Remove explicit filename from Doxygen @file commands.
Passing an explicit filename to this command is only necessary if thedocumentation in the @file block refers to a file different from theone the block resides in.
Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
Define AVMediaType enum, and use it instead of enum CodecType, whichis deprecated and will be dropped at the next major bump.
Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
Implement null video source.
Originally committed as revision 21240 to svn://svn.ffmpeg.org/ffmpeg/trunk