waylandsink: call gst_video_sink_center_rect with a destination rectangle that starts...

The intention of this code is to find the center rectangle relative
to (0,0), since subsurface coordinates are relative to the parent
surface.

The old code used to work but was wrong and broken by
http://cgit.freedesktop.org/gstreamer/gst-plugins-base/commit/gst-libs/gst/video/gstvideosink.c?id=ff57f6913456ec1991e55517cf1f239e80eeddef

diff --git a/ext/wayland/wlwindow.c b/ext/wayland/wlwindow.c
index a964335..79000ae 100644 (file)
--- a/ext/wayland/wlwindow.c
+++ b/ext/wayland/wlwindow.c
@@ -238,12 +238,15 @@ static void
 gst_wl_window_resize_video_surface (GstWlWindow * window, gboolean commit)
 {
   GstVideoRectangle src = { 0, };
+  GstVideoRectangle dst = { 0, };
   GstVideoRectangle res;
 
   /* center the video_subsurface inside area_subsurface */
   src.w = window->video_width;
   src.h = window->video_height;
-  gst_video_sink_center_rect (src, window->render_rectangle, &res, TRUE);
+  dst.w = window->render_rectangle.w;
+  dst.h = window->render_rectangle.h;
+  gst_video_sink_center_rect (src, dst, &res, TRUE);
 
   wl_subsurface_set_position (window->video_subsurface, res.x, res.y);
   wl_viewport_set_destination (window->video_viewport, res.w, res.h);