rodio/examples/mix_multiple_sources.rs
2024-11-21 21:43:24 +04:00

41 lines
1.4 KiB
Rust

use rodio::mixer;
use rodio::source::{SineWave, Source};
use std::error::Error;
use std::time::Duration;
fn main() -> Result<(), Box<dyn Error>> {
// Construct a dynamic controller and mixer, stream_handle, and sink.
let (controller, mixer) = mixer::mixer::<f32>(2, 44_100);
let stream_handle = rodio::OutputStreamBuilder::open_default_stream()?;
let sink = rodio::Sink::connect_new(&stream_handle.mixer());
// Create four unique sources. The frequencies used here correspond
// notes in the key of C and in octave 4: C4, or middle C on a piano,
// E4, G4, and A4 respectively.
let source_c = SineWave::new(261.63)
.take_duration(Duration::from_secs_f32(1.))
.amplify(0.20);
let source_e = SineWave::new(329.63)
.take_duration(Duration::from_secs_f32(1.))
.amplify(0.20);
let source_g = SineWave::new(392.0)
.take_duration(Duration::from_secs_f32(1.))
.amplify(0.20);
let source_a = SineWave::new(440.0)
.take_duration(Duration::from_secs_f32(1.))
.amplify(0.20);
// Add sources C, E, G, and A to the mixer controller.
controller.add(source_c);
controller.add(source_e);
controller.add(source_g);
controller.add(source_a);
// Append the dynamic mixer to the sink to play a C major 6th chord.
sink.append(mixer);
// Sleep the thread until sink is empty.
sink.sleep_until_end();
Ok(())
}