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

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

This fixes a regression caused by changes to the buffer initialization code.
Fixes valgrind warnings

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.

Fixes CID747722
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

It will be useful in the upcoming transition to refcounted AVFrames.

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

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

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

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

This fixes the compiler error "cannot convert from 'BlockNode' to
'int16_t'".

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

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

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: Michael Niedermayer <michaelni@gmx.at>

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 ticket1083

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

The files are only compiled if the #ifdef conditions are met.

Also break some long lines, remove codec function placeholder comments
and add spaces in sample/pixel format lists.

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

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

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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 makes it more obvious that this function only does bitstream
encoding.

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>

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

Fixes Ticket839

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

The way these values are used, they should have an unsigned type.
A similar change was made for mpegvideo in cb66847.

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)

I am not sure these new values are correct, not am I sure
the semantics are a good idea since we do not seem to make any
use of them but they caused a lot of confusion, but this
seems to make things closer to matching the documentation.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

Fix segfault on emu edge, to reproduce

make fate-vsynth1-snow
avplay -flags emu_edge tests/data/vsynth1/snow.avi

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Fixes Ticket592

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

Deprecate CODEC_FLAG2_MEMC_ONLY

It's more readable and less prone to breakage.

This test program so full of programming errors it is impossible
to make sense of it.

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