forked from huawei/mindspore2022
51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
/**
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* This is the C++ adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
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*
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* Copyright 2020 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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#include <jni.h>
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#include "common/ms_log.h"
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#include "include/model.h"
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extern "C" JNIEXPORT jlong JNICALL Java_com_mindspore_lite_Model_loadModel(JNIEnv *env, jobject thiz, jobject buffer) {
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MS_LOGD("Start getting buffer from java");
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if (buffer == nullptr) {
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MS_LOGE("Buffer from java is nullptr");
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return reinterpret_cast<jlong>(nullptr);
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}
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jlong buffer_len = env->GetDirectBufferCapacity(buffer);
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auto *model_buffer = static_cast<char *>(env->GetDirectBufferAddress(buffer));
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MS_LOGD("Start Loading model");
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auto model = mindspore::lite::Model::Import(model_buffer, buffer_len);
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// env->DeleteLocalRef(*(jobject *)model_buffer);
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if (model == nullptr) {
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MS_LOGE("Import model failed");
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return reinterpret_cast<jlong>(nullptr);
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}
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return reinterpret_cast<jlong>(model);
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}
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extern "C" JNIEXPORT void JNICALL Java_com_mindspore_lite_Model_free(JNIEnv *env, jobject thiz, jlong model_ptr) {
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auto *pointer = reinterpret_cast<void *>(model_ptr);
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if (pointer == nullptr) {
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MS_LOGE("Model pointer from java is nullptr");
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return;
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}
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auto *lite_model_ptr = static_cast<mindspore::lite::Model *>(pointer);
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delete (lite_model_ptr);
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}
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