[MPlayer-users] mencoder tv capture video problem

Wieslaw Kierbedz sprawki at wp.pl
Sat May 3 01:25:49 CEST 2003

joekewl at socal.rr.com wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> I recently picked up a WinTV card (bt878), and am trying to capture the TV
> signal with mencoder. However I am having a problem with the captured video
> file. When I play the video file back on my system, the video is only in
> sync with the audio for the first second of the video, after that, the video
> falls behind the audio, almost like the video is in slow-motion, while the
> audio playback continues in real time.
> Here is the capture command I am using:
> mencoder -tv
> on:driver=v4l:adevice=/dev/dsp:norm=NTSC: -ovc
> lavc -lavcopts vcodec=mpeg4:vbitrate=900 -oac mp3lame -lameopts
> cbr:br=64 -vop pp=lb -o output.avi
Maybe: ...width=320:height=240:fps=29...]
try -aoc pcm to take sound 1:1 with no compresion first and higher 
bitrate of video to not charge cpu

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