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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1ff585233a
This element refactors functionality from gstonnxinference element, namely separating out the ONNX inference from the subsequent analysis. The new element runs an ONNX model on each video frame, and then attaches a TensorMeta meta with the output tensor data. This tensor data will then be consumed by downstream elements such as gstobjectdetector. At the moment, a provisional TensorMeta is used just in the ONNX plugin, but in future this will upgraded to a GStreamer API for other plugins to consume. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4916>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
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* GStreamer gstreamer-ssdobjectdetector
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* Copyright (C) 2021 Collabora Ltd
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*
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* gstssdobjectdetector.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_SSD_OBJECT_DETECTOR_H__
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#define __GST_SSD_OBJECT_DETECTOR_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideofilter.h>
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G_BEGIN_DECLS
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#define GST_TYPE_SSD_OBJECT_DETECTOR (gst_ssd_object_detector_get_type())
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G_DECLARE_FINAL_TYPE (GstSsdObjectDetector, gst_ssd_object_detector, GST, SSD_OBJECT_DETECTOR, GstBaseTransform)
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#define GST_SSD_OBJECT_DETECTOR_META_NAME "ssd-object-detector"
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#define GST_SSD_OBJECT_DETECTOR_META_PARAM_NAME "extra-data"
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#define GST_SSD_OBJECT_DETECTOR_META_FIELD_LABEL "label"
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#define GST_SSD_OBJECT_DETECTOR_META_FIELD_SCORE "score"
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/**
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* GstSsdObjectDetector:
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*
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* @label_file label file
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* @score_threshold score threshold
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* @confidence_threshold confidence threshold
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* @iou_threhsold iou threshold
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* @od_ptr opaque pointer to GstOd object detection implementation
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*
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* Since: 1.20
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*/
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struct _GstSsdObjectDetector
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{
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GstBaseTransform basetransform;
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gchar *label_file;
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gfloat score_threshold;
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gfloat confidence_threshold;
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gfloat iou_threshold;
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gpointer odutils;
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GstVideoInfo video_info;
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};
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/**
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* GstSsdObjectDetectorClass:
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*
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* @parent_class base transform base class
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*
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* Since: 1.20
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*/
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struct _GstSsdObjectDetectorClass
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{
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GstBaseTransformClass parent_class;
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};
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GST_ELEMENT_REGISTER_DECLARE (ssd_object_detector)
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G_END_DECLS
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#endif /* __GST_SSD_OBJECT_DETECTOR_H__ */
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