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7c925eae61
- batch_size is required to interpret the tensor depending on the tensor format the batch are not necessarily memory plane therefore it's preferable to keep it inside GstTensor. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6000>
129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
/*
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* GStreamer gstreamer-tensor
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* Copyright (C) 2024 Collabora Ltd
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*
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* gsttensor.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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifndef __GST_TENSOR_H__
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#define __GST_TENSOR_H__
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#include <gst/gst.h>
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#include <gst/analytics/analytics-meta-prelude.h>
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/**
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* GstTensorDataType:
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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: 1.26
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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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* GstTensorDimOrder:
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* @GST_TENSOR_DIM_ORDER_ROW_MAJOR: elements along a row are consecutive in memory
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* @GST_TENSOR_DIM_ORDER_COL_MAJOR: elements along a column are consecutive in memory
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*
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* Indicate to read tensor from memory in row-major or column-major.
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*
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* Since: 1.26
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*/
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typedef enum _GstTensorDimOrder
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{
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GST_TENSOR_DIM_ORDER_ROW_MAJOR,
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GST_TENSOR_DIM_ORDER_COL_MAJOR
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} GstTensorDimOrder;
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/**
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* GstTensorLayout:
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* @GST_TENSOR_LAYOUT_STRIDED: indicate the tensor is stored in a dense format in memory
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*
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* Indicate tensor storage in memory.
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*
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* Since: 1.26
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*/
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typedef enum _GstTensorLayout
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{
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GST_TENSOR_LAYOUT_STRIDED
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} GstTensorLayout;
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/**
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* GstTensor:
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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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* @dims_order: Indicate tensor elements layout in memory.
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* @layout: Indicate tensor layout
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* @type: #GstTensorDataType of tensor data
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* @batch_size: Model batch size
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* @data: #GstBuffer holding tensor data
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*
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* Hold tensor data
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*
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* Since: 1.26
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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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gsize num_dims;
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gsize *dims;
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GstTensorDimOrder dims_order;
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GstTensorLayout layout;
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GstTensorDataType data_type;
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gsize batch_size;
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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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#endif /* __GST_TENSOR_H__ */
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