--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/gst-libs/gst/interfaces/videoorientation.c	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,303 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "videoorientation.h"
+#include "interfaces-marshal.h"
+
+#include <string.h>
+
+/**
+ * SECTION:gstvideoorientation
+ * @short_description: Interface for elements providing video orientation
+ * controls
+ *
+ * The interface allows unified access to control flipping and autocenter
+ * operation of video-sources or operators.
+ *
+ * Since: 0.10.11
+ */
+
+static void gst_video_orientation_iface_init (GstVideoOrientationInterface *
+    iface);
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+
+GType
+gst_video_orientation_get_type (void)
+{
+  static GType gst_video_orientation_type = 0;
+
+  if (!gst_video_orientation_type) {
+    static const GTypeInfo gst_video_orientation_info = {
+      sizeof (GstVideoOrientationInterface),
+      (GBaseInitFunc) gst_video_orientation_iface_init,
+      NULL,
+      NULL,
+      NULL,
+      NULL,
+      0,
+      0,
+      NULL,
+    };
+
+    gst_video_orientation_type = g_type_register_static (G_TYPE_INTERFACE,
+        "GstVideoOrientation", &gst_video_orientation_info, 0);
+    g_type_interface_add_prerequisite (gst_video_orientation_type,
+        GST_TYPE_IMPLEMENTS_INTERFACE);
+  }
+
+  return gst_video_orientation_type;
+}
+
+static void
+gst_video_orientation_iface_init (GstVideoOrientationInterface * iface)
+{
+  /* default virtual functions */
+
+  iface->get_hflip = NULL;
+  iface->get_vflip = NULL;
+  iface->get_hcenter = NULL;
+  iface->get_vcenter = NULL;
+
+  iface->set_hflip = NULL;
+  iface->set_vflip = NULL;
+  iface->set_hcenter = NULL;
+  iface->set_vcenter = NULL;
+}
+
+/**
+ * gst_video_orientation_get_hflip:
+ * @video_orientation: #GstVideoOrientation interface of a #GstElement
+ * @flip: return location for the result
+ *
+ * Get the horizontal flipping state (%TRUE for flipped) from the given object.
+ *
+ * Since: 0.10.11
+ * Returns: %TRUE in case the element supports flipping
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+gboolean
+gst_video_orientation_get_hflip (GstVideoOrientation * video_orientation,
+    gboolean * flip)
+{
+  GstVideoOrientationInterface *iface =
+      GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
+
+  if (iface->get_hflip) {
+    return iface->get_hflip (video_orientation, flip);
+  }
+  return FALSE;
+}
+
+/**
+ * gst_video_orientation_get_vflip:
+ * @video_orientation: #GstVideoOrientation interface of a #GstElement
+ * @flip: return location for the result
+ *
+ * Get the vertical flipping state (%TRUE for flipped) from the given object.
+ *
+ * Since: 0.10.11
+ * Returns: %TRUE in case the element supports flipping
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+gboolean
+gst_video_orientation_get_vflip (GstVideoOrientation * video_orientation,
+    gboolean * flip)
+{
+  GstVideoOrientationInterface *iface =
+      GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
+
+  if (iface->get_vflip) {
+    return iface->get_vflip (video_orientation, flip);
+  }
+  return FALSE;
+}
+
+/**
+ * gst_video_orientation_get_hcenter:
+ * @video_orientation: #GstVideoOrientation interface of a #GstElement
+ * @center: return location for the result
+ *
+ * Get the horizontal centering offset from the given object.
+ *
+ * Since: 0.10.11
+ * Returns: %TRUE in case the element supports centering
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+gboolean
+gst_video_orientation_get_hcenter (GstVideoOrientation * video_orientation,
+    gint * center)
+{
+  GstVideoOrientationInterface *iface =
+      GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
+
+  if (iface->get_hcenter) {
+    return iface->get_hcenter (video_orientation, center);
+  }
+  return FALSE;
+}
+
+/**
+ * gst_video_orientation_get_vcenter:
+ * @video_orientation: #GstVideoOrientation interface of a #GstElement
+ * @center: return location for the result
+ *
+ * Get the vertical centering offset from the given object.
+ *
+ * Since: 0.10.11
+ * Returns: %TRUE in case the element supports centering
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+gboolean
+gst_video_orientation_get_vcenter (GstVideoOrientation * video_orientation,
+    gint * center)
+{
+  GstVideoOrientationInterface *iface =
+      GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
+
+  if (iface->get_vcenter) {
+    return iface->get_vcenter (video_orientation, center);
+  }
+  return FALSE;
+}
+
+/**
+ * gst_video_orientation_set_hflip:
+ * @video_orientation: #GstVideoOrientation interface of a #GstElement
+ * @flip: use flipping
+ *
+ * Set the horizontal flipping state (%TRUE for flipped) for the given object.
+ *
+ * Since: 0.10.11
+ * Returns: %TRUE in case the element supports flipping
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+gboolean
+gst_video_orientation_set_hflip (GstVideoOrientation * video_orientation,
+    gboolean flip)
+{
+  GstVideoOrientationInterface *iface =
+      GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
+
+  if (iface->set_hflip) {
+    return iface->set_hflip (video_orientation, flip);
+  }
+  return FALSE;
+}
+
+/**
+ * gst_video_orientation_set_vflip:
+ * @video_orientation: #GstVideoOrientation interface of a #GstElement
+ * @flip: use flipping
+ *
+ * Set the vertical flipping state (%TRUE for flipped) for the given object.
+ *
+ * Since: 0.10.11
+ * Returns: %TRUE in case the element supports flipping
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+gboolean
+gst_video_orientation_set_vflip (GstVideoOrientation * video_orientation,
+    gboolean flip)
+{
+  GstVideoOrientationInterface *iface =
+      GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
+
+  if (iface->set_vflip) {
+    return iface->set_vflip (video_orientation, flip);
+  }
+  return FALSE;
+}
+
+/**
+ * gst_video_orientation_set_hcenter:
+ * @video_orientation: #GstVideoOrientation interface of a #GstElement
+ * @center: centering offset
+ *
+ * Set the horizontal centering offset for the given object.
+ *
+ * Since: 0.10.11
+ * Returns: %TRUE in case the element supports centering
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+gboolean
+gst_video_orientation_set_hcenter (GstVideoOrientation * video_orientation,
+    gint center)
+{
+  GstVideoOrientationInterface *iface =
+      GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
+
+  if (iface->set_hcenter) {
+    return iface->set_hcenter (video_orientation, center);
+  }
+  return FALSE;
+}
+
+/**
+ * gst_video_orientation_set_vcenter:
+ * @video_orientation: #GstVideoOrientation interface of a #GstElement
+ * @center: centering offset
+ *
+ * Set the vertical centering offset for the given object.
+ *
+ * Since: 0.10.11
+ * Returns: %TRUE in case the element supports centering
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+gboolean
+gst_video_orientation_set_vcenter (GstVideoOrientation * video_orientation,
+    gint center)
+{
+  GstVideoOrientationInterface *iface =
+      GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
+
+  if (iface->set_vcenter) {
+    return iface->set_vcenter (video_orientation, center);
+  }
+  return FALSE;
+}