File indexing completed on 2024-04-28 04:52:21 

0001 /*
0002     SPDX-FileCopyrightText: 2010 Marco Gittler <g.marco@freenet.de>
0003 
0004 SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0005 */
0006 
0007 #pragma once
0008 
0009 #include "abstractaudioscopewidget.h"
0010 
0011 #include <QByteArray>
0012 #include <QList>
0013 #include <QTimer>
0014 
0015 #include <QWidget>
0016 
0017 #include <cstdint>
0018 
0019 class AudioSignal : public AbstractAudioScopeWidget
0020 {
0021     Q_OBJECT
0022 public:
0023     explicit AudioSignal(QWidget *parent = nullptr);
0024     ~AudioSignal() override;
0025     /** @brief Used for checking whether audio data needs to be delivered */
0026     bool monitoringEnabled() const;
0027 
0028     QRect scopeRect() override;
0029     QImage renderHUD(uint accelerationFactor) override;
0030     QImage renderBackground(uint accelerationFactor) override;
0031     QImage renderAudioScope(uint accelerationFactor, const audioShortVector &audioFrame, const int, const int num_channels, const int samples,
0032                             const int) override;
0033 
0034     QString widgetName() const override { return QStringLiteral("audioSignal"); }
0035     bool isHUDDependingOnInput() const override { return false; }
0036     bool isScopeDependingOnInput() const override { return true; }
0037     bool isBackgroundDependingOnInput() const override { return false; }
0038 
0039 private:
0040     double valueToPixel(double in);
0041     QTimer m_timer;
0042     QByteArray m_channels, m_peeks, m_peekage;
0043     QList<int> m_dbscale;
0044 
0045 public Q_SLOTS:
0046     void showAudio(const QByteArray &);
0047     void slotReceiveAudio(audioShortVector audioSamples, int, int num_channels, int samples);
0048 private Q_SLOTS:
0049     void slotNoAudioTimeout();
0050 
0051 Q_SIGNALS:
0052     void updateAudioMonitoring();
0053 };