Const'ify. Use QLatin1String

[kdenlive] / src / scopes / audioscopes / audiosignal.h

diff --git a/src/scopes/audioscopes/audiosignal.h b/src/scopes/audioscopes/audiosignal.h
index dd683850408be2aef2120efc3a37620c6c53c452..d555cc5714da548743172b186af8f8c00ae426e7 100644 (file)
--- a/src/scopes/audioscopes/audiosignal.h
+++ b/src/scopes/audioscopes/audiosignal.h
@@ -26,7 +26,6 @@
 #include <QList>
 #include <QColor>
 #include <QTimer>
-class QLabel;
 
 #include  <QWidget>
 
@@ -36,7 +35,7 @@ class AudioSignal : public AbstractAudioScopeWidget
 {
     Q_OBJECT
 public:
-    AudioSignal(QWidget *parent = 0);
+    explicit AudioSignal(QWidget *parent = 0);
     ~AudioSignal();
     /** @brief Used for checking whether audio data needs to be delivered */
     bool monitoringEnabled() const;
@@ -44,7 +43,7 @@ public:
     QRect scopeRect();
     QImage renderHUD(uint accelerationFactor);
     QImage renderBackground(uint accelerationFactor);
-    QImage renderAudioScope(uint accelerationFactor, const QVector<int16_t> audioFrame, const int, const int num_channels, const int samples, const int);
+    QImage renderAudioScope(uint accelerationFactor, const QVector<int16_t> &audioFrame, const int, const int num_channels, const int samples, const int);
 
     QString widgetName() const { return "audioSignal"; }
     bool isHUDDependingOnInput() const { return false; }