control_room.h

// SPDX-FileCopyrightText: © 2019-2021, 2024-2026 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include <span>
 
#include "dsp/fader.h"
#include "dsp/metronome.h"
#include "structure/tracks/track_fwd.h"
#include "utils/object_registry.h"
 
namespace zrythm::engine::session
{

class ControlRoom : public QObject
{
  Q_OBJECT
  Q_PROPERTY (
    bool dimOutput READ dimOutput WRITE setDimOutput NOTIFY dimOutputChanged)
  Q_PROPERTY (
    zrythm::dsp::ProcessorParameter * muteVolume READ muteVolume CONSTANT)
  Q_PROPERTY (
    zrythm::dsp::ProcessorParameter * listenVolume READ listenVolume CONSTANT)
  Q_PROPERTY (
    zrythm::dsp::ProcessorParameter * dimVolume READ dimVolume CONSTANT)
  Q_PROPERTY (zrythm::dsp::Fader * monitorFader READ monitorFader CONSTANT)
  Q_PROPERTY (zrythm::dsp::Metronome * metronome READ metronome CONSTANT FINAL)
  QML_ELEMENT
  QML_UNCREATABLE ("")
 
public:
  using RealtimeTracks = std::span<structure::tracks::Track * const>;
  using RealtimeTracksProvider = std::function<RealtimeTracks ()>;
 
  ControlRoom (
    RealtimeTracksProvider rt_tracks_provider,
    QObject *              parent = nullptr);
 
  // ========================================================================
  // QML Interface
  // ========================================================================
 
  bool dimOutput () const { return dim_output_.load (); }
  void setDimOutput (bool dim)
  {
    bool expected = !dim;
    if (dim_output_.compare_exchange_strong (expected, dim))
      {
        Q_EMIT dimOutputChanged (dim);
      }
  }
  Q_SIGNAL void dimOutputChanged (bool dim);
 
  dsp::ProcessorParameter * muteVolume () const { return mute_volume_.get (); }
  dsp::ProcessorParameter * listenVolume () const
  {
    return listen_volume_.get ();
  }
  dsp::ProcessorParameter * dimVolume () const { return dim_volume_.get (); }
  auto * monitorFader () const { return monitor_fader_.get (); }
  auto * metronome () const { return metronome_.get (); }
 
  // ========================================================================
 
private:
  utils::ObjectRegistry registry_;

  utils::QObjectUniquePtr<dsp::ProcessorParameter> mute_volume_;

  utils::QObjectUniquePtr<dsp::ProcessorParameter> listen_volume_;

  utils::QObjectUniquePtr<dsp::ProcessorParameter> dim_volume_;

  std::atomic_bool dim_output_ = false;

  utils::QObjectUniquePtr<dsp::Fader> monitor_fader_;

  utils::QObjectUniquePtr<dsp::Metronome> metronome_;
 
  RealtimeTracksProvider rt_tracks_provider_;
};
 
}