* commit '7c020e1a':
  movenc: Grow the frag_info array in chunks
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ab118976':
  movenc: Increase the cluster array allocation by doubling
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '3b4feac1':
  movenc: Keep track of the allocated size for the cluster array
  mem: Add av_realloc_array and av_reallocp_array

Conflicts:
	doc/APIchanges
	libavformat/movenc.c
	libavutil/mem.c
	libavutil/mem.h
	libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Fixes dithering from 32 to 24 bit
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

The filter was ported to a native libavfilter filter.

Allows users to actually use such option.
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>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Fixes Ticket2618
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes ticket #2630.

Reviewed-by: Marton Balint

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Needed for dithering S32
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Should make no difference, but future commits will need it
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Previously it was grown one element at a time, which leads to
excessive reallocations.

Bug-Id: 525
Signed-off-by: Martin Storsjö <martin@martin.st>

The previous allocation increment of 16384 meant that the cluster
array was allocated for 0.6 MB initially, which is a bit excessive
for cases with fragmentation where only a fraction of that ever
actually is used.

Therefore, start off at a much smaller value, and increase by
doubling (to avoid reallocating too often when writing long
non-fragmented mp4 files).

Bug-Id: 525
Signed-off-by: Martin Storsjö <martin@martin.st>

When writing fragmented mp4, the cluster array is reset when a
fragment is written. Instead of starting off reallocating the
array only based on the number of current elements in it, keep
track of how many elements there were allocated earlier.

This avoids reallocating this array needlessly when writing
fragmented mp4 files.

Bug-Id: 525
Signed-off-by: Martin Storsjö <martin@martin.st>

These help avoiding overflows and simplify error handling.
Signed-off-by: Martin Storsjö <martin@martin.st>

* lukaszmluki/master:
  ftp: fix using uninitialized value
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID732208
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fix coverity issue CID 1026777
Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>

Fixes CID732197/6

A assert is added to check that the disabled code wont
be needed in the future.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Closes #2634.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

* 'master' of https://github.com/upsuper/ffmpeg-vdadec:
  vda_h264_dec: remove check_format
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Fixes: CID1026742
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes: CID1026767
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

av_freep() is safer as it zeros the pointer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1026766
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1026765
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

See CID1026741
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1026764
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1026755
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes: CID1026772/3
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1026770
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>