diff options
Diffstat (limited to 'examples/multimediawidgets/player/histogramwidget.h')
-rw-r--r-- | examples/multimediawidgets/player/histogramwidget.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/examples/multimediawidgets/player/histogramwidget.h b/examples/multimediawidgets/player/histogramwidget.h index a85dd27e1..b55ab265f 100644 --- a/examples/multimediawidgets/player/histogramwidget.h +++ b/examples/multimediawidgets/player/histogramwidget.h @@ -56,7 +56,7 @@ public slots: void processFrame(QVideoFrame frame, int levels); signals: - void histogramReady(QVector<qreal> histogram); + void histogramReady(const QVector<qreal> &histogram); }; class HistogramWidget : public QWidget @@ -64,25 +64,25 @@ class HistogramWidget : public QWidget Q_OBJECT public: - explicit HistogramWidget(QWidget *parent = 0); + explicit HistogramWidget(QWidget *parent = nullptr); ~HistogramWidget(); void setLevels(int levels) { m_levels = levels; } public slots: - void processFrame(QVideoFrame frame); - void processBuffer(QAudioBuffer buffer); - void setHistogram(QVector<qreal> histogram); + void processFrame(const QVideoFrame &frame); + void processBuffer(const QAudioBuffer &buffer); + void setHistogram(const QVector<qreal> &histogram); protected: void paintEvent(QPaintEvent *event) override; private: QVector<qreal> m_histogram; - int m_levels; + int m_levels = 128; FrameProcessor m_processor; QThread m_processorThread; - bool m_isBusy; - QVector<QAudioLevel *> audioLevels; + bool m_isBusy = false; + QVector<QAudioLevel *> m_audioLevels; }; #endif // HISTOGRAMWIDGET_H |