> On Aug 12, 2015, at 2:46 PM, Marcelo Boufleur <mboufl...@gmail.com> wrote: > >> >> IMHO the most common needed scenario for scc is to embed scc as >> CEA-708/608 data into mpeg2video (such as XDCam). If helpful I can provide >> a short XDCam sample without captions, a corresponding scc file, and the >> mux result of captions within xdam. > > > I believe MXF closed captions work similarly to Transport Stream CC > content: Closed Caption is separated from video, and is present in a > different track. > > I don't have a sample here, but according to this post > <https://ffmpeg.zeranoe.com/forum/viewtopic.php?t=2406>, CC appears as a > SMPTE 436M data track in MXF content.
Here’s a sample of MXF with a SMPTE 436M track: http://www.archive.org/download/xdcam_sample_with_caption_track/C0001.MXF Dave Rice > Aside from that, this page from Intel > <https://software.intel.com/en-us/blogs/2014/08/18/how-to-add-closed-caption-messages-in-avc-and-mpeg2-streams> > that describes a procedure, along with the code needed, to insert and > display CC for H.264 using SEI messages; or MPEG-2 with user data. > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user
