[FFmpeg-trac] #2871(undetermined:new): jpeg2000: artefacts with 4:2:0 (and 4:2:2)

FFmpeg trac at avcodec.org
Fri Aug 16 12:16:36 CEST 2013


#2871: jpeg2000: artefacts with 4:2:0 (and 4:2:2)
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 it's probably the same bug, so I post 2 samples in the same ticket

 seems to work ok with forced -vcodec libopenjpeg

 4:2:0:

 http://www.datafilehost.com/d/b152402a

 4:2:2:

 http://www.datafilehost.com/d/9490fa34

 {{{
 C:\>ffmpeg -i 422_layers1.avi out.avi
 ffmpeg version N-55393-g3b2e99f Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Aug  8 2013 21:32:57 with gcc 4.7.3 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-av
 isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enab
 le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-
 libfreetyp
 e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
 --ena
 ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-l
 ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr
 --enable-libsp
 eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-
 libvo-
 amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-
 libxavs --
 enable-libxvid --enable-zlib
   libavutil      52. 41.100 / 52. 41.100
   libavcodec     55. 24.100 / 55. 24.100
   libavformat    55. 13.102 / 55. 13.102
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 82.100 /  3. 82.100
   libswscale      2.  4.100 /  2.  4.100
   libswresample   0. 17.103 /  0. 17.103
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, avi, from '422_layers1.avi':
   Duration: 00:00:24.80, start: 0.000000, bitrate: 3048 kb/s
     Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0)
 (MJ2C / 0x
 43324A4D), yuv422p, 352x244, 5 tbr, 5 tbn, 5 tbc
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.13.102
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x244,
 q=2-31, 200
  kb/s, 5 tbn, 5 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (jpeg2000 -> mpeg4)
 Press [q] to stop, [?] for help
 frame=  113 fps=0.0 q=16.7 size=     691kB time=00:00:22.60 bitrate=
 250.5kbits/
 frame=  124 fps=0.0 q=15.2 Lsize=     741kB time=00:00:24.80 bitrate=
 244.7kbits
 /s
 video:732kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 1.162327%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2871>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list