diff options
Diffstat (limited to 'comm/chat/protocols/matrix/lib/matrix-sdk/webrtc/stats/media/mediaSsrcHandler.js')
| -rw-r--r-- | comm/chat/protocols/matrix/lib/matrix-sdk/webrtc/stats/media/mediaSsrcHandler.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/comm/chat/protocols/matrix/lib/matrix-sdk/webrtc/stats/media/mediaSsrcHandler.js b/comm/chat/protocols/matrix/lib/matrix-sdk/webrtc/stats/media/mediaSsrcHandler.js new file mode 100644 index 0000000000..5e43415558 --- /dev/null +++ b/comm/chat/protocols/matrix/lib/matrix-sdk/webrtc/stats/media/mediaSsrcHandler.js @@ -0,0 +1,62 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.MediaSsrcHandler = void 0; +var _sdpTransform = require("sdp-transform"); +function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } +function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); } +function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } /* + Copyright 2023 The Matrix.org Foundation C.I.C. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + */ +class MediaSsrcHandler { + constructor() { + _defineProperty(this, "ssrcToMid", { + local: new Map(), + remote: new Map() + }); + } + findMidBySsrc(ssrc, type) { + let mid; + this.ssrcToMid[type].forEach((ssrcs, m) => { + if (ssrcs.find(s => s == ssrc)) { + mid = m; + return; + } + }); + return mid; + } + parse(description, type) { + const sdp = (0, _sdpTransform.parse)(description); + const ssrcToMid = new Map(); + sdp.media.forEach(m => { + if (!!m.mid && m.type === "video" || m.type === "audio") { + const ssrcs = []; + m.ssrcs?.forEach(ssrc => { + if (ssrc.attribute === "cname") { + ssrcs.push(`${ssrc.id}`); + } + }); + ssrcToMid.set(`${m.mid}`, ssrcs); + } + }); + this.ssrcToMid[type] = ssrcToMid; + } + getSsrcToMidMap(type) { + return this.ssrcToMid[type]; + } +} +exports.MediaSsrcHandler = MediaSsrcHandler;
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