window: deinhibit the screensaver on pause (fixes #3724)

include/vlc_vout_window.h

@@ -216,6 +216,8 @@ VLC_API vout_window_t * vout_window_New(vlc_object_t *, const char *module, cons
  */
 VLC_API void vout_window_Delete(vout_window_t *);
 
+void vout_window_SetInhibition(vout_window_t *window, bool enabled);
+
 static inline int vout_window_vaControl(vout_window_t *window, int query,
                                         va_list ap)
 {

src/video_output/video_output.c

@@ -1225,6 +1225,10 @@ static void ThreadChangePause(vout_thread_t *vout, bool is_paused, mtime_t date)
     }
     vout->p->pause.is_on = is_paused;
     vout->p->pause.date  = date;
+
+    vout_window_t *window = vout->p->window;
+    if (window != NULL)
+        vout_window_SetInhibition(window, !is_paused);
 }
 
 static void ThreadFlush(vout_thread_t *vout, bool below, mtime_t date)

src/video_output/window.c

@@ -82,7 +82,6 @@ vout_window_t *vout_window_New(vlc_object_t *obj, const char *module,
         w->inhibit = vlc_inhibit_Create(VLC_OBJECT (window));
         if (w->inhibit != NULL)
             vlc_inhibit_Set(w->inhibit, VLC_INHIBIT_VIDEO);
-            /* FIXME: ^ wait for vout activation, pause */
     }
     else
         w->inhibit = NULL;
@@ -113,6 +112,15 @@ void vout_window_Delete(vout_window_t *window)
     vlc_object_release(window);
 }
 
+void vout_window_SetInhibition(vout_window_t *window, bool enabled)
+{
+    window_t *w = (window_t *)window;
+    unsigned flags = enabled ? VLC_INHIBIT_VIDEO : VLC_INHIBIT_NONE;
+
+    if (w->inhibit != NULL)
+        vlc_inhibit_Set(w->inhibit, flags);
+}
+
 /* Video output display integration */
 #include <vlc_vout.h>
 #include <vlc_vout_display.h>