This code looks clumsy, and an assert would probably be more welcome.

ceilf() can only work if the reminder of the division is not 0.

This fixes memory errors with for instance:
  ffmpeg -f lavfi -i testsrc=s=800x500 -threads 3 -vf dctdnoiz -frames:v 1 -f null -

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

Signed-off-by: Eejya Singh <singh.eejya@gmail.com>
Signed-off-by: Clément Bœsch <u@pkh.me>

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

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

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

Example to capture video clip at 1080i50 10 bit:
ffmpeg -bm_v210 1 -f decklink -i 'UltraStudio Mini Recorder@11' -acodec copy -vcodec copy output.avi
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

* cehoyos/master:
  Support decoding yuv dpx images.
  Do not use -mdynamic-no-pic on OSX x86_64.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

Also move EC ref initialization to where the EC code is called.
Fixes out of array read
Fixes: asan_heap-uaf_143f420_142_20110805_112659_ch0.mkv

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Fixes default compilation with icc.

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

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

* commit 'e352520e':
  oma: Report a timestamp
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '8029af58':
  dxva2_hevc: properly fill the scaling list structure

See: b1199459Merged-by: Michael Niedermayer <michaelni@gmx.at>

The width parameter is now completely at the back, and actually
never used. This helps understanding the actual parameter list.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

The copies are only needed when data must be restored, so skip them
when it must not be.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Fixes ticket #4296.

Reviewed-by: Peter Ross

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

Reported-By: jb@videolan.org
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Their intent was to make the DSP work with wmalossless pro.
The later was fixed to work with the DSP.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

It may contain garbage at the end, and zeroing allows using DSP
with longer loops.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The scaling list can be specified in either the SPS or PPS.
Additionally, compensate for the diagonal scan permutation applied
in the decoder.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

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

Found-by:wm4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Found-by: wm4
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Found-by: wm4
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Anshul Maheshwari <er.anshul.maheshwari@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Anshul Maheshwari <er.anshul.maheshwari@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Anshul Maheshwari <er.anshul.maheshwari@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9295d10e':
  fate: Add a test for AAC ELD480.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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