[FFmpeg-trac] #2725(undetermined:new): "Static" Video causes buffer underflows

FFmpeg trac at avcodec.org
Sat Jun 29 01:17:47 CEST 2013


#2725: "Static" Video causes buffer underflows
-------------------------------------+-------------------------------------
             Reporter:  jdachik01    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 A video containing static (replicating loss of video signal) causes ffmpeg
 to throw buffer underflow errors when transcoding to MPEG-2 (1080i).

 ffmpeg -i BVV.mpg -s 1920x1080 -top 1 -aspect 16:9 -threads 16 -vcodec
 mpeg2video -vb 10600k -minrate 10600k -maxrate 10600k -bufsize 4M -r 29.97
 -pix_fmt yuv420p -bf 2 -g 15 -y -acodec ac3 -dialnorm -24 -ar 48000 -ab
 192k -f mpegts BV_i.mpg

 ffmpeg version N-54233-g86190af

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2725>
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