On Saturday 04 Jun 2011 12:42:07 meino.cra...@gmx.de wrote: > I modularized alsa. > Now I have back my distorted sound when using vlc for tv and mplayer > does not find any audio device despite the fact that everything is > in place...and gucview produces videos with an empty audio track > (recorded "sound of silence" as it seems) as it has done already > before. > > What next? [snip ...]
> !!USB Mixer information > !!--------------------------- > --startcollapse-- > > USB Mixer: usb_id=0x14152000, ctrlif=1, ctlerr=0 > Card: OmniVision Technologies, Inc. USB Camera-B4.04.27.1 at > usb-0000:00:12.2-3, high Unit: 3 > Control: name="Mic Capture Volume", index=0 Hmmm .. shouldn't this line also have device=0 at the end? > Info: id=3, control=2, cmask=0xf, channels=4, type="S16" > Volume: min=0, max=1, dBmin=0, dBmax=0 > --endcollapse-- [snip ...] > !!-------Mixer controls for card 0 [CameraB404271] > > amixer: Mixer load hw:0 error: Invalid argument > Card hw:0 'CameraB404271'/'OmniVision Technologies, Inc. USB > Camera-B4.04.27.1 at usb-0000:00:12.2-3, high' Mixer name : 'USB Mixer' > Components : 'USB1415:2000' > Controls : 1 > amixer: Mixer hw:0 load error: Invalid argument That dreaded error again ... What do you get when you run: alsamixer -D hw:0 > Simple mixer control 'IEC958',0 > Capabilities: pswitch pswitch-joined penum > Playback channels: Mono > Mono: Playback [on] Try muting this just in case it makes a difference (I seem to recall it used to cause problems many moons ago). > !!Alsactl output > !!------------- > > --startcollapse-- > --endcollapse-- Hold on! Have you run alsactl at all? Can you please run: alsactl -d init to load the modules, probe the cards and reset all your devices. Then run alsamixer to adjust their settings accordingly. If all this does not help, then all I can think is that something in the sound drivers has changed for the worse (regression bug) and that's why you lost your sound. -- Regards, Mick
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