@observertc/sample-schemas-js

ObserveRTC Schemas

Javascript bindings for ObserveRTC schemas

• samples
  • TurnSession
  • TurnPeerAllocation
  • TurnSample
  • SfuExtensionStats
  • SfuSctpChannel
  • SfuOutboundRtpPad
  • SfuInboundRtpPad
  • SfuTransport
  • CustomSfuEvent
  • SfuSample
  • IceRemoteCandidate
  • IceLocalCandidate
  • OutboundVideoTrack
  • OutboundAudioTrack
  • InboundVideoTrack
  • InboundAudioTrack
  • Certificate
  • MediaCodecStats
  • MediaSourceStat
  • IceCandidatePair
  • PeerConnectionTransport
  • DataChannel
  • CustomObserverEvent
  • CustomCallEvent
  • ExtensionStat
  • MediaDevice
  • OperationSystem
  • Browser
  • Platform
  • Engine
  • ClientSample
  • Controls
  • Samples
• Changelog

Controls

Field	Description
close	Indicate that the server should close the connection
accessClaim	Holds a new claim to process

Engine

Field	Description
name	The name of the Engine
version	The version of the engine

Platform

Field	Description
type	The name of the platform
vendor	The name of the vendor
model	The name of the model

Browser

Field	Description
name	The name of the operating system (e.g., Linux) the WebRTC app uses
version	The version of the operating system

OperationSystem

Field	Description
name	The name of the operating system (e.g., Linux) the WebRTC app uses
version	The version of the operating system
versionName	The name of the version of the operating system

MediaDevice

Field	Description
id	the provided id of the media input / output
kind	The media kind of the media device (Possible values are: videoinput, audioinput, audiooutput)
label	The name of the device

ExtensionStat

Field	Description
type (Mandatory)	The type of the extension stats the custom app provides
payload (Mandatory)	The payload of the extension stats the custom app provides

CustomCallEvent

Field	Description
name (Mandatory)	the name of the event used as identifier. (e.g.: MEDIA_TRACK_MUTED, USER_REJOINED, etc..)
value	the value of the event
peerConnectionId	The unique identifier of the peer connection
mediaTrackId	The identifier of the media track the event is related to
message	the human readable message of the event
attachments	Additional attachment relevant for the event
timestamp	The EPOCH timestamp the event is generated

CustomObserverEvent

Field	Description
name (Mandatory)	the name of the event used as identifier. (e.g.: MEDIA_TRACK_MUTED, USER_REJOINED, etc..)
mediaTrackId	The identifier of the media track the event is related to
message	the human readable message of the event
attachments	Additional attachment relevant for the event
timestamp	The EPOCH timestamp the event is generated

DataChannel

Field	Description
peerConnectionId (Mandatory)	The id of the peer connection the data channel is assigned to
dataChannelIdentifier	The id of the data channel assigned by the peer connection when it is opened
label	The label of the data channel
protocol	The protocol the data channel utilizes
state	The state of the data channel
messageSent	The total number of messages sent on the data channel
bytesSent	The total number of bytes sent on the data channel
messageReceived	The total number of messages received on the data channel
bytesReceived	The total number of bytes received on the data channel

PeerConnectionTransport

Field	Description
transportId (Mandatory)	The identifier of the transport the ICE candidate pair is negotiated on
peerConnectionId (Mandatory)	The unique identifier of the peer connection
label	The label associated with the peer connection
packetsSent	Represents the total number of packets sent on the corresponding transport
packetsReceived	Represents the total number of packets received on the corresponding transport
bytesSent	Represents the total amount of bytes sent on the corresponding transport
bytesReceived	Represents the total amount of bytes received on the corresponding transport
iceRole	Represents the current role of ICE under DTLS Transport
iceLocalUsernameFragment	Represents the current local username fragment used in message validation procedures for ICE under DTLS Transport
dtlsState	Represents the current state of DTLS for the peer connection transport layer
selectedCandidatePairId	The identifier of the candidate pair the transport currently uses
iceState	Represents the current transport state (RTCIceTransportState) of ICE for the peer connection transport layer
localCertificateId	If DTLS negotiated, it gives the ID of the local certificate
remoteCertificateId	If DTLS negotiated, it gives the ID of the remote certificate
tlsVersion	Represents the version number of the TLS used in the corresponding transport
dtlsCipher	Represents the name of the DTLS cipher used in the corresponding transport
dtlsRole	The role this host plays in DTLS negotiations (Possible values are: client, server, unknown)
srtpCipher	Represents the name of the SRTP cipher used in the corresponding transport
tlsGroup	Represents the name of the IANA TLS Supported Groups used in the corresponding transport
selectedCandidatePairChanges	The total number of candidate pair changes over the peer connection

IceCandidatePair

Field	Description
candidatePairId (Mandatory)	The unique identifier of the peer connection
peerConnectionId (Mandatory)	The unique identifier of the peer connection
label	The label associated with the peer connection
transportId	The identifier of the transport the ice candidate pair is negotiated on
localCandidateId	The unique identifier of the candidate the negotiated pair is selected on the local side
remoteCandidateId	The unique identifier of the candidate the negotiated pair is selected on the remote side
state	The state of ICE Candidate Pairs (RTCStatsIceState) on the corresponding transport
nominated	Indicates if the ice candidate pair is nominated or not
packetsSent	The total number of packets sent using the last selected candidate pair over the corresponding transport
packetsReceived	The total number of packets received using the last selected candidate pair over the corresponding transport
bytesSent	The total number of bytes sent using the last selected candidate pair over the corresponding transport
bytesReceived	The total number of bytes received using the last selected candidate pair over the corresponding transport
lastPacketSentTimestamp	Represents the timestamp at which the last packet was sent on the selected candidate pair, excluding STUN packets over the corresponding transport (UTC Epoch in ms)
lastPacketReceivedTimestamp	Represents the timestamp at which the last packet was received on the selected candidate pair, excluding STUN packets over the corresponding transport (UTC Epoch in ms)
totalRoundTripTime	Represents the sum of all round trip time measurements in seconds since the beginning of the session, based on STUN connectivity check over the corresponding transport
currentRoundTripTime	Represents the last round trip time measurement in seconds based on STUN connectivity check over the corresponding transport
availableOutgoingBitrate	The sum of the underlying cc algorithm provided outgoing bitrate for the RTP streams over the corresponding transport
availableIncomingBitrate	The sum of the underlying cc algorithm provided incoming bitrate for the RTP streams over the corresponding transport
requestsReceived	Represents the total number of connectivity check requests received on the selected candidate pair using the corresponding transport
requestsSent	Represents the total number of connectivity check requests sent on the selected candidate pair using the corresponding transport
responsesReceived	Represents the total number of connectivity check responses received on the selected candidate pair using the corresponding transport
responsesSent	Represents the total number of connectivity check responses sent on the selected candidate pair using the corresponding transport
consentRequestsSent	Represents the total number of consent requests sent on the selected candidate pair using the corresponding transport
packetsDiscardedOnSend	Total number of packets for this candidate pair that have been discarded due to socket errors on the selected candidate pair using the corresponding transport
bytesDiscardedOnSend	Total number of bytes for this candidate pair that have been discarded due to socket errors on the selected candidate pair using the corresponding transport

MediaSourceStat

Field	Description
trackIdentifier	The unique identifier of the corresponding media track
kind	The type of the media the MediaSource produces. (Possible values are: audio, video)
relayedSource	Flag indicating if the media source is relayed or not, meaning the local endpoint is not the actual source of the media, but a proxy for that media.
audioLevel	The value is between 0..1 (linear), where 1.0 represents 0 dBov, 0 represents silence, and 0.5 represents approximately 6 dBSPL change in the sound pressure level from 0 dBov.
totalAudioEnergy	The audio energy of the media source. For calculation see www.w3.org/TR/webrtc-stats/#dom-rtcaudiosourcestats-totalaudioenergy
totalSamplesDuration	The duration of the audio type media source
echoReturnLoss	if echo cancellation is applied on the media source, then this number represents the loss calculation defined in www.itu.int/rec/T-REC-G.168-201504-I/en
echoReturnLossEnhancement	www.itu.int/rec/T-REC-G.168-201504-I/en
droppedSamplesDuration	The total duration, in seconds, of samples produced by the device that got dropped before reaching the media source
droppedSamplesEvents	A counter increases every time a sample is dropped after a non-dropped sample
totalCaptureDelay	Total delay, in seconds, for each audio sample between the time the sample was emitted by the capture device and the sample reaching the source
totalSamplesCaptured	The total number of captured samples reaching the audio source
width	The width, in pixels, of the last frame originating from the media source
height	The height, in pixels, of the last frame originating from the media source
frames	The total number of frames originating from the media source
framesPerSecond	The number of frames originating from the media source in the last second

MediaCodecStats

Field	Description
payloadType	Payload type used in the RTP encoding/decoding process.
codecType	Indicates the role of the codec (encode or decode) (Possible values are: encode, decode)
mimeType	The MIME type of the media, e.g., audio/opus.
clockRate	The clock rate used in RTP transport to generate the timestamp for the carried frames
channels	Audio Only. Represents the number of channels an audio media source has. Only interesting if stereo is presented
sdpFmtpLine	The SDP line determines the codec

Certificate

Field	Description
fingerprint	The fingerprint of the certificate.
fingerprintAlgorithm	The hash function used to generate the fingerprint.
base64Certificate	The DER encoded base-64 representation of the certificate.
issuerCertificateId	The ID of the next certificate in the certificate chain

InboundAudioTrack

Field	Description
ssrc (Mandatory)	The RTP SSRC field
trackId	The ID of the track
peerConnectionId	The unique generated identifier of the peer connection the inbound audio track belongs to
remoteClientId	The remote client ID the source outbound track belongs to
sfuStreamId	The ID of the SFU stream this track is synced from
sfuSinkId	The ID of the sink this track belongs to in the SFU
packetsReceived	The total number of packets received on the corresponding synchronization source
packetsLost	The total number of bytes received on the corresponding synchronization source
jitter	The corresponding synchronization source reported jitter
lastPacketReceivedTimestamp	Represents the timestamp at which the last packet was received on the corresponding synchronization source (ssrc)
headerBytesReceived	Total number of RTP header and padding bytes received over the corresponding synchronization source (ssrc)
packetsDiscarded	The total number of packets that missed the playout point and were therefore discarded by the jitter buffer
fecPacketsReceived	Total number of FEC packets received over the corresponding synchronization source (ssrc)
fecPacketsDiscarded	Total number of FEC packets discarded over the corresponding synchronization source (ssrc) due to 1) late arrival; 2) the target RTP packet has already been repaired.
bytesReceived	Total number of bytes received over the corresponding synchronization source (ssrc) due to 1) late arrival; 2) the target RTP packet has already been repaired.
nackCount	Count the total number of Negative ACKnowledgement (NACK) packets sent and belongs to the corresponding synchronization source (ssrc)
totalProcessingDelay	The total processing delay in seconds spent on buffering RTP packets from receipt until packets are decoded
estimatedPlayoutTimestamp	The estimated playout time of the corresponding synchronization source
jitterBufferDelay	The total time of RTP packets spent in the jitter buffer waiting for frame completion due to network uncertainty.
jitterBufferTargetDelay	This value is increased by the target jitter buffer delay every time a sample is emitted by the jitter buffer. The added target is the target delay, in seconds, at the time that the sample was emitted from the jitter buffer.
jitterBufferEmittedCount	The total number of audio samples or video frames that have come out of the jitter buffer on the corresponding synchronization source (ssrc)
jitterBufferMinimumDelay	This metric is purely based on the network characteristics such as jitter and packet loss, and can be seen as the minimum obtainable jitter buffer delay if no external factors would affect it
totalSamplesReceived	The total number of audio samples received on the corresponded RTP stream
concealedSamples	The total number of samples decoded by the media decoder from the corresponded RTP stream
silentConcealedSamples	The total number of samples concealed from the corresponded RTP stream
concealmentEvents	The total number of concealed event emitted to the media codec by the corresponded jitterbuffer
insertedSamplesForDeceleration	The total number of samples inserted to decelarete the audio playout (happens when the jitterbuffer detects a shrinking buffer and need to increase the jitter buffer delay)
removedSamplesForAcceleration	The total number of samples inserted to accelerate the audio playout (happens when the jitterbuffer detects a growing buffer and need to shrink the jitter buffer delay)
audioLevel	The current audio level
totalAudioEnergy	Represents the energy level reported by the media source
totalSamplesDuration	Represents the total duration of the audio samples the media source actually transconverted in seconds
decoderImplementation	Indicate the name of the decoder implementation library
packetsSent	Total number of RTP packets sent at the remote endpoint to this endpoint on this synchronization source
bytesSent	Total number of payload bytes sent at the remote endpoint to this endpoint on this synchronization source
remoteTimestamp	The timestamp corresnponds to the time in UTC Epoch the remote endpoint reported the statistics belong to the sender side and correspond to the synchronization source (ssrc)
reportsSent	The number of SR reports the remote endpoint sent corresponded to synchronization source (ssrc) this report belongs to
roundTripTime	Estimated round trip time for the SR reports based on DLRR reports on the corresponded RTP stream
totalRoundTripTime	Represents the cumulative sum of all round trip time measurements performed on the corresponded RTP stream
roundTripTimeMeasurements	Represents the total number of SR reports received with DLRR reports to be able to calculate the round trip time on the corresponded RTP stream
synthesizedSamplesDuration	This metric can be used together with totalSamplesDuration to calculate the percentage of played out media being synthesized
synthesizedSamplesEvents	The number of synthesized samples events.
totalPlayoutDelay	The playout delay includes the delay from being emitted to the actual time of playout on the device
totalSamplesCount	When audio samples are pulled by the playout device, this counter is incremented with the number of samples emitted for playout

InboundVideoTrack

Field	Description
ssrc (Mandatory)	The RTP SSRC field
trackId	The id of the track
peerConnectionId	The unique generated identifier of the peer connection the inbound audio track belongs to
remoteClientId	The remote clientId the source outbound track belongs to
sfuStreamId	The id of the SFU stream this track is sinked from
sfuSinkId	The id of the sink this track belongs to in the SFU
packetsReceived	The total number of packets received on the corresponded synchronization source
packetsLost	The total number of bytes received on the corresponded synchronization source
jitter	The corresponded synchronization source reported jitter
framesDropped	The number of frames dropped prior to decode or missing chunks
lastPacketReceivedTimestamp	Represents the timestamp at which the last packet was received on the corresponded synchronization source (ssrc)
headerBytesReceived	Total number of RTP header and padding bytes received over the corresponding synchronization source (ssrc)
packetsDiscarded	The total number of packets missed the playout point and therefore discarded by the jitterbuffer
fecPacketsReceived	Total number of FEC packets received over the corresponding synchronization source (ssrc)
fecPacketsDiscarded	Total number of FEC packets discarded over the corresponding synchronization source (ssrc) due to 1) late arrive; 2) the target RTP packet has already been repaired.
bytesReceived	Total number of bytes received over the corresponding synchronization source (ssrc) due to 1) late arrive; 2) the target RTP packet has already been repaired.
nackCount	Count the total number of Negative ACKnowledgement (NACK) packets sent and belongs to the corresponded synchronization source (ssrc)
totalProcessingDelay	The total processing delay in seconds spend on buffering RTP packets from received up until packets are decoded
estimatedPlayoutTimestamp	The estimated playout time of the corresponded synchronization source
jitterBufferDelay	The total time of RTP packets spent in jitterbuffer waiting for frame completion due to network uncertenity.
jitterBufferTargetDelay	This value is increased by the target jitter buffer delay every time a sample is emitted by the jitter buffer. The added target is the target delay, in seconds, at the time that the sample was emitted from the jitter buffer.
jitterBufferEmittedCount	The total number of audio samples or video frames that have come out of the jitter buffer on the corresponded synchronization source (ssrc)
jitterBufferMinimumDelay	This metric is purely based on the network characteristics such as jitter and packet loss, and can be seen as the minimum obtainable jitter buffer delay if no external factors would affect it
decoderImplementation	Indicate the name of the decoder implementation library
framesDecoded	The total number of frames decoded on the corresponded RTP stream
keyFramesDecoded	The total number of keyframes decoded on the corresponding RTP stream
frameWidth	The width of the frame of the video sent by the remote source on the corresponding RTP stream
frameHeight	The height of the frame of the video sent by the remote source on the corresponding RTP stream
framesPerSecond	The frame rate of the video sent by the remote source on the corresponding RTP stream
qpSum	The QP sum (only interested in VP8,9) of the frame of the video sent by the remote source on the corresponding RTP stream
totalDecodeTime	The total time spent on decoding video on the corresponding RTP stream
totalInterFrameDelay	The total interframe delay on the corresponding RTP stream
totalSquaredInterFrameDelay	The total squared interframe delay on the corresponding synchronization source (ssrc). Useful for variance calculation for interframe delays
firCount	The total number of Full Intra Request (FIR) packets sent from this endpoint to the source on the corresponding RTP stream
pliCount	The total number of Picture Loss Indication (PLI) packets sent on the corresponding RTP stream
framesReceived	The total number of frames received on the corresponding RTP stream
packetsSent	Total number of RTP packets sent at the remote endpoint to this endpoint on this synchronization source
bytesSent	Total number of payload bytes sent at the remote endpoint to this endpoint on this synchronization source
remoteTimestamp	The timestamp corresponds to the time in UTC Epoch the remote endpoint reported the statistics belong to the sender side and correspond to the synchronization source (ssrc)
reportsSent	The number of SR reports the remote endpoint sent corresponded to synchronization source (ssrc) this report belongs to
roundTripTime	Estimated round trip time for the SR reports based on DLRR reports on the corresponded RTP stream
totalRoundTripTime	Represents the cumulative sum of all round trip time measurements performed on the corresponded RTP stream
roundTripTimeMeasurements	Represents the total number of SR reports received with DLRR reports to be able to calculate the round trip time on the corresponded RTP stream

OutboundAudioTrack

Field	Description
ssrc (Mandatory)	The RTP SSRC field
trackId	The id of the track
peerConnectionId	The unique generated identifier of the peer connection the inbound audio track belongs to
sfuStreamId	The id of the SFU stream this track is related to
packetsSent	The total number of packets sent on the corresponded synchronization source
bytesSent	The total number of bytes sent on the corresponded synchronization source
rid	The rid encoding parameter of the corresponded synchronization source
headerBytesSent	Total number of RTP header and padding bytes sent over the corresponding synchronization source (ssrc)
retransmittedPacketsSent	Total number of retransmitted packets sent over the corresponding synchronization source (ssrc).
retransmittedBytesSent	Total number of retransmitted bytes sent over the corresponding synchronization source (ssrc).
targetBitrate	Reflects the current encoder target in bits per second.
totalEncodedBytesTarget	The total number of bytes of RTP coherent frames encoded completly depending on the frame size the encoder targets
totalPacketSendDelay	The total number of delay packets buffered at the sender side in seconds over the corresponding synchronization source
averageRtcpInterval	The average RTCP interval between two consecutive compound RTCP packets sent for the corresponding synchronization source (ssrc)
nackCount	Count the total number of Negative ACKnowledgement (NACK) packets received over the corresponding synchronization source (ssrc)
encoderImplementation	Indicate the name of the encoder implementation library
active	Indicates whether this RTP stream is configured to be sent or disabled
packetsReceived	The total number of packets received on the corresponded synchronization source
packetsLost	The total number of bytes received on the corresponded synchronization source
jitter	The corresponded synchronization source reported jitter
roundTripTime	RTT measurement in seconds based on (most likely) SR, and RR belongs to the corresponded synchronization source
totalRoundTripTime	The sum of RTT measurements belongs to the corresponded synchronization source
fractionLost	The receiver reported fractional lost belongs to the corresponded synchronization source
roundTripTimeMeasurements	The total number of calculated RR measurements received on this source
relayedSource	True if the corresponded media source is remote, false otherwise (or null depending on browser and version)
audioLevel	Represents the audio level reported by the media source
totalAudioEnergy	Represents the energy level reported by the media source
totalSamplesDuration	Represents the total duration of the audio samples the media source actually transconverted in seconds
echoReturnLoss	Represents the echo cancellation in decibels corresponded to the media source.
echoReturnLossEnhancement	Represents the echo cancellation in decibels added as a postprocessing by the library after the audio is caught from the media source.
droppedSamplesDuration	The total duration, in seconds, of samples produced by the device that got dropped before reaching the media source
droppedSamplesEvents	A counter increases every time a sample is dropped after a non-dropped sample
totalCaptureDelay	Total delay, in seconds, for each audio sample between the time the sample was emitted by the capture device and the sample reaching the source
totalSamplesCaptured	The total number of captured samples reaching the audio source

OutboundVideoTrack

Field	Description
ssrc (Mandatory)	The RTP SSRC field
trackId	The id of the track
peerConnectionId	The unique generated identifier of the peer connection the inbound audio track belongs to
sfuStreamId	The id of the SFU stream this track is related to
packetsSent	The total number of packets sent on the corresponded synchronization source
bytesSent	The total number of bytes sent on the corresponded synchronization source
rid	The rid encoding parameter of the corresponded synchronization source
headerBytesSent	Total number of RTP header and padding bytes sent over the corresponding synchronization source (ssrc)
retransmittedPacketsSent	Total number of retransmitted packets sent over the corresponding synchronization source (ssrc).
retransmittedBytesSent	Total number of retransmitted bytes sent over the corresponding synchronization source (ssrc).
targetBitrate	Reflects the current encoder target in bits per second.
totalEncodedBytesTarget	The total number of bytes of RTP coherent frames encoded completly depending on the frame size the encoder targets
totalPacketSendDelay	The total number of delay packets buffered at the sender side in seconds over the corresponding synchronization source
averageRtcpInterval	The average RTCP interval between two consecutive compound RTCP packets sent for the corresponding synchronization source (ssrc)
nackCount	Count the total number of Negative ACKnowledgement (NACK) packets received over the corresponding synchronization source (ssrc)
encoderImplementation	Indicate the name of the encoder implementation library
active	Indicates whether this RTP stream is configured to be sent or disabled
frameWidth	The frame width in pixels of the frames targeted by the media encoder
frameHeight	The frame height in pixels of the frames targeted by the media encoder
framesPerSecond	The encoded number of frames in the last second on the corresponding media source
framesSent	The total number of frames sent on the corresponding RTP stream
hugeFramesSent	The total number of huge frames (avgFrameSize * 2.5) on the corresponding RTP stream
framesEncoded	The total number of frames encoded by the media source
keyFramesEncoded	The total number of keyframes encoded on the corresponding RTP stream
qpSum	The sum of the QP the media encoder provided on the corresponding RTP stream.
totalEncodeTime	The total time in seconds spent in encoding media frames for the corresponding RTP stream.
qualityLimitationDurationNone	Time elapsed in seconds when the RTC connection has not limited the quality
qualityLimitationDurationCPU	Time elapsed in seconds the RTC connection had a limitation because of CPU
qualityLimitationDurationBandwidth	Time elapsed in seconds the RTC connection had a limitation because of Bandwidth
qualityLimitationDurationOther	Time elapsed in seconds the RTC connection had a limitation because of Other factor
qualityLimitationReason	Indicate a reason for the quality limitation of the corresponded synchronization source
qualityLimitationResolutionChanges	The total number of resolution changes occurred on the corresponded RTP stream due to quality changes
firCount	The total number FIR packets sent from this endpoint to the source on the corresponded RTP stream
pliCount	The total number of Picture Loss Indication sent on the corresponded RTP stream
packetsReceived	The total number of packets received on the corresponded synchronization source
packetsLost	The total number of bytes received on the corresponded synchronization source
jitter	The corresponded synchronization source reported jitter
roundTripTime	RTT measurement in seconds based on (most likely) SR, and RR belongs to the corresponded synchronization source
totalRoundTripTime	The sum of RTT measurements belongs to the corresponded synchronization source
fractionLost	The receiver reported fractional lost belongs to the corresponded synchronization source
roundTripTimeMeasurements	The total number of calculated RR measurements received on this source
framesDropped	The total number of frames reported to be lost by the remote endpoint on the corresponded RTP stream
relayedSource	True if the corresponded media source is remote, false otherwise (or null depending on browser and version)
width	The width, in pixels, of the last frame originating from the media source
height	The height, in pixels, of the last frame originating from the media source
frames	The total number of frames originated from the media source

IceLocalCandidate

Field	Description
peerConnectionId	Refers to the peer connection the local candidate belongs to
id	The unique identifier of the local candidate
address	The address of the local endpoint (Ipv4, Ipv6, FQDN)
port	The port number of the local endpoint the ICE uses
protocol	The protocol for the ICE (Possible values are: tcp, udp)
candidateType	The type of the local candidate
priority	The priority of the local candidate
url	The url of the ICE server
relayProtocol	The relay protocol the local candidate uses (Possible values are: tcp, udp, tls)

IceRemoteCandidate

Field	Description
peerConnectionId	Refers to the peer connection the local candidate belongs to
id	The unique identifier of the local candidate
address	The address of the local endpoint (Ipv4, Ipv6, FQDN)
port	The port number of the local endpoint the ICE uses
protocol	The protocol for the ICE (Possible values are: tcp, udp)
candidateType	The type of the local candidate
priority	The priority of the local candidate
url	The url of the ICE server
relayProtocol	The relay protocol the local candidate uses (Possible values are: tcp, udp, tls)## ClientSample

docs

Field	Description
clientId (Mandatory)	Unique id of the client providing samples. Must be a valid UUID.
timestamp (Mandatory)	The timestamp the sample is created in GMT
callId	If provided, the server uses the given id to match clients in the same call. Must be a valid UUID.
sampleSeq	The sequence number a source assigns to the sample. Each time the source takes a sample at a client, this number should be monotonically incremented.
roomId	The WebRTC app configured room id the client joined for the call.
userId	The WebRTC app configured human-readable user id the client is joined.
engine	WebRTC App provided information related to the engine the client uses.
platform	WebRTC App provided information related to the platform the client uses.
browser	WebRTC App provided information related to the browser the client uses.
os	WebRTC App provided information related to the operating system the client uses.
mediaConstraints	The WebRTC app provided list of the media constraints the client has.
mediaDevices	The WebRTC app provided list of the media devices the client has.
userMediaErrors	The WebRTC app provided list of user media errors the client has.
extensionStats	The WebRTC app provided custom stats payload
customCallEvents	User provided custom call events
customObserverEvents	User provided custom observer events
iceServers	The WebRTC app provided list of ICE servers the client used.
localSDPs	The local part of the Signal Description Protocol to establish connections
dataChannels	Measurements about the data channels currently available on peer connections
pcTransports	Transport stats of Peer Connection
iceCandidatePairs	Candidate pair stats
mediaSources	WebRTC App provided information related to the operation system the client uses.
codecs	List of codec the client has
certificates	List of certificates the client provided
inboundAudioTracks	List of compound measurements related to inbound audio tracks
inboundVideoTracks	List of compound measurements related to inbound video tracks
outboundAudioTracks	List of compound measurements related to outbound audio tracks
outboundVideoTracks	List of compound measurements related to outbound video tracks
iceLocalCandidates	List of local ICE candidates
iceRemoteCandidates	List of remote ICE candidates
timeZoneOffsetInHours	The offset from GMT in hours
marker	Special marker for the samples

CustomSfuEvent

Field	Description
name (Mandatory)	the name of the event used as identifier. (e.g.: CLIENT_REJOINED, etc..)
value	the value of the event
transportId	The unique identifier of the sfu transport the event is related to
sfuStreamId	The identifier of the sfu stream the event is related to
sfuSinkId	The identifier of the sfu sink the event is related to
message	the human readable message of the event
attachments	Additional attachment relevant for the event
timestamp	The EPOCH timestamp the event is generated

SfuTransport

Field	Description
transportId (Mandatory)	The generated unique identifier of the transport
noReport	Flag indicate to not generate report from this sample
internal	Flag to indicate that the transport is used as an internal transport between SFU instances
dtlsState	Represent the current value of the state attribute of the underlying RTCDtlsTransport.
iceState	Represent the current value of the state attribute of the underlying RTCIceTransport
sctpState	Represents the the current value of the SCTP state of the transport of the SFU
iceRole	Represent the current value of the role SFU takes place in ICE
localAddress	The local address of the ICE candidate selected for the transport (IPv4, IPv6, FQDN)
localPort	The local port number
protocol	The protocol used by the transport
remoteAddress	The remote address of the ICE candidate selected for the transport (IPv4, IPv6, FQDN)
remotePort	The remote port number
rtpBytesReceived	The total amount of RTP bytes received on this transport
rtpBytesSent	The total amount of RTP bytes sent on this transport
rtpPacketsReceived	The total amount of RTP packets received on this transport
rtpPacketsSent	The total amount of RTP packets sent on this transport
rtpPacketsLost	The total amount of RTP packets lost on this transport
rtxBytesReceived	The total amount of RTX bytes received on this transport
rtxBytesSent	The total amount of RTX bytes sent on this transport
rtxPacketsReceived	The total amount of RTX packets received on this transport
rtxPacketsSent	The total amount of RTX packets sent on this transport
rtxPacketsLost	The total amount of RTX packets lost on this transport
rtxPacketsDiscarded	The total amount of RTX packets discarded on this transport
sctpBytesReceived	The total amount of SCTP bytes received on this transport
sctpBytesSent	The total amount of SCTP bytes sent on this transport
sctpPacketsReceived	The total amount of SCTP packets received on this transport
sctpPacketsSent	The total amount of SCTP packets sent on this transport

SfuInboundRtpPad

Field	Description
transportId (Mandatory)	The id of the transport the RTP Pad uses.
streamId (Mandatory)	The id of the media stream the RTP pad belongs to. This id is to group rtp pads (e.g.: simulcast) carrying payloads to the same media.
padId (Mandatory)	The id of Sfu pad.
ssrc (Mandatory)	The synchronization source id of the RTP stream
noReport	Flag indicate to not generate report from this sample
internal	Flag to indicate that the rtp pad is used as an internal communication between SFU instances
mediaType	the type of the media the stream carries ("audio" or "video") (Possible values are: audio, video)
payloadType	The payload type field of the RTP header
mimeType	The negotiated mimeType in the SDP
clockRate	The clock rate of the media source the RTP header carries
sdpFmtpLine	The actual SDP line from the negotiation related to this RTP stream
rid	The rid parameter of the corresponded RTP stream
rtxSsrc	If RTX is negotiated as a separate stream, this is the SSRC of the RTX stream that is associated with this stream's ssrc.
targetBitrate	he bitrate the corresponded stream targets.
voiceActivityFlag	The RTP header V flag indicate of the activity of the media source by the media codec if the RTP transport ships it through
firCount	The total number FIR packets sent from this endpoint to the source on the corresponded RTP stream. Only for Video streams
pliCount	The total number of Picture Loss Indication sent on the corresponded RTP stream. Only for Video streams
nackCount	The total number of negative acknowledgement received on the corresponded RTP stream.
sliCount	The total number of SLI indicator sent from the endpoint on the corresponded RTP stream. Only for Audio stream
packetsLost	The total number of packets lost on the corresponded RTP stream.
packetsReceived	The total number of packets received on the corresponded RTP stream.
packetsDiscarded	The total number of discarded packets on the corresponded RTP stream.
packetsRepaired	The total number of packets repaired by either retransmission or FEC on the corresponded RTP stream.
packetsFailedDecryption	The total number of packets failed to be decrypted on the corresponded RTP stream.
packetsDuplicated	The total number of duplicated packets appeared on the corresponded RTP stream.
fecPacketsReceived	The total number of FEC packets received on the corresponded RTP stream.
fecPacketsDiscarded	The total number of FEC packets discarded on the corresponded RTP stream.
bytesReceived	The total amount of payload bytes received on the corresponded RTP stream.
rtcpSrReceived	The total number of SR reports received by the corresponded RTP stream
rtcpRrSent	The total number of RR reports sent on the corresponded RTP stream
rtxPacketsReceived	If rtx packets are sent or received on the same stream then this number indicates how may has been sent
rtxPacketsDiscarded	If rtx packets are received on the same stream then this number indicates how may has been discarded
framesReceived	The number of frames received on the corresponded RTP stream
framesDecoded	Indicate the number of frames the Sfu has been decoded
keyFramesDecoded	Indicate the number of keyframes the Sfu has been decoded
fractionLost	The calculated fractionLost of the stream
jitter	The calculated jitter of the stream
roundTripTime	The calculated RTT of the stream

SfuOutboundRtpPad

Field	Description
transportId (Mandatory)	The id of the transport the RTP stream uses.
streamId (Mandatory)	The id of the stream this outbound RTP pad sinks the media from
sinkId (Mandatory)	The id of a group of RTP pad sinks the media stream out from the SFU.
padId (Mandatory)	The id of Sfu pad.
ssrc (Mandatory)	The synchronization source id of the RTP stream
noReport	Flag indicate to not generate report from this sample
internal	Flag to indicate that the rtp pad is used as an internal communication between SFU instances
callId	The callId the event belongs to
clientId	If the track id was provided by the Sfu, the observer can fill up the information of which client it belongs to
trackId	The id of the track the RTP stream related to at the client side
mediaType	the type of the media the stream carries ("audio" or "video") (Possible values are: audio, video)
payloadType	The payload type field of the RTP header
mimeType	The negotiated mimeType in the SDP
clockRate	The clock rate of the media source the RTP header carries
sdpFmtpLine	The actual SDP line from the negotiation related to this RTP stream
rid	The rid parameter of the corresponded RTP stream
rtxSsrc	If RTX is negotiated as a separate stream, this is the SSRC of the RTX stream that is associated with this stream's ssrc.
targetBitrate	he bitrate the corresponded stream targets.
voiceActivityFlag	The RTP header V flag indicate of the activity of the media source by the media codec if the RTP transport ships it through
firCount	The total number FIR packets sent from this endpoint to the source on the corresponded RTP stream. Only for Video streams
pliCount	The total number of Picture Loss Indication sent on the corresponded RTP stream. Only for Video streams
nackCount	The total number of negative acknowledgement received on the corresponded RTP stream.
sliCount	The total number of SLI indicator sent from the endpoint on the corresponded RTP stream. Only for Audio stream
packetsLost	The total number of packets lost on the corresponded RTP stream.
packetsSent	The total number of packets sent on the corresponded RTP stream.
packetsDiscarded	The total number of discarded packets on the corresponded RTP stream.
packetsRetransmitted	The total number of packets retransmitted on the corresponded RTP stream.
packetsFailedEncryption	The total number of packets failed to be encrypted on the corresponded RTP stream.
packetsDuplicated	The total number of duplicated packets appeared on the corresponded RTP stream.
fecPacketsSent	The total number of FEC packets sent on the corresponded RTP stream.
fecPacketsDiscarded	The total number of FEC packets discarded on the corresponded RTP stream.
bytesSent	The total amount of payload bytes sent on the corresponded RTP stream.
rtcpSrSent	The total number of SR reports sent by the corresponded RTP stream
rtcpRrReceived	The total number of RR reports received on the corresponded RTP stream
rtxPacketsSent	If rtx packets sent on the same stream then this number indicates how may has been sent
rtxPacketsDiscarded	If rtx packets are received on the same stream then this number indicates how may has been discarded
framesSent	The number of frames sent on the corresponded RTP stream
framesEncoded	Indicate the number of frames the Sfu has been encoded
keyFramesEncoded	Indicate the number of keyframes the Sfu has been encoded on the corresponded RTP stream
fractionLost	The calculated fractionLost of the stream
jitter	The calculated jitter of the stream
roundTripTime	The calculated RTT of the stream

SfuSctpChannel

Field	Description
transportId (Mandatory)	The id of the transport the RTP stream uses.
streamId (Mandatory)	The id of the sctp stream
channelId (Mandatory)	The id of the sctp stream
noReport	Flag indicate to not generate report from this sample
internal	Flag to indicate that the SCTP channel is used as an internally between SFU instances
label	The label of the sctp stream
protocol	The protocol used to establish an sctp stream
sctpSmoothedRoundTripTime	The latest smoothed round-trip time value, corresponding to spinfo_srtt defined in [RFC6458] but converted to seconds. If there has been no round-trip time measurements yet, this value is undefined.
sctpCongestionWindow	The latest congestion window, corresponding to spinfo_cwnd defined in [RFC6458].
sctpReceiverWindow	The latest receiver window, corresponding to sstat_rwnd defined in [RFC6458].
sctpMtu	The latest maximum transmission unit, corresponding to spinfo_mtu defined in [RFC6458].
sctpUnackData	The number of unacknowledged DATA chunks, corresponding to sstat_unackdata defined in [RFC6458].
messageReceived	The number of message received on the corresponded SCTP stream.
messageSent	The number of message sent on the corresponded SCTP stream.
bytesReceived	The number of bytes received on the corresponded SCTP stream.
bytesSent	The number of bytes sent on the corresponded SCTP stream.

SfuExtensionStats

Field	Description
type (Mandatory)	The type of the extension stats the custom app provides
payload (Mandatory)	The payload of the extension stats the custom app provides## SfuSample

docs

Field	Description
sfuId (Mandatory)	Unique generated id for the sfu samples are originated from
timestamp (Mandatory)	The timestamp the sample is created in GMT
timeZoneOffsetInHours	The offset from GMT in hours
marker	Special marker for the samples
customSfuEvents	User provided custom call events
transports	The Sfu Transports obtained measurements
inboundRtpPads	The Sfu Inbound Rtp Pad obtained measurements
outboundRtpPads	The Sfu Outbound Rtp Pad obtained measurements
sctpChannels	The Sfu Outbound Rtp Pad obtained measurements
extensionStats	The Sfu provided custom stats payload

TurnPeerAllocation

Field	Description
peerId (Mandatory)	a unique id for the allocation
sessionId (Mandatory)	The corresponded session the allocation belongs to
relayedAddress (Mandatory)	The allocated address
relayedPort (Mandatory)	The allocated port
transportProtocol (Mandatory)	protocol (TCP, UDP)
peerAddress	The address of the address the serever connect to
peerPort	The portnumber the server connects to
sendingBitrate	the bitrate the TURN server sending to the peer
receivingBitrate	the bitrate the TURN server receiving from the peer
sentBytes	the amount of bytes sent to the peer
receivedBytes	the amount of bytes received from the peer
sentPackets	the amount of packets sent to the peer
receivedPackets	the amount of packets received from the peer

TurnSession

Field	Description
sessionId (Mandatory)	Flag indicate to not generate report from this sample
realm	The Authentication Realm (RFC 8656)
username	The username of the used in authentication
clientId	The id of the client the TURN session belongs to (ClientSample)
started	The timestamp when the session has been started. Epoch in milliseconds, GMT
nonceExpirationTime	For each Allocate request, the server SHOULD generate a new random nonce when the allocation is first attempted following the randomness recommendations in [RFC4086] and SHOULD expire the nonce at least once every hour during the lifetime of the allocation. Epoch in millis GMT
serverAddress	The address of the server the client connected to
serverPort	The portnumber the server listens the client requests
transportProtocol	the transport protocol betwwen the client and the server (TCP, UDP, TCPTLS, UDPTLS, SCTP, SCTPTLS)
clientAddress	The address of the client connected from
clientPort	The portnumber the client requested from
sendingBitrate	the bitrate the TURN server sending to the client
receivingBitrate	the bitrate the TURN server receiving from the client
sentBytes	the amount of bytes sent to the client
receivedBytes	the amount of bytes received from the client
sentPackets	the amount of packets sent to the client
receivedPackets	the amount of packets received from the client## TurnSample

docs

Field	Description
serverId (Mandatory)	A unique id of the turn server
allocations	Peer Alloocation data
sessions	Session data## Samples

Observer created reports related to events (call started, call ended, client joined, etc...) indicated by the incoming samples.

Field	Description
controls	Additional control flags indicate various operation has to be performed
clientSamples	Samples taken from the client
sfuSamples	Samples taken from an Sfu
turnSamples	Samples taken from the TURN server

Changelog

2.2.2

• Bugfix for Decoder library decoding IceCandidatePairs
• remove schemaVersion from Reports

2.2.1

• Encoder and Decoder libraries are added
• added schemaVersion to each generated Samples anre Reports

2.2.0

Added

• CustomCallEvent to ClientSample resembles a CallEventReport, but possible to report from the client side.
• CustomSfuEvent to SfuSample resembles an SfuEventReport, but possible to report from the SFU side.

2.1.8

• change IceCandidatePair Report accordingly to IceCandidatePair sample

2.1.7

• change csv header lowercase to snake case

2.1.6

• change type of framesDropped in InboundVideoTrack report from double to int

2.1.5

• Make label field in PeerConnectionTransport optional

2.1.4

• Add label field to PeerConnectionTransport

2.1.3

• change type of framesDropped in InboundVideoTrack from double to int

2.1.2

Renamed

• DataChannelStats record to DataChannel in ClientSample
• IceCandidatePairStats record to IceCandidatePair in ClientSample

2.1.1

Restored

• senderId field in W3CStats for backward compatibility in client-monitor
• rtcpTransportStatsId field in W3CStats for backward compatibility in client-monitor

2.1.0

Added

• ice candidate pair stats in samples extracted from client transport
• ice candidate pair report
• peer connection transport report
• mid field to ClientSamples inbound rtp related stats
• jitterBufferMinimumDelay field to ClientSamples inbound rtp related stats
• playoutId field to ClientSamples inbound rtp related stats
• packetsDiscarded field to ClientSamples inbound rtp related stats
• jitterBufferTargetDelay field to ClientSamples inbound rtp related stats
• active field to ClientSample outbound rtp related stats
• droppedSamplesDuration field to ClientSample audio source related stats
• droppedSamplesEvents field to ClientSample audio source related stats
• totalCaptureDelay field to ClientSample audio source related stats
• totalSamplesCaptured field to ClientSample audio source related stats
• dtlsRole to transport stats
• RTCAudioPlayoutStats to inbound-rtp related stats

Modified

• pcTransports is changed to contain only peer connection transport fields

Removed

• client-transport-report

• packetsDiscarded field from InboundAudioTrack, InboundVideoTrack samples and reports

• packetsRepaired field from InboundAudioTrack, InboundVideoTrack samples and reports

• burstPacketsLost field from InboundAudioTrack, InboundVideoTrack samples and reports

• burstPacketsDiscarded field from InboundAudioTrack, InboundVideoTrack samples and reports

• burstLossCount field from InboundAudioTrack, InboundVideoTrack samples and reports

• burstDiscardCount field from InboundAudioTrack, InboundVideoTrack samples and reports

• burstLossRate field from InboundAudioTrack, InboundVideoTrack samples and reports

• burstDiscardRate field from InboundAudioTrack, InboundVideoTrack samples and reports

• gapLossRate field from InboundAudioTrack, InboundVideoTrack samples and reports

• gapDiscardRate field from InboundAudioTrack, InboundVideoTrack samples and reports

• partialFramesLost field from InboundAudioTrack, InboundVideoTrack samples and reports

• fullFramesLost field from InboundAudioTrack, InboundVideoTrack samples and reports

• averageRtcpInterval field from InboundAudioTrack, InboundVideoTrack samples and reports

• voiceActivityFlag field from InboundAudioTrack, InboundVideoTrack samples and reports

• frameBitDepth field from InboundAudioTrack, InboundVideoTrack samples and reports

• packetsFailedDecryption field from InboundAudioTrack, InboundVideoTrack samples and reports

• packetsDuplicated field from InboundAudioTrack, InboundVideoTrack samples and reports

• perDscpPacketsReceived field from InboundAudioTrack, InboundVideoTrack samples and reports

• sliCount field from InboundAudioTrack, InboundVideoTrack samples and reports

• fullFramesLost field from InboundAudioTrack, InboundVideoTrack samples and reports

• totalSamplesDecoded field from InboundAudioTrack, InboundVideoTrack samples and reports

• samplesDecodedWithSilk field from InboundAudioTrack, InboundVideoTrack samples and reports

• samplesDecodedWithCelt field from InboundAudioTrack, InboundVideoTrack samples and reports

• samplesreportsReceived field from InboundAudioTrack, InboundVideoTrack samples and reports

• rtxSsrc field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• senderId field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• lastPacketSentTimestamp field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• packetsDiscardedOnSend field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• bytesDiscardedOnSend field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• fecPacketsSent field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• framesDiscardedOnSend field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• totalSamplesSent field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• samplesEncodedWithSilk field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• samplesEncodedWithCelt field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• voiceActivityFlag field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• sliCount field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• frameBitDepth field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• perDscpPacketsSent field from OutboundAudioTrack, OutboundVideoTrack samples and reports

• bitDepth field from OutboundAudioTrack, OutboundVideoTrack samples and reports

2.0.4

Added

• csv column list for every report. Generated from the schema, required fields first, and fields are in sorted order

2.0.3

Added

• remoteSfuId to SfuInboundRtpPad reports
• remoteTransportId to SfuInboundRtpPad reports
• remoteSinkId to SfuInboundRtpPad reports
• remoteRtpPadId to SfuInboundRtpPad reports

2.0.2

Added

• roundTripTime to SfuOutboundRtp report

2.0.1

Added

• internal attribute to SfuSctpChannel sample
• internal attribute to SfuSctpStream report
• internal attribute to SfuTransport report

2.0.0

init