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3 commits

Author SHA1 Message Date
Mark Nauwelaerts
c93eda31d9 video: fix some GIR annotations 
Mostly related to out and array parameters
 2018-04-23 19:33:19 +02:00
Edward Hervey
4d40ac3fc5 video: Don't corrupt caption GstMeta 
the meta initialization function is provided *after* the base implementation
fields have been set so do *NOT* reset them otherwise it would result
in corrupted GstMeta.

Instead explicitely set our fields to the default values we actually want.
 2018-04-16 17:04:06 +02:00
Edward Hervey
9dceb6ca52 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).

https://bugzilla.gnome.org/show_bug.cgi?id=794901
 2018-04-09 15:15:24 +02:00