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Georges Basile Stavracas Neto a8a7ee6d83 glvideomixer: Add xalign and yalign properties 
With the addition of the 'keep-aspect-ratio' sizing policy, content
that doesn't fit the target size is downscaled according to its own
aspect ratio to fit that target size, and centered.

Centering might not always be the desired behaviour, however;
consumers of this API might want to align the resulting picture to
the left or to the right.

To account for any of these cases, add two new properties to the
glvideomixer pad: xalign, and yalign. They operate on normalized
coordinates (0.0 for start, 1.0 for end), and default to 0.5 which
centers content.

<https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3762>

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3762>
2023-01-27 16:21:28 +00:00
..
libs Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00
plugins glvideomixer: Add xalign and yalign properties 2023-01-27 16:21:28 +00:00
random Remove ChangeLog files from git repository 2022-12-04 18:16:25 +00:00
gst_api_version.in Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00
index.md Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00
meson.build docs: explicitly declare gir build dependencies 2023-01-06 22:50:57 +00:00
sitemap.txt Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00
version.in Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00