5 lines
94 KiB
JavaScript
5 lines
94 KiB
JavaScript
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/*! gstwebrtc-api (https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/tree/main/net/webrtc/gstwebrtc-api), MPL-2.0 License, Copyright (C) 2022 Igalia S.L. <info@igalia.com>, Author: Loïc Le Page <llepage@igalia.com> */
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/*! Contains embedded adapter from webrtc-adapter (https://github.com/webrtcHacks/adapter), BSD 3-Clause License, Copyright (c) 2014, The WebRTC project authors. All rights reserved. Copyright (c) 2018, The adapter.js project authors. All rights reserved. */
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(()=>{"use strict";var e={539:e=>{const t={generateIdentifier:function(){return Math.random().toString(36).substring(2,12)}};t.localCName=t.generateIdentifier(),t.splitLines=function(e){return e.trim().split("\n").map((e=>e.trim()))},t.splitSections=function(e){return e.split("\nm=").map(((e,t)=>(t>0?"m="+e:e).trim()+"\r\n"))},t.getDescription=function(e){const n=t.splitSections(e);return n&&n[0]},t.getMediaSections=function(e){const n=t.splitSections(e);return n.shift(),n},t.matchPrefix=function(e,n){return t.splitLines(e).filter((e=>0===e.indexOf(n)))},t.parseCandidate=function(e){let t;t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" ");const n={foundation:t[0],component:{1:"rtp",2:"rtcp"}[t[1]]||t[1],protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]};for(let e=8;e<t.length;e+=2)switch(t[e]){case"raddr":n.relatedAddress=t[e+1];break;case"rport":n.relatedPort=parseInt(t[e+1],10);break;case"tcptype":n.tcpType=t[e+1];break;case"ufrag":n.ufrag=t[e+1],n.usernameFragment=t[e+1];break;default:void 0===n[t[e]]&&(n[t[e]]=t[e+1])}return n},t.writeCandidate=function(e){const t=[];t.push(e.foundation);const n=e.component;"rtp"===n?t.push(1):"rtcp"===n?t.push(2):t.push(n),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.address||e.ip),t.push(e.port);const r=e.type;return t.push("typ"),t.push(r),"host"!==r&&e.relatedAddress&&e.relatedPort&&(t.push("raddr"),t.push(e.relatedAddress),t.push("rport"),t.push(e.relatedPort)),e.tcpType&&"tcp"===e.protocol.toLowerCase()&&(t.push("tcptype"),t.push(e.tcpType)),(e.usernameFragment||e.ufrag)&&(t.push("ufrag"),t.push(e.usernameFragment||e.ufrag)),"candidate:"+t.join(" ")},t.parseIceOptions=function(e){return e.substring(14).split(" ")},t.parseRtpMap=function(e){let t=e.substring(9).split(" ");const n={payloadType:parseInt(t.shift(),10)};return t=t[0].split("/"),n.name=t[0],n.clockRate=parseInt(t[1],10),n.channels=3===t.length?parseInt(t[2],10):1,n.numChannels=n.channels,n},t.writeRtpMap=function(e){let t=e.payloadType;void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType);const n=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==n?"/"+n:"")+"\r\n"},t.parseExtmap=function(e){const t=e.substring(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1],attributes:t.slice(2).join(" ")}},t.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+(e.attributes?" "+e.attributes:"")+"\r\n"},t.parseFmtp=function(e){const t={};let n;const r=e.substring(e.indexOf(" ")+1).split(";");for(let e=0;e<r.length;e++)n=r[e].trim().split("="),t[n[0].trim()]=n[1];return t},t.writeFmtp=function(e){let t="",n=e.payloadType;if(void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){const r=[];Object.keys(e.parameters).forEach((t=>{void 0!==e.parameters[t]?r.push(t+"="+e.parameters[t]):r.push(t)})),t+="a=fmtp:"+n+" "+r.join(";")+"\r\n"}return t},t.parseRtcpFb=function(e){const t=e.substring(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},t.writeRtcpFb=function(e){let t="",n=e.payloadType;return void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach((e=>{t+="a=rtcp-fb:"+n+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"})),t},t.parseSsrcMedia=function(e){const t=e.indexOf(" "),n={ssrc:parseInt(e.substring(7,t),10)},r=e.indexOf(":",t);return r>-1?(n.attribute=e.substring(t+1,r),n.value=e.substring(r+1)):n.attribute=e.substring(t+1),n},t.parseSsrcGroup=function(e){const t=e.substring(13).split(" ");return{semantics:t.shift(),ssrcs:t.map((e=>parseInt(e,10)))}},t.getMid=function(e){const n=t.matchPrefix(e,"a=mid:")[0];if(n)return n.substring(6)},t.parseFingerprint=function(e){const t=e.substring(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1].toUpperCase()}},t.getDtlsParameters=f
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//# sourceMappingURL=gstwebrtc-api-2.0.0.min.js.map
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