[FFmpeg-devel] Captions SCC

[Soft Works]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> Devlist Archive
> Sent: Friday, February 7, 2025 9:50 PM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] Captions SCC
> 
> At some point we will need to separate the embed/extract conversation
> from
> the transcode conversation.  I have made a ticket over on Trac that
> covers
> the information for the transcode issue.  Let's focus on what needs
> to
> happen to be able to generate a valid CEA-608 .scc file and embed
> such a
> file to mp4 on this thread.  The EP12 folder on that drive link
> contains
> captions files generated by the content producer using CaptionsMaker.
> That
> captions maker .scc file behaves differently and fails to embed
> compared to
> the premiere produced one.

You have never successfully "embedded" an scc file as CEA-608.
I had told you that twice already. Marth64 has told you the same. 

That's not possible right now. Your commands are adding the scc
captions as mov_text (TTXT) subtitle stream, not as 608 CC.

sw