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
Originally committed as revision 21761 to svn://svn.ffmpeg.org/ffmpeg/trunk
Support "A format generated by IndigoVision 8000 video server".
Originally committed as revision 20681 to svn://svn.ffmpeg.org/ffmpeg/trunk