Track the permissions that have been given out to each picture.

Track the permissions that have been given out to each picture.
This should make it easier to know what can be done to a buffer once
it's been passed to your filter without falling back to copying it "just
to be safe".

Commited in SoC by Bobby Bingham on 2007-08-17 18:21:07

Originally committed as revision 12068 to svn://svn.ffmpeg.org/ffmpeg/trunk