[FFmpeg-trac] #7018(undetermined:closed): cc_dec decoder very slow at extracting CEA-708 closed captions from mpeg2ts file

FFmpeg trac at avcodec.org
Thu Aug 19 18:47:32 EEST 2021


#7018: cc_dec decoder very slow at extracting CEA-708 closed captions from mpeg2ts
file
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             Reporter:  devesh       |                    Owner:  (none)
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:  fixed
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Changes (by Balling):

 * resolution:  needs_more_info => fixed

Comment:

 My tests show that h264 decoders are now very very fast and do not decode
 main bitstream, only read T.35 SEI.
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Ticket URL: <https://trac.ffmpeg.org/ticket/7018#comment:4>
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