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biquad_filter: Clamp f64 in ApplyBiquadFilterFloat

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This commit is contained in:
Merry
2023-02-10 20:43:34 +00:00
parent 9bdcb1070f
commit 3c60bc36a1
1 changed files with 3 additions and 3 deletions
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6
src/audio_core/renderer/command/effect/biquad_filter.cpp
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@@ -20,8 +20,8 @@ namespace AudioCore::AudioRenderer {
void ApplyBiquadFilterFloat(std::span<s32> output, std::span<const s32> input, void ApplyBiquadFilterFloat(std::span<s32> output, std::span<const s32> input,
std::array<s16, 3>& b_, std::array<s16, 2>& a_, std::array<s16, 3>& b_, std::array<s16, 2>& a_,
VoiceState::BiquadFilterState& state, const u32 sample_count) { VoiceState::BiquadFilterState& state, const u32 sample_count) {
constexpr s64 min{std::numeric_limits<s32>::min()}; constexpr f64 min{std::numeric_limits<s32>::min()};
constexpr s64 max{std::numeric_limits<s32>::max()}; constexpr f64 max{std::numeric_limits<s32>::max()};
std::array<f64, 3> b{Common::FixedPoint<50, 14>::from_base(b_[0]).to_double(), std::array<f64, 3> b{Common::FixedPoint<50, 14>::from_base(b_[0]).to_double(),
Common::FixedPoint<50, 14>::from_base(b_[1]).to_double(), Common::FixedPoint<50, 14>::from_base(b_[1]).to_double(),
Common::FixedPoint<50, 14>::from_base(b_[2]).to_double()}; Common::FixedPoint<50, 14>::from_base(b_[2]).to_double()};
@@ -34,7 +34,7 @@ void ApplyBiquadFilterFloat(std::span<s32> output, std::span<const s32> input,
f64 in_sample{static_cast<f64>(input[i])}; f64 in_sample{static_cast<f64>(input[i])};
auto sample{in_sample * b[0] + s[0] * b[1] + s[1] * b[2] + s[2] * a[0] + s[3] * a[1]}; auto sample{in_sample * b[0] + s[0] * b[1] + s[1] * b[2] + s[2] * a[0] + s[3] * a[1]};
output[i] = static_cast<s32>(std::clamp(static_cast<s64>(sample), min, max)); output[i] = static_cast<s32>(std::clamp(sample, min, max));
s[1] = s[0]; s[1] = s[0];
s[0] = in_sample; s[0] = in_sample;