[FFmpeg-trac] #2051(undetermined:new): Video merging sinking issue

[FFmpeg]

#2051: Video merging sinking issue
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             Reporter:  elbysam      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
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Comment (by elbysam):

 Hi all,
 We are trying to merge couple of videos.
 Using code { ffmpeg -i input1.flv -qscale:v 1 -y output1.mpg }

 { ffmpeg -i input2.flv -qscale:v 1 -y output2.mpg }

 for join videos using

 { cat output1.mpg output2.mpg > indeterminate_all.mpg  }

 We got complete output using following code

 { ffmpeg -i indeterminate_all.mpg -qscale:v 2 completeoutput.avi }


 then an issue occurred in audio / Video Sinking. ie the lips sink is not
 correct.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2051#comment:2>
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