extern crate hound;
extern crate samplerate_rs;
use hound::{SampleFormat, WavSpec, WavWriter};
use samplerate_rs::{convert, ConverterType};
fn main() {
let freq = std::f32::consts::PI * 880f32 / 44100f32;
let input: Vec<f32> = (0..44100 * 5).map(|i| (freq * i as f32).sin()).collect();
let resampled = convert(44100, 48000, 1, ConverterType::SincBestQuality, &input).unwrap();
let mut writer = WavWriter::create(
"resampled.wav",
WavSpec {
channels: 1,
sample_rate: 48000,
bits_per_sample: 32,
sample_format: SampleFormat::Float,
},
)
.unwrap();
resampled
.iter()
.for_each(|i| writer.write_sample(*i).unwrap());
}