GoCoder has been EOL for a while (since 31 Aug 2021 to be precise). Wowza recommends to switch to https://softvelum.com/mobile. You may also have a look at one of these SDKs:
https://www.nanocosmos.de/v6/nanostream-toolkits.html
https://www.streamaxia.com/
https://www.videoexpertsgroup.com/mobile/