[Bug 797239] qtdemux: Crash when playing smooth-streaming
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Thu Oct 4 02:28:10 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=797239
Seungha Yang <pudding8757 at gmail.com> changed:
What |Removed |Added
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CC| |pudding8757 at gmail.com
--- Comment #4 from Seungha Yang <pudding8757 at gmail.com> ---
Created attachment 373841
--> https://bugzilla.gnome.org/attachment.cgi?id=373841&action=edit
qtdemux: Don't switch active streams and old streams ...
... before the old streams is not exposed yet for MSS stream.
In case of DASH, newly configured streams will be exposed
whenever demux got moov without delay.
Meanwhile, since there is no moov box in MSS stream,
the caps will act like moov. Then, there is delay for exposing new pads
until demux got the first moof.
So, following scenario is possible only for MSS but not for DASH,
STREAM-START -> CAPS -> (configure stream but NOT EXPOSED YET)
-> STREAM-START-> CAPS (configure stream again).
In above scenario, we can reuse old stream without any stream reconfigure.
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