Patch by Anton Khirnov (gmail{wyskas}).

Originally committed as revision 21653 to svn://svn.ffmpeg.org/ffmpeg/trunk

Consistently apply this rule: the guard name is obtained from the
filename by stripping the leading "lib", converting '/' and '.'  to
'_' and uppercasing the resulting name. Guard names in the root
directory have to be prefixed by "FFMPEG_".

Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12305 to svn://svn.ffmpeg.org/ffmpeg/trunk

and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 6219 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5720 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 2502 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 2225 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 1817 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 1815 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 1814 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 1741 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 1664 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 1276 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 1186 to svn://svn.ffmpeg.org/ffmpeg/trunk

  stream id that AVI wants for MSMPEG4V3 doesn't work for ASF. I have
  added a flag to indicate that certain tags should not be used in ASF
  streams. I think that this is the wrong solution (just adding a flag
  for ASF), but it does work.

Originally committed as revision 1112 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 1092 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 547 to svn://svn.ffmpeg.org/ffmpeg/trunk

* grab containes new code

Originally committed as revision 388 to svn://svn.ffmpeg.org/ffmpeg/trunk

* adding const & statics

Originally committed as revision 387 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 147 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk