Janus webrtc media info event

gistfile1.txt

# Janus Event

The below

```
{
  "emitter": "JANUS",
  "type": 32,
  "subtype": 3,
  "timestamp": 1609858592641297,
  "session_id": 1844295228943483,
  "handle_id": 3031282399838154,
  "opaque_id": "visitor-testclient",
  "event": {
    "media": "audio",
    "base": 48000,
    "rtt": 0,
    "lost": 0,
    "lost-by-remote": 0,
    "jitter-local": 0,
    "jitter-remote": 0,
    "in-link-quality": 100,
    "in-media-link-quality": 100,
    "out-link-quality": 0,
    "out-media-link-quality": 0,
    "packets-received": 521,
    "packets-sent": 0,
    "bytes-received": 50789,
    "bytes-sent": 0,
    "bytes-received-lastsec": 5355,
    "bytes-sent-lastsec": 0,
    "nacks-received": 0,
    "nacks-sent": 0,
    "retransmissions-received": 0
  }
}
```