XXX_license() functions, consistent with the rest of FFmpeg.

Originally committed as revision 21005 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Reinhard Tartler (siretart AT tauware DOT de).

Originally committed as revision 21004 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 30172 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

av_pix_fmt_descriptors().

Originally committed as revision 30171 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

causes no significant speed difference and can avoid compilation issues with
--enable-pic.

Originally committed as revision 21003 to svn://svn.ffmpeg.org/ffmpeg/trunk

FATE tests might need updating too.

Originally committed as revision 21002 to svn://svn.ffmpeg.org/ffmpeg/trunk

entry.

Originally committed as revision 21001 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21000 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20999 to svn://svn.ffmpeg.org/ffmpeg/trunk

deletion at the next major bump.

Originally committed as revision 20998 to svn://svn.ffmpeg.org/ffmpeg/trunk

Also add xvid_build check.
If you note any packed bitstream regression, check this commit first and report it.
Fixes issue1652

Originally committed as revision 20997 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20996 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20995 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20994 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20993 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20992 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20991 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20990 to svn://svn.ffmpeg.org/ffmpeg/trunk

consistent with r19122.

Originally committed as revision 20989 to svn://svn.ffmpeg.org/ffmpeg/trunk

enough other registers available that are less likely to cause issues.

Originally committed as revision 30160 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

Originally committed as revision 20988 to svn://svn.ffmpeg.org/ffmpeg/trunk

and clone its code to ffserver_guess_format() in ffserver.c.

guess_stream_format() is hackish since it relies on some undocumented
properties of the name of the muxers (wich is currently only relevant
for the ASF muxer), and has no use outside ffserver.c.

Originally committed as revision 20987 to svn://svn.ffmpeg.org/ffmpeg/trunk

It is an exact duplicate of memsetw() in h263.c.

Originally committed as revision 20986 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20985 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20984 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20983 to svn://svn.ffmpeg.org/ffmpeg/trunk

sdp_read_packet -> rtsp_fetch_packet

This way describes slightly better what it does.

Originally committed as revision 20982 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20981 to svn://svn.ffmpeg.org/ffmpeg/trunk

It is used by both encoders and decoders and should not be below
a CONFIG_ENCODERS preprocessor check.

Originally committed as revision 20980 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20979 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20978 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20977 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20976 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20975 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20974 to svn://svn.ffmpeg.org/ffmpeg/trunk

It is just a logical OR of several decoder definitions, all of which depend on
CONFIG_H263_DECODER. So it can just be replaced by the latter.

Originally committed as revision 20973 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20972 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20971 to svn://svn.ffmpeg.org/ffmpeg/trunk

There is no need to list decoders that enable the H.263 decoder anyway.

Originally committed as revision 20970 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20969 to svn://svn.ffmpeg.org/ffmpeg/trunk