works with
2.3.34+ only).

  Gerd

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