Statistics

stats.subscribe

Subscribe to periodic session statistics.

{"id":"1","method":"stats.subscribe","params":{"interval_ms":5000}}

Param	Type	Default	Description
interval_ms	u32	5000	Emission interval in milliseconds (min: 500, max: 3600000)

stats.unsubscribe

{"id":"2","method":"stats.unsubscribe","params":{}}

Stats Event

{
  "event": "stats",
  "data": {
    "endpoints": [
      {
        "endpoint_id": "...",
        "inbound": {
          "packets": 1500,
          "bytes": 240000,
          "packets_lost": 0,
          "jitter_ms": 0.0,
          "last_received_ms_ago": 20
        },
        "outbound": {
          "packets": 1500,
          "bytes": 240000
        },
        "rtt_ms": null,
        "codec": "",
        "state": "connected"
      }
    ]
  }
}

Field Notes

Field	Notes
rtt_ms	Round-trip time from RTCP. null until an RTCP Receiver Report referencing the bridge's Sender Report has been received. This applies to both plain RTP and WebRTC endpoints.
codec	Negotiated codec name (e.g., "opus", "PCMU"). Empty string "" means no codec has been negotiated yet.
state	One of: new, buffering, connecting, connected, playing, paused, disconnected, finished.