*avff, so that an AVFilterFormats struct is created and returned by
the function if *avff is NULL.

Make the function use more convenient.

Originally committed as revision 21035 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by John Van Sickle, john.vansickle gmail com

Originally committed as revision 21033 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21032 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Francesco Lavra (francescolavra at interfree dot it).

Originally committed as revision 21031 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21030 to svn://svn.ffmpeg.org/ffmpeg/trunk

Solves issue 1657.

Originally committed as revision 21029 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21028 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21027 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21026 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21025 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21024 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21023 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21022 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21021 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21020 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21019 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21018 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21017 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21016 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21015 to svn://svn.ffmpeg.org/ffmpeg/trunk

headers installed.

Originally committed as revision 21014 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by avcoder, ffmpeg gmail com

Originally committed as revision 21013 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21012 to svn://svn.ffmpeg.org/ffmpeg/trunk

so we can't use SSE-optimized routines.

Originally committed as revision 21011 to svn://svn.ffmpeg.org/ffmpeg/trunk

Grouping, and Lyrics.

Originally committed as revision 21010 to svn://svn.ffmpeg.org/ffmpeg/trunk

formats only the non-HW-accelerated formats, for which there is no
sense in filtering.

Originally committed as revision 21009 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21008 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21007 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21006 to svn://svn.ffmpeg.org/ffmpeg/trunk

of getSubSampleFactors().

Originally committed as revision 30184 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

swscale_configuration() and swscale_license() functions, consistent
with the rest of FFmpeg.

Originally committed as revision 30180 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

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