Since there is no documentation on the API for non-Hikvision rebranded LaView NVRs, I decided to figure it out myself.
found in Port Configuration under Network settings
rtsp://{user}:{pass}@{ip}:{port}/ch{channel}/{stream}
{user}
- Admin username{pass}
- Admin password{ip}
- NVR IP address{port}
- RTSP port in Port Configuration{channel}
- Camera channel{stream}
- 0: Main stream, 1: Sub stream, 2: Mobile stream