Adding qdoc workaround to all control classes

Change-Id: Ic8d8aa6f9824954a7745ddaa2639054dea8bf1ba
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

src/multimedia/controls/qaudioencodercontrol.h

@@ -59,6 +59,9 @@ QT_END_NAMESPACE
 
 QT_BEGIN_NAMESPACE
 
+// Required for QDoc workaround
+class QString;
+
 class Q_MULTIMEDIA_EXPORT QAudioEncoderControl : public QMediaControl
 {
     Q_OBJECT

src/multimedia/controls/qcameracapturebufferformatcontrol.h

@@ -51,6 +51,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraCaptureBufferFormatControl : public QMediaControl
 {

src/multimedia/controls/qcameracapturedestinationcontrol.h

@@ -51,6 +51,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraCaptureDestinationControl : public QMediaControl
 {

src/multimedia/controls/qcameracontrol.h

@@ -53,6 +53,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraControl : public QMediaControl
 {

src/multimedia/controls/qcameraexposurecontrol.h

@@ -55,6 +55,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraExposureControl : public QMediaControl
 {

src/multimedia/controls/qcamerafeedbackcontrol.h

@@ -56,6 +56,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraFeedbackControl : public QMediaControl
 {

src/multimedia/controls/qcameraflashcontrol.h

@@ -54,6 +54,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraFlashControl : public QMediaControl
 {

src/multimedia/controls/qcamerafocuscontrol.h

@@ -53,6 +53,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraFocusControl : public QMediaControl
 {

src/multimedia/controls/qcameraimagecapturecontrol.h

@@ -56,6 +56,9 @@ QT_END_NAMESPACE
 
 QT_BEGIN_NAMESPACE
 
+// Required for QDoc workaround
+class QString;
+
 class Q_MULTIMEDIA_EXPORT QCameraImageCaptureControl : public QMediaControl
 {
     Q_OBJECT

src/multimedia/controls/qcameraimageprocessingcontrol.h

@@ -54,6 +54,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraImageProcessingControl : public QMediaControl
 {

src/multimedia/controls/qcameralockscontrol.h

@@ -53,6 +53,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraLocksControl : public QMediaControl
 {

src/multimedia/controls/qcameraviewfindersettingscontrol.cpp

@@ -104,7 +104,7 @@ QCameraViewfinderSettingsControl::~QCameraViewfinderSettingsControl()
 */
 
 /*!
-    \fn QCameraViewfinderSettingsControl::isViewfinderParameterSupported(ViewfinderParameter parameter)
+    \fn bool QCameraViewfinderSettingsControl::isViewfinderParameterSupported(ViewfinderParameter parameter) const
 
     Returns true if configuration of viewfinder \a parameter is supported by camera backend.
 */

src/multimedia/controls/qcameraviewfindersettingscontrol.h

@@ -52,6 +52,9 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
+
 class Q_MULTIMEDIA_EXPORT QCameraViewfinderSettingsControl : public QMediaControl
 {
     Q_OBJECT

src/multimedia/controls/qcamerazoomcontrol.h

@@ -51,6 +51,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QCameraZoomControl : public QMediaControl
 {

src/multimedia/controls/qimageencodercontrol.h

@@ -60,6 +60,9 @@ QT_END_NAMESPACE
 
 QT_BEGIN_NAMESPACE
 
+// Required for QDoc workaround
+class QString;
+
 class Q_MULTIMEDIA_EXPORT QImageEncoderControl : public QMediaControl
 {
     Q_OBJECT

src/multimedia/controls/qmediacontainercontrol.h

@@ -51,6 +51,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QMediaContainerControl : public QMediaControl
 {

src/multimedia/controls/qmediagaplessplaybackcontrol.h

@@ -50,6 +50,9 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
+
 class Q_MULTIMEDIA_EXPORT QMediaGaplessPlaybackControl : public QMediaControl
 {
     Q_OBJECT

src/multimedia/controls/qmedianetworkaccesscontrol.h

@@ -54,6 +54,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QMediaNetworkAccessControl : public QMediaControl
 {

src/multimedia/controls/qmediarecordercontrol.h

@@ -56,6 +56,9 @@ QT_END_NAMESPACE
 
 QT_BEGIN_NAMESPACE
 
+// Required for QDoc workaround
+class QString;
+
 class Q_MULTIMEDIA_EXPORT QMediaRecorderControl : public QMediaControl
 {
     Q_OBJECT

src/multimedia/controls/qmediastreamscontrol.h

@@ -54,6 +54,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QMediaStreamsControl : public QMediaControl
 {

src/multimedia/controls/qmetadatareadercontrol.h

@@ -56,7 +56,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
-
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QMetaDataReaderControl : public QMediaControl
 {

src/multimedia/controls/qmetadatawritercontrol.h

@@ -56,7 +56,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
-
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QMetaDataWriterControl : public QMediaControl
 {

src/multimedia/controls/qradiodatacontrol.h

@@ -51,6 +51,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QRadioDataControl : public QMediaControl
 {

src/multimedia/controls/qradiotunercontrol.h

@@ -51,6 +51,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QRadioTunerControl : public QMediaControl
 {

src/multimedia/controls/qvideodevicecontrol.h

@@ -50,6 +50,9 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
+
 class Q_MULTIMEDIA_EXPORT QVideoDeviceControl : public QMediaControl
 {
     Q_OBJECT

src/multimedia/controls/qvideoencodercontrol.h

@@ -60,6 +60,9 @@ QT_END_NAMESPACE
 
 QT_BEGIN_NAMESPACE
 
+// Required for QDoc workaround
+class QString;
+
 class Q_MULTIMEDIA_EXPORT QVideoEncoderControl : public QMediaControl
 {
     Q_OBJECT

src/multimedia/controls/qvideowindowcontrol.h

@@ -53,6 +53,8 @@ QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
 
+// Required for QDoc workaround
+class QString;
 
 class Q_MULTIMEDIA_EXPORT QVideoWindowControl : public QMediaControl
 {