[FFmpeg-trac] #4041(undetermined:new): Bad input frame rate estimation

[FFmpeg]

#4041: Bad input frame rate estimation
-------------------------------------+-------------------------------------
             Reporter:  qianliang    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by qianliang):

 First I do segment operation:
 {{{
 ffmpeg -i source.ts -map 0:v -f segment -segment_time 60
 source_video_%d.ts
 }}}
 And do convert oeration:
 {{{
 ffmpeg -i source_video_0.ts -vcodec libx264 -vb 1200k -maxrate 1800k
 -bufsize 3600k -r 20 -vprofile main -pix_fmt yuv420p -flags +loop+mv4 -cmp
 256 -partitions +parti4x4+partp8x8+partb8x8 -me_method hex -subq 7 -coder
 1 -trellis 1 -refs 4 -me_range 16 -sc_threshold 40 -i_qfactor 0.71 -qcomp
 0.6 -qmin 15 -qmax 45 -qdiff 4 -rc_eq 'blurCplx^(1-qComp)' -tune
 zerolatency -x264opts keyint=120:min-
 keyint=25:b-pyramid=0:weightp=0:interlaced=0:mixed-refs=1:8x8dct=1 -vsync
 0 -copyts input.ts
 }}}

 Here comes out the input.ts

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Ticket URL: <https://trac.ffmpeg.org/ticket/4041#comment:3>
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