[Bug 705991] Adding support for DASH common encryption to qtdemux and dashdemux

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=705991
  GStreamer | gst-plugins-good | git

--- Comment #71 from A Ashley <bugzilla at ashley-family.net> 2014-08-08 09:50:26 UTC ---
Created an attachment (id=282891)
 View: https://bugzilla.gnome.org/attachment.cgi?id=282891
 Review: https://bugzilla.gnome.org/review?bug=705991&attachment=282891

add support for generating PSSI events from ContentProtection elements

This patch adds support for ContentProtection elements in the MPD.

If a ContentProtection element is present in an AdaptationSet element, send
PSSI events (using libgstcenc from gst-plugins-base) on the source pad, so that
qtdemux can use this information to correctly generate its source caps for DASH
CENC encrypted streams.

This allows qtdemux to support CENC encrypted DASH streams where the content
protection specific information is carried in the MPD file rather than in pssh
boxes in the initialisation segments.

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