TangSengDaoDaoWeb/apps/web/public/owt-min.js

/*
 * Intel WebRTC SDK version 4.3.1
 * Copyright (c) 2023 Intel <http://webrtc.intel.com>
 * Homepage: http://webrtc.intel.com
 */



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Object.defineProperty(l(l(i)),"mediaStream",{configurable:!1,writable:!0,value:e}),Object.defineProperty(l(l(i)),"source",{configurable:!1,writable:!1,value:n}),Object.defineProperty(l(l(i)),"attributes",{configurable:!0,writable:!1,value:r}),i}return u(t,i.EventDispatcher),t}();n.Stream=h;var v=function(e){function t(e,n,r){var i;if(f(this,t),!(e instanceof MediaStream))throw new TypeError("Invalid stream.");return i=s(this,c(t).call(this,e,n,r)),Object.defineProperty(l(l(i)),"id",{configurable:!1,writable:!1,value:o.createUuid()}),i}return u(t,h),t}();n.LocalStream=v;var m=function(e){function t(e,n,r,i,a){var u;return f(this,t),u=s(this,c(t).call(this,r,i,a)),Object.defineProperty(l(l(u)),"id",{configurable:!1,writable:!1,value:e||o.createUuid()}),Object.defineProperty(l(l(u)),"origin",{configurable:!1,writable:!1,value:n}),u.settings=void 0,u.extraCapabilities=void 0,u}return u(t,h),t}();n.RemoteStream=m;var _=function(e){function t(e,n){var r;return f(this,t),(r=s(this,c(t).call(this,e))).stream=n.stream,r}return u(t,i.OwtEvent),t}();n.StreamEvent=_},{"./event.js":3,"./logger.js":5,"./utils.js":11}],11:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.isFirefox=function(){return null!==window.navigator.userAgent.match("Firefox")},n.isChrome=function(){return null!==window.navigator.userAgent.match("Chrome")},n.isSafari=i,n.isTauri=function(){return window.__TAURI_IPC__},n.isEdge=function(){return null!==window.navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)},n.createUuid=function(){return"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".replace(/[xy]/g,function(e){var t=16*Math.random()|0,n="x"===e?t:3&t|8;return n.toString(16)})},n.sysInfo=function(){var e=Object.create({});e.sdk={version:r,type:"JavaScript"};var t=navigator.userAgent,n=/Chrome\/([0-9\.]+)/.exec(t);n?e.runtime={name:"Chrome",version:n[1]}:(n=/Firefox\/([0-9\.]+)/.exec(t))?e.runtime={name:"Firefox",version:n[1]}:(n=/Edge\/([0-9\.]+)/.exec(t))?e.runtime={name:"Edge",version:n[1]}:i()?(n=/Version\/([0-9\.]+) Safari/.exec(t),e.runtime={name:"Safari"},e.runtime.version=n?n[1]:"Unknown"):e.runtime={name:"Unknown",version:"Unknown"};(n=/Windows NT ([0-9\.]+)/.exec(t))?e.os={name:"Windows NT",version:n[1]}:(n=/Intel Mac OS X ([0-9_\.]+)/.exec(t))?e.os={name:"Mac OS X",version:n[1].replace(/_/g,".")}:(n=/iPhone OS ([0-9_\.]+)/.exec(t))?e.os={name:"iPhone OS",version:n[1].replace(/_/g,".")}:(n=/X11; Linux/.exec(t))?e.os={name:"Linux",version:"Unknown"}:(n=/Android( ([0-9\.]+))?/.exec(t))?e.os={name:"Android",version:n[1]||"Unknown"}:(n=/CrOS/.exec(t))?e.os={name:"Chrome OS",version:"Unknown"}:e.os={name:"Unknown",version:"Unknown"};return 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0,r._signaling=n,r._pc=null,r._internalId=null,r._pendingCandidates=[],r._subscribePromise=null,r._publishPromise=null,r._subscribedStream=null,r._publishedStream=null,r._publication=null,r._subscription=null,r._disconnectTimer=null,r._ended=!1,r._stopped=!1,r}var n,r,f;return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&_(e,t)}(t,o.EventDispatcher),n=t,(r=[{key:"onMessage",value:function(e,t){switch(e){case"progress":"soac"===t.status?this._sdpHandler(t.data):"ready"===t.status?this._readyHandler():"error"===t.status&&this._errorHandler(t.data);break;case"stream":this._onStreamEvent(t);break;default:i.default.warning("Unknown notification from MCU.")}}},{key:"publish",value:function(e,t,n){var r=this;if(void 0===t&&(t={audio:!!e.mediaStream.getAudioTracks().length,video:!!e.mediaStream.getVideoTracks().length}),"object"!==p(t))return Promise.reject(new TypeError("Options should be an object."));if(this._isRtpEncodingParameters(t.audio)&&this._isOwtEncodingParameters(t.video)||this._isOwtEncodingParameters(t.audio)&&this._isRtpEncodingParameters(t.video))return Promise.reject(new u.ConferenceError("Mixing RTCRtpEncodingParameters and AudioEncodingParameters/VideoEncodingParameters is not allowed."));if(void 0===t.audio&&(t.audio=!!e.mediaStream.getAudioTracks().length),void 0===t.video&&(t.video=!!e.mediaStream.getVideoTracks().length),t.audio&&!e.mediaStream.getAudioTracks().length||t.video&&!e.mediaStream.getVideoTracks().length)return Promise.reject(new u.ConferenceError("options.audio/video is inconsistent with tracks presented in the MediaStream."));if(!(!1!==t.audio&&null!==t.audio||!1!==t.video&&null!==t.video))return Promise.reject(new u.ConferenceError("Cannot publish a stream without audio and video."));if("object"===p(t.audio)){if(!Array.isArray(t.audio))return Promise.reject(new TypeError("options.audio should be a boolean or an array."));var a=!0,s=!1,c=void 0;try{for(var l,f=t.audio[Symbol.iterator]();!(a=(l=f.next()).done);a=!0){var h=l.value;if(!h.codec||"string"!=typeof h.codec.name||void 0!==h.maxBitrate&&"number"!=typeof h.maxBitrate)return Promise.reject(new TypeError("options.audio has incorrect parameters."))}}catch(e){s=!0,c=e}finally{try{a||null==f.return||f.return()}finally{if(s)throw c}}}if("object"===p(t.video)&&!Array.isArray(t.video))return Promise.reject(new TypeError("options.video should be a boolean or an array."));if(this._isOwtEncodingParameters(t.video)){var v=!0,m=!1,_=void 0;try{for(var g,b=t.video[Symbol.iterator]();!(v=(g=b.next()).done);v=!0){var y=g.value;if(!y.codec||"string"!=typeof y.codec.name||void 0!==y.maxBitrate&&"number"!=typeof y.maxBitrate||void 0!==y.codec.profile&&"string"!=typeof y.codec.profile)return Promise.reject(new TypeError("options.video has incorrect parameters."))}}catch(e){m=!0,_=e}finally{try{v||null==b.return||b.return()}finally{if(m)throw _}}}this._options=t;var S={};if(this._createPeerConnection(),e.mediaStream.getAudioTracks().length>0&&!1!==t.audio&&null!==t.audio){if(e.mediaStream.getAudioTracks().length>1&&i.default.warning("Publishing a stream with multiple audio tracks is not fully supported."),"boolean"!=typeof t.audio&&"object"!==p(t.audio))return Promise.reject(new u.ConferenceError("Type of audio options should be boolean or an object."));S.audio={},S.audio.source=e.source.audio}else S.audio=!1;if(e.mediaStream.getVideoTracks().length>0&&!1!==t.video&&null!==t.video){e.mediaStream.getVideoTracks().length>1&&i.default.warning("Publishing a stream with multiple video tracks is not fully supported."),S.video={},S.video.source=e.source.video;var P=e.mediaStream.getVideoTracks()[0].getSettings();S.video.parameters={resolution:{width:P.width,height:P.height},framerate:P.frameRate}}else S.video=!1;return this._publishedStream=e,this._signaling.sendSignalingMessage("publish",{media:S,attributes:e.attributes}).then(function(i){var a=new o.MessageEvent("id",{message:i.id,origin:r._remoteId});r.dispatchEvent(a),r._internalId=i.id;var s={};if("function"==typeof r._pc.addTransceiver){var c=Promise.resolve();if(S.audio&&e.mediaStream.getAudioTracks().length>0){var u={direction:"sendonly"};r._isRtpEncodingParameters(t.audio)&&(u.sendEncodings=t.audio);var l=r._pc.addTransceiver(e.mediaStream.getAudioTracks()[0],u);if(d.isFirefox()){var f=l.sender.getParameters();f.encodings=u.sendEncodings,c=l.sender.setParameters(f)}}if(S.video&&e.mediaStream.getVideoTracks().length>0){var p={direction:"sendonly"};r._isRtpEncodingParameters(t.video)&&(p.sendEncodings=t.video,r._videoCodecs=n);var h=r._pc.addTransceiver(e.mediaStream.getVideoTracks()[0],p);if(d.isFirefox()){var v=h.sender.getParameters();v.encodings=p.sendEncodings,c=c.then(function(){return h.sender.setParameters(v)})}}return c.then(function(){return s})}if(S.audio&&e.mediaStream.getAudioTracks().length>0){var m=!0,_=!1,g=void 0;try{for(var b,y=e.mediaStream.getAudioTracks()[Symbol.iterator]();!(m=(b=y.next()).done);m=!0){var P=b.value;r._pc.addTrack(P,e.mediaStream)}}catch(e){_=!0,g=e}finally{try{m||null==y.return||y.return()}finally{if(_)throw g}}}if(S.video&&e.mediaStream.getVideoTracks().length>0){var w=!0,O=!1,E=void 0;try{for(var j,C=e.mediaStream.getVideoTracks()[Symbol.iterator]();!(w=(j=C.next()).done);w=!0){var T=j.value;r._pc.addTrack(T,e.mediaStream)}}catch(e){O=!0,E=e}finally{try{w||null==C.return||C.return()}finally{if(O)throw E}}}return s.offerToReceiveAudio=!1,s.offerToReceiveVideo=!1,s}).then(function(e){var n;r._pc.createOffer(e).then(function(e){return t&&(e.sdp=r._setRtpReceiverOptions(e.sdp,t)),e}).then(function(e){return n=e,r._pc.setLocalDescription(e)}).then(function(){r._signaling.sendSignalingMessage("soac",{id:r._internalId,signaling:n})}).catch(function(e){i.default.error("Failed to create offer or set SDP. Message: "+e.message),r._unpublish(),r._rejectPromise(e),r._fireEndedEventOnPublicationOrSubscription()})}).catch(function(e){r._unpublish(),r._rejectPromise(e),r._fireEndedEventOnPublicationOrSubscription()}),new Promise(function(e,t){r._publishPromise={resolve:e,reject:t}})}},{key:"subscribe",value:function(e,t){var n=this;if(void 0===t&&(t={audio:!!e.settings.audio,video:!!e.settings.video}),"object"!==p(t))return Promise.reject(new TypeError("Options should be an object."));if(void 0===t.audio&&(t.audio=!!e.settings.audio),void 0===t.video&&(t.video=!!e.settings.video),void 0!==t.audio&&"object"!==p(t.audio)&&"boolean"!=typeof t.audio&&null!==t.audio||void 0!==t.video&&"object"!==p(t.video)&&"boolean"!=typeof t.video&&null!==t.video)return Promise.reject(new TypeError("Invalid options type."));if(t.audio&&!e.settings.audio||t.video&&!e.settings.video)return Promise.reject(new u.ConferenceError("options.audio/video cannot be true or an object if there is no audio/video track in remote stream."));if(!1===t.audio&&!1===t.video)return Promise.reject(new u.ConferenceError("Cannot subscribe a stream without audio and video."));this._options=t;var r={};if(t.audio){if("object"===p(t.audio)&&Array.isArray(t.audio.codecs)&&0===t.audio.codecs.length)return Promise.reject(new TypeError("Audio codec cannot be an empty array."));r.audio={},r.audio.from=e.id}else r.audio=!1;if(t.video){if("object"===p(t.video)&&Array.isArray(t.video.codecs)&&0===t.video.codecs.length)return Promise.reject(new TypeError("Video codec cannot be an empty array."));r.video={},r.video.from=e.id,(t.video.resolution||t.video.frameRate||t.video.bitrateMultiplier&&1!==t.video.bitrateMultiplier||t.video.keyFrameInterval)&&(r.video.parameters={resolution:t.video.resolution,framerate:t.video.frameRate,bitrate:t.video.bitrateMultiplier?"x"+t.video.bitrateMultiplier.toString():void 0,keyFrameInterval:t.video.keyFrameInterval}),t.video.rid&&(r.video.simulcastRid=t.video.rid,delete r.video.parameters,t.video=!0)}else r.video=!1;return this._subscribedStream=e,this._signaling.sendSignalingMessage("subscribe",{media:r}).then(function(e){var a=new o.MessageEvent("id",{message:e.id,origin:n._remoteId});n.dispatchEvent(a),n._internalId=e.id,n._createPeerConnection();var s={};"function"==typeof n._pc.addTransceiver?(r.audio&&n._pc.addTransceiver("audio",{direction:"recvonly"}),r.video&&n._pc.addTransceiver("video",{direction:"recvonly"})):(s.offerToReceiveAudio=!!t.audio,s.offerToReceiveVideo=!!t.video),n._pc.createOffer(s).then(function(e){t&&(e.sdp=n._setRtpReceiverOptions(e.sdp,t)),n._pc.setLocalDescription(e).then(function(){n._signaling.sendSignalingMessage("soac",{id:n._internalId,signaling:e})},function(e){i.default.error("Set local description failed. Message: "+JSON.stringify(e))})},function(e){i.default.error("Create offer failed. Error info: "+JSON.stringify(e))}).catch(function(e){i.default.error("Failed to create offer or set SDP. Message: "+e.message),n._unsubscribe(),n._rejectPromise(e),n._fireEndedEventOnPublicationOrSubscription()})}).catch(function(e){n._unsubscribe(),n._rejectPromise(e),n._fireEndedEventOnPublicationOrSubscription()}),new Promise(function(e,t){n._subscribePromise={resolve:e,reject:t}})}},{key:"_unpublish",value:function(){this._stopped||(this._stopped=!0,this._signaling.sendSignalingMessage("unpublish",{id:this._internalId}).catch(function(e){i.default.warning("MCU returns negative ack for unpublishing, "+e)}),this._pc&&"closed"!==this._pc.signalingState&&this._pc.close())}},{key:"_unsubscribe",value:function(){this._stopped||(this._stopped=!0,this._signaling.sendSignalingMessage("unsubscribe",{id:this._internalId}).catch(function(e){i.default.warning("MCU returns negative ack for unsubscribing, "+e)}),this._pc&&"closed"!==this._pc.signalingState&&this._pc.close())}},{key:"_muteOrUnmute",value:function(e,t,n){var r=this,i=t?"stream-control":"subscription-control",a=e?"pause":"play";return this._signaling.sendSignalingMessage(i,{id:this._internalId,operation:a,data:n}).then(function(){if(!t){var i=e?"mute":"unmute";r._subscription.dispatchEvent(new o.MuteEvent(i,{kind:n}))}})}},{key:"_applyOptions",value:function(e){if("object"!==p(e)||"object"!==p(e.video))return Promise.reject(new u.ConferenceError("Options should be an object."));var t={};return t.resolution=e.video.resolution,t.framerate=e.video.frameRate,t.bitrate=e.video.bitrateMultiplier?"x"+e.video.bitrateMultiplier.toString():void 0,t.keyFrameInterval=e.video.keyFrameInterval,this._signaling.sendSignalingMessage("subscription-control",{id:this._internalId,operation:"update",data:{video:{parameters:t}}}).then()}},{key:"_onRemoteStreamAdded",value:function(e){i.default.debug("Remote stream added."),this._subscribedStream?this._subscribedStream.mediaStream=e.streams[0]:i.default.warning("Received remote stream without subscription.")}},{key:"_onLocalIceCandidate",value:function(e){e.candidate?"stable"!==this._pc.signalingState?this._pendingCandidates.push(e.candidate):this._sendCandidate(e.candidate):i.default.debug("Empty candidate.")}},{key:"_fireEndedEventOnPublicationOrSubscription",value:function(){if(!this._ended){this._ended=!0;var e=new o.OwtEvent("ended");this._publication?(this._publication.dispatchEvent(e),this._publication.stop()):this._subscription&&(this._subscription.dispatchEvent(e),this._subscription.stop())}}},{key:"_rejectPromise",value:function(e){if(!e)new u.ConferenceError("Connection failed or closed.");this._publishPromise?(this._publishPromise.reject(e),this._publishPromise=void 0):this._subscribePromise&&(this._subscribePromise.reject(e),this._subscribePromise=void 0)}},{key:"_onIceConnectionStateChange",value:function(e){e&&e.currentTarget&&(i.default.debug("ICE connection state changed to "+e.currentTarget.iceConnectionState),"closed"!==e.currentTarget.iceConnectionState&&"failed"!==e.currentTarget.iceConnectionState||("failed"===e.currentTarget.iceConnectionState?this._handleError("connection failed."):this._fireEndedEventOnPublicationOrSubscription()))}},{key:"_onConnectionStateChange",value:function(e){"closed"!==this._pc.connectionState&&"failed"!==this._pc.connectionState||("failed"===this._pc.connectionState?this._handleError("connection failed."):this._fireEndedEventOnPublicationOrSubscription())}},{key:"_sendCandidate",value:function(e){this._signaling.sendSignalingMessage("soac",{id:this._internalId,signaling:{type:"candidate",candidate:{candidate:"a="+e.candidate,sdpMid:e.sdpMid,sdpMLineIndex:e.sdpMLineIndex}}})}},{key:"_createPeerConnection",value:function(){var e=this,t=this._config.rtcConfiguration||{};d.isChrome()&&(t.sdpSemantics="unified-plan"),this._pc=new RTCPeerConnection(t),this._pc.onicecandidate=function(t){e._onLocalIceCandidate.apply(e,[t])},this._pc.ontrack=function(t){e._onRemoteStreamAdded.apply(e,[t])},this._pc.oniceconnectionstatechange=function(t){e._onIceConnectionStateChange.apply(e,[t])},this._pc.onconnectionstatechange=function(t){e._onConnectionStateChange.apply(e,[t])}}},{key:"_getStats",value:function(){return this._pc?this._pc.getStats():Promise.reject(new u.ConferenceError("PeerConnection is not available."))}},{key:"_readyHandler",value:function(){var e=this;this._subscribePromise?(this._subscription=new c.Subscription(this._internalId,function(){e._unsubscribe()},function(){return e._getStats()},function(t){return e._muteOrUnmute(!0,!1,t)},function(t){return e._muteOrUnmute(!1,!1,t)},function(t){return e._applyOptions(t)}),this._subscribedStream.addEventListener("ended",function(){e._subscription.dispatchEvent("ended",new o.OwtEvent("ended"))}),this._subscribePromise.resolve(this._subscription)):this._publishPromise&&(this._publication=new s.Publication(this._internalId,function(){return e._unpublish(),Promise.resolve()},function(){return e._getStats()},function(t){return e._muteOrUnmute(!0,!0,t)},function(t){return e._muteOrUnmute(!1,!0,t)}),this._publishPromise.resolve(this._publication)),this._publishPromise=null,this._subscribePromise=null}},{key:"_sdpHandler",value:function(e){var t=this;"answer"===e.type&&((this._publication||this._publishPromise)&&this._options&&(e.sdp=this._setRtpSenderOptions(e.sdp,this._options)),this._pc.setRemoteDescription(e).then(function(){if(t._pendingCandidates.length>0){var e=!0,n=!1,r=void 0;try{for(var i,o=t._pendingCandidates[Symbol.iterator]();!(e=(i=o.next()).done);e=!0){var a=i.value;t._sendCandidate(a)}}catch(e){n=!0,r=e}finally{try{e||null==o.return||o.return()}finally{if(n)throw r}}}},function(e){i.default.error("Set remote description failed: 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ended.")):Promise.all([this._sendClosedMsgIfNecessary(),this._sendSysInfoIfNecessary(),this._sendStreamInfo(e)]).then(function(){return new Promise(function(n,r){var i=!0,o=!1,a=void 0;try{for(var s,c=e.mediaStream.getTracks()[Symbol.iterator]();!(i=(s=c.next()).done);i=!0){var u=s.value;t._pc.addTrack(u,e.mediaStream)}}catch(e){o=!0,a=e}finally{try{i||null==c.return||c.return()}finally{if(o)throw a}}t._onNegotiationneeded(),t._publishingStreams.push(e);var d=Array.from(e.mediaStream.getTracks(),function(e){return e.id});t._publishingStreamTracks.set(e.mediaStream.id,d),t._publishPromises.set(e.mediaStream.id,{resolve:n,reject:r})})}):Promise.reject(new TypeError("Invalid stream."))}},{key:"send",value:function(e){var t=this;if("string"!=typeof e)return Promise.reject(new TypeError("Invalid message."));var n={id:this._dataSeq++,data:e},r=new Promise(function(e,r){t._sendDataPromises.set(n.id,{resolve:e,reject:r})});return this._dataChannels.has(w)||this._createDataChannel(w),this._sendClosedMsgIfNecessary().catch(function(e){i.default.debug("Failed to send closed message."+e.message)}),this._sendSysInfoIfNecessary().catch(function(e){i.default.debug("Failed to send sysInfo."+e.message)}),"open"===this._dataChannels.get(w).readyState?this._dataChannels.get(w).send(JSON.stringify(n)):this._pendingMessages.push(n),r}},{key:"stop",value:function(){this._stop(void 0,!0)}},{key:"getStats",value:function(e){var t=this;if(this._pc){if(void 0===e)return this._pc.getStats();var n=[];return Promise.all([e.getTracks().forEach(function(e){t._getStats(e,n)})]).then(function(){return new Promise(function(e,t){e(n)})})}return Promise.reject(new c.P2PError(c.errors.P2P_CLIENT_INVALID_STATE))}},{key:"_getStats",value:function(e,t){return this._pc.getStats(e).then(function(e){t.push(e)})}},{key:"onMessage",value:function(e){this._SignalingMesssageHandler(e)}},{key:"_sendSdp",value:function(e){return this._signaling.sendSignalingMessage(this._remoteId,C,e)}},{key:"_sendSignalingMessage",value:function(e,t){return this._signaling.sendSignalingMessage(this._remoteId,e,t)}},{key:"_SignalingMesssageHandler",value:function(e){switch(i.default.debug("Channel received message: "+e),e.type){case R:this._handleRemoteCapability(e.data),this._sendSysInfoIfNecessary();break;case E:this._trackSourcesHandler(e.data);break;case j:this._streamInfoHandler(e.data);break;case C:this._sdpHandler(e.data);break;case T:this._tracksAddedHandler(e.data);break;case I:this._tracksRemovedHandler(e.data);break;case k:this._dataReceivedHandler(e.data);break;case O:this._chatClosedHandler(e.data);break;default:i.default.error("Invalid signaling message received. Type: "+e.type)}}},{key:"_tracksAddedHandler",value:function(e){var t=this,n=!0,r=!1,s=void 0;try{for(var u,d=function(){var e=u.value;t._publishingStreamTracks.forEach(function(n,r){for(var s=0;s<n.length;s++){if(n[s]===e&&(t._publishedStreamTracks.has(r)||t._publishedStreamTracks.set(r,[]),t._publishedStreamTracks.get(r).push(n[s]),n.splice(s,1)),0==n.length)if("continue"===function(){if(!t._publishPromises.has(r))return i.default.warning("Cannot find the promise for publishing "+r),"continue";var n=t._publishingStreams.findIndex(function(e){return e.mediaStream.id==r}),s=t._publishingStreams[n];t._publishingStreams.splice(n,1);var u=new a.Publication(e,function(){t._unpublish(s).then(function(){u.dispatchEvent(new o.OwtEvent("ended"))},function(e){i.default.debug("Something wrong happened during stopping a publication. "+e.message)})},function(){return s&&s.mediaStream?t.getStats(s.mediaStream):Promise.reject(new c.P2PError(c.errors.P2P_CLIENT_INVALID_STATE,"Publication is not available."))});t._publishedStreams.set(s,u),t._publishPromises.get(r).resolve(u),t._publishPromises.delete(r)}())continue}})},l=e[Symbol.iterator]();!(n=(u=l.next()).done);n=!0)d()}catch(e){r=!0,s=e}finally{try{n||null==l.return||l.return()}finally{if(r)throw s}}}},{key:"_tracksRemovedHandler",value:function(e){var t=this,n=!0,r=!1,i=void 0;try{for(var o,a=function(){var e=o.value;t._publishedStreamTracks.forEach(function(t,n){for(var r=0;r<t.length;r++)t[r]===e&&t.splice(r,1)})},s=e[Symbol.iterator]();!(n=(o=s.next()).done);n=!0)a()}catch(e){r=!0,i=e}finally{try{n||null==s.return||s.return()}finally{if(r)throw i}}}},{key:"_dataReceivedHandler",value:function(e){this._sendDataPromises.has(e)?this._sendDataPromises.get(e).resolve():i.default.warning("Received unknown data received message. ID: "+e)}},{key:"_sdpHandler",value:function(e){"offer"===e.type?this._onOffer(e):"answer"===e.type?this._onAnswer(e):"candidates"===e.type&&this._onRemoteIceCandidate(e)}},{key:"_trackSourcesHandler",value:function(e){var t=!0,n=!1,r=void 0;try{for(var i,o=e[Symbol.iterator]();!(t=(i=o.next()).done);t=!0){var a=i.value;this._remoteTrackSourceInfo.set(a.id,a.source)}}catch(e){n=!0,r=e}finally{try{t||null==o.return||o.return()}finally{if(n)throw r}}}},{key:"_streamInfoHandler",value:function(e){e?this._remoteStreamInfo.set(e.id,{source:e.source,attributes:e.attributes,stream:null,mediaStream:null,trackIds:e.tracks}):i.default.warning("Unexpected stream info.")}},{key:"_chatClosedHandler",value:function(e){this._disposed=!0,this._stop(e,!1)}},{key:"_onOffer",value:function(e){var t=this;i.default.debug("About to set remote description. Signaling state: "+this._pc.signalingState),e.sdp=this._setRtpSenderOptions(e.sdp,this._config),s.isFirefox()&&(e.sdp=this._setCodecOrder(e.sdp));var n=new RTCSessionDescription(e);this._pc.setRemoteDescription(n).then(function(){t._createAndSendAnswer()},function(e){i.default.debug("Set remote description failed. Message: "+e.message),t._stop(e,!0)})}},{key:"_onAnswer",value:function(e){var t=this;i.default.debug("About to set remote description. Signaling state: "+this._pc.signalingState),e.sdp=this._setRtpSenderOptions(e.sdp,this._config);var n=new RTCSessionDescription(e);this._pc.setRemoteDescription(new RTCSessionDescription(n)).then(function(){i.default.debug("Set remote descripiton successfully."),t._drainPendingMessages()},function(e){i.default.debug("Set remote description failed. Message: "+e.message),t._stop(e,!0)})}},{key:"_onLocalIceCandidate",value:function(e){e.candidate?this._sendSdp({type:"candidates",candidate:e.candidate.candidate,sdpMid:e.candidate.sdpMid,sdpMLineIndex:e.candidate.sdpMLineIndex}).catch(function(e){i.default.warning("Failed to send candidate.")}):i.default.debug("Empty candidate.")}},{key:"_onRemoteTrackAdded",value:function(e){i.default.debug("Remote track added.");var t=!0,n=!1,r=void 0;try{for(var o,a=e.streams[Symbol.iterator]();!(t=(o=a.next()).done);t=!0){var s=o.value;if(!this._remoteStreamInfo.has(s.id))return void i.default.warning("Missing stream info.");this._remoteStreamInfo.get(s.id).stream||this._setStreamToRemoteStreamInfo(s)}}catch(e){n=!0,r=e}finally{try{t||null==a.return||a.return()}finally{if(n)throw r}}"connected"===this._pc.iceConnectionState||"completed"===this._pc.iceConnectionState?this._checkIceConnectionStateAndFireEvent():this._addedTrackIds.concat(e.track.id)}},{key:"_onRemoteStreamAdded",value:function(e){if(i.default.debug("Remote stream added."),this._remoteStreamInfo.has(e.stream.id)){"connected"===this._pc.iceConnectionState||"completed"===this._pc.iceConnectionState?this._sendSignalingMessage(T,this._remoteStreamInfo.get(e.stream.id).trackIds):this._addedTrackIds=this._addedTrackIds.concat(this._remoteStreamInfo.get(e.stream.id).trackIds);var t=this._remoteStreamInfo.get(e.stream.id).source.audio,n=this._remoteStreamInfo.get(e.stream.id).source.video,r=new u.StreamSourceInfo(t,n);s.isSafari()&&(r.audio||e.stream.getAudioTracks().forEach(function(t){e.stream.removeTrack(t)}),r.video||e.stream.getVideoTracks().forEach(function(t){e.stream.removeTrack(t)}));var o=this._remoteStreamInfo.get(e.stream.id).attributes,a=new u.RemoteStream(void 0,this._remoteId,e.stream,r,o);if(a){this._remoteStreams.push(a);var c=new u.StreamEvent("streamadded",{stream:a});this.dispatchEvent(c)}}else i.default.warning("Cannot find source info for stream "+e.stream.id)}},{key:"_onRemoteStreamRemoved",value:function(e){i.default.debug("Remote stream removed.");var t=this._remoteStreams.findIndex(function(t){return t.mediaStream.id===e.stream.id});if(-1!==t){var n=this._remoteStreams[t];this._streamRemoved(n),this._remoteStreams.splice(t,1)}}},{key:"_onNegotiationneeded",value:function(){i.default.debug("On negotiation needed."),"stable"===this._pc.signalingState?this._doNegotiate():this._isNegotiationNeeded=!0}},{key:"_onRemoteIceCandidate",value:function(e){var t=new RTCIceCandidate({candidate:e.candidate,sdpMid:e.sdpMid,sdpMLineIndex:e.sdpMLineIndex});this._pc.remoteDescription&&""!==this._pc.remoteDescription.sdp?(i.default.debug("Add remote ice candidates."),this._pc.addIceCandidate(t).catch(function(e){i.default.warning("Error processing ICE candidate: "+e)})):(i.default.debug("Cache remote ice candidates."),this._remoteIceCandidates.push(t))}},{key:"_onSignalingStateChange",value:function(e){i.default.debug("Signaling state changed: "+this._pc.signalingState),"closed"===this._pc.signalingState||("stable"===this._pc.signalingState?(this._negotiating=!1,this._isNegotiationNeeded?this._onNegotiationneeded():(this._drainPendingStreams(),this._drainPendingMessages())):"have-remote-offer"===this._pc.signalingState&&this._drainPendingRemoteIceCandidates())}},{key:"_onIceConnectionStateChange",value:function(e){if("closed"===e.currentTarget.iceConnectionState||"failed"===e.currentTarget.iceConnectionState){var t=new c.P2PError(c.errors.P2P_WEBRTC_UNKNOWN,"ICE connection failed or closed.");this._stop(t,!0)}else"connected"!==e.currentTarget.iceConnectionState&&"completed"!==e.currentTarget.iceConnectionState||(this._sendSignalingMessage(T,this._addedTrackIds),this._addedTrackIds=[],this._checkIceConnectionStateAndFireEvent())}},{key:"_onDataChannelMessage",value:function(e){var t=JSON.parse(e.data);i.default.debug("Data channel message received: "+t.data),this._sendSignalingMessage(k,t.id);var n=new o.MessageEvent("messagereceived",{message:t.data,origin:this._remoteId});this.dispatchEvent(n)}},{key:"_onDataChannelOpen",value:function(e){i.default.debug("Data Channel is opened."),e.target.label===w&&(i.default.debug("Data channel for messages is opened."),this._drainPendingMessages())}},{key:"_onDataChannelClose",value:function(e){i.default.debug("Data Channel is closed.")}},{key:"_streamRemoved",value:function(e){this._remoteStreamInfo.has(e.mediaStream.id)||i.default.warning("Cannot find stream info."),this._sendSignalingMessage(I,this._remoteStreamInfo.get(e.mediaStream.id).trackIds);var t=new o.OwtEvent("ended");e.dispatchEvent(t)}},{key:"_isUnifiedPlan",value:function(){if(s.isFirefox())return!0;var e=new RTCPeerConnection({sdpSemantics:"unified-plan"});return e.getConfiguration()&&"plan-b"===e.getConfiguration().sdpSemantics}},{key:"_createPeerConnection",value:function(){var e=this,t=this._config.rtcConfiguration||{};s.isChrome()&&(t.sdpSemantics="unified-plan"),this._pc=new RTCPeerConnection(t),"function"==typeof this._pc.addTransceiver&&s.isSafari()&&(this._pc.addTransceiver("audio"),this._pc.addTransceiver("video")),console.log("window.navigator.userAgent-----\x3e",window.navigator.userAgent),console.log("Utils.isSafari()-----\x3e",s.isSafari()),this._isUnifiedPlan()||s.isSafari()||s.isTauri()?this._pc.ontrack=function(t){e._onRemoteTrackAdded.apply(e,[t])}:(this._pc.onaddstream=function(t){e._onRemoteStreamAdded.apply(e,[t])},this._pc.onremovestream=function(t){e._onRemoteStreamRemoved.apply(e,[t])}),this._pc.onicecandidate=function(t){e._onLocalIceCandidate.apply(e,[t])},this._pc.onsignalingstatechange=function(t){e._onSignalingStateChange.apply(e,[t])},this._pc.ondatachannel=function(t){i.default.debug("On data channel."),e._dataChannels.has(t.channel.label)||(e._dataChannels.set(t.channel.label,t.channel),i.default.debug("Save remote created data channel.")),e._bindEventsToDataChannel(t.channel)},this._pc.oniceconnectionstatechange=function(t){e._onIceConnectionStateChange.apply(e,[t])}}},{key:"_drainPendingStreams",value:function(){var e=!1;if(i.default.debug("Draining pending streams."),this._pc&&"stable"===this._pc.signalingState){i.default.debug("Peer connection is ready for draining pending streams.");for(var t=0;t<this._pendingStreams.length;t++){var n=this._pendingStreams[t];if(this._pendingStreams.shift(),n.mediaStream){var r=!0,o=!1,a=void 0;try{for(var s,c=n.mediaStream.getTracks()[Symbol.iterator]();!(r=(s=c.next()).done);r=!0){var u=s.value;this._pc.addTrack(u,n.mediaStream),e=!0}}catch(e){o=!0,a=e}finally{try{r||null==c.return||c.return()}finally{if(o)throw a}}i.default.debug("Added stream to peer connection."),this._publishingStreams.push(n)}}this._pendingStreams.length=0;for(var d=0;d<this._pendingUnpublishStreams.length;d++)this._pendingUnpublishStreams[d].mediaStream&&("removeStream"in this._pc&&this._pc.removeStream(this._pendingUnpublishStreams[d].mediaStream),e=!0,this._unpublishPromises.get(this._pendingUnpublishStreams[d].mediaStream.id).resolve(),this._publishedStreams.delete(this._pendingUnpublishStreams[d]),i.default.debug("Remove stream."));this._pendingUnpublishStreams.length=0}e&&this._onNegotiationneeded()}},{key:"_drainPendingRemoteIceCandidates",value:function(){for(var e=0;e<this._remoteIceCandidates.length;e++)i.default.debug("Add candidate"),this._pc.addIceCandidate(this._remoteIceCandidates[e]).catch(function(e){i.default.warning("Error processing ICE candidate: "+e)});this._remoteIceCandidates.length=0}},{key:"_drainPendingMessages",value:function(){if(i.default.debug("Draining pending messages."),0!=this._pendingMessages.length){var e=this._dataChannels.get(w);if(e&&"open"===e.readyState){for(var t=0;t<this._pendingMessages.length;t++)i.default.debug("Sending message via data channel: "+this._pendingMessages[t]),e.send(JSON.stringify(this._pendingMessages[t]));this._pendingMessages.length=0}else this._pc&&!e&&this._createDataChannel(w)}}},{key:"_sendStreamInfo",value:function(e){if(!e||!e.mediaStream)return new c.P2PError(c.errors.P2P_CLIENT_ILLEGAL_ARGUMENT);var t=[];return e.mediaStream.getTracks().map(function(n){t.push({id:n.id,source:e.source[n.kind]})}),Promise.all([this._sendSignalingMessage(E,t),this._sendSignalingMessage(j,{id:e.mediaStream.id,attributes:e.attributes,tracks:Array.from(t,function(e){return e.id}),source:e.source})])}},{key:"_sendSysInfoIfNecessary",value:function(){return this._infoSent?Promise.resolve():(this._infoSent=!0,this._sendSignalingMessage(R,M))}},{key:"_sendClosedMsgIfNecessary",value:function(){return null===this._pc.remoteDescription||""===this._pc.remoteDescription.sdp?this._sendSignalingMessage(O):Promise.resolve()}},{key:"_handleRemoteCapability",value:function(e){e.sdk&&e.sdk&&"JavaScript"===e.sdk.type&&e.runtime&&"Firefox"===e.runtime.name?(this._remoteSideSupportsRemoveStream=!1,this._remoteSideSupportsPlanB=!1,this._remoteSideSupportsUnifiedPlan=!0):(this._remoteSideSupportsRemoveStream=!0,this._remoteSideSupportsPlanB=!0,this._remoteSideSupportsUnifiedPlan=!1)}},{key:"_doNegotiate",value:function(){this._createAndSendOffer()}},{key:"_setCodecOrder",value:function(e){if(this._config.audioEncodings){var t=Array.from(this._config.audioEncodings,function(e){return e.codec.name});e=d.reorderCodecs(e,"audio",t)}if(this._config.videoEncodings){var n=Array.from(this._config.videoEncodings,function(e){return e.codec.name});e=d.reorderCodecs(e,"video",n)}return e}},{key:"_setMaxBitrate",value:function(e,t){return"object"===p(t.audioEncodings)&&(e=d.setMaxBitrate(e,t.audioEncodings)),"object"===p(t.videoEncodings)&&(e=d.setMaxBitrate(e,t.videoEncodings)),e}},{key:"_setRtpSenderOptions",value:function(e,t){return e=this._setMaxBitrate(e,t)}},{key:"_setRtpReceiverOptions",value:function(e){return e=this._setCodecOrder(e)}},{key:"_createAndSendOffer",value:function(){var e,t=this;this._pc?(this._isNegotiationNeeded=!1,this._isCaller=!0,this._pc.createOffer().then(function(n){if(n.sdp=t._setRtpReceiverOptions(n.sdp),e=n,"stable"===t._pc.signalingState)return t._pc.setLocalDescription(n).then(function(){return t._sendSdp(e)})}).catch(function(e){i.default.error(e.message+" Please check your codec settings.");var n=new c.P2PError(c.errors.P2P_WEBRTC_SDP,e.message);t._stop(n,!0)})):i.default.error("Peer connection have not been created.")}},{key:"_createAndSendAnswer",value:function(){var e,t=this;this._drainPendingStreams(),this._isNegotiationNeeded=!1,this._isCaller=!1,this._pc.createAnswer().then(function(n){return n.sdp=t._setRtpReceiverOptions(n.sdp),e=n,t._logCurrentAndPendingLocalDescription(),t._pc.setLocalDescription(n)}).then(function(){return t._sendSdp(e)}).catch(function(e){i.default.error(e.message+" Please check your codec settings.");var n=new c.P2PError(c.errors.P2P_WEBRTC_SDP,e.message);t._stop(n,!0)})}},{key:"_logCurrentAndPendingLocalDescription",value:function(){i.default.info("Current description: "+this._pc.currentLocalDescription),i.default.info("Pending description: "+this._pc.pendingLocalDescription)}},{key:"_getAndDeleteTrackSourceInfo",value:function(e){if(e.length>0){var t=e[0].id;if(this._remoteTrackSourceInfo.has(t)){var n=this._remoteTrackSourceInfo.get(t);return this._remoteTrackSourceInfo.delete(t),n}i.default.warning("Cannot find source info for "+t)}}},{key:"_unpublish",value:function(e){var t=this;return navigator.mozGetUserMedia||!this._remoteSideSupportsRemoveStream?(i.default.error("Stopping a publication is not supported on Firefox. Please use P2PClient.stop() to stop the connection with remote endpoint."),Promise.reject(new c.P2PError(c.errors.P2P_CLIENT_UNSUPPORTED_METHOD))):this._publishedStreams.has(e)?(this._pendingUnpublishStreams.push(e),new Promise(function(n,r){t._unpublishPromises.set(e.mediaStream.id,{resolve:n,reject:r}),t._drainPendingStreams()})):Promise.reject(new c.P2PError(c.errors.P2P_CLIENT_ILLEGAL_ARGUMENT))}},{key:"_createDataChannel",value:function(e){if(this._dataChannels.has(e))i.default.warning("Data channel labeled "+e+" already exists.");else if(this._pc){i.default.debug("Create data channel.");var t=this._pc.createDataChannel(e);this._bindEventsToDataChannel(t),this._dataChannels.set(w,t),this._onNegotiationneeded()}else i.default.debug("PeerConnection is not available before creating DataChannel.")}},{key:"_bindEventsToDataChannel",value:function(e){var t=this;e.onmessage=function(e){t._onDataChannelMessage.apply(t,[e])},e.onopen=function(e){t._onDataChannelOpen.apply(t,[e])},e.onclose=function(e){t._onDataChannelClose.apply(t,[e])},e.onerror=function(e){i.default.debug("Data Channel Error:",error)}}},{key:"_getStreamByTrack",value:function(e){var t=[],n=!0,r=!1,i=void 0;try{for(var o,a=this._remoteStreamInfo[Symbol.iterator]();!(n=(o=a.next()).done);n=!0){var s=f(o.value,2),c=(s[0],s[1]);if(c.stream&&c.stream.mediaStream){var u=!0,d=!1,l=void 0;try{for(var p,h=c.stream.mediaStream.getTracks()[Symbol.iterator]();!(u=(p=h.next()).done);u=!0){e===p.value&&t.push(c.stream.mediaStream)}}catch(e){d=!0,l=e}finally{try{u||null==h.return||h.return()}finally{if(d)throw l}}}}}catch(e){r=!0,i=e}finally{try{n||null==a.return||a.return()}finally{if(r)throw i}}return t}},{key:"_areAllTracksEnded",value:function(e){var t=!0,n=!1,r=void 0;try{for(var i,o=e.getTracks()[Symbol.iterator]();!(t=(i=o.next()).done);t=!0){if("live"===i.value.readyState)return!1}}catch(e){n=!0,r=e}finally{try{t||null==o.return||o.return()}finally{if(n)throw r}}return!0}},{key:"_stop",value:function(e,t){var n=e;n||(n=new c.P2PError(c.errors.P2P_CLIENT_UNKNOWN));var r=!0,a=!1,s=void 0;try{for(var u,d=this._dataChannels[Symbol.iterator]();!(r=(u=d.next()).done);r=!0){var l=f(u.value,2);l[0];l[1].close()}}catch(e){a=!0,s=e}finally{try{r||null==d.return||d.return()}finally{if(a)throw s}}this._dataChannels.clear(),this._pc&&"closed"!==this._pc.iceConnectionState&&this._pc.close();var p=!0,h=!1,v=void 0;try{for(var m,_=this._publishPromises[Symbol.iterator]();!(p=(m=_.next()).done);p=!0){var g=f(m.value,2);g[0];g[1].reject(n)}}catch(e){h=!0,v=e}finally{try{p||null==_.return||_.return()}finally{if(h)throw v}}this._publishPromises.clear();var b=!0,y=!1,S=void 0;try{for(var P,w=this._unpublishPromises[Symbol.iterator]();!(b=(P=w.next()).done);b=!0){var E=f(P.value,2);E[0];E[1].reject(n)}}catch(e){y=!0,S=e}finally{try{b||null==w.return||w.return()}finally{if(y)throw S}}this._unpublishPromises.clear();var j=!0,C=!1,T=void 0;try{for(var I,k=this._sendDataPromises[Symbol.iterator]();!(j=(I=k.next()).done);j=!0){var R=f(I.value,2);R[0];R[1].reject(n)}}catch(e){C=!0,T=e}finally{try{j||null==k.return||k.return()}finally{if(C)throw T}}if(this._sendDataPromises.clear(),this._publishedStreams.forEach(function(e){e.dispatchEvent(new o.OwtEvent("ended"))}),this._publishedStreams.clear(),this._remoteStreams.forEach(function(e){e.dispatchEvent(new o.OwtEvent("ended"))}),this._remoteStreams=[],!this._disposed){var M;if(t)e&&((M=JSON.parse(JSON.stringify(e))).message="Error happened at remote side."),this._sendSignalingMessage(O,M).catch(function(e){i.default.debug("Failed to send close."+e.message)});this.dispatchEvent(new Event("ended"))}}},{key:"_setStreamToRemoteStreamInfo",value:function(e){var t=this._remoteStreamInfo.get(e.id),n=t.attributes,r=new u.StreamSourceInfo(this._remoteStreamInfo.get(e.id).source.audio,this._remoteStreamInfo.get(e.id).source.video);t.stream=new u.RemoteStream(void 0,this._remoteId,e,r,n),t.mediaStream=e;var o=t.stream;o?this._remoteStreams.push(o):i.default.warning("Failed to create RemoteStream.")}},{key:"_checkIceConnectionStateAndFireEvent",value:function(){var e=this;if(console.log("_checkIceConnectionStateAndFireEvent-------------\x3e"),"connected"===this._pc.iceConnectionState||"completed"===this._pc.iceConnectionState){var t=!0,n=!1,r=void 0;try{for(var i,o=this._remoteStreamInfo[Symbol.iterator]();!(t=(i=o.next()).done);t=!0){var a=f(i.value,2),s=(a[0],a[1]);if(s.mediaStream){var c=new u.StreamEvent("streamadded",{stream:s.stream});if(this._isUnifiedPlan()){var d=!0,l=!1,p=void 0;try{for(var h,v=s.mediaStream.getTracks()[Symbol.iterator]();!(d=(h=v.next()).done);d=!0){h.value.addEventListener("ended",function(t){var n=e._getStreamByTrack(t.target),r=!0,i=!1,o=void 0;try{for(var a,s=n[Symbol.iterator]();!(r=(a=s.next()).done);r=!0){var c=a.value;e._areAllTracksEnded(c)&&e._onRemoteStreamRemoved(c)}}catch(e){i=!0,o=e}finally{try{r||null==s.return||s.return()}finally{if(i)throw o}}})}}catch(e){l=!0,p=e}finally{try{d||null==v.return||v.return()}finally{if(l)throw p}}}this._sendSignalingMessage(T,s.trackIds),this._remoteStreamInfo.get(s.mediaStream.id).mediaStream=null,this.dispatchEvent(c)}}}catch(e){n=!0,r=e}finally{try{t||null==o.return||o.return()}finally{if(n)throw r}}}}}])&&h(n.prototype,r),l&&h(n,l),t}();n.default=A},{"../base/event.js":3,"../base/logger.js":5,"../base/publication.js":8,"../base/sdputils.js":9,"../base/stream.js":10,"../base/utils.js":11,"./error.js":23}]},{},[22])(22)});