example: ffmpeg:https://example.com/song.mp3#audio=pcma#input=filesend / cameras with two way audio support
YouTube: rtmps://xxx.rtmp.youtube.com/live2/xxxx-xxxx-xxxx-xxxx-xxxx Telegram: rtmps://xxx-x.rtmp.t.me/s/xxxxxxxxxx:xxxxxxxxxxxxxxxxxxxxxxsend / Telegram RTMPS server