replace deprecated FF_*_TYPE symbols with AV_PICTURE_TYPE_*
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 <email@example.com>(cherry picked from commit d36beb3f6902b1217beda576aa18abf7eb72b03c)
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
Split PAM encoder off into its own file.
Originally committed as revision 20395 to svn://svn.ffmpeg.org/ffmpeg/trunk