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Re: Recording from TV Card

On Mon, 26 Jan 2009, Jonathan A. Kollasch wrote:

Date: Mon, 26 Jan 2009 02:29:44 +0000
From: Jonathan A. Kollasch <>
To: Menuhin Saitov <>
Cc: NetBSD Users <>
Subject: Re: Recording from TV Card

On Thu, Jan 22, 2009 at 11:36:31AM +0100, Menuhin Saitov wrote:
i want to record a tv stream from TV Card,
the issue is that i have no sound , i have connected the card with vhs
player but i can't record sound, the video is working correctly.
I am trying with mencoder to accomplish this, how can i record with
audiorecord from the line in channel but should be on same time

I'll assume this is bktr(4).

What I've used:

mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd:tsaf \
 -vf scale=720:480 -srate 48000 \
 -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=7000:\
keyint=18:vstrict=0:acodec=ac3:abitrate=192:aspect=4/3 -ofps 30000/1001 \
 -fps 30000/1001 -o movie.mpg \
 -tv driver=bsdbt848:input=0:norm=ntsc:width=720:height=480:fps=30000/1001:\
audioid=0:audiorate=48000:adevice=/dev/sound tv:// -hr-edl-seek -edl bktr.edl

The important part is probably the audiorate=48000:adevice=/dev/sound part
of the -tv options.

Hope that helps.

        Jonathan Kollasch

but it freezes the system, I've heard that my card is 848 and there no chance to encode sound so i am trying to get a 878.


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