tencent cloud

import TRTC from 'trtc-sdk-v5';

const cameraList = await TRTC.getCameraList();
const micList = await TRTC.getMicrophoneList();
const speakerList = await TRTC.getSpeakerList();
const hasCameraDevice = cameraList.length > 0;
const hasMicrophoneDevice = micList.length > 0;
const hasSpeakerDevice = speakerList.length > 0;

await trtc.startLocalVideo({ publish: false });
await trtc.startLocalAudio({ publish: false });

export function isOnline() {
  const url = 'https://web.sdk.qcloud.com/trtc/webrtc/assets/trtc-logo.png';
  return new Promise((resolve) => {
    try {
      const xhr = new XMLHttpRequest();
      xhr.onload = function () {
        resolve(true);
      };
      xhr.onerror = function () {
        resolve(false);
      };
      xhr.open('GET', url, true);
      xhr.send();
    } catch (err) {
      // console.log(err);
    }
  });
}
const isOnline = await isOnline();

trtc.startLocalVideo({ view: 'camera-video', publish: false });

trtc.updateLocalVideo({
  option: { cameraId } 
});

trtc.stopLocalVideo();

trtc.startLocalAudio({ publish: false });

trtc.on(TRTC.EVENT.AUDIO_VOLUME, event => {
    event.result.forEach(({ userId, volume }) => {
        const isMe = userId === ''; // 当 userId 为空串时，代表本地麦克风音量。
        if (isMe) {
            console.log(`my volume: ${volume}`);
        } else {
            console.log(`user: ${userId} volume: ${volume}`);
        }
    })
});
// 开启音量回调，并设置每 500ms 触发一次事件
trtc.enableAudioVolumeEvaluation(500);
// 出于性能的考虑，当页面切换到后台时，SDK 不会抛出音量回调事件。如需在页面切后台时接收音量回调事件，可设置该参数为 true。
trtc.enableAudioVolumeEvaluation(500, true);
// 如需关闭音量回调，传入 interval 值小于等于0即可
trtc.enableAudioVolumeEvaluation(-1);

trtc.updateLocalAudio({ option: { microphoneId }});

trtc.stopLocalAudio();

<audio id="audio-player" src="xxxxx" controls></audio>

const audioPlayer = document.getElementById('audio-player');
if (!audioPlayer.paused) {
    audioPlayer.pause();
}
audioPlayer.currentTime = 0;