doxy: Add AVFrame to the structured modules
doxy: Document better the available AVFrame flags
mp3enc: add an option for disabling the Xing frame.
mp3enc: allow omitting the id3v2 header with -id3v2_version 0
avconv: print a warning when falling back to default 25fps
yuv4mpeg: set average frame rate
buffersrc: handle non-refcounted frames in av_buffersrc_add_frame() correctly
avisynth: fix setting packet properties

Reviewed-by: Stephen Hutchinson <qyot27@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Merge commit 'ff23c4e4935e96e62d8ff2212a1955a43add88e1'

* commit 'ff23c4e4935e96e62d8ff2212a1955a43add88e1':
  doxy: Add AVFrame to the structured modules

Conflicts:
	libavutil/frame.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '045654f422e74be8ed09a0819d39051d67633a09'

* commit '045654f422e74be8ed09a0819d39051d67633a09':
  doxy: Document better the available AVFrame flags

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'f9cc6883a4e5cf72cbfa21d17e1908a2a432f6bd'

* commit 'f9cc6883a4e5cf72cbfa21d17e1908a2a432f6bd':
  mp3enc: add an option for disabling the Xing frame.

Conflicts:
	doc/muxers.texi
	libavformat/mp3enc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '33018907bd07b34e0e70d5ae12097265eb3734d7'

* commit '33018907bd07b34e0e70d5ae12097265eb3734d7':
  mp3enc: allow omitting the id3v2 header with -id3v2_version 0

Conflicts:
	doc/muxers.texi
	libavformat/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '2ce8bca51f7264b47027f69d50dd8e49aa2fd683'

* commit '2ce8bca51f7264b47027f69d50dd8e49aa2fd683':
  avconv: print a warning when falling back to default 25fps

Conflicts:
	ffmpeg.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '5ef11b8dcc054b230deb9b20493255c14a80597d'

* commit '5ef11b8dcc054b230deb9b20493255c14a80597d':
  yuv4mpeg: set average frame rate

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '104a97beaffa6348e6fd2c2d07d67c1402322bb3'

* commit '104a97beaffa6348e6fd2c2d07d67c1402322bb3':
  buffersrc: handle non-refcounted frames in av_buffersrc_add_frame() correctly

Conflicts:
	libavfilter/buffersrc.c

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

* qatar/master:
  avisynth: fix setting packet properties

See: 4cb9c2013662b46e8101d6fdf6c69d41668c8b9a
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Fix libxvid crash on failing initialisation.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avformat/riff: fix demuxing of h264 INMC

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>
dnxhdenc: fix mb_rc size

Fixes out of array access with RC_VARIANCE set to 0

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/dnxhdenc: check that qmax is within the supported range

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