[FFmpeg-trac] #6342(undetermined:new): fix decoding mscc/srgc

FFmpeg trac at avcodec.org
Sat Apr 22 14:09:34 EEST 2017


#6342: fix decoding mscc/srgc
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 8bpp seems to encode with wrong colors, other files decodes correctly with
 the binary codec

 https://files.fm/u/yvwet4um

 {{{
 aaa at aaa-VirtualBox /media/sdb1 $ ffmpeg/ffmpeg -i
 '/media/sdb1/f/avi/srgc_24bpp.avi'  '/media/sdb1/f/avi/out.avi'
 ffmpeg version 3.3.git Copyright (c) 2000-2017 the FFmpeg developers
   built with gcc 5.3.0 (Ubuntu 5.3.0-3ubuntu1~14.04) 20151204
   configuration: --disable-ffprobe --disable-ffserver --enable-gpl
   libavutil      55. 61.100 / 55. 61.100
   libavcodec     57. 93.100 / 57. 93.100
   libavformat    57. 72.101 / 57. 72.101
   libavdevice    57.  7.100 / 57.  7.100
   libavfilter     6. 85.100 /  6. 85.100
   libswscale      4.  7.101 /  4.  7.101
   libswresample   2.  8.100 /  2.  8.100
   libpostproc    54.  6.100 / 54.  6.100
 Guessed Channel Layout for Input Stream #0.1 : mono
 Input #0, avi, from '/media/sdb1/f/avi/srgc_24bpp.avi':
   Duration: 00:00:03.20, start: 0.000000, bitrate: 2531 kb/s
     Stream #0:0: Video: srgc (srgc / 0x63677273), bgr24, 480x480, 10 fps,
 10 tbr, 10 tbn, 10 tbc
     Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, mono,
 s16, 352 kb/s
 File '/media/sdb1/f/avi/out.avi' already exists. Overwrite ? [y/N] y
 Stream mapping:
   Stream #0:0 -> #0:0 (srgc (native) -> mpeg4 (native))
   Stream #0:1 -> #0:1 (pcm_s16le (native) -> ac3 (native))
 Press [q] to stop, [?] for help
 Output #0, avi, to '/media/sdb1/f/avi/out.avi':
   Metadata:
     ISFT            : Lavf57.72.101
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 480x480,
 q=2-31, 200 kb/s, 10 fps, 10 tbn, 10 tbc
     Metadata:
       encoder         : Lavc57.93.100 mpeg4
     Side data:
       cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
     Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 22050 Hz, mono, fltp,
 96 kb/s
     Metadata:
       encoder         : Lavc57.93.100 ac3
 Error while decoding stream #0:0: Invalid data found when processing input
     Last message repeated 2 times
 frame=   29 fps=0.0 q=31.0 Lsize=     594kB time=00:00:03.20
 bitrate=1517.6kbits/s speed=  23x
 video:545kB audio:38kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 1.979864%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6342>
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