[Bug 778690] qtdemux: Possible bug on gst-1.11 gst_element_seek

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Feb 17 00:42:31 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=778690

--- Comment #23 from Jan Schmidt <thaytan at noraisin.net> ---
I think the problem with this stream is that qtdemux snaps the seek using the
earliest keyframe of all the streams, which ends up being time 0 because it
contains text subtitles.

The packets for those should probably be treated as all keyframes, or else
subtitle streams should be ignored entirely for the purposes of key-unit seeks.

I'm not sure why that's different to 1.8, but there were changes around how the
key-unit snapping is calculated in qtdemux so it's probably in there.

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