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

[FFmpeg]

#726: support for copying SMPTE 436M caption tracks
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             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
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Comment (by helmboy):

 In terms of parsing the MXF demuxer should pass all the data after the DC
 to the codec which would handle the CDP and override the timestamps when
 the internal timecode is set.  The codec would be selected by the DID and
 SDID.  The ancillary header always uses the same field of 1, line of 9,
 wrapping of 1 and YUV coding of 4.

 I would write the code myself, but lack enough MXF source files to test it
 on.

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Ticket URL: <https://trac.ffmpeg.org/ticket/726#comment:9>
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