[FFmpeg-trac] #6289(undetermined:new): h263: some L263 files decodes with wrong colors

FFmpeg trac at avcodec.org
Mon Apr 3 23:12:54 EEST 2017


#6289: h263: some L263 files decodes with wrong colors
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 for example this one (decodes ok with lead h263 codec):

 https://web.archive.org/web/20060206015400/http://www.leadcodecs.com/Download/h263/WhatBox_H263_720x480_Quality%20and%20size%20equaly%20Important.avi

 https://web.archive.org/web/20060206015400/http://www.leadcodecs.com/Download/H263-Videos.htm


 "-vf swapuv" fixes the problem

 {{{
 C:\>ffmpeg -i "C:\WhatBox_H263_720x480_Quality and size equaly
 Important.avi" out.avi
 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. 48.100 / 55. 48.100
   libavcodec     57. 83.100 / 57. 83.100
   libavformat    57. 66.104 / 57. 66.104
   libavdevice    57.  3.100 / 57.  3.100
   libavfilter     6. 76.100 /  6. 76.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 [avi @ 02383da0] non-interleaved AVI
 [h263 @ 0238d720] Warning: not compiled with thread support, using thread
 emulat
 ion
 [pcm_s16le @ 0238c4c0] Warning: not compiled with thread support, using
 thread e
 mulation
 Guessed Channel Layout for Input Stream #0.1 : stereo
 Input #0, avi, from 'C:\WhatBox_H263_720x480_Quality and size equaly
 Important.a
 vi':
   Duration: 00:00:39.17, start: 0.000000, bitrate: 3208 kb/s
     Stream #0:0: Video: h263 (L263 / 0x3336324C), yuv420p, 720x480 [SAR
 12:11 DA
 R 18:11], 1643 kb/s, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc
     Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s16
 , 1536 kb/s
 [h263 @ 02770020] Warning: not compiled with thread support, using thread
 emulat
 ion
 [pcm_s16le @ 02771800] Warning: not compiled with thread support, using
 thread e
 mulation
 Stream mapping:
   Stream #0:0 -> #0:0 (h263 (native) -> mpeg4 (native))
   Stream #0:1 -> #0:1 (pcm_s16le (native) -> ac3 (native))
 Press [q] to stop, [?] for help
 [mpeg4 @ 027729c0] Warning: not compiled with thread support, using thread
 emula
 tion
 [ac3 @ 0271ccc0] Warning: not compiled with thread support, using thread
 emulati
 on
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf57.66.104
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p(progressive),
 720x480
  [SAR 12:11 DAR 18:11], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
     Metadata:
       encoder         : Lavc57.83.100 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), 48000 Hz, stereo, fltp,
 192 k
 b/s
     Metadata:
       encoder         : Lavc57.83.100 ac3
 frame=   32 fps=0.0 q=22.6 size=     124kB time=00:00:01.10 bitrate=
 921.2kbits/
 frame=  197 fps=0.0 q=31.0 size=     482kB time=00:00:06.60 bitrate=
 597.9kbits/
 frame=  372 fps=248 q=31.0 size=     855kB time=00:00:12.44 bitrate=
 563.0kbits/
 frame=  536 fps=268 q=31.0 size=    1280kB time=00:00:17.91 bitrate=
 585.3kbits/
 frame=  699 fps=280 q=31.0 size=    1681kB time=00:00:23.39 bitrate=
 588.8kbits/
 frame=  864 fps=288 q=31.0 size=    2093kB time=00:00:28.89 bitrate=
 593.3kbits/
 frame= 1034 fps=295 q=31.0 size=    2507kB time=00:00:34.56 bitrate=
 594.1kbits/
 frame= 1172 fps=302 q=31.0 Lsize=    2821kB time=00:00:39.17 bitrate=
 589.9kbits
 /s speed=10.1x
 video:1837kB audio:917kB subtitle:0kB other streams:0kB global headers:0kB
 muxin
 g overhead: 2.413010%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6289>
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