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/*
* GStreamer
* Copyright (C) 2016 - 2018 Prassel S.r.l
* Author: Nicola Murino <nicola.murino@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_DEWARP_H__
#define __GST_DEWARP_H__
#include <gst/gst.h>
#include <gst/opencv/gstopencvvideofilter.h>
#include <opencv2/imgproc.hpp>
G_BEGIN_DECLS
/* #defines don't like whitespacey bits */
#define GST_TYPE_DEWARP \
(gst_dewarp_get_type())
#define GST_DEWARP(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEWARP,GstDewarp))
#define GST_DEWARP_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEWARP,GstDewarpClass))
#define GST_IS_DEWARP(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEWARP))
#define GST_IS_DEWARP_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEWARP))
typedef struct _GstDewarp GstDewarp;
typedef struct _GstDewarpClass GstDewarpClass;
enum _GstDewarpDisplayMode {
GST_DEWARP_DISPLAY_PANORAMA = 0,
GST_DEWARP_DISPLAY_DOUBLE_PANORAMA = 1,
GST_DEWARP_DISPLAY_QUAD_VIEW = 2
};
enum _GstDewarpInterpolationMode {
GST_DEWARP_INTER_NEAREST = 0,
GST_DEWARP_INTER_LINEAR = 1,
GST_DEWARP_INTER_CUBIC = 2,
GST_DEWARP_INTER_LANCZOS4 = 3
};
struct _GstDewarp
{
GstOpencvVideoFilter element;
cv::Mat map_x;
cv::Mat map_y;
gdouble x_center;
gdouble y_center;
gdouble inner_radius;
gdouble outer_radius;
gdouble remap_correction_x;
gdouble remap_correction_y;
gboolean need_map_update;
gint pad_sink_width;
gint pad_sink_height;
gint in_width;
gint in_height;
gint out_width;
gint out_height;
gint display_mode;
gint interpolation_mode;
};
struct _GstDewarpClass
{
GstOpencvVideoFilterClass parent_class;
};
GType gst_dewarp_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (dewarp);
G_END_DECLS
#endif /* __GST_DEWARP_H__ */
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