iPhone Camera Live Stream App

I need an iPhone camera app that can:

- Share a live stream to desktop software over Wi-Fi
- Record a 5-second video at 240 FPS
- Encode video on the phone
- Support up to three live iPhone cameras
- It is for golfswing analysis

See this video for reference, this is exactly what we need: https://youtu.be/l5HJrVVjqts?si=OM-nxBAzadeqC2By

The desktop software will be used for editing videos. The processing will be done on the iPhone.

Ideal Skills and Experience:
- Mobile app development, especially for iOS
- Experience with video streaming and encoding
- Proficiency in handling multiple camera inputs
- Strong background in Wi-Fi connectivity and data transmission

Please provide examples of similar work.