[MPlayer-users] Mplayer and TV capture

Martin Collins martin at mkcollins.org
Thu Mar 13 23:17:30 CET 2003


On Thu, 13 Mar 2003 12:33:41 +0000
Bobby <bobby0802 at austin.rr.com> wrote:

> I successfully capture, but it is too damned
> fast and I have to PLAY the captured file at --speed .65, here is
> what I am using to capture with a Wintv Card and SB live:
...
> vcodec=mpeg4:vbitrate=1000:vme=5 -oac copy -ofps 25

Looks to me like you are writing the file at 25fps but recording at
29.97fps (or whatever NTSC framerate is). Ideally you want the rates
to match. Add fps=29.97 to your tv options and change -ofps as well.

> Pos:   5.5s    249f ( 0%)  29fps Trem:   0min   0mb  A-V:0.000
> [1093:1536] error reading audio: Interrupted system call
> Pos:   5.5s    250f ( 0%)  27fps Trem:   0min   0mb  A-V:0.000

And maybe your machine is having a hard time keeping up.

> Note thta for some reason it ignores my codec choice too, and
> captures Un compresed,

Are you sure, what does mplayer say when you play back?

Martin



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