[Matroska-devel] Feature request: Data stream support

Steve Lhomme slhomme at matroska.org
Sat Jan 2 09:10:56 CET 2016

Yes, at some point we're likely going to formalize how to embed
timecode tracks into Matroska.

2015-12-27 20:11 GMT+01:00 Kieran O Leary <kieran.o.leary at gmail.com>:
> Hello,
> Matroska does not currently support data tracks. From my experience working
> in a moving image archive, a lot of quicktime files from Final Cut Pro can
> end up with a timecode data track. I can't remember off the top of my head
> if AVID MC does this as well.
> The timecode always seems to exist as metadata in the actual AV streams so
> the information isn't lost when the data track doesn't exist. It would be
> nice if matroska supported it, though. It would be preferable to maintain
> all streams within the original file when migrating to the matroska
> container.
> If I'm converting a v210 quicktime with multiple audio tracks to ffv1.mkv
> with ffmpeg, I end up using `-map 0 -dn` (`-map 0:a -map 0:v` would also
> work, but an extra condition would have to be scripted if some embedded
> subtitles existed in some files).
> Best regards,
> Kieran O'Leary
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Steve Lhomme
Matroska association Chairman

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