[FFmpeg-trac] #1937(undetermined:open): cdxl: wrong duration

[FFmpeg]

#1937: cdxl: wrong duration
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             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  cdxl         |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
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Comment (by cehoyos):

 Replying to [comment:2 ami_stuff]:
 > the correct duration shoud be calculated like this:
 >
 > int64_t filesize = avio_size(s->pb);
 >
 > st->duration = (filesize /* - audiotrack_size */ ) / video_size /
 calculated_fps;

 If "video_size" and "calculated_fps" are known, wouldn't it be much easier
 to set the bitrate?

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1937#comment:3>
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