Options
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The options of new PiCamera(options).
| Option | Type | Default | Description |
|---|---|---|---|
| signaling | 'mqtt' | 'livekit' | 'cloudflare' | mqtt | How the SDK reaches the device. |
| uid | string | The --uid of the device. Used by mqtt and cloudflare. | |
| mqttHost | string | The MQTT broker host. | |
| mqttPath | string | /mqtt | The MQTT broker path. |
| mqttPort | number | The WebSocket port of the MQTT broker, such as 8084 on EMQX Serverless. | |
| mqttProtocol | string | wss | The protocol for the MQTT broker. |
| mqttUsername | string | The username for the MQTT broker. | |
| mqttPassword | string | The password for the MQTT broker. | |
| livekitUrl | string | The WebSocket URL of the LiveKit server. The same as the device's --livekit-url. | |
| livekitKey | string | The LiveKit API key, the same as the device's --livekit-key. Not the same as apiKey. | |
| livekitRoom | string | The room to join. The same as the device's --livekit-room. | |
| userId | string | random UUID | The name of this viewer in the SFU room. |
| apiUrl | string | The base URL of the device API, used by both SFU paths. | |
| apiKey | string | The viewer key for the device API, sent as Authorization: Bearer. | |
| stunUrls | string[] | STUN server URLs. Leave it out, or set null, on a local network or a VPN. | |
| turnUrls | string[] | TURN server URLs. | |
| turnUsername | string | The username for the TURN server. | |
| turnPassword | string | The password for the TURN server. | |
| timeout | number | 10000 | The connection timeout, in milliseconds. |
| datachannelOnly | boolean | false | Connect for data only, without video or audio. |
| isMicOn | boolean | true | Turn on the local microphone when the connection is up. |
| isSpeakerOn | boolean | true | Play the remote audio when the connection is up. |
| codec | string | H264, VP8, VP9 or AV1. Only used with mqtt. With livekit and cloudflare, the SFU forwards the codec that the device published. | |
| maxBitrate | number | The most video bitrate the device may send to this viewer, in kbps. Only used with mqtt. See Bandwidth. | |
| jitterBufferTarget | number | How many milliseconds of media the receive buffer should hold (0 to 4000). See setJitterBufferTarget. |