From d3595d47063315d9f350e1bccd8c7b70a31f3376 Mon Sep 17 00:00:00 2001
From: Thibault Saunier <thibault.saunier@collabora.com>
Date: Sat, 30 Mar 2013 14:35:45 +0100
Subject: [PATCH] pipeline: Implement the video overlay interface

---
 ges/ges-timeline-pipeline.c | 57 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)

diff --git a/ges/ges-timeline-pipeline.c b/ges/ges-timeline-pipeline.c
index 984ac11..525d39f 100644
--- a/ges/ges-timeline-pipeline.c
+++ b/ges/ges-timeline-pipeline.c
@@ -28,7 +28,9 @@
  */
 
 #include <gst/gst.h>
+#include <gst/video/videooverlay.h>
 #include <stdio.h>
+
 #include "ges-internal.h"
 #include "ges-timeline-pipeline.h"
 #include "ges-screenshot.h"
@@ -48,7 +50,6 @@ typedef struct
   gulong probe_id;
 } OutputChain;
 
-G_DEFINE_TYPE (GESTimelinePipeline, ges_timeline_pipeline, GST_TYPE_PIPELINE);
 
 struct _GESTimelinePipelinePrivate
 {
@@ -85,6 +86,60 @@ static OutputChain *get_output_chain_for_track (GESTimelinePipeline * self,
 static OutputChain *new_output_chain_for_track (GESTimelinePipeline * self,
     GESTrack * track);
 
+/****************************************************
+ *    Video Overlay vmethods implementation         *
+ ****************************************************/
+static void
+_overlay_expose (GstVideoOverlay * overlay)
+{
+  GESTimelinePipeline *pipeline = GES_TIMELINE_PIPELINE (overlay);
+
+  gst_video_overlay_expose (GST_VIDEO_OVERLAY (pipeline->priv->playsink));
+}
+
+static void
+_overlay_handle_events (GstVideoOverlay * overlay, gboolean handle_events)
+{
+  GESTimelinePipeline *pipeline = GES_TIMELINE_PIPELINE (overlay);
+
+  gst_video_overlay_handle_events (GST_VIDEO_OVERLAY (pipeline->priv->playsink),
+      handle_events);
+}
+
+static void
+_overlay_set_render_rectangle (GstVideoOverlay * overlay, gint x,
+    gint y, gint width, gint height)
+{
+  GESTimelinePipeline *pipeline = GES_TIMELINE_PIPELINE (overlay);
+
+  gst_video_overlay_set_render_rectangle (GST_VIDEO_OVERLAY (pipeline->
+          priv->playsink), x, y, width, height);
+}
+
+static void
+_overlay_set_window_handle (GstVideoOverlay * overlay, guintptr handle)
+{
+  GESTimelinePipeline *pipeline = GES_TIMELINE_PIPELINE (overlay);
+
+  gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (pipeline->priv->
+          playsink), handle);
+}
+
+static void
+video_overlay_init (gpointer g_iface, gpointer g_iface_data)
+{
+  GstVideoOverlayInterface *iface = (GstVideoOverlayInterface *) g_iface;
+
+  iface->expose = _overlay_expose;
+  iface->handle_events = _overlay_handle_events;
+  iface->set_render_rectangle = _overlay_set_render_rectangle;
+  iface->set_window_handle = _overlay_set_window_handle;
+}
+
+G_DEFINE_TYPE_WITH_CODE (GESTimelinePipeline, ges_timeline_pipeline,
+    GST_TYPE_PIPELINE,
+    G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY, video_overlay_init));
+
 static void
 ges_timeline_pipeline_get_property (GObject * object, guint property_id,
     GValue * value, GParamSpec * pspec)
-- 
2.7.4