[MPlayer-users] recording at slow frame rate

Jeremy Sanders jss at ast.cam.ac.uk
Wed Jul 9 16:25:27 CEST 2008


The Wanderer wrote:

> Have you tried specifying the input FPS as part of the '-tv' option,
> rather than specifying the output FPS as a separate option?

I've tried doing:

[root at xpc2 ~]# mencoder -ovc x264 -x264encopts bitrate=200 -oac
lavc -lavcopts acodec=ac3:abitrate=128 -vf scale=1024:768 -o out.avi -tv
driver=v4l:outfmt=bgr24:device=/dev/video0:adevice=/dev/dsp1:forceaudio:fps=5 -fps
5  tv://

This worked one time I tried it but failed the second (the video was
recorded with too low a frame rate) and eventually the buffer was
overfilled with video.

I have no idea why this is so hard... Maybe it's a driver issue and Windows
would be a better bet.

Jeremy





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