[FFmpeg-trac] #7055(undetermined:new): Using decimate allows EIA-608 captions to pass through to MP4 files even when the -sn option is used

FFmpeg trac at avcodec.org
Sun Mar 4 19:45:26 EET 2018


#7055: Using decimate allows EIA-608 captions to pass through to MP4 files even
when the -sn option is used
-------------------------------------+-------------------------------------
             Reporter:  navilor      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  decimate cc  |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by navilor):

 Updated FFmpeg to version N-90173-gfa0c9d69d3 from Zerano's website.

 [https://ffmpeg.zeranoe.com/builds/]

 Track persists and plays in VLC.

 decimate:
 {{{
 ./zffmpeg.exe -i S01E01.vob -vf
 yadif,decimate,dejudder,crop=720:480:0:0,scale=720:480 -pix_fmt yuv420p
 -vsync 1 -sn -dn -map 0:1 -threads 0 -vcodec libx264 -r 23.976 -crf 23
 -acodec aac -map 0:2 -b:a:0:2 405504 -ac 2 -ar 48000 -af
 aresample=async=1:min_hard_comp=0.100000:first_pts=0 -preset veryfast
 -profile:v baseline -g 48 -tune film -x264opts no-scenecut -map_metadata
 -1 -f mp4 -y S01E01-decimate.mp4
 }}}

 pullup:
 {{{
 ./zffmpeg.exe -i S01E01.vob -vf
 pullup,dejudder,yadif=deint=1,crop=720:480:0:0,scale=720:480 -pix_fmt
 yuv420p -vsync 1 -sn -dn -map 0:1 -threads 0 -vcodec libx264 -r 23.976
 -crf 23 -acodec aac -map 0:2 -b:a:0:2 405504 -ac 2 -ar 48000 -af
 aresample=async=1:min_hard_comp=0.100000:first_pts=0 -preset veryfast
 -profile:v baseline -g 48 -tune film -x264opts no-scenecut -map_metadata
 -1 -f mp4 -y S01E01-pullup.mp4
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7055#comment:4>
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