use audio waveform constants to determine min/max zoom levels

app/widget/timebased/timescaledobject.cpp

@@ -23,19 +23,17 @@
 #include <cfloat>
 #include <QtMath>
 
+#include "audio/audiovisualwaveform.h"
 #include "common/clamp.h"
 
 namespace olive {
 
-// Keep this aligned with the kMaximumSampleRate in AudioVisualWaveform
-const double TimeScaledObject::kMaximumScale = 1024;
-
 const int TimeScaledObject::kCalculateDimensionsPadding = 10;
 
 TimeScaledObject::TimeScaledObject() :
   scale_(1.0),
   min_scale_(0),
-  max_scale_(kMaximumScale)
+  max_scale_(AudioVisualWaveform::kMaximumSampleRate.toDouble())
 {
 }
 

app/widget/timebased/timescaledobject.h

@@ -44,6 +44,7 @@ public:
   static rational SceneToTime(const double &x, const double& x_scale, const rational& timebase, bool round = false);
 
   const double& GetScale() const;
+  const double &GetMaximumScale() const { return max_scale_; }
 
   void SetScale(const double& scale);
 
@@ -54,8 +55,6 @@ public:
   double TimeToScene(const rational& time) const;
   rational SceneToTime(const double &x, bool round = false) const;
 
-  static const double kMaximumScale;
-
 protected:
   virtual void TimebaseChangedEvent(const rational&){}