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diff --git a/sys/v4l2/gstv4l2sink.h b/sys/v4l2/gstv4l2sink.h
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+++ b/sys/v4l2/gstv4l2sink.h
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+/* GStreamer
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc - http://www.ti.com/
+ *
+ * Description: V4L2 sink element
+ *  Created on: Jul 2, 2009
+ *      Author: Rob Clark <rob@ti.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 __GSTV4L2SINK_H__
+#define __GSTV4L2SINK_H__
+
+#include <gst/video/gstvideosink.h>
+#include <gstv4l2object.h>
+#include <gstv4l2bufferpool.h>
+
+GST_DEBUG_CATEGORY_EXTERN (v4l2sink_debug);
+
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_V4L2SINK \
+  (gst_v4l2sink_get_type())
+#define GST_V4L2SINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_V4L2SINK, GstV4l2Sink))
+#define GST_V4L2SINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_V4L2SINK, GstV4l2SinkClass))
+#define GST_IS_V4L2SINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_V4L2SINK))
+#define GST_IS_V4L2SINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_V4L2SINK))
+
+typedef struct _GstV4l2Sink GstV4l2Sink;
+typedef struct _GstV4l2SinkClass GstV4l2SinkClass;
+
+
+struct _GstV4l2Sink {
+  GstVideoSink videosink;
+
+  /*< private >*/
+  GstV4l2Object * v4l2object;
+  GstCaps *probed_caps;         /* all supported caps of underlying v4l2 device */
+  GstCaps *current_caps;        /* the current negotiated caps */
+  GstV4l2BufferPool *pool;
+  guint32 num_buffers;
+  guint32 min_queued_bufs;
+
+  gint video_width, video_height;      /* original (unscaled) video w/h */
+
+  /*
+   * field to store requested overlay and crop top/left/width/height props:
+   * note, could maybe be combined with 'vwin' field in GstV4l2Object?
+   */
+  struct v4l2_rect overlay, crop;
+
+  /*
+   * bitmask to track which overlay and crop fields user has requested by
+   * setting properties:
+   */
+  guint8 overlay_fields_set, crop_fields_set;
+
+  guint8 state;
+};
+
+struct _GstV4l2SinkClass {
+  GstVideoSinkClass parent_class;
+
+  GList *v4l2_class_devices;
+};
+
+GType gst_v4l2sink_get_type(void);
+
+G_END_DECLS
+
+
+#endif /* __GSTV4L2SINK_H__ */