[FFmpeg-trac] #7506(undetermined:new): EIA-608 Closed Captions distortion on the output.

FFmpeg trac at avcodec.org
Tue Nov 20 19:30:45 EET 2018


#7506: EIA-608 Closed Captions distortion on the output.
-------------------------------------+-------------------------------------
             Reporter:  w_boba       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
  EIA-608,a53cc, closed captions     |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by w_boba):

 This patch works, when FPS filter is not being applied. With the following
 command problem persists. See code blocks:

 {{{
 ffmpeg version N-92494-ge3a9630982 Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 7 (Ubuntu 7.3.0-27ubuntu1~18.04)
 }}}

 {{{
 ffmpeg -threads 0 -y -i sample-1min-ts.ts -c:a aac -c:v libx264 -filter:v
 yadif,fps=ntsc sample-1min-patched.mp4
 }}}

 {{{
 1
 00:00:01,234 --> 00:00:03,001
    So w we're m making B.C.C. h?

 2
 00:00:03,003 --> 00:00:04,769
         Yup, so yoyou just
        want a a nice layayer.

 3
 00:00:04,871 --> 00:00:06,137
        Thatat's gogood there..

 4
 00:00:06,239 --> 00:00:07,639
       Potatoeses are readydy.
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7506#comment:6>
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