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diff --git a/src/empathy-video-src.h b/src/empathy-video-src.h
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+/*
+ * empathy-gst-video-src.h - Header for EmpathyGstVideoSrc
+ * Copyright (C) 2008 Collabora Ltd.
+ * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __EMPATHY_GST_VIDEO_SRC_H__
+#define __EMPATHY_GST_VIDEO_SRC_H__
+
+#include <glib-object.h>
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+typedef struct _EmpathyGstVideoSrc EmpathyGstVideoSrc;
+typedef struct _EmpathyGstVideoSrcClass EmpathyGstVideoSrcClass;
+
+typedef enum {
+  EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST = 0,
+  EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS = 1,
+  EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA = 2,
+  NR_EMPATHY_GST_VIDEO_SRC_CHANNELS
+} EmpathyGstVideoSrcChannel;
+
+#define  EMPATHY_GST_VIDEO_SRC_SUPPORTS_CONTRAST \
+  (1 << EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST)
+#define  EMPATHY_GST_VIDEO_SRC_SUPPORTS_BRIGHTNESS \
+  (1 << EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS)
+#define  EMPATHY_GST_VIDEO_SRC_SUPPORTS_GAMMA \
+  (1 << EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA)
+
+struct _EmpathyGstVideoSrcClass {
+    GstBinClass parent_class;
+};
+
+struct _EmpathyGstVideoSrc {
+    GstBin parent;
+};
+
+GType empathy_video_src_get_type (void);
+
+/* TYPE MACROS */
+#define EMPATHY_TYPE_GST_VIDEO_SRC \
+  (empathy_video_src_get_type ())
+#define EMPATHY_GST_VIDEO_SRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), EMPATHY_TYPE_GST_VIDEO_SRC, \
+    EmpathyGstVideoSrc))
+#define EMPATHY_GST_VIDEO_SRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass), EMPATHY_TYPE_GST_VIDEO_SRC, \
+    EmpathyGstVideoSrcClass))
+#define EMPATHY_IS_GST_VIDEO_SRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj), EMPATHY_TYPE_GST_VIDEO_SRC))
+#define EMPATHY_IS_GST_VIDEO_SRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), EMPATHY_TYPE_GST_VIDEO_SRC))
+#define EMPATHY_GST_VIDEO_SRC_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), EMPATHY_TYPE_GST_VIDEO_SRC, \
+    EmpathyGstVideoSrcClass))
+
+GstElement *empathy_video_src_new (void);
+
+guint
+empathy_video_src_get_supported_channels (GstElement *src);
+
+void empathy_video_src_set_channel (GstElement *src,
+  EmpathyGstVideoSrcChannel channel, guint percent);
+
+guint empathy_video_src_get_channel (GstElement *src,
+  EmpathyGstVideoSrcChannel channel);
+
+G_END_DECLS
+
+#endif /* #ifndef __EMPATHY_GST_VIDEO_SRC_H__*/