This removes duplicated definitions of 8x8 and 16x16 fullpel MC
functions with various names reducing dsputil.o by 8k on x86_64.

Originally committed as revision 24933 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24932 to svn://svn.ffmpeg.org/ffmpeg/trunk

to the VP6 fate failures on Win64.

Originally committed as revision 24931 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24930 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Josh Allmann, joshua dot allmann at gmail

Originally committed as revision 24929 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24928 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24927 to svn://svn.ffmpeg.org/ffmpeg/trunk

The stride can be negative and must be sign extended before being
used in pointer arithmetic.

Originally committed as revision 24926 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24925 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24924 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24923 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 32013 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

Originally committed as revision 32012 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

help in fixing the Win64 fate failures.

Originally committed as revision 24922 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24921 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24920 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24919 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24918 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24917 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24916 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24915 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24914 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24913 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Josh Allmann, joshua dot allmann at gmail

Originally committed as revision 24912 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24911 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24910 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24909 to svn://svn.ffmpeg.org/ffmpeg/trunk

two VP8-related fate failures on Win64.

Originally committed as revision 24908 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24907 to svn://svn.ffmpeg.org/ffmpeg/trunk

Because the order of evaluation of subexpressions is undefined, two
get_bits() calls may not be part of the same expression.

See also r24902.

Originally committed as revision 24906 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24905 to svn://svn.ffmpeg.org/ffmpeg/trunk

consistency with input_video_filter.

Originally committed as revision 24904 to svn://svn.ffmpeg.org/ffmpeg/trunk

always -1.

Originally committed as revision 24903 to svn://svn.ffmpeg.org/ffmpeg/trunk

Because the order of evaluation of subexpressions is undefined, two
get_bits() calls may not be part of the same expression.  In this
specific case, using get_bits_long() is simpler.

This fixes msmpeg4v1 decoding with armcc.

Originally committed as revision 24902 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24901 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24900 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24899 to svn://svn.ffmpeg.org/ffmpeg/trunk

dithering (faster) along a linear gradient now.

Originally committed as revision 24898 to svn://svn.ffmpeg.org/ffmpeg/trunk

Compilers may assume a pointer has natural alignment, even if it was
assigned from a pointer type with weaker alignment requirements.  It
is thus not safe to assign a possibly unaligned value to a pointer,
regardless of how it is subsequently dereferenced.

Originally committed as revision 24897 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 24896 to svn://svn.ffmpeg.org/ffmpeg/trunk