[Bug 794901] Closed Caption and Ancillary data support
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Mon Apr 2 14:51:07 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=794901
--- Comment #2 from Edward Hervey <bilboed at bilboed.com> ---
Created attachment 370441
--> https://bugzilla.gnome.org/attachment.cgi?id=370441&action=edit
video: Add support for VANC and Closed Caption
This commits add common elements for Ancillary Data and Closed
Caption support in GStreamer:
* A VBI (Video Blanking Interval) parser that supports detection
and extraction of Ancillary data according to the SMPTE S291M
specification. Currently supports the v210 and UYVY video
formats.
* A new GstMeta for Closed Caption : GstVideoCaptionMeta. This
supports the two types of CC : CEA-608 and CEA-708, along with
the 4 different ways they can be transported (other systems
are super-set of those).
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