[Bug 796106] Support alternate interlaced video
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Mon May 14 14:31:45 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=796106
--- Comment #2 from Zeeshan Ali (Khattak) <zeeshanak at gnome.org> ---
Created attachment 372016
--> https://bugzilla.gnome.org/attachment.cgi?id=372016&action=edit
video: Add GST_VIDEO_INTERLACE_MODE_ALTERNATE
Add a new interlace mode enum to represent buffers containing a single
field of an interlaced video in a buffer. The name is based on the
equivalent video format in the V4L2 API, V4L2_FIELD_ALTERNATE:
https://01.org/linuxgraphics/gfx-docs/drm/media/uapi/v4l/field-order.html
Since caps fields are optional, we also introduce a new caps feature,
"format:Interlaced" that always goes with "alternate" interlace mode to ensure
that caps for this incompatible format are incompatible with other interlaced
and progressive video caps.
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