Duration from microseconds to seconds using std::chrono

src/Lib/AbstractMediaContext.hh

@@ -101,9 +101,9 @@ public:
 
     qreal getDuration() const noexcept
     {
-        TODO(Use std::chrono here)
-        // The whole file duration, not individual streams.
-        return static_cast<qreal>(dataFormat->duration) / 1000000;
+        return qreal(std::chrono::duration<qreal, std::ratio<1, 1>>(
+                         std::chrono::microseconds(dataFormat->duration))
+                         .count());
     }
 
 protected:
@@ -192,11 +192,12 @@ public:
         return StreamWeakPtr{ spareNullSreamPtr };
     }
 
-    qreal getLength() const noexcept
+    qreal getDuration() const noexcept
     {
-        TODO(Use std::chrono here)
         // The whole file duration, not individual streams.
-        return static_cast<qreal>(format->duration) / 1000000;
+        return qreal(std::chrono::duration<qreal, std::ratio<1, 1>>(
+                         std::chrono::microseconds(format->duration))
+                         .count());
     }
 
     StreamWeakPtr getDefaultStream() const noexcept

src/UI/DocumentViews/TimingAxis.hh

@@ -14,7 +14,7 @@ namespace Vivy
 class TimingAxis final : public QGraphicsItem {
 public:
     explicit TimingAxis(qreal soundLength, int x0, int x1, int y) noexcept;
-    ~TimingAxis() noexcept = default;
+    ~TimingAxis() noexcept override = default;
 
     QRectF boundingRect() const override;
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
@@ -23,13 +23,13 @@ private:
     static inline constexpr QColor axisColour = QColor(0, 0, 127);
 
     QVector<qreal> availableTicks = { 0.01, 0.1, 1, 10, 60, 3600, 86400 };
-    qreal minBetweenMinor         = 5;
+    qreal minBetweenMinor{ 5 };
 
-    qreal penWidth    = { 1 };
-    qreal soundLength = { 0 };
-    int x0            = { 0 };
-    int x1            = { 0 };
-    int y             = { 0 };
+    qreal penWidth{ 1 };
+    qreal soundLength{ 0 };
+    int x0{ 0 };
+    int x1{ 0 };
+    int y{ 0 };
 
 protected:
 };