Create a set of null callback functions.
authorBobby Bingham <uhmmmm@gmail.com>
Thu, 18 Mar 2010 23:12:48 +0000 (23:12 +0000)
committerBobby Bingham <uhmmmm@gmail.com>
Thu, 18 Mar 2010 23:12:48 +0000 (23:12 +0000)
commit91d1c741bfa5c39c222bb3f86357a9da50227df1
treed04e1857cea0e659baac84818f8ae7cbd9b0a9b6
parent22e8222fd25d1f6ba967abd687cb98fe244f6e3b
Create a set of null callback functions.
These are useful for filters which don't modify the image data.

Originally committed as revision 22594 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavfilter/avfilter.h
libavfilter/defaults.c