[FFmpeg-trac] #6195(undetermined:new): qdrw: fix decoding of 8bpp sample

FFmpeg trac at avcodec.org
Mon Feb 27 13:52:15 EET 2017


#6195: qdrw: fix decoding of 8bpp sample
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 decodes ok with photoshop/quicktime/imagemagick

 https://samples.ffmpeg.org/image-samples/tess19.pct

 {{{
 C:\>ffmpeg -i C:\tess19.pct out.bmp
 ffmpeg version 3.2.git Copyright (c) 2000-2017 the FFmpeg developers
   built with gcc 4.6.2 (GCC)
   configuration: --disable-pthreads --disable-ffprobe --enable-gpl
   libavutil      55. 47.100 / 55. 47.100
   libavcodec     57. 81.100 / 57. 81.100
   libavformat    57. 66.102 / 57. 66.102
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 74.100 /  6. 74.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 [qdraw @ 0237d8a0] Warning: not compiled with thread support, using thread
 emula
 tion
 [qdraw @ 0237d8a0] Palette index out of range: 2048
     Last message repeated 255 times
 Input #0, qdraw_pipe, from 'C:\tess19.pct':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: qdraw, pal8, 574x419, 25 tbr, 25 tbn, 25 tbc
 File 'out.bmp' already exists. Overwrite ? [y/N] y
 [qdraw @ 02750400] Warning: not compiled with thread support, using thread
 emula
 tion
 [bmp @ 02376c40] Warning: not compiled with thread support, using thread
 emulati
 on
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf57.66.102
     Stream #0:0: Video: bmp, pal8, 574x419, q=2-31, 200 kb/s, 25 fps, 25
 tbn, 25
  tbc
     Metadata:
       encoder         : Lavc57.81.100 bmp
 Stream mapping:
   Stream #0:0 -> #0:0 (qdraw (native) -> bmp (native))
 Press [q] to stop, [?] for help
 [qdraw @ 02750400] Palette index out of range: 2048
     Last message repeated 255 times
 frame=    1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
 speed=0.256x

 video:237kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing o
 verhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6195>
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