Instead of having own code for calculating decoded buffer size
just use already provided functions from libavutil.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

As found by Justin, this is probably bug in reference decoder.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

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

Simplify code, and provide introspection through the AVOption system.

Also add missing NULL checks.

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

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

Protects against overreads in input buffer.
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>

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>

* qatar/master:
  h264: slice-mt: check master context for valid current_picture_ptr
  h264: slice-mt: get last_pic_dropable from master context
  alacenc: add support for multi-channel encoding

Conflicts:
	Changelog
	libavcodec/alac.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'b519298a':
  pixdesc: fix yuva 10bit bit depth
  avconv: deprecate the -vol option
  x86: af_volume: add SSE2/SSSE3/AVX-optimized s32 volume scaling
  x86: af_volume: add SSE2-optimized s16 volume scaling

Conflicts:
	ffmpeg.c
	tests/ref/lavfi/pixdesc
	tests/ref/lavfi/pixfmts_copy
	tests/ref/lavfi/pixfmts_null
	tests/ref/lavfi/pixfmts_scale
	tests/ref/lavfi/pixfmts_vflip
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This matches the naming style of the new af_volume_justin filter.

Note, Yes i would too prefer having one filter instead of 2.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'b384e031':
  lavfi: add volume filter

Conflicts:
	Changelog
	libavfilter/Makefile
	libavfilter/af_volume.c
	libavfilter/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

float.h is a system header.

Also update FATE test to use the dB form.

* commit '9d5c62ba':
  lavu/opt: do not filter out the initial sign character except for flags
  eval: treat dB as decibels instead of decibytes
  float_dsp: add vector_dmul_scalar() to multiply a vector of doubles

Conflicts:
	libavutil/eval.c
	tests/ref/fate/eval
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Fix warning.

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

Fixes errors in slice based multithreading introduced in 0b300daa.

Fixes fate-h264-conformance-cvnlfi2_sony_h and smllwebdl.mkv from
https://github.com/OpenELEC/OpenELEC.tv/issues/1557 .