ladybird/Userland/Libraries/LibDSP/Clip.h
kleines Filmröllchen f23aea0c4b LibDSP: Make the note frequencies an AK::Array instead of a C array
This was a leftover from the early days of Piano, and there's no reason
to leave it that way especially if we want to use more complex
collection APIs in the future.
2022-05-13 00:47:26 +02:00

56 lines
1.2 KiB
C++

/*
* Copyright (c) 2021-2022, kleines Filmröllchen <filmroellchen@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <AK/SinglyLinkedList.h>
#include <AK/Types.h>
#include <LibDSP/Music.h>
namespace LibDSP {
// 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:
virtual ~Clip() = default;
u32 start() const { return m_start; }
u32 length() const { return m_length; }
u32 end() const { return m_start + m_length; }
protected:
Clip(u32 start, u32 length)
: m_start(start)
, m_length(length)
{
}
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:
void set_note(RollNote note);
Array<SinglyLinkedList<RollNote>, note_frequencies.size()> const& notes() const { return m_notes; }
private:
Array<SinglyLinkedList<RollNote>, note_frequencies.size()> m_notes;
};
}