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Video grab using ffmpeg?

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Operating Systems OS X (Apple) Video grab using ffmpeg?
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Old 12-27-2008
Video grab using ffmpeg?
Does anyone know how to grab video (screen) on Terminal using ffmpeg (not X11).

I have written a unix library and I'd like to make a short movie (demo) of it.

Tried: I already own SNapz Pro2 but it hangs the system (I have an old Powerbook 15" PPC). I guess my system is too slow for version 2.

I have tried some sharewares too, am in no mood of buying new stuff if i can use ffmpeg. ScreenFlick is good but puts a watermark. The resultant file for a full screen 2 minute or so movie is only 1-2 MB which is great.

Screen Movie Recorder also made a good demo movie (mov format) but its a 4 GB file.

The ffmpeg howto gives commands for video grab on X11, btw.
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LEARN ABOUT DEBIAN

pfsoutffmpeg

pfsoutffmpeg(1) 					      General Commands Manual						   pfsoutffmpeg(1)

NAME

       pfsoutffmpeg - Read pfs frames from stdin and forward them to ffmpeg program

SYNOPSIS

       pfsoutffmpeg [--help] <ffmpeg options> output_file

DESCRIPTION

       This command is a wrapper for ffmpeg program and can be used to write pfs frames to a compressed video.

       Check the examples section to for sample usage and see manual of ffmpeg for further information.

       Note  that  the	usage  of '-f' switch (input format specifier) and '-i' switch (input file specifier) of the ffmpeg program is implemented
       inside the script and is therefore not allowed.

EXAMPLES

       pfsinrgbe frame%04d.hdr --frames 100:2:200 | pfstmo_reinhard02 -s
	      | pfsgamma -g 1.7 | pfsoutffmpeg -qscale 4 test.avi

	      1. Read HDR frames in RGBE format with the following names:
		 frame0100.hdr, frame0102.hdr, frame0104.hdr,... frame0200.hdr

	      2. Apply local tone mapping operator to each frame (Reinhard2002
		 model, part of the PFSTMO package)

	      3. Apply gamma correction to each tone mapped frame

	      4. Compress frames to test.avi animation

SEE ALSO

       ffmpeg(1) pfsin(1) pfstmo_reinhard02(1) pfsgamma(1)

BUGS

       Frames smaller than 512x384 can cause broken pipe error, due to bug in ppm pipe reading routine in ffmpeg.

       Please report bugs and comments to Rafal Mantiuk <mantiuk@mpi-sb.mpg.de> or Grzegorz Krawczyk <krawczyk@mpi-sb.mpg.de>.

																   pfsoutffmpeg(1)