a749b16674
LibDSP is a library for digital signal processing, and is primarily intended to support the future DAW version of Piano.
73 lines
2 KiB
C++
73 lines
2 KiB
C++
/*
|
|
* Copyright (c) 2021, kleines Filmröllchen <malu.bertsch@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "Clip.h"
|
|
#include "Music.h"
|
|
#include "Processor.h"
|
|
#include <LibCore/Object.h>
|
|
|
|
namespace LibDSP {
|
|
|
|
// A track is also known as a channel and serves as a container for the audio pipeline: clips -> processors -> mixing & output
|
|
class Track : public Core::Object {
|
|
C_OBJECT_ABSTRACT(Track)
|
|
public:
|
|
Track(NonnullRefPtr<Transport> transport)
|
|
: m_transport(move(transport))
|
|
{
|
|
}
|
|
virtual ~Track() override = default;
|
|
|
|
virtual bool check_processor_chain_valid() const = 0;
|
|
bool add_processor(NonnullRefPtr<Processor> new_processor);
|
|
|
|
// Creates the current signal of the track by processing current note or audio data through the processing chain
|
|
Sample current_signal();
|
|
|
|
NonnullRefPtrVector<Processor> const& processor_chain() const { return m_processor_chain; }
|
|
NonnullRefPtr<Transport> const transport() const { return m_transport; }
|
|
|
|
protected:
|
|
bool check_processor_chain_valid_with_initial_type(SignalType initial_type) const;
|
|
|
|
// Subclasses override to provide the base signal to the processing chain
|
|
virtual Signal current_clips_signal() = 0;
|
|
|
|
NonnullRefPtrVector<Processor> m_processor_chain;
|
|
NonnullRefPtr<Transport> const m_transport;
|
|
};
|
|
|
|
class NoteTrack final : public Track {
|
|
public:
|
|
virtual ~NoteTrack() override = default;
|
|
|
|
bool check_processor_chain_valid() const override;
|
|
NonnullRefPtrVector<NoteClip> const& clips() const { return m_clips; }
|
|
|
|
protected:
|
|
virtual Signal current_clips_signal() override;
|
|
|
|
private:
|
|
NonnullRefPtrVector<NoteClip> m_clips;
|
|
};
|
|
|
|
class AudioTrack final : public Track {
|
|
public:
|
|
virtual ~AudioTrack() override = default;
|
|
|
|
bool check_processor_chain_valid() const override;
|
|
NonnullRefPtrVector<AudioClip> const& clips() const { return m_clips; }
|
|
|
|
protected:
|
|
virtual Signal current_clips_signal() override;
|
|
|
|
private:
|
|
NonnullRefPtrVector<AudioClip> m_clips;
|
|
};
|
|
|
|
}
|