1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include <cstdio> 17 #include <iostream> 18 #include <memory> 19 20 #include "kws_manager.h" 21 22 using namespace std; 23 using namespace KWS; 24 SampleHelp()25static void SampleHelp() 26 { 27 printf("****************************************\n"); 28 printf("Select the behavior of KWS app.\n"); 29 printf("s: AudioCap (Press q to quit)\n"); 30 printf("q: quit the sample.\n"); 31 printf("****************************************\n"); 32 } 33 main()34int main() 35 { 36 printf("Keyword spotting started.\n"); 37 SampleHelp(); 38 39 shared_ptr<KwsManager> kwsMgr = make_shared<KwsManager>(AUDIO_SAMPLE_RATE, AUDIO_CODEC_BITRATE); 40 if (kwsMgr == nullptr) { 41 printf("Keyword spotting failed to allocate KWSManager.\n"); 42 return -1; 43 } 44 if (!kwsMgr->Prepare()) { 45 printf("Keyword spotting failed to prepare KWSManager.\n"); 46 return -1; 47 } 48 char input = ' '; 49 while (cin >> input) { 50 switch (input) { 51 case 's': 52 kwsMgr->Start(); 53 break; 54 case 'q': 55 kwsMgr->Stop(); 56 printf("Keyword spotting Terminated.\n"); 57 return 0; 58 default: 59 SampleHelp(); 60 break; 61 } 62 } 63 return 0; 64 }