coreaudio 0.4.2

A safe and simple wrapper around the CoreAudio HAL
Documentation 
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//! # Main.rs
//! 
//! The main test file; Used to decide which device to use
//! before passing that on to the other files and functions
//! 

use std::{thread, time::Duration};

use coreaudio::{AudioObject, DEVICE_NAME, Device, Scope, System};

/// Aggregate device called `Test Subject`
static TEST_DEVICE_NAME: &str = "BlackHole 2ch";

#[test]
fn main() {
    let system = AudioObject::default();

    let test_output = get_test_device(system, Scope::Input);

    let mut proc = test_output.add_io_proc(Scope::Input, |buffers| {
        println!("Buffers: {}", buffers.len());
        buffers.iter()
        .for_each(|buffer| {
            println!(
                "Input: {:?}\nNow: {:?}\nOutput: {:?}",
                buffer.get_input_time(),
                buffer.get_now_time(),
                buffer.get_output_time(),
            )
        });
    }).unwrap();

    proc.play().unwrap();
    thread::sleep(Duration::from_secs(5));
    proc.remove();
}

/// Helper function to find a device
/// matching the name of the test device
/// 
/// This function will panic if something
/// goes wrong and that is by design
fn get_test_device(
    sys: AudioObject<System>,
    scope: Scope
) -> AudioObject<Device> {
    sys.devices_with_scope(scope)
        .unwrap()
        .iter()
        .find(|d| {
            d.get_property(DEVICE_NAME)
                .unwrap_or("".to_owned())
                .eq(TEST_DEVICE_NAME)
        }).unwrap()
        .clone()
}