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- GstAnalyticRelationMeta is a base class for analytics meta. It's able to store analytics results (GstAnalyticRelatableMtd) and describe the relation between each analysis results. - GstAnalysisRelationMeta also contain an algorithm able to explore analysis results relation using a bfs. - Relation(edge) between analysis results (vertice) are stored in an adjacency-matrix that allow to quickly identify if two analysis results are related and by which relation they related. It also work for indirect relation and can provide the path of analysis results by which two analysis results are related. - One allocation per buffer to store analysis results. Here we rely on the application to guess how much space will be required to store all analysis results. This is something that could be improved significantly but it's a starting point. - Define common analysis results, classification, object-detection, tracking that are subclass of GstAnalyticRelatableMtd. The also provide exemple of how to extend GstAnalyticRelatableMtd to have them benefit for the mechanim to express relation with other analysis results. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4962>
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/* GStreamer
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* Copyright (C) 2023 Collabora Ltd
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*
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* analytics-meta-prelude.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 Publicn
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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_ANALYTICS_META_PRELUDE_H__
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#define __GST_ANALYTICS_META_PRELUDE_H__
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#include <gst/gst.h>
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#ifndef GST_ANALYTICS_META_API
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# ifdef BUILDING_GST_ANALYTIC_META
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# define GST_ANALYTICS_META_API GST_API_EXPORT
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# else
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# define GST_ANALYTICS_META_API GST_API_IMPORT
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# endif
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#endif
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#endif /* __GST_ANALYTICS_META_PRELUDE_H__ */
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