Fixes CID717493.

Fixes bogus uninitialized value compiler and coverity warnings.

Fixes CID732275.

The existing code is not in the right place and it should cover both
interlaced frame and field pictures.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

This is required due to the way VC-1 handles chroma pull-back which may end
up causing negative chroma MV for zero luma MV. Edge emulation needs to be
invoked in such cases.

This only affects vertical component of chroma motion vector.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

Interlaced field pictures can have one or two reference pictures, signaled
by NUMREF syntax element. For single reference pictures, reference picture
is determined by REFFIELD syntax element.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

Signed-off-by: Diego Biurrun <diego@biurrun.de>

GCC cannot proof that c->mc_frame_counter is always >- 0, changing the
type from int to unsigned fixes following warning:

libavcodec/a64multienc.c: In function ‘a64multi_encode_frame’:
libavcodec/a64multienc.c:342:17: warning: ‘buf’ may be used uninitialized in this function[-Wuninitialized]
Signed-off-by: Janne Grunau <janne-libav@jannau.net>

Assign NEON specific function pointers after runtime check via
av_get_cpu_flags().
Signed-off-by: Janne Grunau <janne-libav@jannau.net>

The error codes differ between systems so printing the value makes
the fate test fail on some systems.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This makes sure proper linker arguments are used for the tools and
test programs when shared libraries are enabled.  The tools are
linked using the usual -l flag while for test programs the full
name of the static library is used.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Fixes CID231347.

Fixes CID700725.

Fixes CID700730.

Does not make a difference in this case since sizeof(uint8_t*) ==
sizeof(uint8_t**). Fixes CID703814.

It has not worked for anything other than fringe codecs (asv1/2, mdec,
mjpeg[b]) since about 2003 and nobody ever noticed or complained. This
sufficiently proves that there are no users of this option who have a
clue of what they are doing, so it is completely useless.

Fixes CID732166.

Fixes CID732273.

Fixes CID732272.

Fixes CID732271.

Prevents writes to freed memory and the leak of the old extended data.
Fixes CID732303.

Make just a single reallocation per call instead of one reallocation
per copied chapters. This fixes possible memory leaks on realloc
failures. Also correct the allocation since it needs multiples of
sizeof(AVChapter*) and not sizeof(AVChapter).

Fixes CID700633 and CID700719.

Prevents memory leak and possible access to freed memory.
Fixes CID605744.

Prevents CID602000.

The test programs use internal symbols so cannot be linked against the
shared libs.  Linking against both shared and static is pointless and
might do something strange depending on the linker.  This changes the
dependencies so the test programs are linked only against the static
library for the component they belong to.
Signed-off-by: Mans Rullgard <mans@mansr.com>