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/*
* Copyright (c) 2021-2022, kleines Filmröllchen <filmroellchen@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Forward.h>
#include <AK/RefCounted.h>
#include <AK/SinglyLinkedList.h>
#include <AK/Types.h>
#include <LibDSP/Music.h>
namespace DSP {
// A clip is a self-contained snippet of notes or audio that can freely move inside and in between tracks.
class Clip : public RefCounted<Clip> {
public:
Clip(u32 start, u32 length)
: m_start(start)
, m_length(length)
{
}
virtual ~Clip() = default;
u32 start() const { return m_start; }
u32 length() const { return m_length; }
u32 end() const { return m_start + m_length; }
protected:
u32 m_start;
u32 m_length;
};
class AudioClip final : public Clip {
public:
Sample sample_at(u32 time);
Vector<Sample> const& samples() const { return m_samples; }
private:
Vector<Sample> m_samples;
};
class NoteClip final : public Clip {
public:
NoteClip(u32 start, u32 length)
: Clip(start, length)
{
}
Optional<RollNote> note_at(u32 time, u8 pitch) const;
void set_note(RollNote note);
// May do nothing; that's fine.
void remove_note(RollNote note);
ReadonlySpan<RollNote> notes() const { return m_notes.span(); }
RollNote operator[](size_t index) const { return m_notes[index]; }
RollNote operator[](size_t index) { return m_notes[index]; }
bool is_empty() const { return m_notes.is_empty(); }
private:
// FIXME: Better datastructures to think about here: B-Trees or good ol' RBTrees (not very cache friendly)
Vector<RollNote> m_notes;
};
}
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