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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>
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* GStreamer gstreamer-tensormeta
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* Copyright (C) 2023 Collabora Ltd
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*
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* gsttensormeta.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_TENSOR_META_H__
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#define __GST_TENSOR_META_H__
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#include <gst/gst.h>
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#include "gsttensor.h"
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/**
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* GstTensorMeta:
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*
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* @meta base GstMeta
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* @num_tensors number of tensors
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* @tensor @ref GstTensor for each tensor
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* @batch_size model batch size
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*
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* Since: 1.24
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*/
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typedef struct _GstTensorMeta
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{
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GstMeta meta;
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gint num_tensors;
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GstTensor *tensor;
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int batch_size;
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} GstTensorMeta;
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G_BEGIN_DECLS
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GType gst_tensor_meta_api_get_type (void);
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const GstMetaInfo *gst_tensor_meta_get_info (void);
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GList *gst_tensor_meta_get_all_from_buffer (GstBuffer * buffer);
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gint gst_tensor_meta_get_index_from_id(GstTensorMeta *meta, GQuark id);
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G_END_DECLS
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#endif
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