mirror of
https://github.com/RGBCube/serenity
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104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2019-2020, William McPherson <willmcpherson2@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Music.h"
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#include <AK/Noncopyable.h>
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#include <AK/SinglyLinkedList.h>
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#include <LibAudio/Buffer.h>
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typedef AK::SinglyLinkedListIterator<SinglyLinkedList<RollNote>, RollNote> RollIter;
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class Track {
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AK_MAKE_NONCOPYABLE(Track);
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AK_MAKE_NONMOVABLE(Track);
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public:
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explicit Track(const u32& time);
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~Track();
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const Vector<Audio::Sample>& recorded_sample() const { return m_recorded_sample; }
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const SinglyLinkedList<RollNote>& roll_notes(int note) const { return m_roll_notes[note]; }
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int wave() const { return m_wave; }
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int attack() const { return m_attack; }
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int decay() const { return m_decay; }
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int sustain() const { return m_sustain; }
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int release() const { return m_release; }
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int delay() const { return m_delay; }
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void fill_sample(Sample& sample);
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void reset();
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String set_recorded_sample(const StringView& path);
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void set_note(int note, Switch);
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void set_roll_note(int note, u32 on_sample, u32 off_sample);
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void set_wave(int wave);
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void set_wave(Direction);
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void set_attack(int attack);
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void set_decay(int decay);
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void set_sustain(int sustain);
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void set_release(int release);
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void set_delay(int delay);
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private:
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Audio::Sample sine(size_t note);
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Audio::Sample saw(size_t note);
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Audio::Sample square(size_t note);
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Audio::Sample triangle(size_t note);
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Audio::Sample noise() const;
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Audio::Sample recorded_sample(size_t note);
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void sync_roll(int note);
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void set_sustain_impl(int sustain);
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Vector<Sample> m_delay_buffer;
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Vector<Audio::Sample> m_recorded_sample;
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u8 m_note_on[note_count] { 0 };
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double m_power[note_count] { 0 };
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double m_pos[note_count]; // Initialized lazily.
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Envelope m_envelope[note_count] { Done };
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int m_wave { first_wave };
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int m_attack;
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double m_attack_step;
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int m_decay;
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double m_decay_step;
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int m_sustain;
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double m_sustain_level;
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int m_release;
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double m_release_step[note_count];
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int m_delay { 0 };
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size_t m_delay_samples { 0 };
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size_t m_delay_index { 0 };
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const u32& m_time;
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SinglyLinkedList<RollNote> m_roll_notes[note_count];
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RollIter m_roll_iters[note_count];
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};
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