blob: 1b9831a7538824f6b5944dfddbbfa14e5f791486 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <vector>
#include "common/common_types.h"
namespace AudioCore {
struct InterpolationState {
int fraction = 0;
};
/// Interpolates input signal to produce output signal.
/// @param input The signal to interpolate.
/// @param ratio Interpolation ratio.
/// ratio > 1.0 results in fewer output samples.
/// ratio < 1.0 results in more output samples.
/// @returns Output signal.
std::vector<s16> Interpolate(InterpolationState& state, std::vector<s16> input, double ratio);
/// Interpolates input signal to produce output signal.
/// @param input The signal to interpolate.
/// @param input_rate The sample rate of input.
/// @param output_rate The desired sample rate of the output.
/// @returns Output signal.
inline std::vector<s16> Interpolate(InterpolationState& state, std::vector<s16> input,
u32 input_rate, u32 output_rate) {
const double ratio = static_cast<double>(input_rate) / static_cast<double>(output_rate);
return Interpolate(state, std::move(input), ratio);
}
} // namespace AudioCore
|
