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https://github.com/RustAudio/rodio
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18911085a7
This example plays a C Major 6th chord by adding four sources, sine waves frequencies of C, E, G, and A, to a `DynamicMixerController`, and appends its respective `DynamicMixer` to a sink.
38 lines
1.4 KiB
Rust
38 lines
1.4 KiB
Rust
use rodio::source::{SineWave, Source};
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use rodio::{dynamic_mixer, OutputStream, Sink};
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use std::time::Duration;
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fn main() {
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// Construct a dynamic controller and mixer, stream_handle, and sink.
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let (controller, mixer) = dynamic_mixer::mixer::<f32>(2, 44_100);
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let (_stream, stream_handle) = OutputStream::try_default().unwrap();
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let sink = Sink::try_new(&stream_handle).unwrap();
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// Create four unique sources. The frequencies used here correspond
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// notes in the key of C and in octave 4: C4, or middle C on a piano,
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// E4, G4, and A4 respectively.
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let source_c = SineWave::new(261.63)
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.take_duration(Duration::from_secs_f32(1.))
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.amplify(0.20);
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let source_e = SineWave::new(329.63)
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.take_duration(Duration::from_secs_f32(1.))
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.amplify(0.20);
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let source_g = SineWave::new(392.0)
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.take_duration(Duration::from_secs_f32(1.))
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.amplify(0.20);
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let source_a = SineWave::new(440.0)
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.take_duration(Duration::from_secs_f32(1.))
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.amplify(0.20);
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// Add sources C, E, G, and A to the mixer controller.
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controller.add(source_c);
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controller.add(source_e);
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controller.add(source_g);
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controller.add(source_a);
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// Append the dynamic mixer to the sink to play a C major 6th chord.
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sink.append(mixer);
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// Sleep the thread until sink is empty.
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sink.sleep_until_end();
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}
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