Hi Daniel, El mar., 19 nov. 2019 a las 13:44, Daniel Stone (<dan...@fooishbar.org>) escribió: > > Hi, > > On Tue, 19 Nov 2019 at 11:48, Guillermo Rodriguez > <guillerodriguez....@gmail.com> wrote: > > El mar., 19 nov. 2019 a las 11:47, Pekka Paalanen (<ppaala...@gmail.com>) > > escribió: > > > If the OSD is just a piece of a bigger application and only needs to be > > > on top of that application's windows, you could probably use xdg > > > extensions or a sub-surface to realize it. This does mean that the OSD > > > component must be in-process with the main app and share the same > > > wl_display instance. > > > > The OSD is conceptually part of the fullscreen application but due to > > several reasons it is implemented as a separate process with a CLI > > that controls the OSD contents and PiP function; the main application > > communicates with the OSD process by writing commands to the OSD > > process' stdin, and reading responses from the OSD process' stdout. > > > > There are several reasons for this approach, but the main one is that > > if there are any issues in the GStreamer side this should not crash > > the whole application. With the current approach, the main application > > can just respawn the OSD process if it dies. > > > > > I think this should be possible also with GStreamer. > > > > Not in the current implementation of the waylandsink plugin -- it > > always creates its own top level window > > (https://gstreamer.freedesktop.org/documentation/waylandsink/index.html?gi-language=c), > > and does not support drawing to an existing surface. But this could be > > patched if needed. > > It is completely possible, using the GstVideoOverlay API. See > gst-plugins-bad/tests/examples/waylandsink/main.c for an example of > providing your own wl_surface.
Nice. I assumed this was not possible as the documentation I linked explicitly states that the waylandsink creates its own window. This will definitely make my life easier :-) Thanks for the pointer, Guillermo Rodriguez _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/wayland-devel
