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718c4140fa
Otherwise the destructor will never be called, and we would have to call the constructors manually at some point... which we never did, so calling release() on it before it got otherwise initialized caused a crash. For example when running gst-inspect-1.0.
114 lines
3.8 KiB
C
114 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/core.hpp>
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#include <opencv2/imgproc/imgproc.hpp>
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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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