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Diffstat (limited to '')
-rw-r--r-- | src/audio_core/renderer/command/effect/multi_tap_biquad_filter.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/audio_core/renderer/command/effect/multi_tap_biquad_filter.cpp b/src/audio_core/renderer/command/effect/multi_tap_biquad_filter.cpp new file mode 100644 index 000000000..b3c3ba4ba --- /dev/null +++ b/src/audio_core/renderer/command/effect/multi_tap_biquad_filter.cpp @@ -0,0 +1,45 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "audio_core/renderer/adsp/command_list_processor.h" +#include "audio_core/renderer/command/effect/biquad_filter.h" +#include "audio_core/renderer/command/effect/multi_tap_biquad_filter.h" + +namespace AudioCore::AudioRenderer { + +void MultiTapBiquadFilterCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor& processor, + std::string& string) { + string += fmt::format( + "MultiTapBiquadFilterCommand\n\tinput {:02X}\n\toutput {:02X}\n\tneeds_init ({}, {})\n", + input, output, needs_init[0], needs_init[1]); +} + +void MultiTapBiquadFilterCommand::Process(const ADSP::CommandListProcessor& processor) { + if (filter_tap_count > MaxBiquadFilters) { + LOG_ERROR(Service_Audio, "Too many filter taps! {}", filter_tap_count); + filter_tap_count = MaxBiquadFilters; + } + + auto input_buffer{ + processor.mix_buffers.subspan(input * processor.sample_count, processor.sample_count)}; + auto output_buffer{ + processor.mix_buffers.subspan(output * processor.sample_count, processor.sample_count)}; + + // TODO: Fix this, currently just applies the filter to the input twice, + // and doesn't chain the biquads together at all. + for (u32 i = 0; i < filter_tap_count; i++) { + auto state{reinterpret_cast<VoiceState::BiquadFilterState*>(states[i])}; + if (needs_init[i]) { + std::memset(state, 0, sizeof(VoiceState::BiquadFilterState)); + } + + ApplyBiquadFilterFloat(output_buffer, input_buffer, biquads[i].b, biquads[i].a, *state, + processor.sample_count); + } +} + +bool MultiTapBiquadFilterCommand::Verify(const ADSP::CommandListProcessor& processor) { + return true; +} + +} // namespace AudioCore::AudioRenderer |