Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf.
None of these symbols should be accessed directly, so declare them ashidden.
Signed-off-by: Mans Rullgard <firstname.lastname@example.org>
Lagarith: fix decoding of one-coloured frames by reading the per-planecolor value instead of always taking 0 (resulting in green frames).Fixes issue issue2531.
Originally committed as revision 26363 to svn://svn.ffmpeg.org/ffmpeg/trunk
Lagarith decoder by Nathan Caldwell, saintdev at gmail
Originally committed as revision 26270 to svn://svn.ffmpeg.org/ffmpeg/trunk