[FFmpeg-trac] #4654(undetermined:new): jpeg2000: artefacts with losless 16bpp

[FFmpeg]

#4654: jpeg2000: artefacts with losless 16bpp
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 {{{
 C:\>ffmpeg -i lossless_16bpp.jp2 out.bmp
 ffmpeg version N-73036-g631d56f Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 4.5.0 (GCC) 20100414 (Fedora MinGW 4.5.0-1.fc14)
   configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
 --arch=
 x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
 -pc-min
 gw32-gcc' --enable-pthreads --enable-memalign-hack --enable-runtime-
 cpudetect --
 enable-cross-compile --enable-static --disable-shared --extra-
 libs='-lws2_32 -lw
 inmm -lpthread' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snapsh
 ots/build/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/sna
 pshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
 version3 --
 enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
 --enable-li
 bvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
 --enable-li
 bopencore-amrwb --enable-libmp3lame --enable-libfreetype --enable-libvpx
 --disab
 le-decoder=libvpx
   libavutil      54. 27.100 / 54. 27.100
   libavcodec     56. 42.100 / 56. 42.100
   libavformat    56. 37.100 / 56. 37.100
   libavdevice    56.  4.100 / 56.  4.100
   libavfilter     5. 17.100 /  5. 17.100
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  2.100 /  1.  2.100
   libpostproc    53.  3.100 / 53.  3.100
 [jpeg2000 @ 0x298f8e0] Progression order RPCL
 Input #0, j2k_pipe, from 'lossless_16bpp.jp2':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0),
 gray16le,
  999x749, 25 tbr, 25 tbn, 25 tbc
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf56.37.100
     Stream #0:0: Video: bmp, gray, 999x749, q=2-31, 200 kb/s, 25 fps, 25
 tbn, 25
  tbc
     Metadata:
       encoder         : Lavc56.42.100 bmp
 Stream mapping:
   Stream #0:0 -> #0:0 (jpeg2000 (native) -> bmp (native))
 Press [q] to stop, [?] for help
 [jpeg2000 @ 0x25dfc20] Progression order RPCL
 frame=    1 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
 video:732kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing o
 verhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4654>
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