Multi Cam Viewer

This code is based on a Tutorial by Javidx9 (8bits of Image Processing). In fact, the main functional changes are the following:

1. The video capture function runs in a separate thread.
2. If there's more than one webcam, pressing the TAB key switches between cameras. Up to four cameras can be used (though it's practically only limited by the number of cameras available. Who needs more than 4 cameras?).
3. All webcam captures are displayed simultaneously as preview. (27 May 2020)

The program's main function is applying several types of image processing on the video supplied by the webcam (or an external cam).

I've implemented a fresh-video constraint (bVideoBufferExists) and a provisional sleep function (to heat the cpu a bit less). It's possible that non-video-related code runs regardless of the fresh-video constraint. E.g. to read keyboard inputs, or communicate with I/Os, read files, make other animations/calculations, running AI algorithms, etc.

requires:

1. olcPixelGameEngine (available on Github)
2. escapi (Simple Camera interface, and its dll's)
3. a webcam of some sort (internal or external)

check Javidx9's Tutorial for video processing: Relevant Video: https://youtu.be/mRM5Js3VLCk

for threading I've found the Cherno's short video to be useful: https://www.youtube.com/watch?v=wXBcwHwIt_I

If you're interested in C++ development, check out the Altay Tank Game repo: https://github.com/gurkanctn/AltayTankGame

STEPS TO CONFIGURE VISUAL STUDIO TO RUN and Improve MultiCamViewer:

1. add "escapi.h" to your source
2. add "escapi.cpp" to your source
3. copy the correct (x86 or x64) version of "escapi.dll" into the Output folder where your executable is built (e.g. "YourProject\Debug\x64")