"IP Camera" can turn your device into a wireless IP Camera via build-in RTSP and HTTP Server for security monitoring WITH Bi-directional audio support, you can use your browser to view, of course, include "IP Camera". It support auto video recording which based on Motion Detection and the video record can be uploaded to FTP server automatically and notify you via Email!

"IP Camera" can push the video and audio to RTMP/SRT live media server and use for network live broadcast. It supports the rtmps security protocol and SRT protocol and it can also push the media to multiple media server at the same time. It also supports HEVC over RTMP and can be used for YouTube Live currently. You can turn it on from IP Camera Server.

IP Camera Server supports Picture In Picture on Android 8.0 and above which means you can do other things when IP Camera Server running.

It supports multi-lens selection on Android 9 and above. It supports output video up to 4K UHD resolution and up to 60FPS and also supports opening two cameras simultaneously for streaming (The maximum resolution and frame rate and camera combination are based on your Android devices).

It supports UPnP port forwarding. If you can access your gateway via WAN, and the UPnP on your gateway is opened, you can also use WAN Url from WAN to visit IP Camera Server. It also supports user name and password authentication, default username and password are admin, you can modify from the Settings.

"IP Camera" is also a ONVIF and MJPEG viewer WITH video recording support! It also supports RTSP and SRT, RTMP protocols to playback!

Finally, you can add another device's IP Camera Server quickly with build-in QR Code!

Using HEVC for video recording/streaming requires Android 5.0 or above, and the device must supports HEVC codec.

IP Camera Bridge - A MJPEG video streaming and virtual microphone driver for PC which can make your PC applications using IP Camera as WebCam with audio input. 
https://github.com/shenyaocn/IP-Camera-Bridge

ONVIF Support https://youtu.be/QsKXdkAywfI
Picture In Picture https://youtu.be/ejLWQSZ5b_k
More Info https://www.youtube.com/watch?v=vOQSl7-h5-c

Turn your device into a wireless IP Camera via build-in RTSP and HTTP Server