# Cava

Audio visualizer using [cava](https://github.com/karlstav/cava).

## Usage

You can browse the [Cava reference](https://aylur.github.io/libastal/cava).

### CLI

There is no CLI for this library, use the one provided by cava.

```sh
cava
```

### Library

:::code-group

```js [<i class="devicon-javascript-plain"></i> JavaScript]
import Cava from "gi://AstalCava"

const cava = Cava.get_default()

cava.connect("notify::values", () => {
    print(cava.get_values())
})
```

```py [<i class="devicon-python-plain"></i> Python]
from gi.repository import AstalCava as Cava

cava = Cava.get_default()

def callback(self, pspec):
    print(cava.get_values())

cava.connect("notify::values", callback)
```

```lua [<i class="devicon-lua-plain"></i> Lua]
local Cava = require("lgi").require("AstalCava")

local cava = Cava.get_default()

cava.on_notify.values = function()
    print(cava.values)
end
```

```vala [<i class="devicon-vala-plain"></i> Vala]
var cava = AstalCava.get_default();

cava.notify["values"].connect(() => {
    foreach (var value in cava.values) {
        print(value);
    }
});
```

:::

## Installation

1. install dependencies

    Note that it requires [libcava](https://github.com/LukashonakV/cava), a fork
    of cava, which provides cava as a shared library.

    :::code-group

    ```sh [<i class="devicon-archlinux-plain"></i> Arch]
    sudo pacman -Syu meson vala gobject-introspection
    paru -S libcava
    ```

    ```sh [<i class="devicon-fedora-plain"></i> Fedora]
    # Not yet documented
    ```

    ```sh [<i class="devicon-ubuntu-plain"></i> Ubuntu]
    # Not yet documented
    ```

    :::

2. clone repo

    ```sh
    git clone https://github.com/aylur/astal.git
    cd astal/lib/cava
    ```

3. install

    ```sh
    meson setup build
    meson install -C build
    ```
