augmented_convert_sample_rate/
lib.rs

1// Augmented Audio: Audio libraries and applications
2// Copyright (c) 2022 Pedro Tacla Yamada
3//
4// The MIT License (MIT)
5//
6// Permission is hereby granted, free of charge, to any person obtaining a copy
7// of this software and associated documentation files (the "Software"), to deal
8// in the Software without restriction, including without limitation the rights
9// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10// copies of the Software, and to permit persons to whom the Software is
11// furnished to do so, subject to the following conditions:
12//
13// The above copyright notice and this permission notice shall be included in
14// all copies or substantial portions of the Software.
15//
16// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22// THE SOFTWARE.
23use samplerate::ConverterType;
24
25pub fn convert_sample_rate(input_rate: f32, input: &[f32], output_rate: f32, output: &mut [f32]) {
26    if (input_rate - output_rate).abs() < f32::EPSILON {
27        for (s, d) in input.iter().zip(output.iter_mut()) {
28            *d = *s;
29        }
30        return;
31    }
32
33    let result = samplerate::convert(
34        input_rate as u32,
35        output_rate as u32,
36        1,
37        ConverterType::SincBestQuality,
38        input,
39    )
40    .unwrap();
41    for (sample, out) in result.iter().zip(output.iter_mut()) {
42        *out = *sample;
43    }
44}
augmented_convert_sample_rate/lib.rs

augmented_convert_sample_rate/
lib.rs
