[Bug 797321] qtmux: Add option to create a timecode trak in non-mov flavors

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Mon Oct 22 14:18:03 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=797321

--- Comment #4 from Vivia Nikolaidou <vivia at ahiru.eu> ---
(In reply to Sebastian Dröge (slomo) from comment #2)
> Comment on attachment 374001 [details] [review]
> qtmux: Add option to create a timecode trak in non-mov flavors
> 
> Seems fine to me but we should probably also research first if there's a
> standard for doing timecodes in MP4. If that exists we would conflict with
> that one here then.

You're right. The link in the commit message says:

The timecode track in an MP4 file uses the constructs defined in the QuickTime
File Format, with some minor modifications.

    The text formatting information to display the timecode is dropped.

    The Null Media Header box (nmhd) box is used instead of the Generic Media
Header box (gmhd).

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