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diff --git a/gst/videomixer/videomixer.h b/gst/videomixer/videomixer.h
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+++ b/gst/videomixer/videomixer.h
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+/* Generic video mixer plugin
+ * Copyright (C) 2008 Wim Taymans <wim@fluendo.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+ 
+#ifndef __GST_VIDEO_MIXER_H__
+#define __GST_VIDEO_MIXER_H__
+
+#include <gst/gst.h>
+#include "videomixerpad.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_VIDEO_MIXER (gst_videomixer_get_type())
+#define GST_VIDEO_MIXER(obj) \
+        (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_MIXER, GstVideoMixer))
+#define GST_VIDEO_MIXER_CLASS(klass) \
+        (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_MIXER, GstVideoMixerClass))
+#define GST_IS_VIDEO_MIXER(obj) \
+        (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_MIXER))
+#define GST_IS_VIDEO_MIXER_CLASS(klass) \
+        (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_MIXER))
+
+typedef struct _GstVideoMixer GstVideoMixer;
+typedef struct _GstVideoMixerClass GstVideoMixerClass;
+
+/**
+ * GstVideoMixerBackground:
+ * @VIDEO_MIXER_BACKGROUND_CHECKER: checker pattern background
+ * @VIDEO_MIXER_BACKGROUND_BLACK: solid color black background
+ * @VIDEO_MIXER_BACKGROUND_WHITE: solid color white background
+ *
+ * The different backgrounds videomixer can blend over.
+ */
+typedef enum
+{
+  VIDEO_MIXER_BACKGROUND_CHECKER,
+  VIDEO_MIXER_BACKGROUND_BLACK,
+  VIDEO_MIXER_BACKGROUND_WHITE
+}
+GstVideoMixerBackground;
+
+/**
+ * GstVideoMixer:
+ *
+ * The opaque #GstVideoMixer structure.
+ */
+struct _GstVideoMixer
+{
+  GstElement element;
+
+  /* pad */
+  GstPad *srcpad;
+
+  /* Lock to prevent the state to change while blending */
+  GMutex *state_lock;
+  /* Sink pads using Collect Pads from core's base library */
+  GstCollectPads *collect;
+  /* sinkpads, a GSList of GstVideoMixerPads */
+  GSList *sinkpads;
+
+  gint numpads;
+
+  /* the master pad */
+  GstVideoMixerPad *master;
+
+  gint in_width, in_height;
+  gint out_width, out_height;
+  gboolean setcaps;
+  gboolean sendseg;
+
+  GstVideoMixerBackground background;
+
+  gint fps_n;
+  gint fps_d;
+};
+
+struct _GstVideoMixerClass
+{
+  GstElementClass parent_class;
+};
+
+G_END_DECLS
+#endif /* __GST_VIDEO_MIXER_H__ */