summaryrefslogtreecommitdiffstats
path: root/dom/webidl/RTCStatsReport.webidl
blob: 04c683e9a10d0527411d71c27c1be6bd575223da (plain)
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
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * The origin of this IDL file is
 * http://dev.w3.org/2011/webrtc/editor/webrtc.html#rtcstatsreport-object
 * http://www.w3.org/2011/04/webrtc/wiki/Stats
 */

enum RTCStatsType {
  "inboundrtp",
  "outboundrtp",
  "session",
  "track",
  "transport",
  "candidatepair",
  "localcandidate",
  "remotecandidate"
};

dictionary RTCStats {
  DOMHighResTimeStamp timestamp;
  RTCStatsType type;
  DOMString id;
};

dictionary RTCRTPStreamStats : RTCStats {
  DOMString ssrc;
  DOMString mediaType;
  DOMString remoteId;
  boolean isRemote = false;
  DOMString mediaTrackId;
  DOMString transportId;
  DOMString codecId;

  // Video encoder/decoder measurements (absent for rtcp)
  double bitrateMean;
  double bitrateStdDev;
  double framerateMean;
  double framerateStdDev;
};

dictionary RTCInboundRTPStreamStats : RTCRTPStreamStats {
  unsigned long packetsReceived;
  unsigned long long bytesReceived;
  double jitter;
  unsigned long packetsLost;
  long mozAvSyncDelay;
  long mozJitterBufferDelay;
  long mozRtt;

  // Video decoder measurement (absent in rtcp case)
  unsigned long discardedPackets;
};

dictionary RTCOutboundRTPStreamStats : RTCRTPStreamStats {
  unsigned long packetsSent;
  unsigned long long bytesSent;
  double targetBitrate;  // config encoder bitrate target of this SSRC in bits/s

  // Video encoder measurement (absent in rtcp case)
  unsigned long droppedFrames;
};

dictionary RTCMediaStreamTrackStats : RTCStats {
  DOMString trackIdentifier;      // track.id property
  boolean remoteSource;
  sequence<DOMString> ssrcIds;
  // Stuff that makes sense for video
  unsigned long frameWidth;
  unsigned long frameHeight;
  double framesPerSecond;        // The nominal FPS value
  unsigned long framesSent;
  unsigned long framesReceived;  // Only for remoteSource=true
  unsigned long framesDecoded;
  unsigned long framesDropped;   // See VideoPlaybackQuality.droppedVideoFrames
  unsigned long framesCorrupted; // as above.
  // Stuff that makes sense for audio
  double audioLevel;               // linear, 1.0 = 0 dBov (from RFC 6464).
  // AEC stuff on audio tracks sourced from a microphone where AEC is applied
  double echoReturnLoss;           // in decibels from G.168 (2012) section 3.14
  double echoReturnLossEnhancement; // as above, section 3.15
};

dictionary RTCMediaStreamStats : RTCStats {
  DOMString streamIdentifier;     // stream.id property
  sequence<DOMString> trackIds;   // Note: stats object ids, not track.id
};

dictionary RTCTransportStats: RTCStats {
  unsigned long bytesSent;
  unsigned long bytesReceived;
};

dictionary RTCIceComponentStats : RTCStats {
  DOMString transportId;
  long component;
  unsigned long bytesSent;
  unsigned long bytesReceived;
  boolean activeConnection;
};

enum RTCStatsIceCandidatePairState {
  "frozen",
  "waiting",
  "inprogress",
  "failed",
  "succeeded",
  "cancelled"
};

dictionary RTCIceCandidatePairStats : RTCStats {
  DOMString componentId;
  DOMString localCandidateId;
  DOMString remoteCandidateId;
  RTCStatsIceCandidatePairState state;
  unsigned long long priority;
  boolean readable;
  boolean nominated;
  boolean selected;
};

enum RTCStatsIceCandidateType {
  "host",
  "serverreflexive",
  "peerreflexive",
  "relayed"
};

dictionary RTCIceCandidateStats : RTCStats {
  DOMString componentId;
  DOMString candidateId;
  DOMString ipAddress;
  DOMString transport;
  DOMString mozLocalTransport; // needs standardization
  long portNumber;
  RTCStatsIceCandidateType candidateType;
};

dictionary RTCCodecStats : RTCStats {
  unsigned long payloadType;       // As used in RTP encoding.
  DOMString codec;                 // video/vp8 or equivalent
  unsigned long clockRate;
  unsigned long channels;          // 2=stereo, missing for most other cases.
  DOMString parameters;            // From SDP description line
};

// This is the internal representation of the report in this implementation
// to be received from c++

dictionary RTCStatsReportInternal {
  DOMString                           pcid = "";
  sequence<RTCInboundRTPStreamStats>  inboundRTPStreamStats;
  sequence<RTCOutboundRTPStreamStats> outboundRTPStreamStats;
  sequence<RTCMediaStreamTrackStats>  mediaStreamTrackStats;
  sequence<RTCMediaStreamStats>       mediaStreamStats;
  sequence<RTCTransportStats>         transportStats;
  sequence<RTCIceComponentStats>      iceComponentStats;
  sequence<RTCIceCandidatePairStats>  iceCandidatePairStats;
  sequence<RTCIceCandidateStats>      iceCandidateStats;
  sequence<RTCCodecStats>             codecStats;
  DOMString                           localSdp;
  DOMString                           remoteSdp;
  DOMHighResTimeStamp                 timestamp;
  boolean                             closed; // Is the PC now closed
};

[Pref="media.peerconnection.enabled",
// TODO: Use MapClass here once it's available (Bug 928114)
// MapClass(DOMString, object)
 JSImplementation="@mozilla.org/dom/rtcstatsreport;1"]
interface RTCStatsReport {
  readonly maplike<DOMString, object>;
  [ChromeOnly]
  readonly attribute DOMString mozPcid;
};