[FFmpeg-trac] #2108(undetermined:new): empty frame add the end of the video

[FFmpeg]

#2108: empty frame add the end of the video
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             Reporter:  ben          |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  h264         |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by cehoyos):

 Iirc, I tested the following:
 $ ffmpeg -i input out.wav
 (ffmpeg's output will tell you the duration, but the duration of a wav
 file is generally known.)
 I also tested the following iirc:
 $ ffmpeg -i input -acodec copy out.aac
 $ faad out.aac
 The duration of the resulting wav file was very similar to the duration of
 the wav file produced by FFmpeg.

 If you talk about video frames (it was not clear for me from your report),
 it is even simpler:
 The following command line tells you how many video frames a media files
 contains and outputs every single frame as png:
 $ ffmpeg -vsync 0 -i input out%3d.png

 Please allow me to repeat my question: Why do you believe the file is 2:85
 long?

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2108#comment:7>
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