8 commits

Author	SHA1	Message	Date
Niels De Graef	5bd3fcf726	cairo: Use G_DECLARE_FINAL_TYPE	2020-03-12 19:24:57 +01:00
Sebastian Dröge	a766dce53d	cairooverlay: Don't map input buffers if we just attach the overlay as meta ... https://bugzilla.gnome.org/show_bug.cgi?id=797091	2018-10-03 23:20:10 +03:00
Sebastian Dröge	10446bd371	cairooverlay: Add overlay as meta to the buffers if we can ... This requires that downstream supports it and draw-on-transparent-surface is enabled. https://bugzilla.gnome.org/show_bug.cgi?id=797091	2018-10-03 23:20:10 +03:00
Sebastian Dröge	9844bdbf7a	cairooverlay: Add property for drawing on a transparent surface and then blending ... This allows us to use the GstVideoOverlayComposition API and correctly handle pre-multiplied alpha, while also only doing the alpha conversion once instead of twice for the whole frame. At a later point we can attach the meta to the buffer instead of blending ourselves if downstream supports that. https://bugzilla.gnome.org/show_bug.cgi?id=797091	2018-10-03 23:20:10 +03:00
Tim-Philipp Müller	08702be68f	cairo: port cairooverlay to 0.11 ... The other elements are not that interesting now that we're using pangocairo in the pango plugin, and should probably just be removed.	2013-01-01 11:52:09 +00:00
Tim-Philipp Müller	230cf41cc9	Fix FSF address ... https://bugzilla.gnome.org/show_bug.cgi?id=687520	2012-11-04 00:07:18 +00:00
Sebastian Dröge	fdbdbfefd2	cairooverlay: Some minor cleanup	2011-03-02 23:14:36 +01:00
Jon Nordby	32dff9df75	cairooverlay: Add generic Cairo overlay video element. ... Allows applications to connect to the "draw" signal of the element and do their custom drawing there. Includes an example application demonstrating usage. Fixes: https://bugzilla.gnome.org/show_bug.cgi?id=595520	2011-03-02 22:55:52 +01:00