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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
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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 time and date. By using the imlib functions, it would be easy to add your own
graphical logo, add a frame/border, etc. 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 @bye