61 lines
1.7 KiB
Rust
61 lines
1.7 KiB
Rust
/* This example aims to produce the same behaviour
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* as the enumerate example in cpal
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* by Tom Gowan
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*/
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extern crate asio_sys as sys;
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// This is the same data that enumerate
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// is trying to find
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// Basically these are stubbed versions
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//
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// Format that each sample has.
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#[derive(Clone, Copy, Debug, PartialEq, Eq)]
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pub enum SampleFormat {
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// The value 0 corresponds to 0.
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I16,
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// The value 0 corresponds to 32768.
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U16,
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// The boundaries are (-1.0, 1.0).
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F32,
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}
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// Number of channels.
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pub type ChannelCount = u16;
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// The number of samples processed per second for a single channel of audio.
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
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pub struct SampleRate(pub u32);
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub struct Format {
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pub channels: ChannelCount,
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pub sample_rate: SampleRate,
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pub data_type: SampleFormat,
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}
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fn main() {
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let asio = sys::Asio::new();
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for name in asio.driver_names() {
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println!("Driver: {:?}", name);
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let driver = asio.load_driver(&name).expect("failed to load driver");
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let channels = driver
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.channels()
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.expect("failed to retrieve channel counts");
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let sample_rate = driver
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.sample_rate()
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.expect("failed to retrieve sample rate");
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let in_fmt = Format {
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channels: channels.ins as _,
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sample_rate: SampleRate(sample_rate as _),
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data_type: SampleFormat::F32,
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};
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let out_fmt = Format {
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channels: channels.outs as _,
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sample_rate: SampleRate(sample_rate as _),
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data_type: SampleFormat::F32,
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};
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println!(" Input {:?}", in_fmt);
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println!(" Output {:?}", out_fmt);
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}
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}
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