fix(video): allow not integer framerates

Fix #4866 and #4764

src/persistence/settings.cpp

@@ -1984,13 +1984,13 @@ void Settings::setCamVideoRes(QRect newValue)
     }
 }
 
-unsigned short Settings::getCamVideoFPS() const
+float Settings::getCamVideoFPS() const
 {
     QMutexLocker locker{&bigLock};
     return camVideoFPS;
 }
 
-void Settings::setCamVideoFPS(unsigned short newValue)
+void Settings::setCamVideoFPS(float newValue)
 {
     QMutexLocker locker{&bigLock};
 

src/persistence/settings.h

@@ -117,7 +117,7 @@ class Settings : public QObject, public ICoreSettings, public IAudioSettings, pu
     Q_PROPERTY(QRect camVideoRes READ getCamVideoRes WRITE setCamVideoRes NOTIFY camVideoResChanged FINAL)
     Q_PROPERTY(QRect screenRegion READ getScreenRegion WRITE setScreenRegion NOTIFY screenRegionChanged FINAL)
     Q_PROPERTY(bool screenGrabbed READ getScreenGrabbed WRITE setScreenGrabbed NOTIFY screenGrabbedChanged FINAL)
-    Q_PROPERTY(quint16 camVideoFPS READ getCamVideoFPS WRITE setCamVideoFPS NOTIFY camVideoFPSChanged FINAL)
+    Q_PROPERTY(float camVideoFPS READ getCamVideoFPS WRITE setCamVideoFPS NOTIFY camVideoFPSChanged FINAL)
 
 public:
     enum class StyleType
@@ -394,8 +394,8 @@ public:
     QRect getCamVideoRes() const override;
     void setCamVideoRes(QRect newValue) override;
 
-    unsigned short getCamVideoFPS() const override;
-    void setCamVideoFPS(unsigned short newValue) override;
+    float getCamVideoFPS() const override;
+    void setCamVideoFPS(float newValue) override;
 
     SIGNAL_IMPL(Settings, videoDevChanged, const QString& device)
     SIGNAL_IMPL(Settings, screenRegionChanged, const QRect& region)
@@ -658,7 +658,7 @@ private:
     QRect camVideoRes;
     QRect screenRegion;
     bool screenGrabbed;
-    unsigned short camVideoFPS;
+    float camVideoFPS;
 
     struct friendProp
     {

src/video/cameradevice.cpp

@@ -153,9 +153,11 @@ CameraDevice* CameraDevice::open(QString devName, VideoMode mode)
         return nullptr;
     }
 
-    int FPS = 5;
-    if (mode.FPS) {
+    float FPS = 5;
+    if (mode.FPS > 0.0f) {
         FPS = mode.FPS;
+    } else {
+        qWarning() << "VideoMode could be invalid!";
     }
 
     const std::string videoSize = QStringLiteral("%1x%2").arg(mode.width).arg(mode.height).toStdString();

src/video/ivideosettings.h

@@ -20,8 +20,8 @@ public:
     virtual QRect getCamVideoRes() const = 0;
     virtual void setCamVideoRes(QRect newValue) = 0;
 
-    virtual unsigned short getCamVideoFPS() const = 0;
-    virtual void setCamVideoFPS(unsigned short newValue) = 0;
+    virtual float getCamVideoFPS() const = 0;
+    virtual void setCamVideoFPS(float newValue) = 0;
 
     DECLARE_SIGNAL(videoDevChanged, const QString& device);
     DECLARE_SIGNAL(screenRegionChanged, const QRect& region);

src/video/videomode.cpp

@@ -33,7 +33,7 @@
  * @brief Frames per second supported by the device at this resolution
  */
 
-VideoMode::VideoMode(int width, int height, int x, int y, int FPS, int format)
+VideoMode::VideoMode(int width, int height, int x, int y, float FPS, int format)
     : width(width)
     , height(height)
     , x(x)

src/video/videomode.h

@@ -30,7 +30,7 @@ struct VideoMode
     float FPS;
     uint32_t pixel_format;
 
-    VideoMode(int width = 0, int height = 0, int x = 0, int y = 0, int FPS = 0, int format = 0);
+    VideoMode(int width = 0, int height = 0, int x = 0, int y = 0, float FPS = 0.0f, int format = 0);
 
     explicit VideoMode(QRect rect);