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124 lines
3.3 KiB
C
124 lines
3.3 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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/**
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* GstTensorDataType:
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*
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* @GST_TENSOR_TYPE_INT4 signed 4 bit integer tensor data
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* @GST_TENSOR_TYPE_INT8 signed 8 bit integer tensor data
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* @GST_TENSOR_TYPE_INT16 signed 16 bit integer tensor data
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* @GST_TENSOR_TYPE_INT32 signed 32 bit integer tensor data
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* @GST_TENSOR_TYPE_INT64 signed 64 bit integer tensor data
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* @GST_TENSOR_TYPE_UINT4 unsigned 4 bit integer tensor data
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* @GST_TENSOR_TYPE_UINT8 unsigned 8 bit integer tensor data
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* @GST_TENSOR_TYPE_UINT16 unsigned 16 bit integer tensor data
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* @GST_TENSOR_TYPE_UINT32 unsigned 32 bit integer tensor data
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* @GST_TENSOR_TYPE_UINT64 unsigned 64 bit integer tensor data
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* @GST_TENSOR_TYPE_FLOAT16 16 bit floating point tensor data
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* @GST_TENSOR_TYPE_FLOAT32 32 bit floating point tensor data
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* @GST_TENSOR_TYPE_FLOAT64 64 bit floating point tensor data
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* @GST_TENSOR_TYPE_BFLOAT16 "brain" 16 bit floating point tensor data
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*
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* Describe the type of data contain in the tensor.
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*
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* Since: 1.24
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*/
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typedef enum _GstTensorDataType
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{
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GST_TENSOR_TYPE_INT4,
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GST_TENSOR_TYPE_INT8,
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GST_TENSOR_TYPE_INT16,
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GST_TENSOR_TYPE_INT32,
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GST_TENSOR_TYPE_INT64,
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GST_TENSOR_TYPE_UINT4,
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GST_TENSOR_TYPE_UINT8,
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GST_TENSOR_TYPE_UINT16,
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GST_TENSOR_TYPE_UINT32,
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GST_TENSOR_TYPE_UINT64,
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GST_TENSOR_TYPE_FLOAT16,
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GST_TENSOR_TYPE_FLOAT32,
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GST_TENSOR_TYPE_FLOAT64,
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GST_TENSOR_TYPE_BFLOAT16,
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} GstTensorDataType;
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/**
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* GstTensor:
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*
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* @id: semantically identify the contents of the tensor
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* @num_dims: number of tensor dimensions
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* @dims: tensor dimensions
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* @type: #GstTensorDataType of tensor data
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* @data: #GstBuffer holding tensor data
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*
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* Since: 1.24
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*/
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typedef struct _GstTensor
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{
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GQuark id;
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gint num_dims;
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int64_t *dims;
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GstTensorDataType data_type;
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GstBuffer *data;
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} GstTensor;
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#define GST_TENSOR_MISSING_ID -1
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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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#define GST_TENSOR_META_API_TYPE \
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(gst_tensor_meta_api_get_type())
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#define GST_TENSOR_META_INFO \
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(gst_tensor_meta_get_info())
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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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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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