twilio-video
Version:
Twilio Video JavaScript Library
152 lines • 8.88 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCombinedConnectionStats = getCombinedConnectionStats;
function getStatValues(report, statName, kind, reportTypes) {
var results = [];
report.forEach(function (stat) {
if ((reportTypes.length === 0 || reportTypes.includes(stat.type)) &&
(kind.length === 0 || kind.includes(stat.kind)) &&
typeof stat[statName] === 'number') {
results.push(stat[statName]);
}
});
return results;
}
function getCombinedConnectionStats(_a) {
return __awaiter(this, arguments, void 0, function (_b) {
var _c, publisherStats, subscriberStats, timestamps, timestamp, jitter, packets, packetsLost, trackRoundTripTime, currentRoundTripTime, roundTripTime, bytesSent, bytesReceived, selectedIceCandidatePairStats, iceCandidateStats;
var publisher = _b.publisher, subscriber = _b.subscriber;
return __generator(this, function (_d) {
switch (_d.label) {
case 0: return [4 /*yield*/, Promise.all([publisher, subscriber].map(function (pc) { return pc.getStats(); }))];
case 1:
_c = __read.apply(void 0, [_d.sent(), 2]), publisherStats = _c[0], subscriberStats = _c[1];
timestamps = getStatValues(subscriberStats, 'timestamp', ['audio'], ['inbound-rtp']);
timestamp = timestamps.length > 0 ? timestamps[0] : 0;
jitter = getStatValues(subscriberStats, 'jitter', ['audio'], ['inbound-rtp']).reduce(function (a, b) { return Math.max(a, b); }, 0);
packets = getStatValues(subscriberStats, 'packetsReceived', ['audio', 'video'], ['inbound-rtp']).reduce(function (a, b) { return a + b; }, 0);
packetsLost = getStatValues(subscriberStats, 'packetsLost', ['audio', 'video'], ['inbound-rtp']).reduce(function (a, b) { return a + b; }, 0);
trackRoundTripTime = getStatValues(publisherStats, 'roundTripTime', ['audio', 'video'], ['remote-inbound-rtp']).reduce(function (a, b) { return Math.max(a, b); }, 0);
currentRoundTripTime = getStatValues(subscriberStats, 'currentRoundTripTime', [], ['candidate-pair']).reduce(function (a, b) { return Math.max(a, b); }, 0);
roundTripTime = (currentRoundTripTime || trackRoundTripTime) * 1000;
bytesSent = getStatValues(publisherStats, 'bytesSent', [], ['candidate-pair']).reduce(function (a, b) { return a + b; }, 0);
bytesReceived = getStatValues(subscriberStats, 'bytesReceived', [], ['candidate-pair']).reduce(function (a, b) { return a + b; }, 0);
selectedIceCandidatePairStats = extractSelectedActiveCandidatePair(subscriberStats);
iceCandidateStats = [];
subscriberStats.forEach(function (stat) {
if (stat.type === 'local-candidate' || stat.type === 'remote-candidate') {
iceCandidateStats.push(makeStandardCandidateStats(stat));
}
});
return [2 /*return*/, { timestamp: timestamp, jitter: jitter, packets: packets, packetsLost: packetsLost, roundTripTime: roundTripTime, bytesSent: bytesSent, bytesReceived: bytesReceived, selectedIceCandidatePairStats: selectedIceCandidatePairStats, iceCandidateStats: iceCandidateStats }];
}
});
});
}
function makeStandardCandidateStats(input) {
var standardizedCandidateStatsKeys = [
{ key: 'transportId', type: 'string' },
{ key: 'candidateType', type: 'string' },
{ key: 'port', altKeys: ['portNumber'], type: 'number' },
{ key: 'address', altKeys: ['ip', 'ipAddress'], type: 'string' },
{ key: 'priority', type: 'number' },
{ key: 'protocol', altKeys: ['transport'], type: 'string' },
{ key: 'url', type: 'string' },
{ key: 'relayProtocol', type: 'string' },
];
return standardizedCandidateStatsKeys.reduce(function (report, keyInfo) {
var keysToLookFor = [keyInfo.key];
if (keyInfo.altKeys) {
keysToLookFor = keysToLookFor.concat(keyInfo.altKeys);
}
var key = keysToLookFor.find(function (key) { return key in input; });
if (key && typeof input[key] === keyInfo.type) {
report[keyInfo.key] = input[key];
}
return report;
}, {});
}
function extractSelectedActiveCandidatePair(stats) {
var selectedCandidatePairId = null;
var candidatePairs = [];
stats.forEach(function (stat) {
if (stat.type === 'transport' && stat.selectedCandidatePairId) {
selectedCandidatePairId = stat.selectedCandidatePairId;
}
else if (stat.type === 'candidate-pair') {
candidatePairs.push(stat);
}
});
var activeCandidatePairStatsFound = candidatePairs.find(function (pair) {
// Firefox
return pair.selected ||
// Spec-compliant way
(selectedCandidatePairId && pair.id === selectedCandidatePairId);
});
if (!activeCandidatePairStatsFound) {
return null;
}
var activeCandidatePairStats = activeCandidatePairStatsFound;
var activeLocalCandidateStats = stats.get(activeCandidatePairStats.localCandidateId);
var activeRemoteCandidateStats = stats.get(activeCandidatePairStats.remoteCandidateId);
if (!activeLocalCandidateStats || !activeRemoteCandidateStats) {
return null;
}
return {
localCandidate: makeStandardCandidateStats(activeLocalCandidateStats),
remoteCandidate: makeStandardCandidateStats(activeRemoteCandidateStats)
};
}
//# sourceMappingURL=getCombinedConnectionStats.js.map