/*
 * GStreamer
 * Copyright (C) 2012 andol li <<andol@andol.info>>
 * Copyright (c) 2013 Sreerenj Balachandran <sreerenj.balachandran@intel.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Alternatively, the contents of this file may be used under the
 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
 * which case the following provisions apply instead of the ones
 * mentioned above:
 *
 * 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_HANDDETECT_H__
#define __GST_HANDDETECT_H__

#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/navigation.h>

#include "gstopencvvideofilter.h"
/* opencv */
#include <opencv2/core/version.hpp>
#ifdef HAVE_HIGHGUI_H
#include <highgui.h>            // includes highGUI definitions
#endif
#ifdef HAVE_OPENCV2_HIGHGUI_HIGHGUI_C_H
#include <opencv2/highgui/highgui_c.h>            // includes highGUI definitions
#endif
#include <opencv2/objdetect/objdetect.hpp>

G_BEGIN_DECLS
/* #defines don't like whitespacey bits */
#define GST_TYPE_HANDDETECT \
  (gst_handdetect_get_type())
#define GST_HANDDETECT(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_HANDDETECT,GstHanddetect))
#define GST_HANDDETECT_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_HANDDETECT,GstHanddetectClass))
#define GST_IS_HANDDETECT(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_HANDDETECT))
#define GST_IS_HANDDETECT_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_HANDDETECT))
typedef struct _GstHanddetect GstHanddetect;
typedef struct _GstHanddetectClass GstHanddetectClass;

struct _GstHanddetect
{
  GstOpencvVideoFilter element;

  gboolean display;
  gchar *profile_fist;
  gchar *profile_palm;
  /* region of interest */
  guint roi_x;
  guint roi_y;
  guint roi_width;
  guint roi_height;

  /* opencv
   * cvGray - image to gray colour
   */
  IplImage *cvGray;
  CvHaarClassifierCascade *cvCascade_fist;
  CvHaarClassifierCascade *cvCascade_palm;
  CvMemStorage *cvStorage;
  CvMemStorage *cvStorage_palm;
  CvRect *prev_r;
  CvRect *best_r;
};

struct _GstHanddetectClass
{
  GstOpencvVideoFilterClass parent_class;
};

GType gst_handdetect_get_type (void);

gboolean gst_handdetect_plugin_init (GstPlugin * plugin);

G_END_DECLS
#endif /* __GST_HANDDETECT_H__ */