Fixes out of array access with RC_VARIANCE set to 0
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Its said that there was a mpeg4 sample with the same fourcc, but noone has it
if someone finds it please tell me so i can fix detection of both.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* cehoyos/master:
  Fix libxvid crash on failing initialisation.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  avisynth: fix setting packet properties

See: 4cb9c201Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '104a97be':
  buffersrc: handle non-refcounted frames in av_buffersrc_add_frame() correctly

Conflicts:
	libavfilter/buffersrc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '5ef11b8d':
  yuv4mpeg: set average frame rate
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '2ce8bca5':
  avconv: print a warning when falling back to default 25fps

Conflicts:
	ffmpeg.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '33018907':
  mp3enc: allow omitting the id3v2 header with -id3v2_version 0

Conflicts:
	doc/muxers.texi
	libavformat/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'f9cc6883':
  mp3enc: add an option for disabling the Xing frame.

Conflicts:
	doc/muxers.texi
	libavformat/mp3enc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '045654f4':
  doxy: Document better the available AVFrame flags
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ff23c4e4':
  doxy: Add AVFrame to the structured modules

Conflicts:
	libavutil/frame.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Fixes ticket #3297.

* commit '87acd33c':
  aviocat: Add support for specifying the input duration
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '03f2de58':
  aviocat: Check the argv array length before reading element i+1
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Similar gains in performance as the SSSE3 version
Signed-off-by: James Almer <jamrial@gmail.com>

Reviewed-by: Stephen Hutchinson <qyot27@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Anton Khirnov <anton@khirnov.net>

This avoids the caller having to calculate the byte rate if wanting
to push a file in a rate resembling realtime.
Signed-off-by: Martin Storsjö <martin@martin.st>

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

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

fixes regression since 80d44190 and 1a0370ad
this reverts the buggy changes in these 2 commits
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

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

This adds only yuv420p10, others are trivial to add after this commit
and will be added in a subsequent commit.
Currently the implementation is not optimized, optimizations will be
added later
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

Sample timings on ped1080p.webm (of the ssse3 functions):
iadst_idct:  4672 -> 1175 cycles
idct_iadst:  4736 -> 1263 cycles
iadst_iadst: 4924 -> 1438 cycles
Total decoding time changed from 6.565s to 6.413s.

Also fix trac ticket #3296.
Signed-off-by: Georg Martius <martius@mis.mpg.de>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

In particular:
* set default value for accuracy to 15 (max)
* add zoomspeed for dynamic zoom (optzoom=2)
* make camera path optimization algorithm configurable
* update optzoom documenation in code to use new localmotions calculation function commandline arguments
* add debug option in vidstabtransform
Signed-off-by: Georg Martius <martius@mis.mpg.de>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

Players that conform to the specification can only playback such
files correctly on big-endian hardware.

Fixes ticket #3311.