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114 lines
4.5 KiB
C++
114 lines
4.5 KiB
C++
/*
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* GStreamer
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* Copyright (C) <2017> Philippe Renon <philippe_renon@yahoo.fr>
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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_CAMERA_CALIBRATE_H__
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#define __GST_CAMERA_CALIBRATE_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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G_BEGIN_DECLS
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#define GST_TYPE_CAMERA_CALIBRATE \
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(gst_camera_calibrate_get_type())
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#define GST_CAMERA_CALIBRATE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CAMERA_CALIBRATE,GstCameraCalibrate))
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#define GST_CAMERA_CALIBRATE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CAMERA_CALIBRATE,GstCameraCalibrateClass))
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#define GST_IS_CAMERA_CALIBRATE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CAMERA_CALIBRATE))
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#define GST_IS_CAMERA_CALIBRATE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CAMERA_CALIBRATE))
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typedef struct _GstCameraCalibrate GstCameraCalibrate;
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typedef struct _GstCameraCalibrateClass GstCameraCalibrateClass;
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enum _GstCameraCalibrationPattern {
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GST_CAMERA_CALIBRATION_PATTERN_CHESSBOARD,
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GST_CAMERA_CALIBRATION_PATTERN_CIRCLES_GRID,
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GST_CAMERA_CALIBRATION_PATTERN_ASYMMETRIC_CIRCLES_GRID
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};
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struct _GstCameraCalibrate
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{
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GstOpencvVideoFilter cvfilter;
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// settings
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gint calibrationPattern; // One of the chessboard, circles, or asymmetric circle pattern
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cv::Size boardSize; // The size of the board -> Number of items by width and height
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float squareSize; // The size of a square in your defined unit (point, millimeter,etc).
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float aspectRatio; // The aspect ratio
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bool cornerSubPix; //
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bool calibZeroTangentDist; // Assume zero tangential distortion
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bool calibFixPrincipalPoint; // Fix the principal point at the center
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bool useFisheye; // use fisheye camera model for calibration
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int nrFrames; // The number of frames to use from the input for calibration
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int delay; // In case of a video input
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bool showUndistorsed; // Show undistorted images after calibration
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bool showCorners; // Show corners
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// state
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int flags;
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int mode;
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clock_t prevTimestamp;
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std::vector<std::vector<cv::Point2f> > imagePoints;
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cv::Mat cameraMatrix, distCoeffs;
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// opaque string containing opencv calibration settings
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gchar *settings;
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};
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struct _GstCameraCalibrateClass
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{
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GstOpencvVideoFilterClass parent_class;
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};
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GType gst_camera_calibrate_get_type (void);
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GST_ELEMENT_REGISTER_DECLARE (cameracalibrate);
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G_END_DECLS
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#endif /* __GST_CAMERA_CALIBRATE_H__ */
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