From 458da8a94877677f086f06cdeecf959ec4283a33 Mon Sep 17 00:00:00 2001 From: Kelebek1 Date: Sat, 16 Jul 2022 23:48:45 +0100 Subject: Project Andio --- .../command/effect/multi_tap_biquad_filter.cpp | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 src/audio_core/renderer/command/effect/multi_tap_biquad_filter.cpp (limited to 'src/audio_core/renderer/command/effect/multi_tap_biquad_filter.cpp') 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(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 -- cgit v1.2.3