[MPlayer-users] Why would mplayer not control the volume?

[Nicolas George]

arthurpeabody (12022-12-06):
> My built-in audio is misbehaving so I plugged in a USB audio adaptor and changed mplayer.conf from 
> 
>       ao=alsa:device=hw=0.0
> 
> to:
>      ao=alsa:device=hw=1.0
> 
> mplayer's volume keys say they're changing the volume but they don't. alsamixer and amixer work.

For ALSA, there is no built-in map between PCM devices and mixer
devices: you set the PCM device, but you did not set the mixer device,
so it is still using the default. See the documentation.

Regards,

-- 
  Nicolas George