David Walser wrote: > Christiaan Welvaart wrote: >> On Sat, 29 Dec 2012, David Walser wrote: >> >>> I have an ATI TV Wonder VE video card which doesn't handle audio >>> internally, it just pipes it out a 1/8" audio cable which you plug into >>> the Line In input in the sound card, and you record the audio from that. >>> For years, I've been using the script below to record TV from it. The >>> aumix command sets the IGain mixer channel, which controls the volume of >>> the audio that gets recorded. Up through Mageia 1, this worked fine. >>> Now in Mageia 2, I get no sound. >>> >>> aumix -i 60 >>> mencoder -tv >>> driver=v4l2:width=640:height=480:adevice=/dev/dsp:norm=ntsc:input=0 tv:// >>> -o tv.avi -oac mp3lame -ovc lavc -lavcopts > acodec=libmp3lame:abitrate=64:vbitrate=1800:vhq -lameopts vbr=3:br=64 -srate > 44100 -vf crop=608:456:14:10 > /dev/null 2>&1 >>> aumix -i 0 >> >> Well all kinds of things can be wrong. Does the TV card output sound? > > The TV card is fine, all that's changed is upgrading to mga2. > >> Maybe the input selector of the sound card is set to microphone. > > How would you check/change that? Why would it get messed up all of a sudden? > >> Why are you using OSS instead of alsa directly? > > That's what mencoder uses. It should work fine.
I tried changing adevice=/dev/dsp to the following things, which all also didn't work: alsa:adevice=hw.0,0 alsa:adevice=hw.0,1 alsa:adevice=hw.0,2 Here are the sound and TV devices from lspcidrake. This is smelling like a kernel bug to me. snd_hda_intel : Intel Corporation|82801JI (ICH10 Family) HD Audio Controller bt878 : Brooktree Corporation|Bt878 Audio Capture [MULTIMEDIA_OTHER] (rev: 11) bttv : Brooktree Corporation|Bt878 Video Capture [MULTIMEDIA_VIDEO] (rev: 11) >> Try to get things working with alsamixer if aumix doesn't work... > > aumix seems to be working fine, it still sees the IGain channel and can set > it just fine. I think something else is wrong.
