[Bug 795424] qtdemux: Add MSE-style flush

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Sep 26 18:37:14 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=795424

--- Comment #36 from Alicia Boya García <aboya at igalia.com> ---
(In reply to Sebastian Dröge (slomo) from comment #34)
> Or rather, flush out mdat and moof related parts but not moov? I.e. sample
> tables, actual samples we currently might have, etc... and then afterwards
> you expect to start with a moof?

Exactly.

A typical use case is when an application is feeding pieces of a certain
fragment to qtdemux. At some point, the user seeks to a far away unbuffered
area; then the application does not want to bother downloading and feeding the
rest of the old fragment to qtdemux: as soon as it has downloaded a piece of
the new fragment it will just .abort() (i.e. tell the demuxer "I don't care
about that old fragment anymore") and feed the new fragment.

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