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| -rw-r--r-- | doc/hooks.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/hooks.texi b/doc/hooks.texi index a9c1255ec3..bd817e7f9c 100644 --- a/doc/hooks.texi +++ b/doc/hooks.texi @@ -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 |