Fixes out of array read
Fixes: d4476f68ca1c1c57afbc45806f581963-asan_heap-oob_2266b27_8607_cov_4044577381_snow_chroma_bug.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This prevents emulated_edge_mc from not undoing mvy*stride-related
integer overflows.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes Ticket839
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

There is only about 4 lines of common code, so it alot cleaner
when seperated.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Snow is a toy codec with no real-world use and horrible code.

It was left over from the initial conversion.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes Ticket1635
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Mans Rullgard <mans@mansr.com>

Fixes ticket1082
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This allows making e.g. MPlayer's -vf uspp filter about 20% faster.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

This allows getting rid of a hack for conflicting symbol/define
names.
Signed-off-by: Martin Storsjö <martin@martin.st>

The way these values are used, they should have an unsigned type.
A similar change was made for mpegvideo in cb668476.
Signed-off-by: Mans Rullgard <mans@mansr.com>

The common non inlined code goes in snow.c, the common inlined code in
snow.h, tables move in snowdata.h (included only by snow.c)

Signed-off-by: Mans Rullgard <mans@mansr.com>

This moves the DWT functions from snow.c and dsputil.c to a file of
their own.  A new struct, DWTContext, holds the function pointers
previously part of DSPContext.

Originally committed as revision 22522 to svn://svn.ffmpeg.org/ffmpeg/trunk

w53_32_c() and w97_32_c() are defined as stubs when snow encoder is
disabled.  In this case, those functions are not referenced at all
and do thus not need to be defined.

Originally committed as revision 22448 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22265 to svn://svn.ffmpeg.org/ffmpeg/trunk

They are now always defined to either 0 or 1.

Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 15990 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 15928 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 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10220 to svn://svn.ffmpeg.org/ffmpeg/trunk

the old 32bit code)
disable mmx/sse2 optimizations as they need a rewrite now

Originally committed as revision 10218 to svn://svn.ffmpeg.org/ffmpeg/trunk

This allows some simplifications and optimizations and should
not have any effect on quality.

Originally committed as revision 10172 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10155 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 9461 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 7764 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 7256 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 7044 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 7043 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

Original thread:
Date: Aug 10, 2006 10:45 AM
Subject: [Ffmpeg-devel] [PATCH] fix compilation when Snow ENcoder is disabled

Originally committed as revision 6000 to svn://svn.ffmpeg.org/ffmpeg/trunk