56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
import _defineProperty from "@babel/runtime/helpers/defineProperty";
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/*
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Copyright 2023 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { parse as parseSdp } from "sdp-transform";
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export class MediaSsrcHandler {
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constructor() {
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_defineProperty(this, "ssrcToMid", {
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local: new Map(),
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remote: new Map()
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});
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}
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findMidBySsrc(ssrc, type) {
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let mid;
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this.ssrcToMid[type].forEach((ssrcs, m) => {
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if (ssrcs.find(s => s == ssrc)) {
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mid = m;
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return;
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}
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});
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return mid;
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}
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parse(description, type) {
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const sdp = parseSdp(description);
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const ssrcToMid = new Map();
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sdp.media.forEach(m => {
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if (!!m.mid && m.type === "video" || m.type === "audio") {
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const ssrcs = [];
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m.ssrcs?.forEach(ssrc => {
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if (ssrc.attribute === "cname") {
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ssrcs.push(`${ssrc.id}`);
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}
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});
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ssrcToMid.set(`${m.mid}`, ssrcs);
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}
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});
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this.ssrcToMid[type] = ssrcToMid;
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}
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getSsrcToMidMap(type) {
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return this.ssrcToMid[type];
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}
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}
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//# sourceMappingURL=mediaSsrcHandler.js.map
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