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117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/*
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* GStreamer
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* Copyright (C) 2016 Prassel S.r.l
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* Author: Nicola Murino <nicola.murino@gmail.com>
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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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#ifndef __GST_DEWARP_H__
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#define __GST_DEWARP_H__
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#include <gst/gst.h>
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#include <gst/opencv/gstopencvvideofilter.h>
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#include <opencv2/core.hpp>
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#include <opencv2/imgproc.hpp>
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#if (CV_MAJOR_VERSION >= 4)
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#include <opencv2/imgproc/imgproc_c.h>
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#endif
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G_BEGIN_DECLS
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/* #defines don't like whitespacey bits */
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#define GST_TYPE_DEWARP \
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(gst_dewarp_get_type())
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#define GST_DEWARP(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEWARP,GstDewarp))
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#define GST_DEWARP_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEWARP,GstDewarpClass))
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#define GST_IS_DEWARP(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEWARP))
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#define GST_IS_DEWARP_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEWARP))
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typedef struct _GstDewarp GstDewarp;
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typedef struct _GstDewarpClass GstDewarpClass;
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enum _GstDewarpDisplayMode {
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GST_DEWARP_DISPLAY_PANORAMA = 0,
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GST_DEWARP_DISPLAY_DOUBLE_PANORAMA = 1,
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GST_DEWARP_DISPLAY_QUAD_VIEW = 2
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};
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enum _GstDewarpInterpolationMode {
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GST_DEWARP_INTER_NEAREST = 0,
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GST_DEWARP_INTER_LINEAR = 1,
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GST_DEWARP_INTER_CUBIC = 2,
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GST_DEWARP_INTER_LANCZOS4 = 3
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};
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struct _GstDewarp
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{
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GstOpencvVideoFilter element;
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cv::Mat *map_x;
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cv::Mat *map_y;
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gdouble x_center;
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gdouble y_center;
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gdouble inner_radius;
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gdouble outer_radius;
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gdouble remap_correction_x;
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gdouble remap_correction_y;
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gboolean need_map_update;
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gint pad_sink_width;
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gint pad_sink_height;
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gint in_width;
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gint in_height;
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gint out_width;
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gint out_height;
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gint display_mode;
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gint interpolation_mode;
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};
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struct _GstDewarpClass
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{
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GstOpencvVideoFilterClass parent_class;
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};
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GType gst_dewarp_get_type (void);
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gboolean gst_dewarp_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_DEWARP_H__ */
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