diff options
Diffstat (limited to 'src/audio_core/delay_line.cpp')
-rw-r--r-- | src/audio_core/delay_line.cpp | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/src/audio_core/delay_line.cpp b/src/audio_core/delay_line.cpp deleted file mode 100644 index b1626a71b..000000000 --- a/src/audio_core/delay_line.cpp +++ /dev/null @@ -1,107 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <cstring> -#include "audio_core/delay_line.h" - -namespace AudioCore { -DelayLineBase::DelayLineBase() = default; -DelayLineBase::~DelayLineBase() = default; - -void DelayLineBase::Initialize(s32 max_delay_, float* src_buffer) { - buffer = src_buffer; - buffer_end = buffer + max_delay_; - max_delay = max_delay_; - output = buffer; - SetDelay(max_delay_); - Clear(); -} - -void DelayLineBase::SetDelay(s32 new_delay) { - if (max_delay < new_delay) { - return; - } - delay = new_delay; - input = (buffer + ((output - buffer) + new_delay) % (max_delay + 1)); -} - -s32 DelayLineBase::GetDelay() const { - return delay; -} - -s32 DelayLineBase::GetMaxDelay() const { - return max_delay; -} - -f32 DelayLineBase::TapOut(s32 last_sample) { - const float* ptr = input - (last_sample + 1); - if (ptr < buffer) { - ptr += (max_delay + 1); - } - - return *ptr; -} - -f32 DelayLineBase::Tick(f32 sample) { - *(input++) = sample; - const auto out_sample = *(output++); - - if (buffer_end < input) { - input = buffer; - } - - if (buffer_end < output) { - output = buffer; - } - - return out_sample; -} - -float* DelayLineBase::GetInput() { - return input; -} - -const float* DelayLineBase::GetInput() const { - return input; -} - -f32 DelayLineBase::GetOutputSample() const { - return *output; -} - -void DelayLineBase::Clear() { - std::memset(buffer, 0, sizeof(float) * max_delay); -} - -void DelayLineBase::Reset() { - buffer = nullptr; - buffer_end = nullptr; - max_delay = 0; - input = nullptr; - output = nullptr; - delay = 0; -} - -DelayLineAllPass::DelayLineAllPass() = default; -DelayLineAllPass::~DelayLineAllPass() = default; - -void DelayLineAllPass::Initialize(u32 delay_, float coeffcient_, f32* src_buffer) { - DelayLineBase::Initialize(delay_, src_buffer); - SetCoefficient(coeffcient_); -} - -void DelayLineAllPass::SetCoefficient(float coeffcient_) { - coefficient = coeffcient_; -} - -f32 DelayLineAllPass::Tick(f32 sample) { - const auto temp = sample - coefficient * *output; - return coefficient * temp + DelayLineBase::Tick(temp); -} - -void DelayLineAllPass::Reset() { - coefficient = 0.0f; - DelayLineBase::Reset(); -} - -} // namespace AudioCore |