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/*
* GStreamer
* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* As cvdilate_erode and cverode are all the same, except for the transform function,
* we hope this base class should keep maintenance easier.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "gst/opencv/gstopencvutils.h"
#include "gstcvdilateerode.h"
#include <opencv2/core.hpp>
/*
GST_DEBUG_CATEGORY_STATIC (gst_cv_dilate_erode_debug);
#define GST_CAT_DEFAULT gst_cv_dilate_erode_debug
*/
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_ITERATIONS,
};
#define DEFAULT_ITERATIONS 1
static void gst_cv_dilate_erode_class_init (GstCvDilateErodeClass * klass);
static void gst_cv_dilate_erode_init (GstCvDilateErode * filter,
GstCvDilateErodeClass * gclass);
static void gst_cv_dilate_erode_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_cv_dilate_erode_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
GType
gst_cv_dilate_erode_get_type (void)
{
static volatile gsize opencv_dilate_erode_type = 0;
if (g_once_init_enter (&opencv_dilate_erode_type)) {
GType _type;
static const GTypeInfo opencv_dilate_erode_info = {
sizeof (GstCvDilateErodeClass),
NULL,
NULL,
(GClassInitFunc) gst_cv_dilate_erode_class_init,
NULL,
NULL,
sizeof (GstCvDilateErode),
0,
(GInstanceInitFunc) gst_cv_dilate_erode_init,
};
_type = g_type_register_static (GST_TYPE_OPENCV_VIDEO_FILTER,
"GstCvDilateErode", &opencv_dilate_erode_info, G_TYPE_FLAG_ABSTRACT);
/*
GST_DEBUG_CATEGORY_INIT (gst_cv_dilate_erode_debug, "cvdilateerode", 0,
"cvdilateerode");
*/
g_once_init_leave (&opencv_dilate_erode_type, _type);
}
return opencv_dilate_erode_type;
}
/* initialize the cvdilate_erode's class */
static void
gst_cv_dilate_erode_class_init (GstCvDilateErodeClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstCaps *caps;
GstPadTemplate *templ;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_cv_dilate_erode_set_property;
gobject_class->get_property = gst_cv_dilate_erode_get_property;
g_object_class_install_property (gobject_class, PROP_ITERATIONS,
g_param_spec_int ("iterations", "iterations",
"Number of iterations to run the algorithm", 1, G_MAXINT,
DEFAULT_ITERATIONS,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
/* add sink and source pad templates */
caps = gst_opencv_caps_from_cv_image_type (CV_16UC1);
gst_caps_append (caps, gst_opencv_caps_from_cv_image_type (CV_8UC4));
gst_caps_append (caps, gst_opencv_caps_from_cv_image_type (CV_8UC3));
gst_caps_append (caps, gst_opencv_caps_from_cv_image_type (CV_8UC1));
templ = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
gst_caps_ref (caps));
gst_element_class_add_pad_template (element_class, templ);
templ = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
gst_element_class_add_pad_template (element_class, templ);
gst_caps_unref (caps);
gst_type_mark_as_plugin_api (GST_TYPE_CV_DILATE_ERODE, (GstPluginAPIFlags) 0);
}
/* initialize the new element
* instantiate pads and add them to element
* set pad callback functions
* initialize instance structure
*/
static void
gst_cv_dilate_erode_init (GstCvDilateErode * filter,
GstCvDilateErodeClass * gclass)
{
filter->iterations = DEFAULT_ITERATIONS;
gst_opencv_video_filter_set_in_place (GST_OPENCV_VIDEO_FILTER_CAST (filter),
TRUE);
}
static void
gst_cv_dilate_erode_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstCvDilateErode *filter = GST_CV_DILATE_ERODE (object);
switch (prop_id) {
case PROP_ITERATIONS:
filter->iterations = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_cv_dilate_erode_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstCvDilateErode *filter = GST_CV_DILATE_ERODE (object);
switch (prop_id) {
case PROP_ITERATIONS:
g_value_set_int (value, filter->iterations);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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