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audio_core: interpolate: Improvements to fix audio crackling.

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- Fixes audio crackling in Crash Team Racing Nitro-Fueled, Super Mario Odyssey, and others.
- Addresses followup issues from #3310.
This commit is contained in:
bunnei 2020-02-22 22:26:16 -05:00
parent 1ad21c841a
commit dc92c1b1ee
2 changed files with 38 additions and 23 deletions
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7
src/audio_core/algorithm/interpolate.h
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@ -6,12 +6,17 @@
#include <array>
#include <vector>
#include "common/common_types.h"
namespace AudioCore {
struct InterpolationState {
int fraction = 0;
static constexpr std::size_t taps{4};
static constexpr std::size_t history_size{taps * 2 - 1};
std::array<std::array<s16, 2>, history_size> history{};
double position{};
s32 fraction{};
};
/// Interpolates input signal to produce output signal.