VU-meter

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Just a volume visualization on a keyboard

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# 🎵 VU-meter
It's just a funny project that visualizes [volume units](https://en.wikipedia.org/wiki/VU_meter) (VU) in a terminal and on your keyboard LEDs for a playing music.
<p align="center">
  <img alt="zydis logo" src="https://github.com/HoShiMin/VU-meter/blob/main/assets/vu-meter.png">
</p>

#### 🎚️ It demonstrates:
* [EndpointVolume API](https://docs.microsoft.com/en-us/windows/win32/coreaudio/endpointvolume-api) through a COM interface.
* [RawInput API](https://docs.microsoft.com/en-us/windows/win32/inputdev/about-raw-input) to track a state of NumLock, CapsLock and ScrollLock buttons.
* Console manipulation to draw graphs in a console app.

#### 🎧 Usage:
Just turn on the music in your favorite player or in a browser, run the app and look at your keyboard LEDs!  
> But there is one restriction: it doesn't work with audio playing through a direct mode (usually uses in foobar2000 to listen an HD audio).

> And yes, the second one: it looks ugly in the modern Windows Terminal app for now, so if you have a chance to run it in an old good console (or from a Visual Studio directly) - run it and enjoy.

Anyway, feel yourself like a DJ and get fun! 😄

VU-meter

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