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

Fixes Ticket420

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

This is simpler and avoids an invalid shift by 32 in the
aligned case.

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

This bit manipulation is equivalent but avoids undefined
shifts and overflows.

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

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

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

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Anton Khirnov <anton@khirnov.net>

This avoids crashes due to reading out-of-bounds.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

Since it contains dimensions parsing an invalid one has rather
annoying effects.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

Signed-off-by: Anton Khirnov <anton@khirnov.net>

Signed-off-by: Anton Khirnov <anton@khirnov.net>

Signed-off-by: Anton Khirnov <anton@khirnov.net>

Signed-off-by: Anton Khirnov <anton@khirnov.net>

Fixes: vc1 file from Ticket606
Fixes: vc1+vc1+++artifacts*.vc1
Fixes: mpeg+vc1+++salxxos.evo

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

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

Fixes: vc1_error_spilt.avi of Ticket606

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

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

Fixes: avi+indeo3+++1-dog.avi

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

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

This patch also fix issue https://ffmpeg.org/trac/ffmpeg/ticket/685.

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

It makes more sense for a bit mask to use an unsigned type.
The change should be source and binary compatible on all
supported systems, hence micro version bump.

Fixes a few invalid shifts.

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

This is a hand-tuned version of the code with impossible parts of
the FASTDIV function ommitted.

2-5% faster overall on Cortex-A8.

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

This is required to fulfill avcodec_decode_video2() promise to return
the number of consumed bytes on success.

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

Signed-off-by: Alex Zhukov <zhukov.alex@gmail.com>
Reviewed-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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)

Fixes null pointer dereference / http://www.google-melange.com/gci/task/view/google/gci2011/7120335

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

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

Also check for sufficient packet size.

The 'function' macro already includes the appropriate
directives.

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

Fixes File1.aac and Bug 80.

avoids passing around the extra argument among all the macros it uses

This allows emulated_edge_mc_sse() and gmc_sse() to be used under
AV_CPU_FLAG_SSE.

The initial values are not checked against the number of block sizes.
Initializing them to frame_len_bits will result in a block size index of 0
in these cases instead of something that might be out-of-range.

Fixes Bug 81.

This fixes build errors in some environments.

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

This prevents build errors when compiler and assembler default
targets differ.  Ideally each file would declare the highest
level it requires.  This is however not easily possible as it
complicates assembling pre-armv6t2 code in Thumb-2 mode.

HAVE_NEON is used as indicator for ARMv7-A since no other
symbol exists for this and NEON is only available in this
variant.

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

Adding the thread count in frame level multithreading to has_b_frames
as an additional delay causes more problems than it solves.
For example inconsistent behaviour during timestamp calculation in
libavformat.
Thread count and frame level multithreading are both set by the user.
If the additional delay caused by frame level multithreading needs
to be considered in the calling code it has all information to take
it into account.
Should it become necessary to calculate a maximum delay inside
libavcodec it should be exported as its own field and not reusing
an existing field.

Based on a patch by Michael Niedermayer.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>

Some sample IFF ACBM files can be found here:

http://aminet.net/package/dev/basic/ABdemos

Thanks to Peter Ross for his help with this patch.

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

Fixes NGS00148

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

Fixes NGS00145

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