Using clang-tidy's `readability-braces-around-statements`. https://clang.llvm.org/extra/clang-tidy/checks/readability-braces-around-statements.html
171 lines
6.1 KiB
C++
171 lines
6.1 KiB
C++
/*************************************************************************/
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/* audio_effect_filter.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "audio_effect_filter.h"
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#include "servers/audio_server.h"
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template <int S>
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void AudioEffectFilterInstance::_process_filter(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) {
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for (int i = 0; i < p_frame_count; i++) {
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float f = p_src_frames[i].l;
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filter_process[0][0].process_one(f);
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if (S > 1) {
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filter_process[0][1].process_one(f);
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}
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if (S > 2) {
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filter_process[0][2].process_one(f);
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}
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if (S > 3) {
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filter_process[0][3].process_one(f);
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}
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p_dst_frames[i].l = f;
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}
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for (int i = 0; i < p_frame_count; i++) {
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float f = p_src_frames[i].r;
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filter_process[1][0].process_one(f);
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if (S > 1) {
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filter_process[1][1].process_one(f);
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}
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if (S > 2) {
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filter_process[1][2].process_one(f);
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}
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if (S > 3) {
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filter_process[1][3].process_one(f);
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}
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p_dst_frames[i].r = f;
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}
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}
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void AudioEffectFilterInstance::process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) {
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filter.set_cutoff(base->cutoff);
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filter.set_gain(base->gain);
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filter.set_resonance(base->resonance);
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filter.set_mode(base->mode);
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int stages = int(base->db) + 1;
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filter.set_stages(stages);
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filter.set_sampling_rate(AudioServer::get_singleton()->get_mix_rate());
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for (int i = 0; i < 2; i++) {
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for (int j = 0; j < 4; j++) {
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filter_process[i][j].update_coeffs();
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}
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}
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if (stages == 1) {
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_process_filter<1>(p_src_frames, p_dst_frames, p_frame_count);
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} else if (stages == 2) {
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_process_filter<2>(p_src_frames, p_dst_frames, p_frame_count);
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} else if (stages == 3) {
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_process_filter<3>(p_src_frames, p_dst_frames, p_frame_count);
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} else if (stages == 4) {
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_process_filter<4>(p_src_frames, p_dst_frames, p_frame_count);
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}
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}
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AudioEffectFilterInstance::AudioEffectFilterInstance() {
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for (int i = 0; i < 2; i++) {
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for (int j = 0; j < 4; j++) {
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filter_process[i][j].set_filter(&filter);
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}
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}
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}
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Ref<AudioEffectInstance> AudioEffectFilter::instance() {
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Ref<AudioEffectFilterInstance> ins;
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ins.instance();
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ins->base = Ref<AudioEffectFilter>(this);
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return ins;
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}
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void AudioEffectFilter::set_cutoff(float p_freq) {
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cutoff = p_freq;
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}
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float AudioEffectFilter::get_cutoff() const {
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return cutoff;
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}
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void AudioEffectFilter::set_resonance(float p_amount) {
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resonance = p_amount;
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}
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float AudioEffectFilter::get_resonance() const {
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return resonance;
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}
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void AudioEffectFilter::set_gain(float p_amount) {
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gain = p_amount;
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}
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float AudioEffectFilter::get_gain() const {
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return gain;
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}
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void AudioEffectFilter::set_db(FilterDB p_db) {
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db = p_db;
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}
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AudioEffectFilter::FilterDB AudioEffectFilter::get_db() const {
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return db;
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}
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void AudioEffectFilter::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_cutoff", "freq"), &AudioEffectFilter::set_cutoff);
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ClassDB::bind_method(D_METHOD("get_cutoff"), &AudioEffectFilter::get_cutoff);
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ClassDB::bind_method(D_METHOD("set_resonance", "amount"), &AudioEffectFilter::set_resonance);
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ClassDB::bind_method(D_METHOD("get_resonance"), &AudioEffectFilter::get_resonance);
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ClassDB::bind_method(D_METHOD("set_gain", "amount"), &AudioEffectFilter::set_gain);
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ClassDB::bind_method(D_METHOD("get_gain"), &AudioEffectFilter::get_gain);
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ClassDB::bind_method(D_METHOD("set_db", "amount"), &AudioEffectFilter::set_db);
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ClassDB::bind_method(D_METHOD("get_db"), &AudioEffectFilter::get_db);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "cutoff_hz", PROPERTY_HINT_RANGE, "1,20500,1"), "set_cutoff", "get_cutoff");
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "resonance", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_resonance", "get_resonance");
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "gain", PROPERTY_HINT_RANGE, "0,4,0.01"), "set_gain", "get_gain");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "db", PROPERTY_HINT_ENUM, "6 dB,12 dB,18 dB,24 dB"), "set_db", "get_db");
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BIND_ENUM_CONSTANT(FILTER_6DB);
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BIND_ENUM_CONSTANT(FILTER_12DB);
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BIND_ENUM_CONSTANT(FILTER_18DB);
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BIND_ENUM_CONSTANT(FILTER_24DB);
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}
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AudioEffectFilter::AudioEffectFilter(AudioFilterSW::Mode p_mode) {
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mode = p_mode;
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cutoff = 2000;
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resonance = 0.5;
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gain = 1.0;
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db = FILTER_6DB;
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}
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