What is the GStreamer Webcam application, how does it work?

According to the introduction of bezzalogowe.pl, GStreamer Webcam is a Tools app on the Android platform. There is currently a 1.0 version released on Jul 20, 2019, you can see the details below.

The app streams video from your Android device's main camera to given IP address. Video is encoded with H.264, audio is encoded with FLAC. Video and audio sources are ahcsrc and openslessrc respectively. Receiving machine must have gstreamer1.0 and gst-launch-1.0 installed.

To receive video run:
gst-launch-1.0 udpsrc port=5000 ! h264parse ! avdec_h264 ! autovideosink

To receive audio run:
gst-launch-1.0 udpsrc port=5001 ! audio/x-raw, format=S16LE, channels=1, rate=16000 ! autoaudiosink sync=false

To receive audio encoded with FLAC run:
gst-launch-1.0 udpsrc port=5001 ! flacparse ! flacdec ! autoaudiosink sync=false

Last used IP address is saved. Maximum video resolution is limited by your bandwidth.

What's new in version 1.0 Now supports 64-bit architectures.