FAQ
Errors
Video stream not showing in browser
The browser version might be too old. Make sure that the latest version is installed.
Web app doesn't run on Safari browser
Check the web server's startup options. In Safari and iOS Safari, WebRTC features cannot be used with http. Instead, https must be used.
Unity's initial startup fails
Confirm you're using a Graphics API and compare requirements of com.unity.webrtc.
Make sure you're using a graphics card that supports Nvcodec. Also confirm that the latest graphics driver version is installed. See also: com.unity.webrtc documentation.
Web server fails to run
Make sure the port isn't being used by another service.
Issues with the environment
Which versions of Unity can be used?
It is available on Unity 2019.3.
Which OS can be used?
Windows10 x64, Linux x64, MacOS. Support for UWP(Universal Windows Platform), mobile platform like Android and iOS will be provided later.
Are there any hardware constraints?
The hardware code uses NVCodec, so an NVIDIA graphics card is required. See the NVIDIA site for information on graphics cards that support NVCodec.
Which browsers are supported?
Any browser, as long as it supports WebRTC.
Questions about features
Is it possible to broadcast to multiple devices?
Yes. However, the more devices being transmitted to, the greater the burden on the transmitting device. For example, on a new desktop PC it's possible to transmit 720p video to about 5 devices, but anything more than that will require using an SFU broadcast server.
Is simulcast supported?
Currently, version 1.0 does not support simulcast.
Can you broadcast the feed from multiple cameras?
Currently, version 1.0 cannot.
How do you increase the video quality?
Video quality depends on the quality of the network.
Is Realtime-Raytracing supported?
Currently, version 1.2 cannot.
Questions about support
Technical support from Unity can be gotten?
It is available to ask questions on the page of Unity forum. Also please report on Github Issues for reporting bugs or requesting features.
Is it available to deploy Unity to cloud service like GCP as a rendering server?
Unity is not supported using for rendering server.