cl-speakeasy-sdk/dist/cl-speakeasy-sdk.min.js

CenturyLink SpeakEasy JavaScript SDK

var 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this.getVideoSdpDirection(e)!==i.WEBRTC.MEDIA_STATE.NOT_FOUND},this.changeDirection=function(e,n,r,o){var s,c,l="",d=[],u="changeDirection: before= "+n+" after= "+r;if(n===r)return e;if(o===t||null===o)a.info(u+" for all media types");else{if(n!==this.getSdpDirection(e,o))return e;a.info(u+" type= "+o)}for(d=e.split(/^(?=m=)/m),c=0;c<d.length;c++)s=d[c],(o===t||null===o||-1!==s.indexOf(i.SDP.M_LINE+o))&&(s=s.replace(i.SDP.A_LINE+n,i.SDP.A_LINE+r)),l+=s;return l},this.updateSdpDirection=function(e,t,n){a.info("updateSdpDirection: type= "+t+" direction= "+n);var i=this.getSdpDirection(e,t);return this.changeDirection(e,i,n,t)},this.updateAudioSdpDirection=function(e,t){a.info("updateSdpDirection: type= "+i.STRING.AUDIO+" direction= "+t);var n=this.getSdpDirection(e,i.STRING.AUDIO);return this.changeDirection(e,n,t,i.STRING.AUDIO)},this.updateVideoSdpDirection=function(e,t){a.info("updateSdpDirection: type= "+i.STRING.VIDEO+" direction= "+t);var n=this.getSdpDirection(e,i.STRING.VIDEO);return this.changeDirection(e,n,t,i.STRING.VIDEO)},this.updateAudioSdpDirectionToInactive=function(e){return this.updateAudioSdpDirection(e,i.WEBRTC.MEDIA_STATE.INACTIVE)},this.updateVideoSdpDirectionToInactive=function(e){return this.updateVideoSdpDirection(e,i.WEBRTC.MEDIA_STATE.INACTIVE)},this.isSdpHasDirection=function(e){var n,r,o,a;return null===e||e===t?!1:(n=e.indexOf(i.SDP.A_LINE+i.WEBRTC.MEDIA_STATE.SEND_RECEIVE,0),r=e.indexOf(i.SDP.A_LINE+i.WEBRTC.MEDIA_STATE.SEND_ONLY,0),o=e.indexOf(i.SDP.A_LINE+i.WEBRTC.MEDIA_STATE.RECEIVE_ONLY,0),a=e.indexOf(i.SDP.A_LINE+i.WEBRTC.MEDIA_STATE.INACTIVE,0),n+1+(r+1)+(o+1)+(a+1)===0?!1:!0)},this.isSdpEnabled=function(e,n){var r,o="isSdpEnabled for type "+n+": ",s=!1;return null===e||e===t?!1:this.isSdpHasMediaWithExpectedPort(e,n,0)?(a.info(o+s),s):n===i.STRING.VIDEO&&(r=this.getVideoSdpDirection(e),r===i.WEBRTC.MEDIA_STATE.RECEIVE_ONLY||r===i.WEBRTC.MEDIA_STATE.INACTIVE)?(a.info(o+s),s):(this.isSdpHas(e,n)&&(s=!0),a.info(o+s),s)},this.isAudioSdpEnabled=function(e){return this.isSdpEnabled(e,i.STRING.AUDIO)},this.isVideoSdpEnabled=function(e){return this.isSdpEnabled(e,i.STRING.VIDEO)},this.isSdpVideoReceiveEnabled=function(e){var n,r="isSdpVideoReceiveEnabled: ",o=!1;return null===e||e===t?!1:-1!==e.indexOf(i.SDP.M_LINE+i.STRING.VIDEO+" 0")?(a.info(r+o),o):(n=this.getVideoSdpDirection(e),n===i.WEBRTC.MEDIA_STATE.SEND_ONLY||n===i.WEBRTC.MEDIA_STATE.INACTIVE?(a.info(r+o),o):-1!==e.indexOf(i.SDP.M_LINE+i.STRING.VIDEO)?(o=!0,a.info(r+o),o):(a.info(r+o),o))},this.updateH264Level=function(e){var t,n,r,o,a,s="",c="",l=[],d=/\r\n|\r|\n/m,u="";for(l=e.split(/^(?=m=)/m),t=0;t<l.length;t++){if(c=l[t],-1!==c.indexOf(i.SDP.M_LINE+i.STRING.VIDEO)){for(n=c.split(d),r=0;r<n.length;r++)o=n[r],o&&-1!==o.indexOf("a=rtpmap:")&&-1!==o.indexOf("H264")?(a=o.split(/\:| /m),o=o+i.STRING.CARRIAGE_RETURN+i.STRING.NEW_LINE,o=o+"a=fmtp:"+a[1]+" profile-level-id=428014;",o=o+i.STRING.CARRIAGE_RETURN+i.STRING.NEW_LINE):o&&""!==o&&(o=o+i.STRING.CARRIAGE_RETURN+i.STRING.NEW_LINE),u+=o;c=u}s+=c}return s},this.updateH264LevelTo42E01F=function(e,n){return null===e||e===t?e:(n&&(a.debug("Updating the H264 profile-level-id to 42e01f"),e=e.replace(/profile-level-id=4280/g,"profile-level-id=42e0")),e)},this.isSdpVideoCandidateEnabled=function(e){var t="isSdpVideoCandidateEnabled: ",n=!1;return this.isSdpHasVideoWithZeroPort(e)||this.isVideoSdpDirectionInactive(e)?(a.info(t+n),n):this.isSdpHasVideo(e)?(a.info(t+n),n):(n=!0,a.info(t+n),!0)},this.deleteFingerprintFromSdp=function(e,n){if(null===e||e===t)return e;if(n)return e;for(;-1!==e.indexOf("a=fingerprint:");)e=e.replace(/(a=fingerprint:[\w\W]*?(:\r|\n))/,"");for(;-1!==e.indexOf("a=setup:");)e=e.replace(/(a=setup:[\w\W]*?(:\r|\n))/,"");return e},this.deleteCryptoFromSdp=function(e,n){if(null!==e&&e!==t){if(!n)return e;for(;-1!==e.indexOf("a=crypto:");)e=e.replace(/(a=crypto:[\w\W]*?(:\r|\n))/,"");return e}},this.deleteCryptoZeroFromSdp=function(e){if(null===e||e===t)return e;for(;-1!==e.indexOf("a=crypto:0");)e=e.replace(/(a=crypto:0[\w\W]*?(:\r|\n))/,"");return e},this.updateAudioCodec=function(e){var i,r,o,a,l,d,u,f="",p="",E=[],S=/\r\n|\r|\n/m,C="",g=[];if(g=n.codecsToRemove,g===t)return e;for(E=e.split(/^(?=m=)/m),i=0;i<E.length;i++){if(p=E[i],this.isSdpHasAudio(p)){for(r=p.split(S),o=0;o<r.length;o++){for(a=r[o],u=0;u<g.length;u++)l=g[u],a&&this.isSdpHasAudio(a)?(d=new RegExp(" "+l,"g"),a=a.replace(d,""),0===u&&(a=a+c+s)):a&&-1!==a.indexOf("a=fmtp:"+l)?a=a.replace(/a=fmtp[\w\W]*/,""):a&&-1!==a.indexOf("a=rtcp-fb:"+l)?a=a.replace(/a=rtcp-fb[\w\W]*/,""):a&&-1!==a.indexOf("a=rtpmap:"+l)?a=a.replace(/a=rtpmap[\w\W]*/,""):a&&""!==a&&0===u&&(a=a+c+s);C+=a}p=C}f+=p}return f},this.updateVideoCodec=function(e){var i,r,o,a,l,d,u,f="",p="",E=[],S=/\r\n|\r|\n/m,C="",g=[];if(g=n.codecsToRemoveForVideo,g===t)return e;for(E=e.split(/^(?=m=)/m),i=0;i<E.length;i++){if(p=E[i],this.isSdpHasVideo(p)){for(r=p.split(S),o=0;o<r.length;o++){for(a=r[o],u=0;u<g.length;u++)l=g[u],a&&this.isSdpHasVideo(a)?(d=new RegExp(" "+l,"g"),a=a.replace(d,""),0===u&&(a=a+c+s)):a&&-1!==a.indexOf("a=fmtp:"+l)?a=a.replace(/a=fmtp[\w\W]*/,""):a&&-1!==a.indexOf("a=rtcp-fb:"+l)?a=a.replace(/a=rtcp-fb[\w\W]*/,""):a&&-1!==a.indexOf("a=rtpmap:"+l)?a=a.replace(/a=rtpmap[\w\W]*/,""):a&&""!==a&&0===u&&(a=a+c+s);C+=a}p=C}f+=p}return f},this.removeAudioCodec=function(e,t){var n,i,r,o,a,l,d="",u="",f=[],p=/\r\n|\r|\n/m,E="";for(f=e.split(/^(?=m=)/m),n=0;n<f.length;n++){if(u=f[n],this.isSdpHasAudio(u)){for(i=u.split(p),r=0;r<i.length;r++)o=i[r],o&&this.isSdpHasAudio(o)?(l=new RegExp(" "+t+"($| )","m"),a=i[r].split(/RTP[\w\W]*/),o=o.replace(/(\m=audio+)\s(\w+)/,""),o=o.trim(),o=o.replace(l," "),o=a[0]+o+c+s):o&&-1!==o.indexOf("a=fmtp:"+t)?o=o.replace(/a=fmtp[\w\W]*/,""):o&&-1!==o.indexOf("a=rtpmap:"+t)?o=o.replace(/a=rtpmap[\w\W]*/,""):o&&-1!==o.indexOf("a=rtcp-fb:"+t)?o=o.replace(/a=rtcp-fb[\w\W]*/,""):o&&""!==o&&(o=o+c+s),E+=o;u=E}d+=u}return d},this.removeRTXCodec=function(e){var n,i,r;return null===e||e===t?e:(i=this.getVp8Ssrc(e),a.debug("vp8SSRC = "+i),r=this.getRtxSsrc(e),a.debug("rtxSSRC = "+r),e=this.removeSsrcId(e,r),e=e.replace(/(a=ssrc-group:FID[\w\W]*?(:\r|\n))/g,""),-1===e.indexOf("rtx/90000")?e:(n=this.getRTXPayloadType(e),a.debug("removeRTXCodec : Removing rtx video codec "+n),e=this.removeVideoCodec(e,n)))},this.getVp8Ssrc=function(e){var n,i,r,o,s=/\r\n|\r|\n/m;if(null===e||e===t)return-1;if(-1===e.indexOf("a=ssrc-group:FID "))return-1;for(n=e.split("a=ssrc-group:FID "),i=n[1].split(s),r=i[0].split(" "),o=0;o<r.length;o++)a.debug("ssrcArray["+o+"] : "+r[o]);return r[0]},this.getRtxSsrc=function(e){var n,i,r,o,s=/\r\n|\r|\n/m;if(null===e||e===t)return-1;if(-1===e.indexOf("a=ssrc-group:FID "))return-1;for(n=e.split("a=ssrc-group:FID "),i=n[1].split(s),r=i[0].split(" "),o=0;o<r.length;o++)a.debug("ssrcArray["+o+"] : "+r[o]);return r[1]},this.removeSsrcId=function(e,n){var i,r,o,a="",l=/\r\n|\r|\n/m,d="";if(null===e||e===t)return e;for(i=e.split(l),r=0;r<i.length;r++)o=i[r],o&&-1!==o.indexOf("a=ssrc:"+n)?o=o.replace(/a=ssrc:[\w\W]*/,""):o&&""!==o&&(o=o+c+s),d+=o;return a=d},this.removeG722Codec=function(e){return e},this.getPayloadTypeOf=function(e,t){var n,i,r,o=[];if(-1===t.indexOf(e))return-1;for(i=t.match(/(a=rtpmap[\w\W]*?(:\r|\n))/g),r=0;r<i.length;r++)-1!==i[r].search(new RegExp(e,"i"))&&(n=i[r].match(/^[^\d]*(\d+)/g),n=n[0].split(":"),o.push(n[1]));return a.debug("getPayloadTypeOf("+e+") = "+o[0]),o.length<2?o[0]:o},this.replaceTelephoneEventPayloadType=function(e,t,n){var i,r,o,s,c,l,d,u="",f="";if(!e||-1===e.indexOf("telephone-event"))return e;if(r=/^\.*(a=rtpmap:)(\d*)( telephone-event[ \w+ ]*[ \/+ ]*[ \w+ ]*)\r\n?/m,t===n)return e;for(i=e,r=new RegExp("^\\.*a=rtpmap:"+n+" telephone-event[ \\/+ ]*([ \\w+ ]*)\\r\n","m"),o=i.match(r),f=null!==o&&o.length>=2&&""!==o[1]?o[1]:8e3,i=i.replace(r,"a=rtpmap:"+t+" telephone-event/"+f+"\r\n"),r=new RegExp("^\\.*(m=audio )[ \\w+ ]*[ \\/+ ]*[ \\w+ ]*( "+n+")","mg"),o=i.match(r),null!==o&&o.length>=1&&""!==o[0]&&(s=o[0],s=s.replace(n,t),i=i.replace(r,s)),c=i.split(/^(?=m=)/m),l=0;l<c.length;l++)d=c[l],this.isSdpHasAudio(d)&&(r=new RegExp("^\\.*a=fmtp:"+n,"mg"),d=d.replace(r,"a=fmtp:"+t)),u+=d;return""!==u&&(i=u),a.debug("replaceTelephoneEventPayloadType: newcode "+n+" is replaced with oldcode "+t),i},this.replaceOpusCodec=function(e){var t,n,i,r,o,s,c="",l=109,d="";if(!e||-1===e.indexOf("opus"))return e;for(t=/^\.*(a=rtpmap:)(\d*)( opus)/m,n=e.match(t),null!==n&&n.length>=3&&""!==n[2]?c=n[2]:a.warn("sdp has opus without codec number"),e=e.replace(t,"a=rtpmap:"+l+" opus"),t=new RegExp("^\\.*(m=audio )[ \\w+ ]*[ \\/+ ]*[ \\w+ ]*( "+c+")","mg"),n=e.match(t),null!==n&&n.length>=1&&""!==n[0]&&(i=n[0],i=i.replace(c,l),e=e.replace(t,i)),r=e.split(/^(?=m=)/m),o=0;o<r.length;o++)s=r[o],this.isSdpHasAudio(s)&&(t=new RegExp("^\\.*a=fmtp:"+c,"mg"),s=s.replace(t,"a=fmtp:"+l)),d+=s;return""!==d&&(e=d),a.debug("replaceOpusCodec: new codec= "+l),e},this.getG7228000PayloadType=function(e){return this.getPayloadTypeOf("G722/8000",e)},this.getVP8PayloadType=function(e){return this.getPayloadTypeOf("VP8/90000",e)},this.getG72216000PayloadType=function(e){return this.getPayloadTypeOf("G722/16000",e)},this.getRTXPayloadType=function(e){return this.getPayloadTypeOf("rtx/90000",e)},this.getH264PayloadType=function(e){return this.getPayloadTypeOf("H264/90000",e)},this.isSdpHasTelephoneEventWithRate=function(e,n){return null===e||e===t?!1:-1!==e.indexOf("telephone-event/"+n)},this.isSdpHasTelephoneEvent=function(e){return null===e||e===t?!1:-1!==e.indexOf("telephone-event/")},this.isSdpHasVP8Codec=function(e){return null===e||e===t?!1:-1!==e.indexOf("VP8/90000")},this.isSdpHasH264Codec=function(e){return null===e||e===t?!1:-1!==e.indexOf("H264/90000")},this.checkSupportedVideoCodecs=function(e,n,r){var o;return null===e||e===t?e:this.isVideoCodecsSupported(e,r)?e:(n?(o=this.removeAllVideoCodecs(e),o=this.addVP8Codec(o,n),o=this.updateSdpVideoPort(o,!1),o=this.performVideoPortZeroWorkaround(o)):this.isSdpHasVP8Codec(e)?o=this.removeVideoDescription(e):-1!==e.indexOf(i.SDP.M_LINE+i.STRING.VIDEO+" 0 ",0)?o=this.addVP8Codec(e,o):(o=this.updateSdpVideoPort(e,!1),o=this.addVP8Codec(o,o)),o)},this.isVideoCodecsSupported=function(e,t){return this.isSdpHasVP8Codec(e)?!0:t&&this.isSdpHasH264Codec(e)?!0:!1},this.removeAllVideoCodecs=function(e){var n,i,r,o,s;if(null===e||e===t)return e;if(n=new RegExp("^\\.*(m=video )(\\d*)( RTP/SAVPF )([ \\w+ ]*[ \\/+ ]*[ \\w+ ])\\r\n","m"),o=e,i=o.match(n),null!==i&&i.length>=5&&""!==i[0])for(r=i[4].split(" "),s=0;s<r.length;s++)a.debug("codec["+s+"] : "+r[s]),o=this.removeVideoCodec(o,r[s]);return o},this.removeVideoCodec=function(e,n){var i,r,o,a,l,d="",u="",f=[],p=/\r\n|\r|\n/m,E="";if(null===e||e===t||!n)return e;for(f=e.split(/^(?=m=)/m),i=0;i<f.length;i++){if(u=f[i],this.isSdpHasVideo(u)){for(r=u.split(p),o=0;o<r.length;o++)a=r[o],a&&this.isSdpHasVideo(a)?(l=new RegExp(" "+n,"g"),a=a.replace(l,""),a=a+c+s):a&&-1!==a.indexOf("a=fmtp:"+n)?a=a.replace(/a=fmtp[\w\W]*/,""):a&&-1!==a.indexOf("a=rtpmap:"+n)?a=a.replace(/a=rtpmap[\w\W]*/,""):a&&-1!==a.indexOf("a=rtcp-fb:"+n)?a=a.replace(/a=rtcp-fb[\w\W]*/,""):a&&""!==a&&(a=a+c+s),E+=a;u=E}d+=u}return d},this.addVP8Codec=function(e,t){var n,r,o,a,l,d,u,f,p,E,S="",C="",g=[],T=/\r\n|\r|\n/m,I="";if(this.isSdpHasVP8Codec(e))return e;for(g=e.split(/^(?=m=)/m),n=0;n<g.length;n++){if(C=g[n],this.isSdpHasVideo(C)){if(t&&this.isSdpHasVideo(t)&&this.isSdpHasVP8Codec(t))a=this.getVP8PayloadType(t),-1!==C.indexOf("a=rtpmap:"+a)&&this.removeSdpLineContainingText(C,"a=rtpmap:"+a);else{for(l=100;-1!==C.indexOf("a=rtpmap:"+l);)l+=1;a=l}for(r=C.split(T),o=0;o<r.length;o++)d=r[o],d&&this.isSdpHasVideo(d)?(-1===d.indexOf(a)&&(d=d+" "+a),d=d+c+s+"a=rtpmap:"+a+" VP8/90000"+c+s):d&&""!==d&&(d=d+c+s),I+=d;C=I}S+=C}return u=this.checkICEParams(S,"video",i.SDP.ICE_UFRAG),2>u&&(p=this.getICEParams(S,i.SDP.ICE_UFRAG,!1),p&&(S=this.restoreICEParams(S,"video",i.SDP.ICE_UFRAG,p))),f=this.checkICEParams(S,"video",i.SDP.ICE_PWD),2>f&&(E=this.getICEParams(S,i.SDP.ICE_PWD,!1),E&&(S=this.restoreICEParams(S,"video",i.SDP.ICE_PWD,E))),S},this.removeSdpLineContainingText=function(e,n){var i,r;if(null===e||e===t||!n)return e;for(r=e.split(s),e=r[0]+s,i=1;i<r.length-1;i++)-1!==r[i].indexOf(n)?a.debug("removed line which contains "+n):e+=r[i]+s;return e},this.removeVideoDescription=function(e){var n,i="",r="",o=[];if(null===e||e===t)return e;for(o=e.split(/^(?=m=)/m),n=0;n<o.length;n++)r=o[n],this.isSdpHasVideo(r)?a.debug("removeVideoDescription : m=video description removed"):i+=r;return i},this.updateSdpVideoPort=function(e,n){var r,o;return null===e||e===t?e:(a.debug("updateSdpVideoPort: status= "+n),r=e,n?o=i.SDP.M_LINE+i.STRING.VIDEO+" 1":(o=i.SDP.M_LINE+i.STRING.VIDEO+" 0",r=this.updateSdpDirection(r,i.STRING.VIDEO,i.WEBRTC.MEDIA_STATE.INACTIVE)),this.isSdpHasVideo(r)&&(r=r.replace(/m=video [0-9]+/,o)),r)},this.performVideoPortZeroWorkaround=function(e){return null===e||e===t?e:this.isSdpHasVideoWithZeroPort(e)?(e=this.addSdpMissingCryptoLine(e),e=this.replaceZeroVideoPortWithOne(e),e=this.updateVideoSdpDirectionToInactive(e)):e},this.addSdpMissingCryptoLine=function(e){var t,n,r,o=null,s=/\r\n|\r|\n/m;if(-1===e.indexOf(i.SDP.M_LINE+i.STRING.VIDEO+" 0 ",0))return e;for(t=e.split(i.SDP.M_LINE+i.STRING.VIDEO),n=t[0].split(s),r=0;r<n.length;r++)if(-1!==n[r].indexOf(i.SDP.A_LINE+i.SDP.CRYPTO)||-1!==n[r].indexOf(i.SDP.A_LINE+i.SDP.FINGERPRINT)){o=n[r];break}return null===o?e:(-1!==t[0].indexOf(i.SDP.A_LINE+i.SDP.CRYPTO)?-1===t[1].indexOf(i.SDP.A_LINE+i.SDP.CRYPTO,0)&&(t[1]+=o+"\n",a.debug("addSdpMissingCryptoLine : crypto line is added : "+o)):-1!==t[0].indexOf(i.SDP.A_LINE+i.SDP.FINGERPRINT,0)&&-1===t[1].indexOf(i.SDP.A_LINE+i.SDP.FINGERPRINT,0)&&(t[1]+=o+"\na=setup:passive\n",a.debug("addSdpMissingCryptoLine : dtls lines are added : "+o+"and a=setup:passive"),a.debug("dtls enabled: known issue by webrtc may be fixed! Check it")),e=t.join(i.SDP.M_LINE+i.STRING.VIDEO))},this.checkICEParams=function(e,n,r){var o,a;if(null===e||e===t)return 0;if(o=e.split("m=video"),o.length<2)return 0;switch(r){case i.SDP.ICE_UFRAG:a="audio"===n?o[0].split("a=ice-ufrag:"):o[1].split("a=ice-ufrag:");break;case i.SDP.ICE_PWD:a="audio"===n?o[0].split("a=ice-pwd:"):o[1].split("a=ice-pwd:");break;default:return 0}return a.length},this.getICEParams=function(e,n,r){var o,a,s,c;if(null!==e&&e!==t){switch(n){case i.SDP.ICE_UFRAG:o=e.split("a=ice-ufrag:");break;case i.SDP.ICE_PWD:o=e.split("a=