File indexing completed on 2024-04-21 04:51:04

 /*
     SPDX-FileCopyrightText: 2019 Jean-Baptiste Mardelle
     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #pragma once
 
 #include "definitions.h"
 #include <memory>
 #include <unordered_map>
 
 #include <QSlider>
 #include <QWidget>
 
 namespace Mlt {
 class Tractor;
 }
 
 class MixerWidget;
 class QHBoxLayout;
 class TimelineItemModel;
 class QScrollArea;
 
 /** MySlider class is only here to get the slider handle size used when painting the audio level scale */
 class MySlider : public QSlider
 {
 public:
     explicit MySlider(QWidget *parent = nullptr);
     int getHandleHeight();
 };
 
 class MixerManager : public QWidget
 {
     Q_OBJECT
 
 public:
     MixerManager(QWidget *parent);
     /** @brief Shows the parameters of the given transition model */
     void registerTrack(int tid, Mlt::Tractor *service, const QString &trackTag, const QString &trackName);
     void deregisterTrack(int tid);
     void setModel(std::shared_ptr<TimelineItemModel> model);
     void cleanup();
     /** @brief Connect the mixer widgets to the correspondent filters */
     void connectMixer(bool doConnect);
     void collapseMixers();
     /** @brief Pause/unpause audio monitoring */
     void pauseMonitoring(bool pause);
     /** @brief Release the timeline model ownership */
     void unsetModel();
     /** @brief Some features rely on a specific version of MLT's audiolevel filter, so check it */
     void checkAudioLevelVersion();
     /** @brief Enable/disable audio monitoring on a track */
     void monitorAudio(int tid, bool monitor);
     /** @brief Track currently monitored that will be used for recording */
     int recordTrack() const;
     /** @brief Return true if we have MLT's audiolevel filter version 2 or above (fixes reading track audio level) */
     bool audioLevelV2() const;
 
 public Q_SLOTS:
     void recordStateChanged(int tid, bool recording);
 
 private Q_SLOTS:
     void resetSizePolicy();
 
 Q_SIGNALS:
     void updateLevels(int);
     void purgeCache();
     void clearMixers();
     void updateRecVolume();
     void showEffectStack(int tid);
 
 protected:
     std::unordered_map<int, std::shared_ptr<MixerWidget>> m_mixers;
     std::shared_ptr<MixerWidget> m_masterMixer;
     QSize sizeHint() const override;
 
 private:
     std::shared_ptr<Mlt::Tractor> m_masterService;
     std::shared_ptr<TimelineItemModel> m_model;
     QHBoxLayout *m_box;
     QHBoxLayout *m_masterBox;
     QHBoxLayout *m_channelsLayout;
     QScrollArea *m_channelsBox;
     bool m_visibleMixerManager;
     int m_expandedWidth;
     QVector<int> m_soloMuted;
     int m_recommendedWidth;
     int m_monitorTrack;
     bool m_filterIsV2;
     int m_sliderHandle;
 };