[MPlayer-users] tv recording - newbie questions

Kichigai Mentat kichigai at comcast.net
Thu Mar 10 23:05:36 CET 2005

On Mar 10, 2005, at 12.16, Mauro Condarelli wrote:

> Hi all,
> I "just" want to record some late night tv program in order to be able  
> to see it next day.
> My hardware is a decent intel D865GBF motherboard with on-board i810  
> audio and a (quite old) Hauppage WinTV (bt878-based). Speed shouldn't  
> be a problem (2.8G), I have 1G Ram and plenty (>>500Gb) of HD space.
> Distribution is Debian Sarge.
> I managed to do basic recording using the following:
> amixer set Line 90% mute cap
> mencoder tv://Rai_1 -tv  
> driver=v4l2:device=/dev/video0:norm=PAL:chanlist=italy:alsa: 
> quality=60:width=640:height=480 -noskip -o /export/ttt/test.avi -oac  
> mp3lame -lameopts cbr:br=64 -ovc lavc -lavcopts  
> vcodec=mpeg4:vbitrate=900 -vf pp=lb
> amixer set Line 0% mute nocap
When I had a PC with a BT848 card in it, this was the line I used:

mplayer -tv  
adevice=/dev/dsp tv://1 -zoom -aspect 4:3

Of course, since I use NTSC and you use PAL, you'll probably want to  
make a few modifications. It's the adevice line that I use.
> I almost managed to make a fool of myself forgetting the "amixer"  
> lines (and thus ending up with no audio!).
> I have two questions:
> 1) I would like to record audio directly from the snd-bt87x device;  
> what should I do?
> 2) What are the best parameters to tecord TV? keep in mind that:
>   - I do record rather noisy over-the-air analog TV.
>   - I do not care too much for "the best compression" since i do not  
> plan to store the shows, just to see    them delayed.
>   - I would like to record unattended and I have seen that other PVRs  
> offer "commercial removal" how does that work?
> Thanks in Advance
> Mauro
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