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Diffstat (limited to 'source/use_case/kws/src/MainLoop.cc')
| -rw-r--r-- | source/use_case/kws/src/MainLoop.cc | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/source/use_case/kws/src/MainLoop.cc b/source/use_case/kws/src/MainLoop.cc new file mode 100644 index 0000000..24cb939 --- /dev/null +++ b/source/use_case/kws/src/MainLoop.cc @@ -0,0 +1,112 @@ +/* + * Copyright (c) 2021 Arm Limited. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 + * + * 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. + */ +#include "InputFiles.hpp" /* For input audio clips. */ +#include "Classifier.hpp" /* Classifier. */ +#include "DsCnnModel.hpp" /* Model class for running inference. */ +#include "hal.h" /* Brings in platform definitions. */ +#include "Labels.hpp" /* For label strings. */ +#include "UseCaseHandler.hpp" /* Handlers for different user options. */ +#include "UseCaseCommonUtils.hpp" /* Utils functions. */ + +using KwsClassifier = arm::app::Classifier; + +enum opcodes +{ + MENU_OPT_RUN_INF_NEXT = 1, /* Run on next vector. */ + MENU_OPT_RUN_INF_CHOSEN, /* Run on a user provided vector index. */ + MENU_OPT_RUN_INF_ALL, /* Run inference on all. */ + MENU_OPT_SHOW_MODEL_INFO, /* Show model info. */ + MENU_OPT_LIST_AUDIO_CLIPS /* List the current baked audio clips. */ +}; + +static void DisplayMenu() +{ + printf("\n\nUser input required\n"); + printf("Enter option number from:\n\n"); + printf(" %u. Classify next audio clip\n", MENU_OPT_RUN_INF_NEXT); + printf(" %u. Classify audio clip at chosen index\n", MENU_OPT_RUN_INF_CHOSEN); + printf(" %u. Run classification on all audio clips\n", MENU_OPT_RUN_INF_ALL); + printf(" %u. Show NN model info\n", MENU_OPT_SHOW_MODEL_INFO); + printf(" %u. List audio clips\n\n", MENU_OPT_LIST_AUDIO_CLIPS); + printf(" Choice: "); +} + +void main_loop(hal_platform& platform) +{ + arm::app::DsCnnModel model; /* Model wrapper object. */ + + /* Load the model. */ + if (!model.Init()) { + printf_err("Failed to initialise model\n"); + return; + } + + /* Instantiate application context. */ + arm::app::ApplicationContext caseContext; + + caseContext.Set<hal_platform&>("platform", platform); + caseContext.Set<arm::app::Model&>("model", model); + caseContext.Set<uint32_t>("clipIndex", 0); + caseContext.Set<int>("frameLength", g_FrameLength); + caseContext.Set<int>("frameStride", g_FrameStride); + caseContext.Set<float>("scoreThreshold", g_ScoreThreshold); /* Normalised score threshold. */ + + KwsClassifier classifier; /* classifier wrapper object. */ + caseContext.Set<arm::app::Classifier&>("classifier", classifier); + + std::vector <std::string> labels; + GetLabelsVector(labels); + + caseContext.Set<const std::vector <std::string>&>("labels", labels); + + bool executionSuccessful = true; + constexpr bool bUseMenu = NUMBER_OF_FILES > 1 ? true : false; + + /* Loop. */ + do { + int menuOption = MENU_OPT_RUN_INF_NEXT; + if (bUseMenu) { + DisplayMenu(); + menuOption = arm::app::ReadUserInputAsInt(platform); + printf("\n"); + } + switch (menuOption) { + case MENU_OPT_RUN_INF_NEXT: + executionSuccessful = ClassifyAudioHandler(caseContext, caseContext.Get<uint32_t>("clipIndex"), false); + break; + case MENU_OPT_RUN_INF_CHOSEN: { + printf(" Enter the audio clip index [0, %d]: ", NUMBER_OF_FILES-1); + auto clipIndex = static_cast<uint32_t>(arm::app::ReadUserInputAsInt(platform)); + executionSuccessful = ClassifyAudioHandler(caseContext, clipIndex, false); + break; + } + case MENU_OPT_RUN_INF_ALL: + executionSuccessful = ClassifyAudioHandler(caseContext,caseContext.Get<uint32_t>("clipIndex"), true); + break; + case MENU_OPT_SHOW_MODEL_INFO: + executionSuccessful = model.ShowModelInfoHandler(); + break; + case MENU_OPT_LIST_AUDIO_CLIPS: + executionSuccessful = ListFilesHandler(caseContext); + break; + default: + printf("Incorrect choice, try again."); + break; + } + } while (executionSuccessful && bUseMenu); + info("Main loop terminated.\n"); +}
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