1/* 2 * Copyright (c) 2023 Hunan OpenValley Digital Industry Development 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 */ 15import worker, { MessageEvents } from '@ohos.worker'; 16import AudioCapturerHelper from '../audio/AudioCapturerHelper'; 17import Constants from '../Constants'; 18import Logger from '../utils/Logger'; 19 20let parent = worker.workerPort; 21let mCapturer: AudioCapturerHelper = new AudioCapturerHelper(); 22 23// 处理来自主线程的消息 24parent.onmessage = (message: MessageEvents) => { 25 Logger.info(`mAudioCapturer message from worker: ${message.data.code}`); 26 27 let messageId: number = message.data.code; 28 if (messageId === Constants.WORK_MESSAGE_CAPTURER_START) { 29 //开始录音 30 start(); 31 } else if (messageId === Constants.WORK_MESSAGE_CAPTURER_STOP) { 32 //结束录音 33 stop(); 34 } 35}; 36 37async function start(): Promise<void> { 38 await mCapturer.init(); 39 await mCapturer.start((buffer: ArrayBuffer, size: number) => { 40 parent.postMessage({ 41 'code': Constants.WORK_MESSAGE_CAPTURER_SEND, 42 'buffer': buffer 43 }, [buffer]); 44 }); 45} 46 47async function stop(): Promise<void> { 48 await mCapturer.stop(); 49 await mCapturer.release(); 50} 51 52