videoconvert: Support for alternate-field interlacing
authorVivia Nikolaidou <vivia@ahiru.eu>
Tue, 2 Feb 2021 18:33:27 +0000 (20:33 +0200)
committerVivia Nikolaidou <vivia@ahiru.eu>
Thu, 4 Feb 2021 16:22:07 +0000 (18:22 +0200)
commitca4240bd035321820585eb88a6a96b3e22bd8dd5
tree64c0cd621156dd7d4f0e746bbdacc66964bc0eb6
parent0f866832b164283c1b10307c47977d1586e54132
videoconvert: Support for alternate-field interlacing

Treat the data just like normal data with half the height. Also treat it
as progressive when converting from/to I420 because it requires
different handling for chroma subsampling.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1027>
gst-libs/gst/video/video-converter.c
gst/videoconvert/gstvideoconvert.c