[FFmpeg-user] Closed Caption Stream

Dave Rice dave at dericed.com
Wed Jun 1 02:16:36 CEST 2016

> On May 31, 2016, at 4:01 PM, Celso Junior <celsojr2013 at gmail.com> wrote:
> Hello everyone!!!
> I'm doing some R&D about using ffmpeg in a transcoding script, and I got
> stuck in a serious problem.
> I must, let's say, transcode a video that has CEA708 Closed Caption embed
> on it, I tried to search the Web for some info on how to deal with it using
> ffmpeg, since it complains about the stream that contains about it's data...
>    Stream #0:9: Data: none
>    Metadata:
>      file_package_umid:
> 0x060A2B340101010501010D1213B165F558BC5F0403750583B992C8BCC8F4C0BF
>      file_package_name: Source Package
>      data_type       : vbi_vanc_smpte_436M
> Data stream encoding not supported yet (only streamcopy)
> I  tried to do -map 0:9 with -c:d copy and it just corrupts the file
> badly...
> Any thoughts 'bout how to solve it?

AFAIK s436m stream copying is not supported. Please see ticket 726, https://trac.ffmpeg.org/ticket/726.
Dave Rice

More information about the ffmpeg-user mailing list