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FACEBOOK STREAMING

Multi-Camera Livestreaming with OBS on Mac M2

Hardware compatibility

iPad A1474 (2013)

iOS 12.5.7 limit. Most modern mic apps incompatible. Use Galaxy A25 for audio.

MacBook M2 supports 2-3 cameras simultaneously due to USB bandwidth constraints.

Facebook specs

  • 720p maximum resolution.
  • 4,000 Kbps max video bitrate.
  • RTMPS protocol required.

1. Page setup

Access Meta Business Suite → Live Video → Select "Streaming Software". Enable persistent stream key.

2. Essential software

  1. OBS Studio (Silicon native)
  2. BlackHole audio driver
  3. DroidCam OBS plugin

3. Camera config

Galaxy A25: DroidCam (USB mode recommended for low latency).

iPad A1474: "Camera for OBS Studio" (verified iOS 12 compatible).

4. Wireless mic

Use SonoBus on Galaxy A25. Route output through BlackHole to OBS.

5. OBS Studio

Service: Facebook Live
Encoder: Apple VT H264 (Hardware)
Bitrate: 4000 Kbps
Resolution: 1280x720

6. Audio routing

Create a Multi-Output Device in Audio MIDI Setup. Add "BlackHole 2ch" and "Built-in Output".

7. Optimization

  • Use hardware acceleration.
  • Avoid USB hubs for cameras.
  • Monitor CPU usage (keep < 70%).