{
	"bsonType": "object",
	"required": [
		"_id",
		"roomSid",
		"participantSid",
		"type",
		"source",
		"status",
		"publishedAt",
		"muted",
		"subscribers",
		"schemaVersion",
		"expiresAt"
	],
	"properties": {
		"_id": { "bsonType": "string", "description": "Track SID" },
		"roomSid": { "bsonType": "string" },
		"participantSid": { "bsonType": "string" },
		"identity": { "bsonType": "string" },
		"type": { "bsonType": "string", "enum": ["AUDIO", "VIDEO", "DATA"] },
		"source": {
			"bsonType": "string",
			"enum": ["UNKNOWN", "CAMERA", "MICROPHONE", "SCREEN_SHARE", "SCREEN_SHARE_AUDIO"]
		},
		"mimeType": { "bsonType": "string" },
		"name": { "bsonType": "string" },
		"status": { "bsonType": "string", "enum": ["published", "unpublished"] },
		"publishedAt": { "bsonType": "date" },
		"unpublishedAt": { "bsonType": "date" },
		"durationMs": { "bsonType": ["long", "int"] },
		"closedBy": { "bsonType": "string", "enum": ["event", "reconciler"] },
		"muted": { "bsonType": "bool" },
		"width": { "bsonType": ["int", "long"] },
		"height": { "bsonType": ["int", "long"] },
		"simulcast": { "bsonType": "bool" },
		"codecs": {
			"bsonType": "array",
			"items": {
				"bsonType": "object",
				"required": ["mimeType"],
				"properties": {
					"mimeType": { "bsonType": "string" },
					"layers": {
						"bsonType": "array",
						"items": {
							"bsonType": "object",
							"required": ["quality"],
							"properties": {
								"quality": { "bsonType": "string", "enum": ["LOW", "MEDIUM", "HIGH", "OFF"] },
								"width": { "bsonType": ["int", "long"] },
								"height": { "bsonType": ["int", "long"] },
								"bitrate": { "bsonType": ["int", "long"] }
							},
							"additionalProperties": false
						}
					}
				},
				"additionalProperties": false
			}
		},
		"encryption": { "bsonType": "string", "enum": ["NONE", "GCM", "CUSTOM"] },
		"subscribers": {
			"bsonType": "object",
			"required": ["current", "total", "failed"],
			"properties": {
				"current": { "bsonType": ["int", "long"] },
				"total": { "bsonType": ["int", "long"] },
				"failed": { "bsonType": ["int", "long"] }
			},
			"additionalProperties": false
		},
		"publishStats": {
			"bsonType": "object",
			"required": [
				"bytes",
				"packets",
				"packetsLost",
				"packetLossPct",
				"nacks",
				"plis",
				"firs",
				"rttMaxMs",
				"jitterMaxMs",
				"durationMs",
				"layers"
			],
			"properties": {
				"bytes": { "bsonType": ["long", "int"] },
				"packets": { "bsonType": ["int", "long"] },
				"packetsLost": { "bsonType": ["int", "long"] },
				"packetLossPct": { "bsonType": "double" },
				"nacks": { "bsonType": ["int", "long"] },
				"plis": { "bsonType": ["int", "long"] },
				"firs": { "bsonType": ["int", "long"] },
				"rttMaxMs": { "bsonType": ["int", "long"] },
				"jitterMaxMs": { "bsonType": "double" },
				"durationMs": { "bsonType": ["long", "int"] },
				"layers": {
					"bsonType": "array",
					"items": {
						"bsonType": "object",
						"required": ["layer", "bytes", "packets", "frames"],
						"properties": {
							"layer": { "bsonType": ["int", "long"] },
							"bytes": { "bsonType": ["long", "int"] },
							"packets": { "bsonType": ["int", "long"] },
							"frames": { "bsonType": ["int", "long"] }
						},
						"additionalProperties": false
					}
				}
			},
			"additionalProperties": false
		},
		"internal": { "bsonType": "object", "description": "Writer bookkeeping; never read by the dashboard" },
		"schemaVersion": {
			"bsonType": ["int", "long"],
			"description": "SCHEMA_VERSION of the writer that last wrote the document"
		},
		"expiresAt": {
			"bsonType": ["date", "null"],
			"description": "closedAt + retention once closed; null while open"
		}
	},
	"additionalProperties": false
}