mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 12:11:13 +00:00
124 lines
4.4 KiB
C
124 lines
4.4 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2013 Miguel Casas-Sanchez <miguelecasassanchez@gmail.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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __GST_SEGMENTATION_H__
|
|
#define __GST_SEGMENTATION_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/opencv/gstopencvvideofilter.h>
|
|
|
|
#include <opencv2/video.hpp>
|
|
#include <opencv2/core.hpp>
|
|
#include <opencv2/bgsegm.hpp>
|
|
|
|
G_BEGIN_DECLS
|
|
/* #defines don't like whitespacey bits */
|
|
#define GST_TYPE_SEGMENTATION \
|
|
(gst_segmentation_get_type())
|
|
#define GST_SEGMENTATION(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SEGMENTATION,GstSegmentation))
|
|
#define GST_SEGMENTATION_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SEGMENTATION,GstSegmentationClass))
|
|
#define GST_IS_SEGMENTATION(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SEGMENTATION))
|
|
#define GST_IS_SEGMENTATION_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SEGMENTATION))
|
|
typedef struct _GstSegmentation GstSegmentation;
|
|
typedef struct _GstSegmentationClass GstSegmentationClass;
|
|
|
|
#define CHANNELS 3
|
|
typedef struct ce
|
|
{
|
|
unsigned char learnHigh[CHANNELS]; /* High side threshold for learning */
|
|
unsigned char learnLow[CHANNELS]; /* Low side threshold for learning */
|
|
unsigned char max[CHANNELS]; /* High side of box boundary */
|
|
unsigned char min[CHANNELS]; /* Low side of box boundary */
|
|
int t_last_update; /* Allow us to kill stale entries */
|
|
int stale; /* max negative run (longest period of inactivity) */
|
|
} code_element;
|
|
|
|
|
|
typedef struct code_book
|
|
{
|
|
code_element **cb;
|
|
int numEntries;
|
|
int t; /*count every access */
|
|
} codeBook;
|
|
|
|
struct _GstSegmentation
|
|
{
|
|
GstOpencvVideoFilter element;
|
|
gint method;
|
|
|
|
gboolean test_mode;
|
|
gint width, height;
|
|
|
|
cv::Mat cvRGB;
|
|
cv::Mat cvYUV;
|
|
|
|
cv::Mat cvFG; /* used for the alpha BW 1ch image composition */
|
|
cv::Mat ch1, ch2, ch3;
|
|
int framecount;
|
|
|
|
/* for codebook approach */
|
|
codeBook *TcodeBook;
|
|
int learning_interval;
|
|
|
|
/* for MOG methods */
|
|
cv::Ptr<cv::BackgroundSubtractor> mog; /* cv::BackgroundSubtractorMOG */
|
|
cv::Ptr<cv::BackgroundSubtractorMOG2> mog2; /* cv::BackgroundSubtractorMOG2 */
|
|
|
|
double learning_rate;
|
|
};
|
|
|
|
struct _GstSegmentationClass
|
|
{
|
|
GstOpencvVideoFilterClass parent_class;
|
|
};
|
|
|
|
GType gst_segmentation_get_type (void);
|
|
|
|
gboolean gst_segmentation_plugin_init (GstPlugin * plugin);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_SEGMENTATION_H__ */
|