Allow setting a path and filename for the recorded video (optional)

src/VideoStreaming/VideoReceiver.cc

@@ -609,7 +609,7 @@ VideoReceiver::_cleanupOldVideos()
 //                                        |                                      |
 //                                        +--------------------------------------+
 void
-VideoReceiver::startRecording(void)
+VideoReceiver::startRecording(const QString &videoFile)
 {
 #if defined(QGC_GST_STREAMING)
 
@@ -620,12 +620,6 @@ VideoReceiver::startRecording(void)
         return;
     }
 
-    QString savePath = qgcApp()->toolbox()->settingsManager()->appSettings()->videoSavePath();
-    if(savePath.isEmpty()) {
-        qgcApp()->showMessage(tr("Unabled to record video. Video save path must be specified in Settings."));
-        return;
-    }
-
     uint32_t muxIdx = _videoSettings->recordingFormat()->rawValue().toUInt();
     if(muxIdx >= NUM_MUXES) {
         qgcApp()->showMessage(tr("Invalid video format defined."));
@@ -648,11 +642,20 @@ VideoReceiver::startRecording(void)
         return;
     }
 
-    QString videoFile;
-    videoFile = savePath + "/" + QDateTime::currentDateTime().toString("yyyy-MM-dd_hh.mm.ss") + "." + kVideoExtensions[muxIdx];
+    if(videoFile.isEmpty()) {
+        QString savePath = qgcApp()->toolbox()->settingsManager()->appSettings()->videoSavePath();
+        if(savePath.isEmpty()) {
+            qgcApp()->showMessage(tr("Unabled to record video. Video save path must be specified in Settings."));
+            return;
+        }
+        _videoFile = savePath + "/" + QDateTime::currentDateTime().toString("yyyy-MM-dd_hh.mm.ss") + "." + kVideoExtensions[muxIdx];
+    } else {
+        _videoFile = videoFile;
+    }
+    emit videoFileChanged();
 
-    g_object_set(G_OBJECT(_sink->filesink), "location", qPrintable(videoFile), NULL);
-    qCDebug(VideoReceiverLog) << "New video file:" << videoFile;
+    g_object_set(G_OBJECT(_sink->filesink), "location", qPrintable(_videoFile), NULL);
+    qCDebug(VideoReceiverLog) << "New video file:" << _videoFile;
 
     gst_object_ref(_sink->queue);
     gst_object_ref(_sink->parse);

src/VideoStreaming/VideoReceiver.h

@@ -42,6 +42,7 @@ public:
     Q_PROPERTY(VideoSurface*    videoSurface        READ    videoSurface        CONSTANT)
     Q_PROPERTY(bool             videoRunning        READ    videoRunning        NOTIFY  videoRunningChanged)
     Q_PROPERTY(QString          imageFile           READ    imageFile           NOTIFY  imageFileChanged)
+    Q_PROPERTY(QString          videoFile           READ    videoFile           NOTIFY  videoFileChanged)
     Q_PROPERTY(bool             showFullScreen      READ    showFullScreen      WRITE   setShowFullScreen     NOTIFY showFullScreenChanged)
 
     explicit VideoReceiver(QObject* parent = 0);
@@ -58,6 +59,7 @@ public:
     VideoSurface*   videoSurface    () { return _videoSurface; }
     bool            videoRunning    () { return _videoRunning; }
     QString         imageFile       () { return _imageFile; }
+    QString         videoFile       () { return _videoFile; }
     bool            showFullScreen  () { return _showFullScreen; }
 
     void            grabImage       (QString imageFile);
@@ -67,6 +69,7 @@ public:
 signals:
     void videoRunningChanged        ();
     void imageFileChanged           ();
+    void videoFileChanged           ();
     void showFullScreenChanged      ();
 #if defined(QGC_GST_STREAMING)
     void recordingChanged           ();
@@ -80,7 +83,7 @@ public slots:
     void stop                       ();
     void setUri                     (const QString& uri);
     void stopRecording              ();
-    void startRecording             ();
+    void startRecording             (const QString& videoFile = QString());
 
 private slots:
     void _updateTimer               ();
@@ -136,6 +139,7 @@ private:
 
     QString         _uri;
     QString         _imageFile;
+    QString         _videoFile;
     VideoSurface*   _videoSurface;
     bool            _videoRunning;
     bool            _showFullScreen;