[FFmpeg-trac] #845(avcodec:closed): Artefacts with Indeo 4

FFmpeg trac at avcodec.org
Fri Jun 27 11:55:14 CEST 2014


#845: Artefacts with Indeo 4
------------------------------------+-----------------------------------
             Reporter:  cehoyos     |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:  fixed
             Keywords:  indeo4      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by ami_stuff):

 Replying to [comment:9 cehoyos]:
 > I believe the remaining issues were fixed by Dirk Ausserhaus in 357168bc
 / 5ec6d152

 There is still something wrong - plese see attached files (out.avi is
 output from ffmpeg, vdub.avi from virtualdub).

 {{{
 C:\>ffmpeg -i Indeo4_Q_Best_Bidirection_Prediction.avi -an -vcodec
 msmpeg4v2 -b
 :v 1000k ffmpeg.avi
 ffmpeg version 2.2.git-b96c951 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Jun 27 2014 11:42:05 with gcc 4.6.2 (GCC)
   configuration: --disable-ffprobe --disable-pthreads --enable-gpl
   libavutil      52. 90.101 / 52. 90.101
   libavcodec     55. 68.100 / 55. 68.100
   libavformat    55. 44.100 / 55. 44.100
   libavdevice    55. 13.101 / 55. 13.101
   libavfilter     4.  9.100 /  4.  9.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
 [indeo4 @ 01e14e00] Warning: not compiled with thread support, using
 thread emul
 ation
 Input #0, avi, from 'Indeo4_Q_Best_Bidirection_Prediction.avi':
   Duration: 00:00:00.67, start: 0.000000, bitrate: 4659 kb/s
     Stream #0:0: Video: indeo4 (IV41 / 0x31345649), yuv410p, 352x288, 5064
 kb/s,
  15 fps, 15 tbr, 15 tbn, 15 tbc
 [msmpeg4v2 @ 01e0d460] Warning: not compiled with thread support, using
 thread e
 mulation
 [indeo4 @ 01e294e0] Warning: not compiled with thread support, using
 thread emul
 ation
 [avi @ 01e29a20] Using AVStream.codec.time_base as a timebase hint to the
 muxer
 is deprecated. Set AVStream.time_base instead.
 Output #0, avi, to 'ffmpeg.avi':
   Metadata:
     ISFT            : Lavf55.44.100
     Stream #0:0: Video: msmpeg4v2 (MP42 / 0x3234504D), yuv420p, 352x288,
 q=2-31,
  1000 kb/s, 15 fps, 15 tbn, 15 tbc
     Metadata:
       encoder         : Lavc55.68.100 msmpeg4v2
 Stream mapping:
   Stream #0:0 -> #0:0 (indeo4 (native) -> msmpeg4v2 (native))
 Press [q] to stop, [?] for help
 [msmpeg4v2 @ 01e0d460] warning, clipping 1 dct coefficients to -127..127
     Last message repeated 5 times
 [msmpeg4v2 @ 01e0d460] warning, clipping 2 dct coefficients to -127..127
 [msmpeg4v2 @ 01e0d460] warning, clipping 1 dct coefficients to -127..127
 frame=   10 fps=0.0 q=2.3 Lsize=     147kB time=00:00:00.66
 bitrate=1804.8kbits/
 s
 video:141kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing o
 verhead: 4.102383%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/845#comment:10>
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