EDT/ipad/js/aliyun-rts-sdk.js

/*! aliyun rts sdk - ver1.2.2 created:2020-10-10 8:42:37 PM */
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e(t,r,n){r&&!n.has(r.id)&&(n.set(r.id,r),Object.keys(r).forEach((function(i){i.endsWith("Id")?e(t,t.get(r[i]),n):i.endsWith("Ids")&&r[i].forEach((function(r){e(t,t.get(r),n)}))})))}(e,r,i)}))})),i}e.exports={shimGetUserMedia:r(24),shimMediaStream:function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream},shimOnTrack:function(e){if("object"==typeof e&&e.RTCPeerConnection&&!("ontrack"in e.RTCPeerConnection.prototype)){Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var r=this;return r._ontrackpoly||(r._ontrackpoly=function(t){t.stream.addEventListener("addtrack",(function(n){var i;i=e.RTCPeerConnection.prototype.getReceivers?r.getReceivers().find((function(e){return e.track&&e.track.id===n.track.id})):{track:n.track};var o=new Event("track");o.track=n.track,o.receiver=i,o.transceiver={receiver:i},o.streams=[t.stream],r.dispatchEvent(o)})),t.stream.getTracks().forEach((function(n){var i;i=e.RTCPeerConnection.prototype.getReceivers?r.getReceivers().find((function(e){return e.track&&e.track.id===n.id})):{track:n};var o=new Event("track");o.track=n,o.receiver=i,o.transceiver={receiver:i},o.streams=[t.stream],r.dispatchEvent(o)}))},r.addEventListener("addstream",r._ontrackpoly)),t.apply(r,arguments)}}else n.wrapPeerConnectionEvent(e,"track",(function(e){return e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e}))},shimGetSendersWithDtmf:function(e){if("object"==typeof e&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){var t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};var r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){var i=this,o=r.apply(i,arguments);return o||(o=t(i,e),i._senders.push(o)),o};var n=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;n.apply(t,arguments);var r=t._senders.indexOf(e);-1!==r&&t._senders.splice(r,1)}}var i=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;r._senders=r._senders||[],i.apply(r,[e]),e.getTracks().forEach((function(e){r._senders.push(t(r,e))}))};var o=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;t._senders=t._senders||[],o.apply(t,[e]),e.getTracks().forEach((function(e){var r=t._senders.find((function(t){return t.track===e}));r&&t._senders.splice(t._senders.indexOf(r),1)}))}}else if("object"==typeof e&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){var a=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){var e=this,t=a.apply(e,[]);return t.forEach((function(t){t._pc=e})),t},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}},shimSenderReceiverGetStats:function(e){if("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver){if(!("getStats"in e.RTCRtpSender.prototype)){var t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){var e=this,r=t.apply(e,[]);return r.forEach((function(t){t._pc=e})),r});var r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){var e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){var e=this;return this._pc.getStats().then((function(t){return o(t,e.track,!0)}))}}if(!("getStats"in e.RTCRtpReceiver.prototype)){var i=e.RTCPeerConnection.prototype.getReceivers;i&&(e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,t=i.apply(e,[]);return t.forEach((function(t){t._pc=e})),t}),n.wrapPeerConnectionEvent(e,"track",(function(e){return e.receiver._pc=e.srcElement,e})),e.RTCRtpReceiver.prototype.getStats=function(){var e=this;return this._pc.getStats().then((function(t){return o(t,e.track,!1)}))}}if("getStats"in e.RTCRtpSender.prototype&&"getStats"in e.RTCRtpReceiver.prototype){var a=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var t=this;if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){var r,n,i,o=arguments[0];return t.getSenders().forEach((function(e){e.track===o&&(r?i=!0:r=e)})),t.getReceivers().forEach((function(e){return e.track===o&&(n?i=!0:n=e),e.track===o})),i||r&&n?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):r?r.getStats():n?n.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return a.apply(t,arguments)}}}},shimSourceObject:function(e){var t=e&&e.URL;"object"==typeof e&&e.HTMLMediaElement&&!("srcObject"in e.HTMLMediaElement.prototype)&&Object.defineProperty(e.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(e){var r=this;this._srcObject=e,this.src&&t.revokeObjectURL(this.src),e?(this.src=t.createObjectURL(e),e.addEventListener("addtrack",(function(){r.src&&t.revokeObjectURL(r.src),r.src=t.createObjectURL(e)})),e.addEventListener("removetrack",(function(){r.src&&t.revokeObjectURL(r.src),r.src=t.createObjectURL(e)}))):this.src=""}})},shimAddTrackRemoveTrackWithNative:function(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map((function(t){return e._shimmedLocalStreams[t][0]}))};var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};var n=t.apply(this,arguments);return this._shimmedLocalStreams[r.id]?-1===this._shimmedLocalStreams[r.id].indexOf(n)&&this._shimmedLocalStreams[r.id].push(n):this._shimmedLocalStreams[r.id]=[r,n],n};var r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var t=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach((function(e){if(t.getSenders().find((function(t){return t.track===e})))throw new DOMException("Track already exists.","InvalidAccessError")}));var n=t.getSenders();r.apply(this,arguments);var i=t.getSenders().filter((function(e){return-1===n.indexOf(e)}));this._shimmedLocalStreams[e.id]=[e].concat(i)};var n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],n.apply(this,arguments)};var i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach((function(r){var n=t._shimmedLocalStreams[r].indexOf(e);-1!==n&&t._shimmedLocalStreams[r].splice(n,1),1===t._shimmedLocalStreams[r].length&&delete t._shimmedLocalStreams[r]})),i.apply(this,arguments)}},shimAddTrackRemoveTrack:function(e){if(e.RTCPeerConnection){var t=n.detectBrowser(e);if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return this.shimAddTrackRemoveTrackWithNative(e);var r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this,t=r.apply(this);return e._reverseStreams=e._reverseStreams||{},t.map((function(t){return e._reverseStreams[t.id]}))};var i=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){var r=this;if(r._streams=r._streams||{},r._reverseStreams=r._reverseStreams||{},t.getTracks().forEach((function(e){if(r.getSenders().find((function(t){return t.track===e})))throw new DOMException("Track already exists.","InvalidAccessError")})),!r._reverseStreams[t.id]){var n=new e.MediaStream(t.getTracks());r._streams[t.id]=n,r._reverseStreams[n.id]=t,t=n}i.apply(r,[t])};var o=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;t._streams=t._streams||{},t._reverseStreams=t._reverseStreams||{},o.apply(t,[t._streams[e.id]||e]),delete t._reverseStreams[t._streams[e.id]?t._streams[e.id].id:e.id],delete t._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,r){var n=this;if("closed"===n.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find((function(e){return e===t})))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");var o=n.getSenders().find((function(e){return e.track===t}));if(o)throw new DOMException("Track already exists.","InvalidAccessError");n._streams=n._streams||{},n._reverseStreams=n._reverseStreams||{};var a=n._streams[r.id];if(a)a.addTrack(t),Promise.resolve().then((function(){n.dispatchEvent(new Event("negotiationneeded"))}));else{var s=new e.MediaStream([t]);n._streams[r.id]=s,n._reverseStreams[s.id]=r,n.addStream(s)}return n.getSenders().find((function(e){return e.track===t}))},["createOffer","createAnswer"].forEach((function(t){var r=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=function(){var e=this,t=arguments,n=arguments.length&&"function"==typeof arguments[0];return n?r.apply(e,[function(r){var n=c(e,r);t[0].apply(null,[n])},function(e){t[1]&&t[1].apply(null,e)},arguments[2]]):r.apply(e,arguments).then((function(t){return c(e,t)}))}}));var a=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){var e=this;return arguments.length&&arguments[0].type?(arguments[0]=d(e,arguments[0]),a.apply(e,arguments)):a.apply(e,arguments)};var s=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=s.get.apply(this);return""===e.type?e:c(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){var t,r=this;if("closed"===r.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(e._pc===r))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");r._streams=r._streams||{},Object.keys(r._streams).forEach((function(n){r._streams[n].getTracks().find((function(t){return e.track===t}))&&(t=r._streams[n])})),t&&(1===t.getTracks().length?r.removeStream(r._reverseStreams[t.id]):t.removeTrack(e.track),r.dispatchEvent(new Event("negotiationneeded")))}}function c(e,t){var r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((function(t){var n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(new RegExp(i.id,"g"),n.id)})),new RTCSessionDescription({type:t.type,sdp:r})}function d(e,t){var r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((function(t){var n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(new RegExp(n.id,"g"),i.id)})),new RTCSessionDescription({type:t.type,sdp:r})}},shimPeerConnection:function(e){var t=n.detectBrowser(e);if(!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=function(t,r){return i("PeerConnection"),t&&t.iceTransportPolicy&&(t.iceTransports=t.iceTransportPolicy),new e.webkitRTCPeerConnection(t,r)},e.RTCPeerConnection.prototype=e.webkitRTCPeerConnection.prototype,e.webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:function(){return e.webkitRTCPeerConnection.generateCertificate}})),e.RTCPeerConnection){var r=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(e,t,n){var i=this,o=arguments;if(arguments.length>0&&"function"==typeof e)return r.apply(this,arguments);if(0===r.length&&(0===arguments.length||"function"!=typeof arguments[0]))return r.apply(this,[]);var a=function(e){var t={};return e.result().forEach((function(e){var r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach((function(t){r[t]=e.stat(t)})),t[r.id]=r})),t},s=function(e){return new Map(Object.keys(e).map((function(t){return[t,e[t]]})))};if(arguments.length>=2){var c=function(e){o[1](s(a(e)))};return r.apply(this,[c,arguments[0]])}return new Promise((function(e,t){r.apply(i,[function(t){e(s(a(t)))},t])})).then(t,n)},t.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){var r=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=function(){var e=arguments,t=this,n=new Promise((function(n,i){r.apply(t,[e[0],n,i])}));return e.length<2?n:n.then((function(){e[1].apply(null,[])}),(function(t){e.length>=3&&e[2].apply(null,[t])}))}})),t.version<52&&["createOffer","createAnswer"].forEach((function(t){var r=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=function(){var e=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var t=1===arguments.length?arguments[0]:void 0;return new Promise((function(n,i){r.apply(e,[n,i,t])}))}return r.apply(this,arguments)}})),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){var r=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}}));var o=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?o.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}}},fixNegotiationNeeded:function(e){n.wrapPeerConnectionEvent(e,"negotiationneeded",(function(e){if("stable"===e.target.signalingState)return e}))},shimGetDisplayMedia:function(e,t){e.navigator&&e.navigator.mediaDevices&&!("getDisplayMedia"in e.navigator.mediaDevices)&&("function"==typeof t?(e.navigator.mediaDevices.getDisplayMedia=function(r){return t(r).then((function(t){var n=r.video&&r.video.width,i=r.video&&r.video.height,o=r.video&&r.video.frameRate;return r.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:o||3}},n&&(r.video.mandatory.maxWidth=n),i&&(r.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(r)}))},e.navigator.getDisplayMedia=function(t){return n.deprecated("navigator.getDisplayMedia","navigator.mediaDevices.getDisplayMedia"),e.navigator.mediaDevices.getDisplayMedia(t)}):console.error("shimGetDisplayMedia: getSourceId argument is not a function"))}}},function(e,t,r){"use strict";var n=r(1),i=n.log;e.exports=function(e){var t=n.detectBrowser(e),r=e&&e.navigator,o=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach((function(r){if("require"!==r&&"advanced"!==r&&"mediaSource"!==r){var n="object"==typeof e[r]?e[r]:{ideal:e[r]};void 0!==n.exact&&"number"==typeof n.exact&&(n.min=n.max=n.exact);var i=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==n.ideal){t.optional=t.optional||[];var o={};"number"==typeof n.ideal?(o[i("min",r)]=n.ideal,t.optional.push(o),(o={})[i("max",r)]=n.ideal,t.optional.push(o)):(o[i("",r)]=n.ideal,t.optional.push(o))}void 0!==n.exact&&"number"!=typeof n.exact?(t.mandatory=t.mandatory||{},t.mandatory[i("",r)]=n.exact):["min","max"].forEach((function(e){void 0!==n[e]&&(t.mandatory=t.mandatory||{},t.mandatory[i(e,r)]=n[e])}))}})),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},a=function(e,n){if(t.version>=61)return n(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"==typeof e.audio){var a=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])};a((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),a(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=o(e.audio)}if(e&&"object"==typeof e.video){var s=e.video.facingMode;s=s&&("object"==typeof s?s:{ideal:s});var c,d=t.version<66;if(s&&("user"===s.exact||"environment"===s.exact||"user"===s.ideal||"environment"===s.ideal)&&(!r.mediaDevices.getSupportedConstraints||!r.mediaDevices.getSupportedConstraints().facingMode||d))if(delete e.video.facingMode,"environment"===s.exact||"environment"===s.ideal?c=["back","rear"]:"user"!==s.exact&&"user"!==s.ideal||(c=["front"]),c)return r.mediaDevices.enumerateDevices().then((function(t){var r=(t=t.filter((function(e){return"videoinput"===e.kind}))).find((function(e){return c.some((function(t){return-1!==e.label.toLowerCase().indexOf(t)}))}));return!r&&t.length&&-1!==c.indexOf("back")&&(r=t[t.length-1]),r&&(e.video.deviceId=s.exact?{exact:r.deviceId}:{ideal:r.deviceId}),e.video=o(e.video),i("chrome: "+JSON.stringify(e)),n(e)}));e.video=o(e.video)}return i("chrome: "+JSON.stringify(e)),n(e)},s=function(e){return t.version>=64?e:{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}};r.getUserMedia=function(e,t,n){a(e,(function(e){r.webkitGetUserMedia(e,t,(function(e){n&&n(s(e))}))}))};var c=function(e){return new Promise((function(t,n){r.getUserMedia(e,t,n)}))};if(r.mediaDevices||(r.mediaDevices={getUserMedia:c,enumerateDevices:function(){return new Promise((function(t){var r={audio:"audioinput",video:"videoinput"};return e.MediaStreamTrack.getSources((function(e){t(e.map((function(e){return{label:e.label,kind:r[e.kind],deviceId:e.id,groupId:""}})))}))}))},getSupportedConstraints:function(){return{deviceId:!0,echoCancellation:!0,facingMode:!0,frameRate:!0,height:!0,width:!0}}}),r.mediaDevices.getUserMedia){var d=r.mediaDevices.getUserMedia.bind(r.mediaDevices);r.mediaDevices.getUserMedia=function(e){return a(e,(function(e){return d(e).then((function(t){if(e.audio&&!t.getAudioTracks().length||e.video&&!t.getVideoTracks().length)throw t.getTracks().forEach((function(e){e.stop()})),new DOMException("","NotFoundError");return t}),(function(e){return Promise.reject(s(e))}))}))}}else r.mediaDevices.getUserMedia=function(e){return c(e)};void 0===r.mediaDevices.addEventListener&&(r.mediaDevices.addEventListener=function(){i("Dummy mediaDevices.addEventListener called.")}),void 0===r.mediaDevices.removeEventListener&&(r.mediaDevices.removeEventListener=function(){i("Dummy mediaDevices.removeEventListener called.")})}},function(e,t,r){"use strict";var n=r(1),i=r(26),o=r(27);e.exports={shimGetUserMedia:r(28),shimPeerConnection:function(e){var t=n.detectBrowser(e);if(e.RTCIceGatherer&&(e.RTCIceCandidate||(e.RTCIceCandidate=function(e){return e}),e.RTCSessionDescription||(e.RTCSessionDescription=function(e){return e}),t.version<15025)){var r=Object.getOwnPropertyDescriptor(e.MediaStreamTrack.prototype,"enabled");Object.defineProperty(e.MediaStreamTrack.prototype,"enabled",{set:function(e){r.set.call(this,e);var t=new Event("enabled");t.enabled=e,this.dispatchEvent(t)}})}e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)&&Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=new e.RTCDtmfSender(this):"video"===this.track.kind&&(this._dtmf=null)),this._dtmf}}),e.RTCDtmfSender&&!e.RTCDTMFSender&&(e.RTCDTMFSender=e.RTCDtmfSender);var a=o(e,t.version);e.RTCPeerConnection=function(e){return e&&e.iceServers&&(e.iceServers=i(e.iceServers)),new a(e)},e.RTCPeerConnection.prototype=a.prototype},shimReplaceTrack:function(e){e.RTCRtpSender&&!("replaceTrack"in e.RTCRtpSender.prototype)&&(e.RTCRtpSender.prototype.replaceTrack=e.RTCRtpSender.prototype.setTrack)},shimGetDisplayMedia:function(e,t){if("getDisplayMedia"in e.navigator&&e.navigator.mediaDevices&&!("getDisplayMedia"in e.navigator.mediaDevices)){var r=e.navigator.getDisplayMedia;e.navigator.mediaDevices.getDisplayMedia=function(t){return r.call(e.navigator,t)},e.navigator.getDisplayMedia=function(t){return n.deprecated("navigator.getDisplayMedia","navigator.mediaDevices.getDisplayMedia"),r.call(e.navigator,t)}}}}},function(e,t,r){"use strict";var n=r(1);e.exports=function(e,t){var r=!1;return(e=JSON.parse(JSON.stringify(e))).filter((function(e){if(e&&(e.urls||e.url)){var i=e.urls||e.url;e.url&&!e.urls&&n.deprecated("RTCIceServer.url","RTCIceServer.urls");var o="string"==typeof i;return o&&(i=[i]),i=i.filter((function(e){return 0===e.indexOf("turn:")&&-1!==e.indexOf("transport=udp")&&-1===e.indexOf("turn:[")&&!r?(r=!0,!0):0===e.indexOf("stun:")&&t>=14393&&-1===e.indexOf("?transport=udp")})),delete e.url,e.urls=o?i[0]:i,!!i.length}}))}},function(e,t,r){"use strict";var n=r(8);function i(e,t,r,i,o){var a=n.writeRtpDescription(e.kind,t);if(a+=n.writeIceParameters(e.iceGatherer.getLocalParameters()),a+=n.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===r?"actpass":o||"active"),a+="a=mid:"+e.mid+"\r\n",e.rtpSender&&e.rtpReceiver?a+="a=sendrecv\r\n":e.rtpSender?a+="a=sendonly\r\n":e.rtpReceiver?a+="a=recvonly\r\n":a+="a=inactive\r\n",e.rtpSender){var s=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=s;var c="msid:"+(i?i.id:"-")+" "+s+"\r\n";a+="a="+c,a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+c,e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+c,a+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+n.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+n.localCName+"\r\n"),a}function o(e,t){var r={codecs:[],headerExtensions:[],fecMechanisms:[]},n=function(e,t){e=parseInt(e,10);for(var r=0;r<t.length;r++)if(t[r].payloadType===e||t[r].preferredPayloadType===e)return t[r]},i=function(e,t,r,i){var o=n(e.parameters.apt,r),a=n(t.parameters.apt,i);return o&&a&&o.name.toLowerCase()===a.name.toLowerCase()};return e.codecs.forEach((function(n){for(var o=0;o<t.codecs.length;o++){var a=t.codecs[o];if(n.name.toLowerCase()===a.name.toLowerCase()&&n.clockRate===a.clockRate){if("rtx"===n.name.toLowerCase()&&n.parameters&&a.parameters.apt&&!i(n,a,e.codecs,t.codecs))continue;(a=JSON.parse(JSON.stringify(a))).numChannels=Math.min(n.numChannels,a.numChannels),r.codecs.push(a),a.rtcpFeedback=a.rtcpFeedback.filter((function(e){for(var t=0;t<n.rtcpFeedback.length;t++)if(n.rtcpFeedback[t].type===e.type&&n.rtcpFeedback[t].parameter===e.parameter)return!0;return!1}));break}}})),e.headerExtensions.forEach((function(e){for(var n=0;n<t.headerExtensions.length;n++){var i=t.headerExtensions[n];if(e.uri===i.uri){r.headerExtensions.push(i);break}}})),r}function a(e,t,r){return-1!=={offer:{setLocalDescription:["stable","have-local-offer"],setRemoteDescription:["stable","have-remote-offer"]},answer:{setLocalDescription:["have-remote-offer","have-local-pranswer"],setRemoteDescription:["have-local-offer","have-remote-pranswer"]}}[t][e].indexOf(r)}function s(e,t){var r=e.getRemoteCandidates().find((function(e){return t.foundation===e.foundation&&t.ip===e.ip&&t.port===e.port&&t.priority===e.priority&&t.protocol===e.protocol&&t.type===e.type}));return r||e.addRemoteCandidate(t),!r}function c(e,t){var r=new Error(t);return r.name=e,r.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[e],r}e.exports=function(e,t){function r(t,r){r.addTrack(t),r.dispatchEvent(new e.MediaStreamTrackEvent("addtrack",{track:t}))}function d(t,r,n,i){var o=new Event("track");o.track=r,o.receiver=n,o.transceiver={receiver:n},o.streams=i,e.setTimeout((function(){t._dispatchEvent("track",o)}))}var p=function(r){var i=this,o=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach((function(e){i[e]=o[e].bind(o)})),this.canTrickleIceCandidates=null,this.needNegotiation=!1,this.localStreams=[],this.remoteStreams=[],this._localDescription=null,this._remoteDescription=null,this.signalingState="stable",this.iceConnectionState="new",this.connectionState="new",this.iceGatheringState="new",r=JSON.parse(JSON.stringify(r||{})),this.usingBundle="max-bundle"===r.bundlePolicy,"negotiate"===r.rtcpMuxPolicy)throw c("NotSupportedError","rtcpMuxPolicy 'negotiate' is not supported");switch(r.rtcpMuxPolicy||(r.rtcpMuxPolicy="require"),r.iceTransportPolicy){case"all":case"relay":break;default:r.iceTransportPolicy="all"}switch(r.bundlePolicy){case"balanced":case"max-compat":case"max-bundle":break;default:r.bundlePolicy="balanced"}if(r.iceServers=function(e,t){var r=!1;return(e=JSON.parse(JSON.stringify(e))).filter((function(e){if(e&&(e.urls||e.url)){var n=e.urls||e.url;e.url&&!e.urls&&console.warn("RTCIceServer.url is deprecated! Use urls instead.");var i="string"==typeof n;return i&&(n=[n]),n=n.filter((function(e){return 0===e.indexOf("turn:")&&-1!==e.indexOf("transport=udp")&&-1===e.indexOf("turn:[")&&!r?(r=!0,!0):0===e.indexOf("stun:")&&t>=14393&&-1===e.indexOf("?transport=udp")})),delete e.url,e.urls=i?n[0]:n,!!n.length}}))}(r.iceServers||[],t),this._iceGatherers=[],r.iceCandidatePoolSize)for(var a=r.iceCandidatePoolSize;a>0;a--)this._iceGatherers.push(new e.RTCIceGatherer({iceServers:r.iceServers,gatherPolicy:r.iceTransportPolicy}));else r.iceCandidatePoolSize=0;this._config=r,this.transceivers=[],this._sdpSessionId=n.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=!1};Object.defineProperty(p.prototype,"localDescription",{configurable:!0,get:function(){return this._localDescription}}),Object.defineProperty(p.prototype,"remoteDescription",{configurable:!0,get:function(){return this._remoteDescription}}),p.prototype.onicecandidate=null,p.prototype.onaddstream=null,p.prototype.ontrack=null,p.prototype.onremovestream=null,p.prototype.onsignalingstatechange=null,p.prototype.oniceconnectionstatechange=null,p.prototype.onconnectionstatechange=null,p.prototype.onicegatheringstatechange=null,p.prototype.onnegotiationneeded=null,p.prototype.ondatachannel=null,p.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),"function"==typeof this["on"+e]&&this["on"+e](t))},p.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)},p.prototype.getConfiguration=function(){return this._config},p.prototype.getLocalStreams=function(){return this.localStreams},p.prototype.getRemoteStreams=function(){return this.remoteStreams},p.prototype._createTransceiver=function(e,t){var r=this.transceivers.length>0,n={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&r)n.iceTransport=this.transceivers[0].iceTransport,n.dtlsTransport=this.transceivers[0].dtlsTransport;else{var i=this._createIceAndDtlsTransports();n.iceTransport=i.iceTransport,n.dtlsTransport=i.dtlsTransport}return t||this.transceivers.push(n),n},p.prototype.addTrack=function(t,r){if(this._isClosed)throw c("InvalidStateError","Attempted to call addTrack on a closed peerconnection.");var n;if(this.transceivers.find((function(e){return e.track===t})))throw c("InvalidAccessError","Track already exists.");for(var i=0;i<this.transceivers.length;i++)this.transceivers[i].track||this.transceivers[i].kind!==t.kind||(n=this.transceivers[i]);return n||(n=this._createTransceiver(t.kind)),this._maybeFireNegotiationNeeded(),-1===this.localStreams.indexOf(r)&&this.localStreams.push(r),n.track=t,n.stream=r,n.rtpSender=new e.RTCRtpSender(t,n.dtlsTransport),n.rtpSender},p.prototype.addStream=function(e){var r=this;if(t>=15025)e.getTracks().forEach((function(t){r.addTrack(t,e)}));else{var n=e.clone();e.getTracks().forEach((function(e,t){var r=n.getTracks()[t];e.addEventListener("enabled",(function(e){r.enabled=e.enabled}))})),n.getTracks().forEach((function(e){r.addTrack(e,n)}))}},p.prototype.removeTrack=function(t){if(this._isClosed)throw c("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.");if(!(t instanceof e.RTCRtpSender))throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.");var r=this.transceivers.find((function(e){return e.rtpSender===t}));if(!r)throw c("InvalidAccessError","Sender was not created by this connection.");var n=r.stream;r.rtpSender.stop(),r.rtpSender=null,r.track=null,r.stream=null,-1===this.transceivers.map((function(e){return e.stream})).indexOf(n)&&this.localStreams.indexOf(n)>-1&&this.localStreams.splice(this.localStreams.indexOf(n),1),this._maybeFireNegotiationNeeded()},p.prototype.removeStream=function(e){var t=this;e.getTracks().forEach((function(e){var r=t.getSenders().find((function(t){return t.track===e}));r&&t.removeTrack(r)}))},p.prototype.getSenders=function(){return this.transceivers.filter((function(e){return!!e.rtpSender})).map((function(e){return e.rtpSender}))},p.prototype.getReceivers=function(){return this.transceivers.filter((function(e){return!!e.rtpReceiver})).map((function(e){return e.rtpReceiver}))},p.prototype._createIceGatherer=function(t,r){var n=this;if(r&&t>0)return this.transceivers[0].iceGatherer;if(this._iceGatherers.length)return this._iceGatherers.shift();var i=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});return Object.defineProperty(i,"state",{value:"new",writable:!0}),this.transceivers[t].bufferedCandidateEvents=[],this.transceivers[t].bufferCandidates=function(e){var r=!e.candidate||0===Object.keys(e.candidate).length;i.state=r?"completed":"gathering",null!==n.transceivers[t].bufferedCandidateEvents&&n.transceivers[t].bufferedCandidateEvents.push(e)},i.addEventListener("localcandidate",this.transceivers[t].bufferCandidates),i},p.prototype._gather=function(t,r){var i=this,o=this.transceivers[r].iceGatherer;if(!o.onlocalcandidate){var a=this.transceivers[r].bufferedCandidateEvents;this.transceivers[r].bufferedCandidateEvents=null,o.removeEventListener("localcandidate",this.transceivers[r].bufferCandidates),o.onlocalcandidate=function(e){if(!(i.usingBundle&&r>0)){var a=new Event("icecandidate");a.candidate={sdpMid:t,sdpMLineIndex:r};var s=e.candidate,c=!s||0===Object.keys(s).length;if(c)"new"!==o.state&&"gathering"!==o.state||(o.state="completed");else{"new"===o.state&&(o.state="gathering"),s.component=1,s.ufrag=o.getLocalParameters().usernameFragment;var d=n.writeCandidate(s);a.candidate=Object.assign(a.candidate,n.parseCandidate(d)),a.candidate.candidate=d,a.candidate.toJSON=function(){return{candidate:a.candidate.candidate,sdpMid:a.candidate.sdpMid,sdpMLineIndex:a.candidate.sdpMLineIndex,usernameFragment:a.candidate.usernameFragment}}}var p=n.getMediaSections(i._localDescription.sdp);p[a.candidate.sdpMLineIndex]+=c?"a=end-of-candidates\r\n":"a="+a.candidate.candidate+"\r\n",i._localDescription.sdp=n.getDescription(i._localDescription.sdp)+p.join("");var u=i.transceivers.every((function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state}));"gathering"!==i.iceGatheringState&&(i.iceGatheringState="gathering",i._emitGatheringStateChange()),c||i._dispatchEvent("icecandidate",a),u&&(i._dispatchEvent("icecandidate",new Event("icecandidate")),i.iceGatheringState="complete",i._emitGatheringStateChange())}},e.setTimeout((function(){a.forEach((function(e){o.onlocalcandidate(e)}))}),0)}},p.prototype._createIceAndDtlsTransports=function(){var t=this,r=new e.RTCIceTransport(null);r.onicestatechange=function(){t._updateIceConnectionState(),t._updateConnectionState()};var n=new e.RTCDtlsTransport(r);return n.ondtlsstatechange=function(){t._updateConnectionState()},n.onerror=function(){Object.defineProperty(n,"state",{value:"failed",writable:!0}),t._updateConnectionState()},{iceTransport:r,dtlsTransport:n}},p.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var r=this.transceivers[e].iceTransport;r&&(delete r.onicestatechange,delete this.transceivers[e].iceTransport);var n=this.transceivers[e].dtlsTransport;n&&(delete n.ondtlsstatechange,delete n.onerror,delete this.transceivers[e].dtlsTransport)},p.prototype._transceive=function(e,r,i){var a=o(e.localCapabilities,e.remoteCapabilities);r&&e.rtpSender&&(a.encodings=e.sendEncodingParameters,a.rtcp={cname:n.localCName,compound:e.rtcpParameters.compound},e.recvEncodingParameters.length&&(a.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(a)),i&&e.rtpReceiver&&a.codecs.length>0&&("video"===e.kind&&e.recvEncodingParameters&&t<15019&&e.recvEncodingParameters.forEach((function(e){delete e.rtx})),e.recvEncodingParameters.length?a.encodings=e.recvEncodingParameters:a.encodings=[{}],a.rtcp={compound:e.rtcpParameters.compound},e.rtcpParameters.cname&&(a.rtcp.cname=e.rtcpParameters.cname),e.sendEncodingParameters.length&&(a.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(a))},p.prototype.setLocalDescription=function(e){var t,r,i=this;if(-1===["offer","answer"].indexOf(e.type))return Promise.reject(c("TypeError",'Unsupported type "'+e.type+'"'));if(!a("setLocalDescription",e.type,i.signalingState)||i._isClosed)return Promise.reject(c("InvalidStateError","Can not set local "+e.type+" in state "+i.signalingState));if("offer"===e.type)t=n.splitSections(e.sdp),r=t.shift(),t.forEach((function(e,t){var r=n.parseRtpParameters(e);i.transceivers[t].localCapabilities=r})),i.transceivers.forEach((function(e,t){i._gather(e.mid,t)}));else if("answer"===e.type){t=n.splitSections(i._remoteDescription.sdp),r=t.shift();var s=n.matchPrefix(r,"a=ice-lite").length>0;t.forEach((function(e,t){var a=i.transceivers[t],c=a.iceGatherer,d=a.iceTransport,p=a.dtlsTransport,u=a.localCapabilities,f=a.remoteCapabilities;if(!(n.isRejected(e)&&0===n.matchPrefix(e,"a=bundle-only").length)&&!a.rejected){var l=n.getIceParameters(e,r),m=n.getDtlsParameters(e,r);s&&(m.role="server"),i.usingBundle&&0!==t||(i._gather(a.mid,t),"new"===d.state&&d.start(c,l,s?"controlling":"controlled"),"new"===p.state&&p.start(m));var h=o(u,f);i._transceive(a,h.codecs.length>0,!1)}}))}return i._localDescription={type:e.type,sdp:e.sdp},"offer"===e.type?i._updateSignalingState("have-local-offer"):i._updateSignalingState("stable"),Promise.resolve()},p.prototype.setRemoteDescription=function(i){var p=this;if(-1===["offer","answer"].indexOf(i.type))return Promise.reject(c("TypeError",'Unsupported type "'+i.type+'"'));if(!a("setRemoteDescription",i.type,p.signalingState)||p._isClosed)return Promise.reject(c("InvalidStateError","Can not set remote "+i.type+" in state "+p.signalingState));var u={};p.remoteStreams.forEach((function(e){u[e.id]=e}));var f=[],l=n.splitSections(i.sdp),m=l.shift(),h=n.matchPrefix(m,"a=ice-lite").length>0,v=n.matchPrefix(m,"a=group:BUNDLE ").length>0;p.usingBundle=v;var y=n.matchPrefix(m,"a=ice-options:")[0];return p.canTrickleIceCandidates=!!y&&y.substr(14).split(" ").indexOf("trickle")>=0,l.forEach((function(a,c){var d=n.splitLines(a),l=n.getKind(a),y=n.isRejected(a)&&0===n.matchPrefix(a,"a=bundle-only").length,g=d[0].substr(2).split(" ")[2],C=n.getDirection(a,m),S=n.parseMsid(a),R=n.getMid(a)||n.generateIdentifier();if(y||"application"===l&&("DTLS/SCTP"===g||"UDP/DTLS/SCTP"===g))p.transceivers[c]={mid:R,kind:l,protocol:g,rejected:!0};else{var _,T,E,b,w,P,O,k,x;!y&&p.transceivers[c]&&p.transceivers[c].rejected&&(p.transceivers[c]=p._createTransceiver(l,!0));var M,I,D=n.parseRtpParameters(a);y||(M=n.getIceParameters(a,m),(I=n.getDtlsParameters(a,m)).role="client"),O=n.parseRtpEncodingParameters(a);var L=n.parseRtcpParameters(a),N=n.matchPrefix(a,"a=end-of-candidates",m).length>0,j=n.matchPrefix(a,"a=candidate:").map((function(e){return n.parseCandidate(e)})).filter((function(e){return 1===e.component}));if(("offer"===i.type||"answer"===i.type)&&!y&&v&&c>0&&p.transceivers[c]&&(p._disposeIceAndDtlsTransports(c),p.transceivers[c].iceGatherer=p.transceivers[0].iceGatherer,p.transceivers[c].iceTransport=p.transceivers[0].iceTransport,p.transceivers[c].dtlsTransport=p.transceivers[0].dtlsTransport,p.transceivers[c].rtpSender&&p.transceivers[c].rtpSender.setTransport(p.transceivers[0].dtlsTransport),p.transceivers[c].rtpReceiver&&p.transceivers[c].rtpReceiver.setTransport(p.transceivers[0].dtlsTransport)),"offer"!==i.type||y){if("answer"===i.type&&!y){T=(_=p.transceivers[c]).iceGatherer,E=_.iceTransport,b=_.dtlsTransport,w=_.rtpReceiver,P=_.sendEncodingParameters,k=_.localCapabilities,p.transceivers[c].recvEncodingParameters=O,p.transceivers[c].remoteCapabilities=D,p.transceivers[c].rtcpParameters=L,j.length&&"new"===E.state&&(!h&&!N||v&&0!==c?j.forEach((function(e){s(_.iceTransport,e)})):E.setRemoteCandidates(j)),v&&0!==c||("new"===E.state&&E.start(T,M,"controlling"),"new"===b.state&&b.start(I)),!o(_.localCapabilities,_.remoteCapabilities).codecs.filter((function(e){return"rtx"===e.name.toLowerCase()})).length&&_.sendEncodingParameters[0].rtx&&delete _.sendEncodingParameters[0].rtx,p._transceive(_,"sendrecv"===C||"recvonly"===C,"sendrecv"===C||"sendonly"===C),!w||"sendrecv"!==C&&"sendonly"!==C?delete _.rtpReceiver:(x=w.track,S?(u[S.stream]||(u[S.stream]=new e.MediaStream),r(x,u[S.stream]),f.push([x,w,u[S.stream]])):(u.default||(u.default=new e.MediaStream),r(x,u.default),f.push([x,w,u.default])))}}else{(_=p.transceivers[c]||p._createTransceiver(l)).mid=R,_.iceGatherer||(_.iceGatherer=p._createIceGatherer(c,v)),j.length&&"new"===_.iceTransport.state&&(!N||v&&0!==c?j.forEach((function(e){s(_.iceTransport,e)})):_.iceTransport.setRemoteCandidates(j)),k=e.RTCRtpReceiver.getCapabilities(l),t<15019&&(k.codecs=k.codecs.filter((function(e){return"rtx"!==e.name}))),P=_.sendEncodingParameters||[{ssrc:1001*(2*c+2)}];var A,U=!1;if("sendrecv"===C||"sendonly"===C){if(U=!_.rtpReceiver,w=_.rtpReceiver||new e.RTCRtpReceiver(_.dtlsTransport,l),U)x=w.track,S&&"-"===S.stream||(S?(u[S.stream]||(u[S.stream]=new e.MediaStream,Object.defineProperty(u[S.stream],"id",{get:function(){return S.stream}})),Object.defineProperty(x,"id",{get:function(){return S.track}}),A=u[S.stream]):(u.default||(u.default=new e.MediaStream),A=u.default)),A&&(r(x,A),_.associatedRemoteMediaStreams.push(A)),f.push([x,w,A])}else _.rtpReceiver&&_.rtpReceiver.track&&(_.associatedRemoteMediaStreams.forEach((function(t){var r=t.getTracks().find((function(e){return e.id===_.rtpReceiver.track.id}));r&&function(t,r){r.removeTrack(t),r.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:t}))}(r,t)})),_.associatedRemoteMediaStreams=[]);_.localCapabilities=k,_.remoteCapabilities=D,_.rtpReceiver=w,_.rtcpParameters=L,_.sendEncodingParameters=P,_.recvEncodingParameters=O,p._transceive(p.transceivers[c],!1,U)}}})),void 0===p._dtlsRole&&(p._dtlsRole="offer"===i.type?"active":"passive"),p._remoteDescription={type:i.type,sdp:i.sdp},"offer"===i.type?p._updateSignalingState("have-remote-offer"):p._updateSignalingState("stable"),Object.keys(u).forEach((function(t){var r=u[t];if(r.getTracks().length){if(-1===p.remoteStreams.indexOf(r)){p.remoteStreams.push(r);var n=new Event("addstream");n.stream=r,e.setTimeout((function(){p._dispatchEvent("addstream",n)}))}f.forEach((function(e){var t=e[0],n=e[1];r.id===e[2].id&&d(p,t,n,[r])}))}})),f.forEach((function(e){e[2]||d(p,e[0],e[1],[])})),e.setTimeout((function(){p&&p.transceivers&&p.transceivers.forEach((function(e){e.iceTransport&&"new"===e.iceTransport.state&&e.iceTransport.getRemoteCandidates().length>0&&(console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification"),e.iceTransport.addRemoteCandidate({}))}))}),4e3),Promise.resolve()},p.prototype.close=function(){this.transceivers.forEach((function(e){e.iceTransport&&e.iceTransport.stop(),e.dtlsTransport&&e.dtlsTransport.stop(),e.rtpSender&&e.rtpSender.stop(),e.rtpReceiver&&e.rtpReceiver.stop()})),this._isClosed=!0,this._updateSignalingState("closed")},p.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)},p.prototype._maybeFireNegotiationNeeded=function(){var t=this;"stable"===this.signalingState&&!0!==this.needNegotiation&&(this.needNegotiation=!0,e.setTimeout((function(){if(t.needNegotiation){t.needNegotiation=!1;var e=new Event("negotiationneeded");t._dispatchEvent("negotiationneeded",e)}}),0))},p.prototype._updateIceConnectionState=function(){var e,t={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach((function(e){e.iceTransport&&!e.rejected&&t[e.iceTransport.state]++})),e="new",t.failed>0?e="failed":t.checking>0?e="checking":t.disconnected>0?e="disconnected":t.new>0?e="new":t.connected>0?e="connected":t.completed>0&&(e="completed"),e!==this.iceConnectionState){this.iceConnectionState=e;var r=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",r)}},p.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach((function(e){e.iceTransport&&e.dtlsTransport&&!e.rejected&&(t[e.iceTransport.state]++,t[e.dtlsTransport.state]++)})),t.connected+=t.completed,e="new",t.failed>0?e="failed":t.connecting>0?e="connecting":t.disconnected>0?e="disconnected":t.new>0?e="new":t.connected>0&&(e="connected"),e!==this.connectionState){this.connectionState=e;var r=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",r)}},p.prototype.createOffer=function(){var r=this;if(r._isClosed)return Promise.reject(c("InvalidStateError","Can not call createOffer after close"));var o=r.transceivers.filter((function(e){return"audio"===e.kind})).length,a=r.transceivers.filter((function(e){return"video"===e.kind})).length,s=arguments[0];if(s){if(s.mandatory||s.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==s.offerToReceiveAudio&&(o=!0===s.offerToReceiveAudio?1:!1===s.offerToReceiveAudio?0:s.offerToReceiveAudio),void 0!==s.offerToReceiveVideo&&(a=!0===s.offerToReceiveVideo?1:!1===s.offerToReceiveVideo?0:s.offerToReceiveVideo)}for(r.transceivers.forEach((function(e){"audio"===e.kind?--o<0&&(e.wantReceive=!1):"video"===e.kind&&--a<0&&(e.wantReceive=!1)}));o>0||a>0;)o>0&&(r._createTransceiver("audio"),o--),a>0&&(r._createTransceiver("video"),a--);var d=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.transceivers.forEach((function(i,o){var a=i.track,s=i.kind,c=i.mid||n.generateIdentifier();i.mid=c,i.iceGatherer||(i.iceGatherer=r._createIceGatherer(o,r.usingBundle));var d=e.RTCRtpSender.getCapabilities(s);t<15019&&(d.codecs=d.codecs.filter((function(e){return"rtx"!==e.name}))),d.codecs.forEach((function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1"),i.remoteCapabilities&&i.remoteCapabilities.codecs&&i.remoteCapabilities.codecs.forEach((function(t){e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate&&(e.preferredPayloadType=t.payloadType)}))})),d.headerExtensions.forEach((function(e){(i.remoteCapabilities&&i.remoteCapabilities.headerExtensions||[]).forEach((function(t){e.uri===t.uri&&(e.id=t.id)}))}));var p=i.sendEncodingParameters||[{ssrc:1001*(2*o+1)}];a&&t>=15019&&"video"===s&&!p[0].rtx&&(p[0].rtx={ssrc:p[0].ssrc+1}),i.wantReceive&&(i.rtpReceiver=new e.RTCRtpReceiver(i.dtlsTransport,s)),i.localCapabilities=d,i.sendEncodingParameters=p})),"max-compat"!==r._config.bundlePolicy&&(d+="a=group:BUNDLE "+r.transceivers.map((function(e){return e.mid})).join(" ")+"\r\n"),d+="a=ice-options:trickle\r\n",r.transceivers.forEach((function(e,t){d+=i(e,e.localCapabilities,"offer",e.stream,r._dtlsRole),d+="a=rtcp-rsize\r\n",!e.iceGatherer||"new"===r.iceGatheringState||0!==t&&r.usingBundle||(e.iceGatherer.getLocalCandidates().forEach((function(e){e.component=1,d+="a="+n.writeCandidate(e)+"\r\n"})),"completed"===e.iceGatherer.state&&(d+="a=end-of-candidates\r\n"))}));var p=new e.RTCSessionDescription({type:"offer",sdp:d});return Promise.resolve(p)},p.prototype.createAnswer=function(){var r=this;if(r._isClosed)return Promise.reject(c("InvalidStateError","Can not call createAnswer after close"));if("have-remote-offer"!==r.signalingState&&"have-local-pranswer"!==r.signalingState)return Promise.reject(c("InvalidStateError","Can not call createAnswer in signalingState "+r.signalingState));var a=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.usingBundle&&(a+="a=group:BUNDLE "+r.transceivers.map((function(e){return e.mid})).join(" ")+"\r\n"),a+="a=ice-options:trickle\r\n";var s=n.getMediaSections(r._remoteDescription.sdp).length;r.transceivers.forEach((function(e,n){if(!(n+1>s)){if(e.rejected)return"application"===e.kind?"DTLS/SCTP"===e.protocol?a+="m=application 0 DTLS/SCTP 5000\r\n":a+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n":"audio"===e.kind?a+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n":"video"===e.kind&&(a+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),void(a+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n");var c;if(e.stream)"audio"===e.kind?c=e.stream.getAudioTracks()[0]:"video"===e.kind&&(c=e.stream.getVideoTracks()[0]),c&&t>=15019&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx&&(e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1});var d=o(e.localCapabilities,e.remoteCapabilities);!d.codecs.filter((function(e){return"rtx"===e.name.toLowerCase()})).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,a+=i(e,d,"answer",e.stream,r._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(a+="a=rtcp-rsize\r\n")}}));var d=new e.RTCSessionDescription({type:"answer",sdp:a});return Promise.resolve(d)},p.prototype.addIceCandidate=function(e){var t,r=this;return e&&void 0===e.sdpMLineIndex&&!e.sdpMid?Promise.reject(new TypeError("sdpMLineIndex or sdpMid required")):new Promise((function(i,o){if(!r._remoteDescription)return o(c("InvalidStateError","Can not add ICE candidate without a remote description"));if(e&&""!==e.candidate){var a=e.sdpMLineIndex;if(e.sdpMid)for(var d=0;d<r.transceivers.length;d++)if(r.transceivers[d].mid===e.sdpMid){a=d;break}var p=r.transceivers[a];if(!p)return o(c("OperationError","Can not add ICE candidate"));if(p.rejected)return i();var u=Object.keys(e.candidate).length>0?n.parseCandidate(e.candidate):{};if("tcp"===u.protocol&&(0===u.port||9===u.port))return i();if(u.component&&1!==u.component)return i();if((0===a||a>0&&p.iceTransport!==r.transceivers[0].iceTransport)&&!s(p.iceTransport,u))return o(c("OperationError","Can not add ICE candidate"));var f=e.candidate.trim();0===f.indexOf("a=")&&(f=f.substr(2)),(t=n.getMediaSections(r._remoteDescription.sdp))[a]+="a="+(u.type?f:"end-of-candidates")+"\r\n",r._remoteDescription.sdp=n.getDescription(r._remoteDescription.sdp)+t.join("")}else for(var l=0;l<r.transceivers.length&&(r.transceivers[l].rejected||(r.transceivers[l].iceTransport.addRemoteCandidate({}),(t=n.getMediaSections(r._remoteDescription.sdp))[l]+="a=end-of-candidates\r\n",r._remoteDescription.sdp=n.getDescription(r._remoteDescription.sdp)+t.join(""),!r.usingBundle));l++);i()}))},p.prototype.getStats=function(t){if(t&&t instanceof e.MediaStreamTrack){var r=null;if(this.transceivers.forEach((function(e){e.rtpSender&&e.rtpSender.track===t?r=e.rtpSender:e.rtpReceiver&&e.rtpReceiver.track===t&&(r=e.rtpReceiver)})),!r)throw c("InvalidAccessError","Invalid selector.");return r.getStats()}var n=[];return this.transceivers.forEach((function(e){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach((function(t){e[t]&&n.push(e[t].getStats())}))})),Promise.all(n).then((function(e){var t=new Map;return e.forEach((function(e){e.forEach((function(e){t.set(e.id,e)}))})),t}))};["RTCRtpSender","RTCRtpReceiver","RTCIceGatherer","RTCIceTransport","RTCDtlsTransport"].forEach((function(t){var r=e[t];if(r&&r.prototype&&r.prototype.getStats){var n=r.prototype.getStats;r.prototype.getStats=function(){return n.apply(this).then((function(e){var t=new Map;return Object.keys(e).forEach((function(r){var n;e[r].type={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[(n=e[r]).type]||n.type,t.set(r,e[r])})),t}))}}}));var u=["createOffer","createAnswer"];return u.forEach((function(e){var t=p.prototype[e];p.prototype[e]=function(){var e=arguments;return"function"==typeof e[0]||"function"==typeof e[1]?t.apply(this,[arguments[2]]).then((function(t){"function"==typeof e[0]&&e[0].apply(null,[t])}),(function(t){"function"==typeof e[1]&&e[1].apply(null,[t])})):t.apply(this,arguments)}})),(u=["setLocalDescription","setRemoteDescription","addIceCandidate"]).forEach((function(e){var t=p.prototype[e];p.prototype[e]=function(){var e=arguments;return"function"==typeof e[1]||"function"==typeof e[2]?t.apply(this,arguments).then((function(){"function"==typeof e[1]&&e[1].apply(null)}),(function(t){"function"==typeof e[2]&&e[2].apply(null,[t])})):t.apply(this,arguments)}})),["getStats"].forEach((function(e){var t=p.prototype[e];p.prototype[e]=function(){var e=arguments;return"function"==typeof e[1]?t.apply(this,arguments).then((function(){"function"==typeof e[1]&&e[1].apply(null)})):t.apply(this,arguments)}})),p}},function(e,t,r){"use strict";e.exports=function(e){var t=e&&e.navigator,r=t.mediaDevices.getUserMedia.bind(t.mediaDevices);t.mediaDevices.getUserMedia=function(e){return r(e).catch((function(e){return Promise.reject(function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}}(e))}))}}},function(e,t,r){"use strict";var n=r(1);e.exports={shimGetUserMedia:r(30),shimOnTrack:function(e){"object"==typeof e&&e.RTCPeerConnection&&!("ontrack"in e.RTCPeerConnection.prototype)&&Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=e),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(t){var r=new Event("track");r.track=t,r.receiver={track:t},r.transceiver={receiver:r.receiver},r.streams=[e.stream],this.dispatchEvent(r)}.bind(this))}.bind(this))},enumerable:!0,configurable:!0}),"object"==typeof e&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})},shimSourceObject:function(e){"object"==typeof e&&e.HTMLMediaElement&&!("srcObject"in e.HTMLMediaElement.prototype)&&Object.defineProperty(e.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(e){this.mozSrcObject=e}})},shimPeerConnection:function(e){var t=n.detectBrowser(e);if("object"==typeof e&&(e.RTCPeerConnection||e.mozRTCPeerConnection)){e.RTCPeerConnection||(e.RTCPeerConnection=function(r,n){if(t.version<38&&r&&r.iceServers){for(var i=[],o=0;o<r.iceServers.length;o++){var a=r.iceServers[o];if(a.hasOwnProperty("urls"))for(var s=0;s<a.urls.length;s++){var c={url:a.urls[s]};0===a.urls[s].indexOf("turn")&&(c.username=a.username,c.credential=a.credential),i.push(c)}else i.push(r.iceServers[o])}r.iceServers=i}return new e.mozRTCPeerConnection(r,n)},e.RTCPeerConnection.prototype=e.mozRTCPeerConnection.prototype,e.mozRTCPeerConnection.generateCertificate&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:function(){return e.mozRTCPeerConnection.generateCertificate}}),e.RTCSessionDescription=e.mozRTCSessionDescription,e.RTCIceCandidate=e.mozRTCIceCandidate),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){var r=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}}));var r=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?r.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())};var i={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},o=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(e,r,n){return o.apply(this,[e||null]).then((function(e){if(t.version<48&&(e=function(e){var t=new Map;return Object.keys(e).forEach((function(r){t.set(r,e[r]),t[r]=e[r]})),t}(e)),t.version<53&&!r)try{e.forEach((function(e){e.type=i[e.type]||e.type}))}catch(t){if("TypeError"!==t.name)throw t;e.forEach((function(t,r){e.set(r,Object.assign({},t,{type:i[t.type]||t.type}))}))}return e})).then(r,n)}}},shimSenderGetStats:function(e){if("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender&&(!e.RTCRtpSender||!("getStats"in e.RTCRtpSender.prototype))){var t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){var e=this,r=t.apply(e,[]);return r.forEach((function(t){t._pc=e})),r});var r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){var e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}},shimReceiverGetStats:function(e){if("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender&&(!e.RTCRtpSender||!("getStats"in e.RTCRtpReceiver.prototype))){var t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,r=t.apply(e,[]);return r.forEach((function(t){t._pc=e})),r}),n.wrapPeerConnectionEvent(e,"track",(function(e){return e.receiver._pc=e.srcElement,e})),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}},shimRemoveStream:function(e){e.RTCPeerConnection&&!("removeStream"in e.RTCPeerConnection.prototype)&&(e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;n.deprecated("removeStream","removeTrack"),this.getSenders().forEach((function(r){r.track&&-1!==e.getTracks().indexOf(r.track)&&t.removeTrack(r)}))})},shimRTCDataChannel:function(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)},shimGetDisplayMedia:function(e,t){e.navigator&&e.navigator.mediaDevices&&!("getDisplayMedia"in e.navigator.mediaDevices)&&(e.navigator.mediaDevices.getDisplayMedia=function(r){if(!r||!r.video){var n=new DOMException("getDisplayMedia without video constraints is undefined");return n.name="NotFoundError",n.code=8,Promise.reject(n)}return!0===r.video?r.video={mediaSource:t}:r.video.mediaSource=t,e.navigator.mediaDevices.getUserMedia(r)},e.navigator.getDisplayMedia=function(t){return n.deprecated("navigator.getDisplayMedia","navigator.mediaDevices.getDisplayMedia"),e.navigator.mediaDevices.getDisplayMedia(t)})}}},function(e,t,r){"use strict";var n=r(1),i=n.log;e.exports=function(e){var t=n.detectBrowser(e),r=e&&e.navigator,o=e&&e.MediaStreamTrack,a=function(e){return{name:{InternalError:"NotReadableError",NotSupportedError:"TypeError",PermissionDeniedError:"NotAllowedError",SecurityError:"NotAllowedError"}[e.name]||e.name,message:{"The operation is insecure.":"The request is not allowed by the user agent or the platform in the current context."}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&": ")+this.message}}},s=function(e,n,o){var s=function(e){if("object"!=typeof e||e.require)return e;var t=[];return Object.keys(e).forEach((function(r){if("require"!==r&&"advanced"!==r&&"mediaSource"!==r){var n=e[r]="object"==typeof e[r]?e[r]:{ideal:e[r]};if(void 0===n.min&&void 0===n.max&&void 0===n.exact||t.push(r),void 0!==n.exact&&("number"==typeof n.exact?n.min=n.max=n.exact:e[r]=n.exact,delete n.exact),void 0!==n.ideal){e.advanced=e.advanced||[];var i={};"number"==typeof n.ideal?i[r]={min:n.ideal,max:n.ideal}:i[r]=n.ideal,e.advanced.push(i),delete n.ideal,Object.keys(n).length||delete e[r]}}})),t.length&&(e.require=t),e};return e=JSON.parse(JSON.stringify(e)),t.version<38&&(i("spec: "+JSON.stringify(e)),e.audio&&(e.audio=s(e.audio)),e.video&&(e.video=s(e.video)),i("ff37: "+JSON.stringify(e))),r.mozGetUserMedia(e,n,(function(e){o(a(e))}))};if(r.mediaDevices||(r.mediaDevices={getUserMedia:function(e){return new Promise((function(t,r){s(e,t,r)}))},addEventListener:function(){},removeEventListener:function(){}}),r.mediaDevices.enumerateDevices=r.mediaDevices.enumerateDevices||function(){return new Promise((function(e){e([{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}])}))},t.version<41){var c=r.mediaDevices.enumerateDevices.bind(r.mediaDevices);r.mediaDevices.enumerateDevices=function(){return c().then(void 0,(function(e){if("NotFoundError"===e.name)return[];throw e}))}}if(t.version<49){var d=r.mediaDevices.getUserMedia.bind(r.mediaDevices);r.mediaDevices.getUserMedia=function(e){return d(e).then((function(t){if(e.audio&&!t.getAudioTracks().length||e.video&&!t.getVideoTracks().length)throw t.getTracks().forEach((function(e){e.stop()})),new DOMException("The object can not be found here.","NotFoundError");return t}),(function(e){return Promise.reject(a(e))}))}}if(!(t.version>55&&"autoGainControl"in r.mediaDevices.getSupportedConstraints())){var p=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])},u=r.mediaDevices.getUserMedia.bind(r.mediaDevices);if(r.mediaDevices.getUserMedia=function(e){return"object"==typeof e&&"object"==typeof e.audio&&(e=JSON.parse(JSON.stringify(e)),p(e.audio,"autoGainControl","mozAutoGainControl"),p(e.audio,"noiseSuppression","mozNoiseSuppression")),u(e)},o&&o.prototype.getSettings){var f=o.prototype.getSettings;o.prototype.getSettings=function(){var e=f.apply(this,arguments);return p(e,"mozAutoGainControl","autoGainControl"),p(e,"mozNoiseSuppression","noiseSuppression"),e}}if(o&&o.prototype.applyConstraints){var l=o.prototype.applyConstraints;o.prototype.applyConstraints=function(e){return"audio"===this.kind&&"object"==typeof e&&(e=JSON.parse(JSON.stringify(e)),p(e,"autoGainControl","mozAutoGainControl"),p(e,"noiseSuppression","mozNoiseSuppression")),l.apply(this,[e])}}}r.getUserMedia=function(e,i,o){if(t.version<44)return s(e,i,o);n.deprecated("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),r.mediaDevices.getUserMedia(e).then(i,o)}}},function(e,t,r){"use strict";var n=r(1);e.exports={shimLocalStreamsAPI:function(e){if("object"==typeof e&&e.RTCPeerConnection){if("getLocalStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||(this._localStreams=[]),this._localStreams}),"getStreamById"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getStreamById=function(e){var t=null;return this._localStreams&&this._localStreams.forEach((function(r){r.id===e&&(t=r)})),this._remoteStreams&&this._remoteStreams.forEach((function(r){r.id===e&&(t=r)})),t}),!("addStream"in e.RTCPeerConnection.prototype)){var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){this._localStreams||(this._localStreams=[]),-1===this._localStreams.indexOf(e)&&this._localStreams.push(e);var r=this;e.getTracks().forEach((function(n){t.call(r,n,e)}))},e.RTCPeerConnection.prototype.addTrack=function(e,r){return r&&(this._localStreams?-1===this._localStreams.indexOf(r)&&this._localStreams.push(r):this._localStreams=[r]),t.call(this,e,r)}}"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){this._localStreams||(this._localStreams=[]);var t=this._localStreams.indexOf(e);if(-1!==t){this._localStreams.splice(t,1);var r=this,n=e.getTracks();this.getSenders().forEach((function(e){-1!==n.indexOf(e.track)&&r.removeTrack(e)}))}})}},shimRemoteStreamsAPI:function(e){if("object"==typeof e&&e.RTCPeerConnection&&("getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}),!("onaddstream"in e.RTCPeerConnection.prototype))){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){this._onaddstream&&this.removeEventListener("addstream",this._onaddstream),this.addEventListener("addstream",this._onaddstream=e)}});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var e=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach((function(t){if(e._remoteStreams||(e._remoteStreams=[]),!(e._remoteStreams.indexOf(t)>=0)){e._remoteStreams.push(t);var r=new Event("addstream");r.stream=t,e.dispatchEvent(r)}}))}),t.apply(e,arguments)}}},shimCallbacksAPI:function(e){if("object"==typeof e&&e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype,r=t.createOffer,n=t.createAnswer,i=t.setLocalDescription,o=t.setRemoteDescription,a=t.addIceCandidate;t.createOffer=function(e,t){var n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t){var r=arguments.length>=2?arguments[2]:arguments[0],i=n.apply(this,[r]);return t?(i.then(e,t),Promise.resolve()):i};var s=function(e,t,r){var n=i.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n};t.setLocalDescription=s,s=function(e,t,r){var n=o.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},t.setRemoteDescription=s,s=function(e,t,r){var n=a.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},t.addIceCandidate=s}},shimGetUserMedia:function(e){var t=e&&e.navigator;t.getUserMedia||(t.webkitGetUserMedia?t.getUserMedia=t.webkitGetUserMedia.bind(t):t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=function(e,r,n){t.mediaDevices.getUserMedia(e).then(r,n)}.bind(t)))},shimRTCIceServerUrls:function(e){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){for(var i=[],o=0;o<e.iceServers.length;o++){var a=e.iceServers[o];!a.hasOwnProperty("urls")&&a.hasOwnProperty("url")?(n.deprecated("RTCIceServer.url","RTCIceServer.urls"),(a=JSON.parse(JSON.stringify(a))).urls=a.url,delete a.url,i.push(a)):i.push(e.iceServers[o])}e.iceServers=i}return new t(e,r)},e.RTCPeerConnection.prototype=t.prototype,"generateCertificate"in e.RTCPeerConnection&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:function(){return t.generateCertificate}})},shimTrackEventTransceiver:function(e){"object"==typeof e&&e.RTCPeerConnection&&"receiver"in e.RTCTrackEvent.prototype&&!e.RTCTransceiver&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})},shimCreateOfferLegacy:function(e){var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){var r=this;if(e){void 0!==e.offerToReceiveAudio&&(e.offerToReceiveAudio=!!e.offerToReceiveAudio);var n=r.getTransceivers().find((function(e){return e.sender.track&&"audio"===e.sender.track.kind}));!1===e.offerToReceiveAudio&&n?"sendrecv"===n.direction?n.setDirection?n.setDirection("sendonly"):n.direction="sendonly":"recvonly"===n.direction&&(n.setDirection?n.setDirection("inactive"):n.direction="inactive"):!0!==e.offerToReceiveAudio||n||r.addTransceiver("audio"),void 0!==e.offerToReceiveVideo&&(e.offerToReceiveVideo=!!e.offerToReceiveVideo);var i=r.getTransceivers().find((function(e){return e.sender.track&&"video"===e.sender.track.kind}));!1===e.offerToReceiveVideo&&i?"sendrecv"===i.direction?i.setDirection("sendonly"):"recvonly"===i.direction&&i.setDirection("inactive"):!0!==e.offerToReceiveVideo||i||r.addTransceiver("video")}return t.apply(r,arguments)}}}},function(e,t,r){"use strict";var n=r(8),i=r(1);e.exports={shimRTCIceCandidate:function(e){if(!(!e.RTCIceCandidate||e.RTCIceCandidate&&"foundation"in e.RTCIceCandidate.prototype)){var t=e.RTCIceCandidate;e.RTCIceCandidate=function(e){if("object"==typeof e&&e.candidate&&0===e.candidate.indexOf("a=")&&((e=JSON.parse(JSON.stringify(e))).candidate=e.candidate.substr(2)),e.candidate&&e.candidate.length){var r=new t(e),i=n.parseCandidate(e.candidate),o=Object.assign(r,i);return o.toJSON=function(){return{candidate:o.candidate,sdpMid:o.sdpMid,sdpMLineIndex:o.sdpMLineIndex,usernameFragment:o.usernameFragment}},o}return new t(e)},e.RTCIceCandidate.prototype=t.prototype,i.wrapPeerConnectionEvent(e,"icecandidate",(function(t){return t.candidate&&Object.defineProperty(t,"candidate",{value:new e.RTCIceCandidate(t.candidate),writable:"false"}),t}))}},shimCreateObjectURL:function(e){var t=e&&e.URL;if("object"==typeof e&&e.HTMLMediaElement&&"srcObject"in e.HTMLMediaElement.prototype&&t.createObjectURL&&t.revokeObjectURL){var r=t.createObjectURL.bind(t),n=t.revokeObjectURL.bind(t),o=new Map,a=0;t.createObjectURL=function(e){if("getTracks"in e){var t="polyblob:"+ ++a;return o.set(t,e),i.deprecated("URL.createObjectURL(stream)","elem.srcObject = stream"),t}return r(e)},t.revokeObjectURL=function(e){n(e),o.delete(e)};var s=Object.getOwnPropertyDescriptor(e.HTMLMediaElement.prototype,"src");Object.defineProperty(e.HTMLMediaElement.prototype,"src",{get:function(){return s.get.apply(this)},set:function(e){return this.srcObject=o.get(e)||null,s.set.apply(this,[e])}});var c=e.HTMLMediaElement.prototype.setAttribute;e.HTMLMediaElement.prototype.setAttribute=function(){return 2===arguments.length&&"src"===(""+arguments[0]).toLowerCase()&&(this.srcObject=o.get(arguments[1])||null),c.apply(this,arguments)}}},shimMaxMessageSize:function(e){if(!e.RTCSctpTransport&&e.RTCPeerConnection){var t=i.detectBrowser(e);"sctp"in e.RTCPeerConnection.prototype||Object.defineProperty(e.RTCPeerConnection.prototype,"sctp",{get:function(){return void 0===this._sctp?null:this._sctp}});var r=function(e){var t=n.splitSections(e.sdp);return t.shift(),t.some((function(e){var t=n.parseMLine(e);return t&&"application"===t.kind&&-1!==t.protocol.indexOf("SCTP")}))},o=function(e){var t=e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===t||t.length<2)return-1;var r=parseInt(t[1],10);return r!=r?-1:r},a=function(e){var r=65536;return"firefox"===t.browser&&(r=t.version<57?-1===e?16384:2147483637:t.version<60?57===t.version?65535:65536:2147483637),r},s=function(e,r){var i=65536;"firefox"===t.browser&&57===t.version&&(i=65535);var o=n.matchPrefix(e.sdp,"a=max-message-size:");return o.length>0?i=parseInt(o[0].substr(19),10):"firefox"===t.browser&&-1!==r&&(i=2147483637),i},c=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var e=this;if(e._sctp=null,r(arguments[0])){var t,n=o(arguments[0]),i=a(n),d=s(arguments[0],n);t=0===i&&0===d?Number.POSITIVE_INFINITY:0===i||0===d?Math.max(i,d):Math.min(i,d);var p={};Object.defineProperty(p,"maxMessageSize",{get:function(){return t}}),e._sctp=p}return c.apply(e,arguments)}}},shimSendThrowTypeError:function(e){if(e.RTCPeerConnection&&"createDataChannel"in e.RTCPeerConnection.prototype){var t=e.RTCPeerConnection.prototype.createDataChannel;e.RTCPeerConnection.prototype.createDataChannel=function(){var e=this,n=t.apply(e,arguments);return r(n,e),n},i.wrapPeerConnectionEvent(e,"datachannel",(function(e){return r(e.channel,e.target),e}))}function r(e,t){var r=e.send;e.send=function(){var n=arguments[0],i=n.length||n.size||n.byteLength;if("open"===e.readyState&&t.sctp&&i>t.sctp.maxMessageSize)throw new TypeError("Message too large (can send a maximum of "+t.sctp.maxMessageSize+" bytes)");return r.apply(e,arguments)}}}}},function(e,t,r){"use strict";var n,i=this&&this.__extends||(n=function(e,t){return(n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}n(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),o=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.AliRTS=void 0;var a=r(34),s=r(36),c=o(r(60)),d=o(r(5)),p=o(r(7)),u=function(e){function t(t){var r=e.call(this)||this;return r._reporter=new c.default(t),r.subscriber=new s.Subscriber(r._reporter),r.subscriber.on("onError",(function(e){r.emit("onError",e)})),r.subscriber.on("onPlayEvent",(function(e){r.emit("onPlayEvent",e)})),r}return i(t,e),t.prototype.getVersion=function(){return p.default.version},t.prototype.isSupport=function(e){return(new a.SupportUtil).isSupport(e)},t.prototype.startLiveStream=function(e,t){return this.subscriber.startLiveStream(e,t)},t.prototype.stopLiveStream=function(){this.subscriber.stopLiveStream()},t.prototype.muteLiveStream=function(e){this.subscriber.muteLiveStream(e)},t}(d.default);t.AliRTS=u},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.SupportUtil=void 0;var n=r(2),i=r(3),o=r(4),a=r(35),s=function(){this.errorCode=0,this.message=""},c=function(){function e(){}return e.prototype.isSupport=function(e){var t=this;return new Promise((function(r,n){var i=new s;t.checkWebRtcSupport()||(i.errorCode=o.ErrorCode.ERROR_NOTSUPPORT_WEBRTC,i.message=a.EN.MESSAGE_NOTSUPPORT_WEBRTC),t.checkBrowser(i)?e.isReceiveVideo?t.checkH264(i).then((function(){r(i)})).catch((function(){n(i)})):r(i):n(i)}))},e.prototype.checkWebRtcSupport=function(){return!!window.RTCPeerConnection},e.prototype.checkBrowser=function(e){if(i.SystemUtil.isIos){if(n.BrowserUtil.isSafari)return n.BrowserUtil.browserMainVersion>=11||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isMicroMessenger)return!!n.BrowserUtil.compareVersion("7.0.9")||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isDingTalk)return!!i.SystemUtil.compareVersion("11.2.5")||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1)}else if(i.SystemUtil.isAndroid){if(n.BrowserUtil.isChrome)return n.BrowserUtil.browserMainVersion>=63||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isMicroMessenger)return!!n.BrowserUtil.compareVersion("7.0.9")||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1)}else if(i.SystemUtil.isMacOS){if(n.BrowserUtil.isElectron)return!0;if(n.BrowserUtil.isSafari)return n.BrowserUtil.browserMainVersion>=11||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isChrome)return n.BrowserUtil.browserMainVersion>=63||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isFirefox)return n.BrowserUtil.browserMainVersion>=62||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isOpera)return n.BrowserUtil.browserMainVersion>=15||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1)}else if(i.SystemUtil.isWindows){if(n.BrowserUtil.isElectron)return!0;if(n.BrowserUtil.isChrome)return n.BrowserUtil.browserMainVersion>=63||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isFirefox)return n.BrowserUtil.browserMainVersion>=62||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isOpera)return n.BrowserUtil.browserMainVersion>=15||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1)}else if(i.SystemUtil.isLinux){if(n.BrowserUtil.isChrome)return n.BrowserUtil.browserMainVersion>=63||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1);if(n.BrowserUtil.isFirefox)return n.BrowserUtil.browserMainVersion>=62||(e.errorCode=o.ErrorCode.ERROR_BROWSER_VERSIONLOW,e.message=a.EN.MESSAGE_BROWSER_VERSIONLOW,!1)}return 0===e.errorCode&&(e.errorCode=o.ErrorCode.ERROR_BROWSER_NOTSUPPORT,e.message=a.EN.MESSAGE_BROWSER_NOTSUPPORT),!1},e.prototype.checkH264=function(e){var t=this;return new Promise((function(r,n){(new RTCPeerConnection).createOffer({offerToReceiveVideo:!0,offerToReceiveAudio:!0}).then((function(i){t.checkSDPSupportH264(i.sdp)?r():(e.errorCode=o.ErrorCode.ERROR_NOTSUPPORT_H264,e.message=a.EN.MESSAGE_NOTSUPPORT_H264,n())})).catch((function(t){e.errorCode=o.ErrorCode.ERROR_CREATEOFFER,e.message=a.EN.MESSAGE_CREATEOFFER,n()}))}))},e.prototype.checkSDPSupportH264=function(e){return e.indexOf("H264")>0||e.indexOf("h264")>0||e.indexOf("H.264")>0||e.indexOf("h.264")>0},e}();t.SupportUtil=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.EN=void 0,function(e){e.MESSAGE_NOTSUPPORT_WEBRTC="not support webrtc",e.MESSAGE_BROWSER_NOTSUPPORT="browser not support",e.MESSAGE_BROWSER_VERSIONLOW="browser version too low",e.MESSAGE_NOTSUPPORT_H264="not support h264",e.MESSAGE_CREATEOFFER="create offer error"}(t.EN||(t.EN={}))},function(e,t,r){"use strict";var n,i=this&&this.__extends||(n=function(e,t){return(n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}n(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),o=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.Subscriber=void 0;var a=r(37),s=r(4),c=o(r(39)),d=o(r(5)),p=r(17),u=r(57),f=o(r(6)),l=o(r(7)),m=function(e){function t(t){var r=e.call(this)||this;return r.tryingToPlay=!1,r._reporter=t,r.peerconnection=new a.RtsPeerconnection,r.audioManager=new u.AudioManager,r.audioManager.on("onError",(function(e){r.emit("onError",new p.RtsError(e.errorCode?e.errorCode:s.ErrorCode.ERROR_SIGNAL_ERROR,e.message?e.message:"http request error"))})),r.videoManager=new u.VideoManager(r._reporterCallback.bind(r)),r.videoManager.on("onPlayEvent",(function(e){r.emit("onPlayEvent",e)})),r._cpstart=0,r._cpend=0,r._hrend=0,r}return i(t,e),t.prototype.startLiveStream=function(e,t){var r=this;return new Promise((function(n,i){r._cpstart=(new Date).getTime(),r.stopLiveStream(),r._reporter.updateTid(),r.videoManager.video=t,r.peerconnection.createOffer().then((function(t){r._cpend=(new Date).getTime();var o=window.location.href.indexOf("file://")>-1?"http://":"//",a=e.replace("artc://",o);r.excuteSignal(t,e,a).then((function(e){r._hrend=(new Date).getTime(),n()})).catch((function(e){r._hrend=(new Date).getTime(),r._reporter.reportFirstFrameTime(r._cpend-r._cpstart,r._hrend-r._cpend,-1,-1),i(e)}))})).catch((function(e){r._cpend=(new Date).getTime(),r._reporter.reportFirstFrameTime(r._cpend-r._cpstart,-1,-1,-1),i(e)}))}))},t.prototype.stopLiveStream=function(){this.peerconnection.dispose(),this.audioManager.release(),this.videoManager.release(),this.tryingToPlay=!1},t.prototype.muteLiveStream=function(e){return this.audioManager.muted=e,!0},t.prototype.excuteSignal=function(e,t,r){var n=this;return new Promise((function(i,o){var a={url:t,amsid:["rts audio"],vmsid:["rts video"]};c.default.create({baseURL:"",timeout:3e3,headers:{"Content-Type":"application/x-www-form-urlencoded; charset=UTF-8"}}).post(r,{version:l.default.protocol_version,sdk_version:l.default.sdk_version,mode:"live",pull_streams:[a],jsep:e}).then((function(e){e&&200===e.status&&n.peerconnection.recvAnswer(e.data,(function(e){e.streams&&e.streams.length&&n.recvMediaStream(e.streams[0]),i()})).then((function(){i()})).catch((function(e){o(e)}))})).catch((function(e){n.emit("onError",new p.RtsError(s.ErrorCode.ERROR_SIGNAL_ERROR,e.message?e.message:"http request error")),o(e)}))}))},t.prototype.recvMediaStream=function(e){var t=e.getVideoTracks();t&&t.length&&this.videoManager.play(t[0]),(t=e.getAudioTracks())&&t.length&&this.audioManager.play(t[0])},t.prototype._reporterCallback=function(e,t){e===f.default.FIRST_FRAME_TIME?this._reporter.reportFirstFrameTime(this._cpend-this._cpstart,this._hrend-this._cpend,t.ts-this._cpstart,t.rslt):e===f.default.CATON_TIME&&this._reporter.reportCatonTime(t.ct)},t}(d.default);t.Subscriber=m},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.RtsPeerconnection=void 0;var n=r(38),i=function(){function e(){this.sdpUtil=new n.SdpUtil,this.onTrackCallback=function(){},this.pc=null}return e.prototype.createOffer=function(){var e=this;return new Promise((function(t,r){e.pc=new 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