hevc: add partial support for interlaced(cherry picked from commit 44b592ae6d323445c076ef3ec966ebf9daa8bccf)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/cabac: support UNCHECKED_BITSTREAM_READER = 0

Fixes overreads in HEVC
Fixes Ticket3070
Also fixed remaining issues from Ticket3075 and Ticket3076

Some lines of code taken from  0c5f839693da2276c2da23400f67a67be4ea0af1:libavcodec/x86/cabac.h
and                            0c5f839693da2276c2da23400f67a67be4ea0af1:libavcodec/cabac_functions.h

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavfilter/decimate: Add pts of first frame to all frames.

Fixes ticket #3019

Reviewed-by: Clément Bœsch
build: Ensure that strip commands are run silently
avfilter: x86: K&R formatting cosmetics
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  build: Ensure that strip commands are run silently

Conflicts:
	Makefile

Not merged as it conflicts with strip being on the BRIEF list

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  libavfilter/decimate: Add pts of first frame to all frames.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
doc/filters: add few more examples for blend filter

Signed-off-by: Paul B Mahol <onemda@gmail.com>
gradfun: x86: Factor out common code for some gradfun_filter_line() variants
HNM4/HNM4A demuxer & video decoder

Signed-off-by: Diego Biurrun <diego@biurrun.de>
avs: stop using deprecated avcodec_set_dimensions
cdxl: stop using deprecated avcodec_set_dimensions
h264: wait for initial complete frame before outputing frames

This can be optionally disabled whith the "output_corrupt" flags
option.  When in "output_corrupt" mode, incomplete frames are
signalled through AVFrame.flags FRAME_FLAG_INCOMPLETE_FRAME.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
lavc: replace avcodec_set_dimensions with ff_set_dimensions

avcodec_set_dimensions() is supposed to be an internal utility function,
there is no reason whatsoever for it to be public. Therefore deprecate
it.
oggparsetheora: stop using deprecated avcodec_set_dimensions
lavc/utils: stop using deprecated avcodec_set_dimensions
ansi: stop using deprecated avcodec_set_dimensions
dpx: stop using deprecated avcodec_set_dimensions
eamad: stop using deprecated avcodec_set_dimensions
indeo3: stop using deprecated avcodec_set_dimensions