[FFmpeg-trac] #2352(avformat:new): LXF VBI data support

[FFmpeg]

#2352: LXF VBI data support
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             Reporter:  andrew       |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  minor        |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  lxf          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by andrew):

 I was going to use it to convert from an MPEG TS to LXF and vice-versa. It
 would only really be 708 captioning data, maybe even AFD data in the
 packets as well.

 Even if the VBI 708 captioning packets could be outputted to a captioning
 file separate from the video/audio would be beneficial. VLC can decode 708
 captioning from VBI data when in an MPEG TS so there is an open source
 implementation of VBI data decoding.

 I can provide some TS and LXF samples of video with VBI data if needed.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2352#comment:4>
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