diff options
Diffstat (limited to 'runtimes/libs/tflite/include/tflite/InterpreterSession.h')
-rw-r--r-- | runtimes/libs/tflite/include/tflite/InterpreterSession.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/runtimes/libs/tflite/include/tflite/InterpreterSession.h b/runtimes/libs/tflite/include/tflite/InterpreterSession.h new file mode 100644 index 000000000..deaf05a7f --- /dev/null +++ b/runtimes/libs/tflite/include/tflite/InterpreterSession.h @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * @file InterpreterSession.h + * @brief This file contains InterpreterSession class + * @ingroup COM_AI_RUNTIME + */ + +#ifndef __NNFW_TFLITE_INTERPRETER_SESSION_H__ +#define __NNFW_TFLITE_INTERPRETER_SESSION_H__ + +#include "Session.h" + +namespace nnfw +{ +namespace tflite +{ + +/** + * @brief Class to define TfLite interpreter session which is inherited from Session class + */ +class InterpreterSession final : public Session +{ +public: + /** + * @brief Construct a InterpreterSession object with interpreter of TfLite + * @param[in] interp The TfLite interpreter pointer + */ + InterpreterSession(::tflite::Interpreter *interp) : _interp{interp} + { + // DO NOTHING + } + +public: + /** + * @brief Get TfLite interpreter pointer + * @return The TfLite interpreter + */ + ::tflite::Interpreter *interp(void) override { return _interp; } + +public: + /** + * @brief Prepare the TfLite interpreter session + * @return @c true if tensor preparation is successful, otherwise @c false + */ + bool prepare(void) override + { + _interp->UseNNAPI(false); + + if (kTfLiteOk != _interp->AllocateTensors()) + { + return false; + } + + return true; + } + + /** + * @brief Run the Invoke function of TfLite interpreter + * @return @c true if Invoke() is successful, otherwise @c false + */ + bool run(void) override + { + // Return true if Invoke returns kTfLiteOk + return kTfLiteOk == _interp->Invoke(); + } + + /** + * @brief Tear down TfLite interpreter session + * @return @c true always + */ + bool teardown(void) override + { + // Do NOTHING currently + return true; + } + +private: + ::tflite::Interpreter *const _interp; +}; + +} // namespace tflite +} // namespace nnfw + +#endif // __NNFW_TFLITE_INTERPRETER_SESSION_H__ |