plugins: add support for Wayland.

gst-libs/gst/vaapi/gstvaapidisplay.c

@@ -95,6 +95,10 @@ gst_vaapi_display_type_get_type(void)
 #if USE_GLX
         { GST_VAAPI_DISPLAY_TYPE_GLX,
           "VA/GLX display", "glx" },
+#endif
+#if USE_WAYLAND
+        { GST_VAAPI_DISPLAY_TYPE_WAYLAND,
+          "VA/Wayland display", "wayland" },
 #endif
         { 0, NULL, NULL },
     };

gst-libs/gst/vaapi/gstvaapidisplay.h

@@ -65,11 +65,13 @@ typedef struct _GstVaapiDisplayClass            GstVaapiDisplayClass;
  * @GST_VAAPI_DISPLAY_TYPE_ANY: Automatic detection of the display type.
  * @GST_VAAPI_DISPLAY_TYPE_X11: VA/X11 display.
  * @GST_VAAPI_DISPLAY_TYPE_GLX: VA/GLX display.
+ * @GST_VAAPI_DISPLAY_TYPE_WAYLAND: VA/Wayland display.
  */
 enum _GstVaapiDisplayType {
     GST_VAAPI_DISPLAY_TYPE_ANY = 0,
     GST_VAAPI_DISPLAY_TYPE_X11,
     GST_VAAPI_DISPLAY_TYPE_GLX,
+    GST_VAAPI_DISPLAY_TYPE_WAYLAND,
 };
 
 #define GST_VAAPI_TYPE_DISPLAY_TYPE \

gst/vaapi/Makefile.am

@@ -19,6 +19,11 @@ libgstvaapi_LIBS += \
 	$(top_builddir)/gst-libs/gst/vaapi/libgstvaapi-glx-$(GST_MAJORMINOR).la
 endif
 
+if USE_WAYLAND
+libgstvaapi_LIBS += \
+	$(top_builddir)/gst-libs/gst/vaapi/libgstvaapi-wayland-$(GST_MAJORMINOR).la
+endif
+
 libgstvaapi_la_SOURCES =	\
 	gstvaapi.c		\
 	gstvaapidecode.c	\

gst/vaapi/gstvaapipluginutil.c

@@ -32,12 +32,19 @@
 #if USE_GLX
 # include <gst/vaapi/gstvaapidisplay_glx.h>
 #endif
+#if USE_WAYLAND
+# include <gst/vaapi/gstvaapidisplay_wayland.h>
+#endif
 #include "gstvaapipluginutil.h"
 
 /* Preferred first */
 static const char *display_types[] = {
     "gst-vaapi-display",
     "vaapi-display",
+#if USE_WAYLAND
+    "wl-display",
+    "wl-display-name",
+#endif
     "x11-display",
     "x11-display-name",
     NULL
@@ -50,6 +57,11 @@ typedef struct {
 } DisplayMap;
 
 static const DisplayMap g_display_map[] = {
+#if USE_WAYLAND
+    { "wayland",
+      GST_VAAPI_DISPLAY_TYPE_WAYLAND,
+      gst_vaapi_display_wayland_new },
+#endif
 #if USE_GLX
     { "glx",
       GST_VAAPI_DISPLAY_TYPE_GLX,
@@ -126,7 +138,15 @@ gst_vaapi_set_display(
 {
     GstVaapiDisplay *dpy = NULL;
 
-    if (!strcmp(type, "x11-display-name")) {
+    if (!strcmp(type, "vaapi-display")) {
+        g_return_if_fail(G_VALUE_HOLDS_POINTER(value));
+        dpy = gst_vaapi_display_new_with_display(g_value_get_pointer(value));
+    }
+    else if (!strcmp(type, "gst-vaapi-display")) {
+        g_return_if_fail(G_VALUE_HOLDS_OBJECT(value));
+        dpy = g_value_dup_object(value);
+    }
+    else if (!strcmp(type, "x11-display-name")) {
         g_return_if_fail(G_VALUE_HOLDS_STRING(value));
 #if USE_GLX
         dpy = gst_vaapi_display_glx_new(g_value_get_string(value));
@@ -142,14 +162,20 @@ gst_vaapi_set_display(
         if (!dpy)
             dpy = gst_vaapi_display_x11_new_with_display(g_value_get_pointer(value));
     }
-    else if (!strcmp(type, "vaapi-display")) {
+#if USE_WAYLAND
+    else if (!strcmp(type, "wl-display")) {
+        struct wl_display *wl_display;
         g_return_if_fail(G_VALUE_HOLDS_POINTER(value));
-        dpy = gst_vaapi_display_new_with_display(g_value_get_pointer(value));
+        wl_display = g_value_get_pointer(value);
+        dpy = gst_vaapi_display_wayland_new_with_display(wl_display);
     }
-    else if (!strcmp(type, "gst-vaapi-display")) {
+    else if (!strcmp(type, "wl-display-name")) {
-        g_return_if_fail(G_VALUE_HOLDS_OBJECT(value));
+        const gchar *display_name;
-        dpy = g_value_dup_object(value);
+        g_return_if_fail(G_VALUE_HOLDS_STRING(value));
+        display_name = g_value_get_string(value);
+        dpy = gst_vaapi_display_wayland_new(display_name);
     }
+#endif
 
     if (dpy) {
         if (*display)
@@ -206,6 +232,19 @@ gst_vaapi_reply_to_query(GstQuery *query, GstVaapiDisplay *display)
                     res = FALSE;
                 break;
             }
+#if USE_WAYLAND
+            case GST_VAAPI_DISPLAY_TYPE_WAYLAND: {
+                GstVaapiDisplayWayland * const wlvadpy =
+                    GST_VAAPI_DISPLAY_WAYLAND(display);
+                struct wl_display * const wldpy =
+                    gst_vaapi_display_wayland_get_display(wlvadpy);
+                if (!strcmp(type, "wl-display"))
+                    gst_video_context_query_set_pointer(query, type, wldpy);
+                else
+                    res = FALSE;
+                break;
+            }
+#endif
             default:
                 res = FALSE;
                 break;

gst/vaapi/gstvaapisink.c

@@ -41,6 +41,10 @@
 # include <gst/vaapi/gstvaapidisplay_glx.h>
 # include <gst/vaapi/gstvaapiwindow_glx.h>
 #endif
+#if USE_WAYLAND
+# include <gst/vaapi/gstvaapidisplay_wayland.h>
+# include <gst/vaapi/gstvaapiwindow_wayland.h>
+#endif
 
 /* Supported interfaces */
 #include <gst/interfaces/xoverlay.h>
@@ -354,20 +358,27 @@ gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
 #if USE_GLX
         case GST_VAAPI_DISPLAY_TYPE_GLX:
             sink->window = gst_vaapi_window_glx_new(display, width, height);
-            break;
+            goto notify_xoverlay_interface;
 #endif
         case GST_VAAPI_DISPLAY_TYPE_X11:
             sink->window = gst_vaapi_window_x11_new(display, width, height);
+        notify_xoverlay_interface:
+            if (!sink->window)
                 break;
-        default:
-            GST_ERROR("unsupported display type %d", sink->display_type);
-            return FALSE;
-        }
-        if (sink->window)
             gst_x_overlay_got_window_handle(
                 GST_X_OVERLAY(sink),
                 gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window))
             );
+            break;
+#if USE_WAYLAND
+        case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
+            sink->window = gst_vaapi_window_wayland_new(display, width, height);
+            break;
+#endif
+        default:
+            GST_ERROR("unsupported display type %d", sink->display_type);
+            return FALSE;
+        }
     }
     return sink->window != NULL;
 }
@@ -458,6 +469,16 @@ gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
     sink->video_width  = video_width;
     sink->video_height = video_height;
 
+#if USE_WAYLAND
+    /* XXX: fix GstVaapiDisplayWayland::get_size() */
+    if (sink->display_type == GST_VAAPI_DISPLAY_TYPE_WAYLAND) {
+        sink->window_width  = video_width;
+        sink->window_height = video_height;
+        return gst_vaapisink_ensure_window(sink,
+            sink->window_width, sink->window_height);
+    }
+#endif
+
     gst_video_parse_caps_pixel_aspect_ratio(caps, &video_par_n, &video_par_d);
     sink->video_par_n  = video_par_n;
     sink->video_par_d  = video_par_d;
@@ -662,7 +683,7 @@ error_transfer_surface:
 #endif
 
 static inline gboolean
-gst_vaapisink_show_frame_x11(
+gst_vaapisink_put_surface(
     GstVaapiSink    *sink,
     GstVaapiSurface *surface,
     guint            flags
@@ -715,8 +736,13 @@ gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer)
         break;
 #endif
     case GST_VAAPI_DISPLAY_TYPE_X11:
-        success = gst_vaapisink_show_frame_x11(sink, surface, flags);
+        success = gst_vaapisink_put_surface(sink, surface, flags);
         break;
+#if USE_WAYLAND
+    case GST_VAAPI_DISPLAY_TYPE_WAYLAND:
+        success = gst_vaapisink_put_surface(sink, surface, flags);
+        break;
+#endif
     default:
         GST_ERROR("unsupported display type %d", sink->display_type);
         success = FALSE;