[FFmpeg-devel] [FFmpeg-cvslog] Implement optimal huffman encoding for (M)JPEG.

[James Almer]

> ffmpeg | branch: master | Jerry Jiang <jerryjiang1128 at gmail.com> | Wed Feb  1 23:23:04 2017 -0800| [884506dfe2e29a5b2bd2905ca4f17e277e32acb1] | committer: Rostislav Pehlivanov
> 
> Implement optimal huffman encoding for (M)JPEG.
> 
> > seems to break
> > make fate-vsynth1-mjpeg-444
> 
> Fixed.
> 
> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=884506dfe2e29a5b2bd2905ca4f17e277e32acb1
> ---
> 
>  Changelog                                        |   1 +
>  doc/encoders.texi                                |  21 ++
>  libavcodec/Makefile                              |   8 +-
>  libavcodec/mjpegenc.c                            | 243 +++++++++++++++++------
>  libavcodec/mjpegenc.h                            |  68 ++++++-
>  libavcodec/mjpegenc_common.c                     | 166 +++++++++++++++-
>  libavcodec/mjpegenc_common.h                     |   2 +
>  libavcodec/mjpegenc_huffman.c                    | 195 ++++++++++++++++++
>  libavcodec/mjpegenc_huffman.h                    |  74 +++++++
>  libavcodec/mpegvideo.h                           |   1 +
>  libavcodec/mpegvideo_enc.c                       |  17 +-
>  libavcodec/tests/.gitignore                      |   1 +
>  libavcodec/tests/mjpegenc_huffman.c              | 163 +++++++++++++++
>  tests/fate/libavcodec.mak                        |   6 +
>  tests/fate/vcodec.mak                            |  12 +-
>  tests/ref/vsynth/vsynth1-mjpeg-huffman           |   4 +
>  tests/ref/vsynth/vsynth1-mjpeg-trell-huffman     |   4 +
>  tests/ref/vsynth/vsynth2-mjpeg-huffman           |   4 +
>  tests/ref/vsynth/vsynth2-mjpeg-trell-huffman     |   4 +
>  tests/ref/vsynth/vsynth3-mjpeg-huffman           |   4 +
>  tests/ref/vsynth/vsynth3-mjpeg-trell-huffman     |   4 +
>  tests/ref/vsynth/vsynth_lena-mjpeg-huffman       |   4 +
>  tests/ref/vsynth/vsynth_lena-mjpeg-trell-huffman |   4 +
>  23 files changed, 914 insertions(+), 96 deletions(-)
> 

This broke valgrind/gcc-asan

http://fate.ffmpeg.org/report.cgi?time=20170316170150&slot=x86_64-archlinux-gcc-asan