[FFmpeg-trac] #5022(undetermined:new): spv1: artefacts while seeking in the file

[FFmpeg]

#5022: spv1: artefacts while seeking in the file
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 tested with ffplay

 no problem with "comp_7.avi" file (compression level 7)

 http://www.datafilehost.com/d/bf1fcadb

 {{{
 C:\>ffmpeg -i C:\comp_1.avi -f null -
 ffmpeg version N-76741-g8eadabf Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 5.2.0 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-av
 isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enab
 le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-
 libcaca --
 enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-l
 ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
 --enab
 le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
 librtmp --en
 able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
 --ena
 ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-
 amrwbenc
  --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
 --enabl
 e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
 libzimg --
 enable-lzma --enable-decklink --enable-zlib
   libavutil      55.  7.100 / 55.  7.100
   libavcodec     57. 15.100 / 57. 15.100
   libavformat    57. 16.100 / 57. 16.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6. 15.100 /  6. 15.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, avi, from 'C:\comp_1.avi':
   Duration: 00:00:00.42, start: 0.000000, bitrate: 16396 kb/s
     Stream #0:0: Video: screenpresso (SPV1 / 0x31565053), bgr24, 320x240,
 23.97
 fps, 23.97 tbr, 23.97 tbn, 23.97 tbc
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf57.16.100
     Stream #0:0: Video: wrapped_avframe, bgr24, 320x240, q=2-31, 200 kb/s,
 23.97
  fps, 23.97 tbn, 23.97 tbc
     Metadata:
       encoder         : Lavc57.15.100 wrapped_avframe
 Stream mapping:
   Stream #0:0 -> #0:0 (screenpresso (native) -> wrapped_avframe (native))
 Press [q] to stop, [?] for help
 [screenpresso @ 037f0860] Unknown header 0x1308
 [screenpresso @ 037f0860] Unknown header 0x1208
     Last message repeated 8 times
 frame=   10 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.41 bitrate=N/A
 video:4kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing ove
 rhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5022>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker