[FFmpeg-trac] #4768(undetermined:new): FFmpeg preserving CFR during TS to MP4 conversion

[FFmpeg]

#4768: FFmpeg preserving CFR during TS to MP4 conversion
-------------------------------------+-------------------------------------
             Reporter:  zer0z        |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  dts          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by Zenitram):

 Replying to [comment:10 cehoyos]:
 > Does the input option {{{-r 24000/1001}}} help?

 It is.
 Test with a 23.976 TS file:

 ffmpeg -i test.ts -c copy test.mp4

 dump of stts:
 {{{
 009B8EC6      Time to Sample (656 bytes)
 009B8EC6       Header (8 bytes)
 009B8EC6        Size:                               656 (0x00000290)
 009B8ECA        Name:                               stts
 009B8ECE       Version:                             0 (0x00)
 009B8ECF       Flags:                               0 (0x000000)
 009B8ED2       Number of entries:                   80 (0x00000050)
 009B8ED6       Sample Count:                        2 (0x00000002)
 009B8EDA       Sample Duration:                     3754 (0x00000EAA)
 009B8EDE       Sample Count:                        1 (0x00000001)
 009B8EE2       Sample Duration:                     3753 (0x00000EA9)
 009B8EE6       Sample Count:                        3 (0x00000003)
 009B8EEA       Sample Duration:                     3754 (0x00000EAA)
 009B8EEE       Sample Count:                        1 (0x00000001)
 ...
 }}}

 ffmpeg -i test.ts -c copy -r 24000/1001 test.mp4
 {{{
 009B8EC6      Time to Sample (24 bytes)
 009B8EC6       Header (8 bytes)
 009B8EC6        Size:                               24 (0x00000018)
 009B8ECA        Name:                               stts
 009B8ECE       Version:                             0 (0x00)
 009B8ECF       Flags:                               0 (0x000000)
 009B8ED2       Number of entries:                   1 (0x00000001)
 009B8ED6       Sample Count:                        159 (0x0000009F)
 009B8EDA       Sample Duration:                     1001 (0x000003E9)
 }}}

 I guess the OP has a workaround (it is not detected and set automaticly by
 FFmpeg, but he can force FFmpeg to do it) for doing what he wants to do.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4768#comment:11>
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