* Moved movement detection to Abstract Scope widget

[kdenlive] / src / audioscopes / audiospectrum.h

diff --git a/src/audioscopes/audiospectrum.h b/src/audioscopes/audiospectrum.h
index 51f6e62cee29a3a3fd5ff4e7453a27a24e41bd1f..b159f682993a08164e19b3907a90794d27abc396 100644 (file)
--- a/src/audioscopes/audiospectrum.h
+++ b/src/audioscopes/audiospectrum.h
@@ -1,29 +1,48 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Simon Andreas Eugster (simon.eu@gmail.com)      *
+ *   This file is part of kdenlive. See www.kdenlive.org.                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ ***************************************************************************/
+
+/**
+   Displays a spectral power distribution of audio samples.
+   The frequency distribution is calculated by means of a Fast Fourier Transformation.
+   For more information see Wikipedia:FFT and the code comments.
+*/
+
 #ifndef AUDIOSPECTRUM_H
 #define AUDIOSPECTRUM_H
 
 #include <QtCore>
+#include <QVector>
+#include <QHash>
 
 #include "abstractaudioscopewidget.h"
 #include "ui_audiospectrum_ui.h"
 #include "tools/kiss_fftr.h"
+#include "ffttools.h"
 
 class AudioSpectrum_UI;
-
 class AudioSpectrum : public AbstractAudioScopeWidget {
     Q_OBJECT
 
 public:
-    AudioSpectrum(Monitor *projMonitor, Monitor *clipMonitor, QWidget *parent = 0);
+    AudioSpectrum(QWidget *parent = 0);
     ~AudioSpectrum();
 
     // Implemented virtual methods
     QString widgetName() const;
 
+
 protected:
     ///// Implemented methods /////
     QRect scopeRect();
     QImage renderHUD(uint accelerationFactor);
-    QImage renderScope(uint accelerationFactor, const QVector<int16_t> audioFrame, const int freq, const int num_channels, const int num_samples);
+    QImage renderAudioScope(uint accelerationFactor, const QVector<int16_t> audioFrame, const int freq, const int num_channels, const int num_samples);
     QImage renderBackground(uint accelerationFactor);
     bool isHUDDependingOnInput() const;
     bool isScopeDependingOnInput() const;
@@ -31,25 +50,33 @@ protected:
     virtual void readConfig();
     void writeConfig();
 
+    virtual void handleMouseDrag(const QPoint movement, const RescaleDirection rescaleDirection, const Qt::KeyboardModifiers rescaleModifiers);
+
 private:
     Ui::AudioSpectrum_UI *ui;
-    kiss_fftr_cfg m_cfg;
 
-    QAction *m_aLin;
-    QAction *m_aLog;
-    QActionGroup *m_agScale;
+    QAction *m_aResetHz;
+
+    FFTTools m_fftTools;
 
-    QSize m_distance;
+    /** Contains the plot only; m_scopeRect contains text and widgets as well */
+    QRect m_innerScopeRect;
 
     /** Lower bound for the dB value to display */
     int m_dBmin;
     /** Upper bound (max: 0) */
     int m_dBmax;
 
+    /** Maximum frequency (limited by the sampling rate if determined automatically).
+        Stored for the painters. */
     uint m_freqMax;
+    /** The user has chosen a custom frequency. */
+    bool m_customFreq;
+
+
 
 private slots:
-    void slotUpdateCfg();
+    void slotResetMaxFreq();
 
 };