For the Video guys, Mark?
Cyber Source
peter at thecybersource.com
Tue Aug 26 22:08:13 EDT 2003
I'm using ALSA. How is it that it can capture and then output to my
video card and monitor but can't achieve this with the sound?
On Tue, 2003-08-26 at 21:42, Dave Andruczyk wrote:
> Most (but not all) TV cards are video only and just PASS THROUGH the sound
> through the soundcards line in (or CD in ports via a wire jumper) to get audio,
> in this case you would need to be recording from the soundcard (/dev/dsp for
> OSS, or /dev/snd/pcmC??? for ALSA) while grabbing frames. Some better TV cards
> do have audio record ability with the btaudio OSS driver. (I donno if there is
> a comparable ALSA driver..)
>
> For DVD's you might look into dvdauthor.. I've personally never used it as I
> don't have a DVD burner..
>
> You might try the mpegtools package
> --- Cyber Source <peter at thecybersource.com> wrote:
> > Ok, I have one for the video guys. I have been getting ALOT of requests
> > for DVD and AVI's for Linux, that is people want to use there Linux
> > boxes to create DVD's, AVI's, etc. Just to keep it simple for now, I
> > would like to limit my question to this,
> > I have installed an AverTV TV Tuner Card, works great! I have all the
> > config's the way I think they should be but I probably have something
> > wrong due to the lack of info in the man page (xawtvrc). Anywho, my
> > problem is this, I have never been able to create an avi file with the
> > xawtv program until now, actually works great with very nice capture,
> > however, I cannot for the life of me get the sound to get recorded. The
> > sound works great using the TV part of it. I will include a copy of my
> > ~/.xawtv file below.
> > Also, one thing of note, could be important or at least a clue, I have
> > to start xawtv with "xawtv -c /dev/video0" instead of just with "xawtv".
> > I read the man page and it says that /dev/video0 is the default anyway,
> > so I really don't see why I need to specify the whole thing with the -c
> > option.
> > Here is an excerpt from the man page on xawtv (notice how it says that
> > Xvideo support would be lost, is that why my sound isn't being
> > recorded?)
> > ‐c, ‐device device
> > set video4linux device (default is /dev/video0). This
> > option
> > also disables Xvideo support.
> > Resource: xawtv.device (string).
> > Here is the ~/.xawtv file I am using
> >
> > [global]
> > freqtab = us-cable
> > keypad-ntsc = on
> > fullscreen = 1024 x 768
> > input = Television
> > mixer = line
> > mov-driver = avi
> > mov-video = rgb24
> > mov-audio = stereo
> >
> > [defaults]
> > norm = ntsc
> > audio = stereo
> > capture = grabdisplay
> >
> > Thanks in advance to anyone who can help!!!
> > --
> > Cyber Source <peter at thecybersource.com>
> >
>
> =====
> Dave J. Andruczyk
>
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--
Cyber Source <peter at thecybersource.com>
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