From 4731b2d6b739699c6163f90832b92013e1d47c2f Mon Sep 17 00:00:00 2001
From: Zhao Halley <halley.zhao@intel.com>
Date: Mon, 18 Mar 2013 17:14:48 +0800
Subject: [PATCH] implemented Tizen customized message 'prepare-xid' for
 webkit-efl

 - it is similar to 'prepare-xwindow-id' message
 - with additional information required from app side (for pixmap creation):
   video-width, video-height, display-width, display-height
---
 gst/vaapi/gstvaapisink.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/gst/vaapi/gstvaapisink.c b/gst/vaapi/gstvaapisink.c
index e898d86..46246db 100755
--- a/gst/vaapi/gstvaapisink.c
+++ b/gst/vaapi/gstvaapisink.c
@@ -114,6 +114,45 @@ enum {
 #define DEFAULT_ROTATION                GST_VAAPI_ROTATION_0
 
 /* GstImplementsInterface interface */
+/**
+ * gst_vaapisink_prepare_xid:
+ * @overlay: a #GstXOverlay which does not yet have an XWindow or XPixmap.
+ *
+ * This will post a "prepare-xid" element message with video size and display size on the bus
+ * to give applications an opportunity to call
+ * gst_x_overlay_set_xwindow_id() before a plugin creates its own
+ * window or pixmap.
+ *
+ * This function should only be used by video overlay plugin developers.
+ */
+static void
+gst_vaapisink_prepare_xid (GstXOverlay * overlay)
+{
+  GstStructure *s;
+  GstMessage *msg;
+  guint display_width, display_height;
+
+  g_return_if_fail (overlay != NULL);
+  g_return_if_fail (GST_IS_X_OVERLAY (overlay));
+
+  GstVaapiSink *sink;
+  sink = GST_VAAPISINK (GST_OBJECT (overlay));
+
+  gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
+
+  GST_DEBUG ("post \"prepare-xid\" element message with video-width(%d), video-height(%d), display-width(%d), display-height(%d)",
+       sink->video_width, sink->video_height, display_width, display_height); 
+
+  GST_LOG_OBJECT (GST_OBJECT (overlay), "prepare xid");
+  s = gst_structure_new ("prepare-xid",
+        "video-width", G_TYPE_INT, sink->video_width,
+        "video-height", G_TYPE_INT, sink->video_height,
+        "display-width", G_TYPE_INT, display_width, 
+        "display-height", G_TYPE_INT, display_height,
+        NULL);
+  msg = gst_message_new_element (GST_OBJECT (overlay), s);
+  gst_element_post_message (GST_ELEMENT (overlay), msg);
+}
 
 static gboolean
 gst_vaapisink_implements_interface_supported(
@@ -657,6 +696,8 @@ gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
     else {
         gst_vaapi_display_lock(sink->display);
         gst_x_overlay_prepare_xwindow_id(GST_X_OVERLAY(sink));
+        if (!sink->window) 
+            gst_vaapisink_prepare_xid(GST_X_OVERLAY(sink)); // tizen customized interface/message for webkit-efl
         gst_vaapi_display_unlock(sink->display);
         if (sink->window)
             return TRUE;
-- 
2.7.4