[FFmpeg-trac] #4119(undetermined:new): glitchy reading of lagarith 1.3.27 streams

FFmpeg trac at avcodec.org
Tue Nov 18 22:21:52 CET 2014

#4119: glitchy reading of lagarith 1.3.27 streams
             Reporter:  cracki       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  lagarith     |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug: appears to decode the wrong I-frames of most recent
 lagarith video. also produces black frames where there were none.
 generally glitchy. output completely blank when choosing -c:v libx264 for
 this input.

 How to reproduce:
 % ffmpeg -i lagarith-1.3.27-black-frames-and-off-by-ones.avi -an -c:v
 qtrle lagarith-1.3.27-black-frames-and-off-by-ones.mov

 ffmpeg version N-66352-g33c752b Copyright (c) 2000-2014 the FFmpeg
   built on Sep 19 2014 23:23:41 with gcc 4.9.1 (GCC)

Ticket URL: <https://trac.ffmpeg.org/ticket/4119>
FFmpeg <https://ffmpeg.org>
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