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196 lines
6.4 KiB
C++
196 lines
6.4 KiB
C++
/*
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* GStreamer
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* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/*
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* As cvdilate_erode and cverode are all the same, except for the transform function,
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* we hope this base class should keep maintenance easier.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "gst/opencv/gstopencvutils.h"
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#include "gstcvdilateerode.h"
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#include <opencv2/core.hpp>
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/*
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GST_DEBUG_CATEGORY_STATIC (gst_cv_dilate_erode_debug);
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#define GST_CAT_DEFAULT gst_cv_dilate_erode_debug
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*/
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/* Filter signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_ITERATIONS,
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};
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#define DEFAULT_ITERATIONS 1
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static void gst_cv_dilate_erode_class_init (GstCvDilateErodeClass * klass);
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static void gst_cv_dilate_erode_init (GstCvDilateErode * filter,
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GstCvDilateErodeClass * gclass);
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static void gst_cv_dilate_erode_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_cv_dilate_erode_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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GType
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gst_cv_dilate_erode_get_type (void)
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{
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static gsize opencv_dilate_erode_type = 0;
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if (g_once_init_enter (&opencv_dilate_erode_type)) {
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GType _type;
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static const GTypeInfo opencv_dilate_erode_info = {
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sizeof (GstCvDilateErodeClass),
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NULL,
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NULL,
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(GClassInitFunc) gst_cv_dilate_erode_class_init,
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NULL,
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NULL,
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sizeof (GstCvDilateErode),
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0,
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(GInstanceInitFunc) gst_cv_dilate_erode_init,
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};
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_type = g_type_register_static (GST_TYPE_OPENCV_VIDEO_FILTER,
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"GstCvDilateErode", &opencv_dilate_erode_info, G_TYPE_FLAG_ABSTRACT);
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/*
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GST_DEBUG_CATEGORY_INIT (gst_cv_dilate_erode_debug, "cvdilateerode", 0,
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"cvdilateerode");
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*/
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g_once_init_leave (&opencv_dilate_erode_type, _type);
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}
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return opencv_dilate_erode_type;
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}
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/* initialize the cvdilate_erode's class */
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static void
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gst_cv_dilate_erode_class_init (GstCvDilateErodeClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstCaps *caps;
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GstPadTemplate *templ;
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gobject_class = (GObjectClass *) klass;
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gobject_class->set_property = gst_cv_dilate_erode_set_property;
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gobject_class->get_property = gst_cv_dilate_erode_get_property;
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g_object_class_install_property (gobject_class, PROP_ITERATIONS,
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g_param_spec_int ("iterations", "iterations",
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"Number of iterations to run the algorithm", 1, G_MAXINT,
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DEFAULT_ITERATIONS,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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/* add sink and source pad templates */
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caps = gst_opencv_caps_from_cv_image_type (CV_16UC1);
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gst_caps_append (caps, gst_opencv_caps_from_cv_image_type (CV_8UC4));
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gst_caps_append (caps, gst_opencv_caps_from_cv_image_type (CV_8UC3));
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gst_caps_append (caps, gst_opencv_caps_from_cv_image_type (CV_8UC1));
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templ = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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gst_caps_ref (caps));
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gst_element_class_add_pad_template (element_class, templ);
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templ = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
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gst_element_class_add_pad_template (element_class, templ);
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gst_caps_unref (caps);
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gst_type_mark_as_plugin_api (GST_TYPE_CV_DILATE_ERODE, (GstPluginAPIFlags) 0);
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}
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/* initialize the new element
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* instantiate pads and add them to element
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* set pad callback functions
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* initialize instance structure
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*/
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static void
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gst_cv_dilate_erode_init (GstCvDilateErode * filter,
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GstCvDilateErodeClass * gclass)
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{
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filter->iterations = DEFAULT_ITERATIONS;
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gst_opencv_video_filter_set_in_place (GST_OPENCV_VIDEO_FILTER_CAST (filter),
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TRUE);
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}
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static void
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gst_cv_dilate_erode_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstCvDilateErode *filter = GST_CV_DILATE_ERODE (object);
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switch (prop_id) {
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case PROP_ITERATIONS:
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filter->iterations = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_cv_dilate_erode_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstCvDilateErode *filter = GST_CV_DILATE_ERODE (object);
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switch (prop_id) {
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case PROP_ITERATIONS:
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g_value_set_int (value, filter->iterations);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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