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PPM vhook documentation, by Victor Paesa.

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wzrlpy at arsystel dot com

Originally committed as revision 6132 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Benjamin Larsson 2006-08-30 18:28:41 +00:00
parent e645a733a6
commit 56d2d2d01a
1 changed files with 11 additions and 0 deletions
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doc/hooks.texi
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@ -45,5 +45,16 @@ This allows a caption to be placed onto each frame. It supports inserting the
time and date. By using the imlib functions, it would be easy to add your own
graphical logo, add a frame/border, etc.
@section ppm.c
It's basically a launch point for a PPM pipe, so you can use any
executable (or script) which consumes a PPM on stdin and produces a PPM
on stdout (and flushes each frame).
Usage example:
@example
ffmpeg -i input -vhook "/path/to/ppm.so some-ppm-filter args" output
@end example
@bye