forked from mindspore-Ecosystem/mindspore
145 lines
5.4 KiB
C
145 lines
5.4 KiB
C
/**
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* Copyright 2021 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MINDSPORE_INCLUDE_C_API_MODEL_C_H
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#define MINDSPORE_INCLUDE_C_API_MODEL_C_H
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#include "include/c_api/tensor_c.h"
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#include "include/c_api/context_c.h"
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#include "include/c_api/status_c.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void *MSModelHandle;
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typedef struct MSTensorHandleArray {
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size_t handle_num;
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MSTensorHandle *handle_list;
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} MSTensorHandleArray;
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#define MS_MAX_SHAPE_NUM 32
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typedef struct MSShapeInfo {
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size_t shape_num;
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int64_t shape[MS_MAX_SHAPE_NUM];
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} MSShapeInfo;
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typedef struct MSCallBackParamC {
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char *node_name;
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char *node_type;
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} MSCallBackParamC;
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typedef bool (*MSKernelCallBackC)(const MSTensorHandleArray inputs, const MSTensorHandleArray outputs,
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const MSCallBackParamC kernel_Info);
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/// \brief Create a model object. Only valid for Lite.
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///
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/// \return Model object handle.
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MS_API MSModelHandle MSModelCreate();
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/// \brief Destroy the model object. Only valid for Lite.
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///
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/// \param[in] model Model object handle address.
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MS_API void MSModelDestroy(MSModelHandle *model);
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/// \brief Set workspace for the model object. Only valid for Iot.
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///
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/// \param[in] model Model object handle.
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/// \param[in] workspace Define the workspace address.
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/// \param[in] workspace_size Define the workspace size.
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MS_API void MSModelSetWorkspace(MSModelHandle model, void *workspace, size_t workspace_size);
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/// \brief Build the model from model file buffer so that it can run on a device. Only valid for Lite.
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///
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/// \param[in] model Model object handle.
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/// \param[in] model_data Define the buffer read from a model file.
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/// \param[in] data_size Define bytes number of model file buffer.
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/// \param[in] model_type Define The type of model file.
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/// \param[in] model_context Define the context used to store options during execution.
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///
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/// \return MSStatus.
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MS_API MSStatus MSModelBuild(MSModelHandle model, const void *model_data, size_t data_size, MSModelType model_type,
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const MSContextHandle model_context);
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/// \brief Load and build the model from model path so that it can run on a device. Only valid for Lite.
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///
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/// \param[in] model Model object handle.
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/// \param[in] model_path Define the model file path.
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/// \param[in] model_type Define The type of model file.
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/// \param[in] model_context Define the context used to store options during execution.
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///
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/// \return MSStatus.
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MS_API MSStatus MSModelBuildFromFile(MSModelHandle model, const char *model_path, MSModelType model_type,
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const MSContextHandle model_context);
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/// \brief Resizes the shapes of inputs.
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///
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/// \param[in] model Model object handle.
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/// \param[in] inputs The array that includes all input tensor handles.
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/// \param[in] shape_infos Defines the new shapes of inputs, should be consistent with inputs.
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/// \param[in] shape_info_num The num of shape_infos.
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///
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/// \return MSStatus.
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MS_API MSStatus MSModelResize(MSModelHandle model, const MSTensorHandleArray inputs, MSShapeInfo *shape_infos,
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size_t shape_info_num);
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/// \brief Inference model.
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///
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/// \param[in] model Model object handle.
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/// \param[in] inputs The array that includes all input tensor handles.
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/// \param[out] outputs The array that includes all output tensor handles.
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/// \param[in] before CallBack before predict.
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/// \param[in] after CallBack after predict.
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///
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/// \return MSStatus.
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MS_API MSStatus MSModelPredict(MSModelHandle model, const MSTensorHandleArray inputs, MSTensorHandleArray *outputs,
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const MSKernelCallBackC before, const MSKernelCallBackC after);
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/// \brief Obtains all input tensor handles of the model.
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///
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/// \param[in] model Model object handle.
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///
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/// \return The array that includes all input tensor handles.
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MS_API MSTensorHandleArray MSModelGetInputs(const MSModelHandle model);
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/// \brief Obtains all output tensor handles of the model.
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///
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/// \param[in] model Model object handle.
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///
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/// \return The array that includes all output tensor handles.
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MS_API MSTensorHandleArray MSModelGetOutputs(const MSModelHandle model);
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/// \brief Obtains the input tensor handle of the model by name.
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///
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/// \param[in] model Model object handle.
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/// \param[in] tensor_name The name of tensor.
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///
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/// \return The input tensor handle with the given name, if the name is not found, an NULL is returned.
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MS_API MSTensorHandle MSModelGetInputByTensorName(const MSModelHandle model, const char *tensor_name);
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/// \brief Obtains the output tensor handle of the model by name.
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///
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/// \param[in] model Model object handle.
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/// \param[in] tensor_name The name of tensor.
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///
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/// \return The output tensor handle with the given name, if the name is not found, an NULL is returned.
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MS_API MSTensorHandle MSModelGetOutputByTensorName(const MSModelHandle model, const char *tensor_name);
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#ifdef __cplusplus
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}
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#endif
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#endif // MINDSPORE_INCLUDE_C_API_MODEL_C_H
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