uStreamer 2.0: Memory protection

Given the previous changes, I believe that there are already enough changes for version 2.0 :)

• wiringPi replaced to libgpiod (reasons: ⁠news⁠)

• Added protection from memory corruption on usage of buggy webcam drivers (details)

• Disabled cross-domain requests by default for security reasons (details)

To update:

rw
pacman -Syu
reboot