nannou 0.9.0

A Creative Coding Framework for Rust.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46

use crate::audio::cpal;
use std::ops::Deref;

/// A device that can be used to spawn an audio stream.
pub struct Device {
    pub(crate) device: cpal::Device,
}

/// An iterator yielding all available audio devices.
pub struct Devices {
    pub(crate) devices: cpal::Devices,
}

impl Device {
    /// The maximum number of output channels of any format supported by this device.
    pub fn max_supported_output_channels(&self) -> usize {
        self.supported_output_formats()
            .expect("failed to get supported output audio stream formats")
            .map(|fmt| fmt.channels as usize)
            .max()
            .unwrap_or(0)
    }

    /// The maximum number of input channels of any format supported by this device.
    pub fn max_supported_input_channels(&self) -> usize {
        self.supported_input_formats()
            .expect("failed to get supported input audio stream formats")
            .map(|fmt| fmt.channels as usize)
            .max()
            .unwrap_or(0)
    }
}

impl Deref for Device {
    type Target = cpal::Device;
    fn deref(&self) -> &Self::Target {
        &self.device
    }
}

impl Iterator for Devices {
    type Item = Device;
    fn next(&mut self) -> Option<Self::Item> {
        self.devices.next().map(|device| Device { device })
    }
}