[FFmpeg-trac] #726(undetermined:open): support for copying SMPTE 436M caption tracks

[FFmpeg]

#726: support for copying SMPTE 436M caption tracks
-------------------------------------+-------------------------------------
             Reporter:  dericed      |                    Owner:
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:
              Version:  git-master   |  undetermined
             Keywords:  cc mxf       |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------

Comment (by da8eat):

 I explained last 8 bytes in the post by the link below
 http://mogurenko.com/2015/10/30/closed-captions-and-mxf/

 Replying to [comment:10 funman]:
 > (8) - ???
 >
 > For the attached sample the last 8 bytes are 0000 004c 0000 0001, for
 another sample I have it's 0000 0050 0000 0001
 > It could be some variation of the "ADF" Ancillary Data Flag which is
 0x000 0x3ff 0x3ff

--
Ticket URL: <https://trac.ffmpeg.org/ticket/726#comment:12>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker