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gst-plugins-rs/video/gtk4
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Sebastian Dröge 8aa5125d5b gtk4: Refactor and simplify GL context handling 
Create a single, global GDK GL context and the corresponding GStreamer
GL display and wrapped GStreamer GL context when initializing the first
sink and continue using that for all further sinks.

Additionally, don't create a full GStreamer GL context inside the sink
but only distribute the wrapped GL context in the pipeline so that
elements that actually need a full GL context can create one that is
sharing with that one. The sink itself does not need a full GStreamer GL
context.

Then inside the sink check that any GL memory that arrives was created
by a GL context that can share with the wrapped GDK GL context and only
then use it.

And lastly, use the correct GL contexts for a) creating a sync point and
b) actually waiting on it.

Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/318

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1099>
2023-02-21 21:36:45 +02:00
..
examples Return exit code from gio::Application::run() from main() 2023-01-27 18:50:01 +00:00
src gtk4: Refactor and simplify GL context handling 2023-02-21 21:36:45 +02:00
build.rs Add a GTK4 paintable sink plugin 2021-10-13 12:28:51 +03:00
Cargo.toml Update minimum supported Rust version to 1.66 2023-02-20 11:09:01 +02:00
LICENSE-MPL-2.0 Add a GTK4 paintable sink plugin 2021-10-13 12:28:51 +03:00
README.md video/gtk4: Implement support for GLTextures when possible. 2022-11-29 21:18:46 +02:00

README.md

Gtk 4 Sink & Paintable

GTK 4 provides gtk::Video & gtk::Picture for rendering media such as videos. As the default gtk::Video widget doesn't offer the possibility to use a custom gst::Pipeline. The plugin provides a gst_video::VideoSink along with a gdk::Paintable that's capable of rendering the sink's frames.

The Sink can generate GL Textures if the system is capable of it, but it needs to be compiled with either wayland, x11glx or x11egl cargo features.