: Use FFmpeg to embed or extract 708 caption data from an MP4 file.
[Q] Support for CTA-608/708 captioning in SEI messages #2693
: You can hardcode subtitles onto an MP4 using MP4Box or similar command-line tools.
: You can add text bubbles that follow motion using Final Cut Pro X .
: Use FFmpeg to embed or extract 708 caption data from an MP4 file.
[Q] Support for CTA-608/708 captioning in SEI messages #2693
: You can hardcode subtitles onto an MP4 using MP4Box or similar command-line tools.
: You can add text bubbles that follow motion using Final Cut Pro X .
