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83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
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/*
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* GStreamer gstreamer-objectdetectorutils
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* Copyright (C) 2023 Collabora Ltd
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*
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* gstobjectdetectorutils.h
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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_OBJECT_DETECTOR_UTILS_H__
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#define __GST_OBJECT_DETECTOR_UTILS_H__
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#include <gst/gst.h>
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#include <string>
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#include <vector>
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#include "gstml.h"
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#include "tensor/gsttensormeta.h"
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/* Object detection tensor id strings */
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#define GST_MODEL_OBJECT_DETECTOR_BOXES "Gst.Model.ObjectDetector.Boxes"
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#define GST_MODEL_OBJECT_DETECTOR_SCORES "Gst.Model.ObjectDetector.Scores"
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#define GST_MODEL_OBJECT_DETECTOR_NUM_DETECTIONS "Gst.Model.ObjectDetector.NumDetections"
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#define GST_MODEL_OBJECT_DETECTOR_CLASSES "Gst.Model.ObjectDetector.Classes"
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/**
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* GstMlBoundingBox:
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*
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* @label label
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* @score detection confidence
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* @x0 top left hand x coordinate
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* @y0 top left hand y coordinate
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* @width width
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* @height height
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*
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* Since: 1.20
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*/
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struct GstMlBoundingBox {
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GstMlBoundingBox(std::string lbl, float score, float _x0, float _y0,
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float _width, float _height);
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GstMlBoundingBox();
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std::string label;
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float score;
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float x0;
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float y0;
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float width;
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float height;
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};
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namespace GstObjectDetectorUtils {
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const int GstObjectDetectorMaxNodes = 4;
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class GstObjectDetectorUtils {
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public:
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GstObjectDetectorUtils(void);
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~GstObjectDetectorUtils(void) = default;
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std::vector < GstMlBoundingBox > run(int32_t w, int32_t h,
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GstTensorMeta *tmeta,
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std::string labelPath,
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float scoreThreshold);
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private:
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template < typename T > std::vector < GstMlBoundingBox >
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doRun(int32_t w, int32_t h,
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GstTensorMeta *tmeta, std::string labelPath,
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float scoreThreshold);
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std::vector < std::string > ReadLabels(const std::string & labelsFile);
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};
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}
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#endif /* __GST_OBJECT_DETECTOR_UTILS_H__ */
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