[FFmpeg-trac] #5847(undetermined:new): Duration estimate and bitrate calculation wrong when file is over 4Gb

FFmpeg trac at avcodec.org
Sun Sep 18 06:27:42 EEST 2016


#5847: Duration estimate and bitrate calculation wrong when file is over 4Gb
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             Reporter:  petere       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  mpegps       |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by petere):

 When ffmpeg encodes a single large vob file it is fine but if I take
 VTS_01_1.vob and combine it with VTS_01_2.vob, VTS_01_3.vob, VTS_01_4.vob
 and VTS_01_5.vob using a file concatenation outside of ffmpeg then use
 ffmpeg to try to read the duration it is wrong.  If I call ffmpeg -i on
 any of the vobs separately the duration and bitrate is correct.  It seems
 to only be an issue when using several vobs combined together.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5847#comment:2>
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