[FFmpeg-user] How to embed SCC closed caption file into a video file mov/mp4/mpg

Dave Rice dave at dericed.com
Thu Aug 13 01:08:14 CEST 2015

> On Aug 12, 2015, at 2:46 PM, Marcelo Boufleur <mboufleur at 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.
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