1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.CallStatsReportGatherer = void 0;
var _connectionStats = require("./connectionStats");
var _connectionStatsBuilder = require("./connectionStatsBuilder");
var _transportStatsBuilder = require("./transportStatsBuilder");
var _mediaSsrcHandler = require("./media/mediaSsrcHandler");
var _mediaTrackHandler = require("./media/mediaTrackHandler");
var _mediaTrackStatsHandler = require("./media/mediaTrackStatsHandler");
var _trackStatsBuilder = require("./trackStatsBuilder");
var _connectionStatsReportBuilder = require("./connectionStatsReportBuilder");
var _valueFormatter = require("./valueFormatter");
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
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 CallStatsReportGatherer {
constructor(callId, opponentMemberId, pc, emitter, isFocus = true) {
this.callId = callId;
this.opponentMemberId = opponentMemberId;
this.pc = pc;
this.emitter = emitter;
this.isFocus = isFocus;
_defineProperty(this, "isActive", true);
_defineProperty(this, "previousStatsReport", void 0);
_defineProperty(this, "currentStatsReport", void 0);
_defineProperty(this, "connectionStats", new _connectionStats.ConnectionStats());
_defineProperty(this, "trackStats", void 0);
pc.addEventListener("signalingstatechange", this.onSignalStateChange.bind(this));
this.trackStats = new _mediaTrackStatsHandler.MediaTrackStatsHandler(new _mediaSsrcHandler.MediaSsrcHandler(), new _mediaTrackHandler.MediaTrackHandler(pc));
}
async processStats(groupCallId, localUserId) {
const summary = {
isFirstCollection: this.previousStatsReport === undefined,
receivedMedia: 0,
receivedAudioMedia: 0,
receivedVideoMedia: 0,
audioTrackSummary: {
count: 0,
muted: 0,
maxPacketLoss: 0,
maxJitter: 0,
concealedAudio: 0,
totalAudio: 0
},
videoTrackSummary: {
count: 0,
muted: 0,
maxPacketLoss: 0,
maxJitter: 0,
concealedAudio: 0,
totalAudio: 0
}
};
if (this.isActive) {
const statsPromise = this.pc.getStats();
if (typeof statsPromise?.then === "function") {
return statsPromise.then(report => {
// @ts-ignore
this.currentStatsReport = typeof report?.result === "function" ? report.result() : report;
try {
this.processStatsReport(groupCallId, localUserId);
} catch (error) {
this.isActive = false;
return summary;
}
this.previousStatsReport = this.currentStatsReport;
summary.receivedMedia = this.connectionStats.bitrate.download;
summary.receivedAudioMedia = this.connectionStats.bitrate.audio?.download || 0;
summary.receivedVideoMedia = this.connectionStats.bitrate.video?.download || 0;
const trackSummary = _trackStatsBuilder.TrackStatsBuilder.buildTrackSummary(Array.from(this.trackStats.getTrack2stats().values()));
return _objectSpread(_objectSpread({}, summary), {}, {
audioTrackSummary: trackSummary.audioTrackSummary,
videoTrackSummary: trackSummary.videoTrackSummary
});
}).catch(error => {
this.handleError(error);
return summary;
});
}
this.isActive = false;
}
return Promise.resolve(summary);
}
processStatsReport(groupCallId, localUserId) {
const byteSentStatsReport = new Map();
byteSentStatsReport.callId = this.callId;
byteSentStatsReport.opponentMemberId = this.opponentMemberId;
this.currentStatsReport?.forEach(now => {
const before = this.previousStatsReport ? this.previousStatsReport.get(now.id) : null;
// RTCIceCandidatePairStats - https://w3c.github.io/webrtc-stats/#candidatepair-dict*
if (now.type === "candidate-pair" && now.nominated && now.state === "succeeded") {
this.connectionStats.bandwidth = _connectionStatsBuilder.ConnectionStatsBuilder.buildBandwidthReport(now);
this.connectionStats.transport = _transportStatsBuilder.TransportStatsBuilder.buildReport(this.currentStatsReport, now, this.connectionStats.transport, this.isFocus);
// RTCReceivedRtpStreamStats
// https://w3c.github.io/webrtc-stats/#receivedrtpstats-dict*
// RTCSentRtpStreamStats
// https://w3c.github.io/webrtc-stats/#sentrtpstats-dict*
} else if (now.type === "inbound-rtp" || now.type === "outbound-rtp") {
const trackStats = this.trackStats.findTrack2Stats(now, now.type === "inbound-rtp" ? "remote" : "local");
if (!trackStats) {
return;
}
if (before) {
_trackStatsBuilder.TrackStatsBuilder.buildPacketsLost(trackStats, now, before);
}
// Get the resolution and framerate for only remote video sources here. For the local video sources,
// 'track' stats will be used since they have the updated resolution based on the simulcast streams
// currently being sent. Promise based getStats reports three 'outbound-rtp' streams and there will be
// more calculations needed to determine what is the highest resolution stream sent by the client if the
// 'outbound-rtp' stats are used.
if (now.type === "inbound-rtp") {
_trackStatsBuilder.TrackStatsBuilder.buildFramerateResolution(trackStats, now);
if (before) {
_trackStatsBuilder.TrackStatsBuilder.buildBitrateReceived(trackStats, now, before);
}
const ts = this.trackStats.findTransceiverByTrackId(trackStats.trackId);
_trackStatsBuilder.TrackStatsBuilder.setTrackStatsState(trackStats, ts);
_trackStatsBuilder.TrackStatsBuilder.buildJitter(trackStats, now);
_trackStatsBuilder.TrackStatsBuilder.buildAudioConcealment(trackStats, now);
} else if (before) {
byteSentStatsReport.set(trackStats.trackId, _valueFormatter.ValueFormatter.getNonNegativeValue(now.bytesSent));
_trackStatsBuilder.TrackStatsBuilder.buildBitrateSend(trackStats, now, before);
}
_trackStatsBuilder.TrackStatsBuilder.buildCodec(this.currentStatsReport, trackStats, now);
} else if (now.type === "track" && now.kind === "video" && !now.remoteSource) {
const trackStats = this.trackStats.findLocalVideoTrackStats(now);
if (!trackStats) {
return;
}
_trackStatsBuilder.TrackStatsBuilder.buildFramerateResolution(trackStats, now);
_trackStatsBuilder.TrackStatsBuilder.calculateSimulcastFramerate(trackStats, now, before, this.trackStats.mediaTrackHandler.getActiveSimulcastStreams());
}
});
this.emitter.emitByteSendReport(byteSentStatsReport);
this.processAndEmitConnectionStatsReport();
}
setActive(isActive) {
this.isActive = isActive;
}
getActive() {
return this.isActive;
}
handleError(_) {
this.isActive = false;
}
processAndEmitConnectionStatsReport() {
const report = _connectionStatsReportBuilder.ConnectionStatsReportBuilder.build(this.trackStats.getTrack2stats());
report.callId = this.callId;
report.opponentMemberId = this.opponentMemberId;
this.connectionStats.bandwidth = report.bandwidth;
this.connectionStats.bitrate = report.bitrate;
this.connectionStats.packetLoss = report.packetLoss;
this.emitter.emitConnectionStatsReport(_objectSpread(_objectSpread({}, report), {}, {
transport: this.connectionStats.transport
}));
this.connectionStats.transport = [];
}
stopProcessingStats() {}
onSignalStateChange() {
if (this.pc.signalingState === "stable") {
if (this.pc.currentRemoteDescription) {
this.trackStats.mediaSsrcHandler.parse(this.pc.currentRemoteDescription.sdp, "remote");
}
if (this.pc.currentLocalDescription) {
this.trackStats.mediaSsrcHandler.parse(this.pc.currentLocalDescription.sdp, "local");
}
}
}
setOpponentMemberId(id) {
this.opponentMemberId = id;
}
}
exports.CallStatsReportGatherer = CallStatsReportGatherer;
|
