169 lines
4.2 KiB
JavaScript
169 lines
4.2 KiB
JavaScript
/**
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* 配置
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*/
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const config = {
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// 信令配置
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signal: {
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// 信令版本
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version : "1.0.0",
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// 终端类型
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clientType: "WEB",
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}
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}
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/**
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* 音频默认配置
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* 配置：{ min: 8000, exact: 32000, ideal: 32000, max: 48000 }
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*
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* https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackSettings
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*/
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const defaultAudioConfig = {
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// 指定设备
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// deviceId : '',
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// 标识会话
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// groupId : '',
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// 音量（废弃）：0.0~1.0
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// volume : 1.0,
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// 延迟时间（单位：秒）：500毫秒以内较好
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// latency : 0.4,
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// 采样位数：8|16|32
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sampleSize : { min: 8, ideal: 16, max: 32 },
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// 采样率：8000|16000|32000|48000
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sampleRate : { min: 8000, ideal: 32000, max: 48000 },
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// 声道数量：1|2
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channelCount : 1,
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// 是否开启自动增益：true|false
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autoGainControl : true,
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// 是否开启降噪功能：true|false
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noiseSuppression: true,
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// 是否开启回音消除：true|false
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echoCancellation: true,
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};
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/**
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* 视频默认配置
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* 配置：{ min: 8000, exact: 32000, ideal: 32000, max: 48000 }
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*
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* https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackSettings
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*/
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const defaultVideoConfig = {
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// 指定设备
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// deviceId : '',
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// 标识会话
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// groupId : '',
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// 宽度
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width : { min: 720, ideal: 1280, max: 4096 },
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// 高度
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height : { min: 480, ideal: 720, max: 2160 },
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// 帧率
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frameRate : { min: 15, ideal: 24, max: 45 },
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// 摄像头：user|left|right|environment
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facingMode : "environment",
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// 裁剪
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// resizeMode : null,
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// 宽高比
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// aspectRatio: 1.7777777778,
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};
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/**
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* 共享屏幕默认配置
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*
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* https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackSettings
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*/
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const defaultShareScreenConfig = {
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// 显示鼠标：always|motion|never
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cursor : "always",
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// 逻辑窗口捕获（没有完全显示）
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logicalSurface: true,
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// 视频来源：window|monitor|browser|application
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displaySurface: "monitor",
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}
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/**
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* SVC默认配置
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* 支持编码：VP9
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*
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* https://w3c.github.io/webrtc-svc/
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* https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/
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* https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/#SVC
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*/
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const defaultSvcEncodings = [
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{
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dtx : true,
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maxBitrate : 5000000,
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scalabilityMode: 'L3T3_KEY'
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}
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];
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/**
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* Simulcast默认配置
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* 支持编码：VP8 H264
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* 可以根据数量减少配置数量
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* dtx：屏幕贡献开启效果显著
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*
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* https://w3c.github.io/webrtc-svc/
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* https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/
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* https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/#Simulcast
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*/
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const defaultSimulcastEncodings = [
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{
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dtx : true,
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maxBitrate : 5000000,
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scalabilityMode : 'L1T3',
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scaleResolutionDownBy: 1,
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},
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{
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dtx : true,
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maxBitrate : 1000000,
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scalabilityMode : 'L1T3',
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scaleResolutionDownBy: 2,
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},
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{
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dtx : true,
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maxBitrate : 500000,
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scalabilityMode : 'L1T3',
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scaleResolutionDownBy: 4,
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},
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];
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/**
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* RTCPeerConnection默认配置
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*
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* https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/RTCPeerConnection
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*/
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const defaultRTCPeerConnectionConfig = {
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// ICE代理服务器
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iceServers : [
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{
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// { "url": "stun:stun1.l.google.com:19302" },
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urls: [
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"stun:stun1.l.google.com:19302",
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"stun:stun2.l.google.com:19302",
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"stun:stun3.l.google.com:19302",
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"stun:stun4.l.google.com:19302"
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]
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}
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],
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// 目标对等身份
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// peerIdentity : null,
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// 传输通道绑定策略：balanced|max-compat|max-bundle
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bundlePolicy : "balanced",
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// RTCP多路复用策略：require|negotiate
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rtcpMuxPolicy : "require",
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// 连接证书
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// certificates : null,
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// ICE传输策略：all|relay
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iceTransportPolicy : "all",
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// ICE候选个数
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iceCandidatePoolSize: 8,
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};
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export {
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config,
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defaultAudioConfig,
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defaultVideoConfig,
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defaultShareScreenConfig,
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defaultSvcEncodings,
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defaultSimulcastEncodings,
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defaultRTCPeerConnectionConfig,
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};
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