Re: [gentoo-user] Re: audio with TV crd

[Uwe Thiem <uwix@iway.na>]

On 21 July 2006 16:09, Marco Costa wrote:
> Hi,
>
> Actually, that is what I _have_ to do with my old TV card.
> It doesn't have a input for audio and no internal mixer, so I have to
> record the sound directly from the soundcard.
>
> I use menconder to do just that:
>
>
> mencoder tv:// -tv
> driver=v4l2:device=/dev/video0:input=3:width=640:height=480:alsa -oac
> mp3lame alsa -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=8800:vme=3 -o
> outfile.avi

I'll try something like that. What do you think of this error message:

Playing tv://.
Selected driver: v4l2
 name: Video 4 Linux 2 input
 author: Martin Olschewski <olschewski@zpr.uni-koeln.de>
 comment: first try, more to come ;-)
Selected device: Hauppauge WinTV PVR-150
 Tuner cap: STEREO LANG1 LANG2
 Tuner rxs: MONO LANG2
 Capabilites:  video capture  VBI capture device  tuner  audio  read/write
 supported norms: 0 = PAL-BGH; 1 = PAL-DK; 2 = PAL-I; 3 = PAL-M; 4 = PAL-N; 5 
= PAL-Nc; 6 = SECAM-BGH; 7 = SECAM-DK; 8 = SECAM-L; 9 = SECAM-L'; 10 = 
NTSC-M; 11 = NTSC-J; 12 = NTSC-K;
 inputs: 0 = Tuner 1; 1 = S-Video 1; 2 = Composite 1; 3 = S-Video 2; 4 = 
Composite 2;
 Current input: 2
 Current format: unknown (0x4745504d)
v4l2: current audio mode is : MONO
v4l2: ioctl request buffers failed: Invalid argument
v4l2: 0 frames successfully processed, 0 frames dropped.

That ioctl failure doesn't seem to be a permission problem. The relevant 
devices all have group video rw permissions and I am member of video.

>
> The man page for mencoder is quite undertandable, if you want to customize
> the parameters.

Not really. I think that man page is a big mess. ;-) Though one can find one's 
way around in it with tons of time.

Uwe

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