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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 |
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