Allow setting the video streaming aspect ratio.

src/FlightDisplay/FlightDisplayViewVideo.qml

@@ -23,35 +23,31 @@ import QGroundControl.Controllers   1.0
 
 Item {
     id: root
+    property double _ar: QGroundControl.settingsManager.videoSettings.aspectRatio.rawValue
     Rectangle {
         id:             noVideo
         anchors.fill:   parent
         color:          Qt.rgba(0,0,0,0.75)
         visible:        !QGroundControl.videoManager.videoRunning
         QGCLabel {
-            text:               qsTr("NO VIDEO")
+            text:               qsTr("WAITING FOR VIDEO")
             font.family:        ScreenTools.demiboldFontFamily
             color:              "white"
             font.pointSize:     _mainIsMap ? ScreenTools.smallFontPointSize : ScreenTools.largeFontPointSize
             anchors.centerIn:   parent
         }
     }
-    QGCVideoBackground {
+    Rectangle {
         anchors.fill:   parent
-        display:        QGroundControl.videoManager.videoSurface
-        receiver:       QGroundControl.videoManager.videoReceiver
+        color:          "black"
         visible:        QGroundControl.videoManager.videoRunning
-        /* TODO: Come up with a way to make this an option
-        QGCAttitudeHUD {
-            id:                 attitudeHUD
-            visible:            !_mainIsMap
-            rollAngle:          _activeVehicle ? _activeVehicle.roll.value  : 0
-            pitchAngle:         _activeVehicle ? _activeVehicle.pitch.value : 0
-            width:              ScreenTools.defaultFontPixelHeight * (30)
-            height:             ScreenTools.defaultFontPixelHeight * (30)
-            active:             QGroundControl.multiVehicleManager.activeVehicleAvailable
-            z:                  QGroundControl.zOrderWidgets
+        QGCVideoBackground {
+            height:         parent.height
+            width:          _ar != 0.0 ? height * _ar : parent.width
+            anchors.centerIn: parent
+            display:        QGroundControl.videoManager.videoSurface
+            receiver:       QGroundControl.videoManager.videoReceiver
+            visible:        QGroundControl.videoManager.videoRunning
         }
-        */
     }
 }

src/Settings/Video.SettingsGroup.json

@@ -27,5 +27,13 @@
     "longDescription":  "Directory to save videos to.",
     "type":             "string",
     "defaultValue":     ""
+},
+{
+    "name":             "VideoAspectRatio",
+    "shortDescription": "Video Aspect Ratio",
+    "longDescription":  "Video Aspect Ratio (width / height). Use 0.0 to ignore it.",
+    "type":             "float",
+    "decimalPlaces":    6,
+    "defaultValue":     1.777777
 }
 ]

src/Settings/VideoSettings.cc

@@ -19,10 +19,11 @@
 
 const char* VideoSettings::videoSettingsGroupName = "Video";
 
-const char* VideoSettings::videoSourceName =    "VideoSource";
-const char* VideoSettings::udpPortName =        "VideoUDPPort";
-const char* VideoSettings::rtspUrlName =        "VideoRTSPUrl";
-const char* VideoSettings::videoSavePathName =  "VideoSavePath";
+const char* VideoSettings::videoSourceName =        "VideoSource";
+const char* VideoSettings::udpPortName =            "VideoUDPPort";
+const char* VideoSettings::rtspUrlName =            "VideoRTSPUrl";
+const char* VideoSettings::videoSavePathName =      "VideoSavePath";
+const char* VideoSettings::videoAspectRatioName =   "VideoAspectRatio";
 
 const char* VideoSettings::videoSourceNoVideo = "No Video Available";
 const char* VideoSettings::videoSourceUDP =     "UDP Video Stream";
@@ -34,6 +35,7 @@ VideoSettings::VideoSettings(QObject* parent)
     , _udpPortFact(NULL)
     , _rtspUrlFact(NULL)
     , _videoSavePathFact(NULL)
+    , _videoAspectRatioFact(NULL)
 {
     QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
     qmlRegisterUncreatableType<VideoSettings>("QGroundControl.SettingsManager", 1, 0, "VideoSettings", "Reference only");
@@ -104,3 +106,12 @@ Fact* VideoSettings::videoSavePath(void)
 
     return _videoSavePathFact;
 }
+
+Fact* VideoSettings::aspectRatio(void)
+{
+    if (!_videoAspectRatioFact) {
+        _videoAspectRatioFact = _createSettingsFact(videoAspectRatioName);
+    }
+
+    return _videoAspectRatioFact;
+}

src/Settings/VideoSettings.h

@@ -15,7 +15,7 @@
 class VideoSettings : public SettingsGroup
 {
     Q_OBJECT
-    
+
 public:
     VideoSettings(QObject* parent = NULL);
 
@@ -23,11 +23,13 @@ public:
     Q_PROPERTY(Fact* udpPort        READ udpPort        CONSTANT)
     Q_PROPERTY(Fact* rtspUrl        READ rtspUrl        CONSTANT)
     Q_PROPERTY(Fact* videoSavePath  READ videoSavePath  CONSTANT)
+    Q_PROPERTY(Fact* aspectRatio    READ aspectRatio    CONSTANT)
 
     Fact* videoSource   (void);
     Fact* udpPort       (void);
     Fact* rtspUrl       (void);
     Fact* videoSavePath (void);
+    Fact* aspectRatio   (void);
 
     static const char* videoSettingsGroupName;
 
@@ -35,6 +37,7 @@ public:
     static const char* udpPortName;
     static const char* rtspUrlName;
     static const char* videoSavePathName;
+    static const char* videoAspectRatioName;
 
     static const char* videoSourceNoVideo;
     static const char* videoSourceUDP;
@@ -45,6 +48,7 @@ private:
     SettingsFact* _udpPortFact;
     SettingsFact* _rtspUrlFact;
     SettingsFact* _videoSavePathFact;
+    SettingsFact* _videoAspectRatioFact;
 };
 
 #endif

src/ui/preferences/GeneralSettings.qml

@@ -503,6 +503,20 @@ QGCView {
                                 fact:               QGroundControl.settingsManager.videoSettings.rtspUrl
                             }
                         }
+                        Row {
+                            spacing:    ScreenTools.defaultFontPixelWidth
+                            visible:    QGroundControl.videoManager.isGStreamer && QGroundControl.videoManager.isGStreamer && videoSource.currentIndex < 2
+                            QGCLabel {
+                                anchors.baseline:   aspectField.baseline
+                                text:               qsTr("Aspect Ratio:")
+                                width:              _labelWidth
+                            }
+                            FactTextField {
+                                id:                 aspectField
+                                width:              _editFieldWidth
+                                fact:               QGroundControl.settingsManager.videoSettings.aspectRatio
+                            }
+                        }
                         Row {
                             spacing:    ScreenTools.defaultFontPixelWidth
                             visible:    QGroundControl.settingsManager.videoSettings.videoSavePath.visible && QGroundControl.videoManager.isGStreamer && QGroundControl.videoManager.recordingEnabled