diff --git a/src/multimedia/audio/qaudio.cpp b/src/multimedia/audio/qaudio.cpp
index 13cc2947..5039729b 100644
--- a/src/multimedia/audio/qaudio.cpp
+++ b/src/multimedia/audio/qaudio.cpp
@@ -45,23 +45,15 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace QAudio
+static void qRegisterAudioMetaTypes()
 {
-
-class RegisterMetaTypes
-{
-public:
-    RegisterMetaTypes()
-    {
-        qRegisterMetaType<QAudio::Error>();
-        qRegisterMetaType<QAudio::State>();
-        qRegisterMetaType<QAudio::Mode>();
-    }
-
-} _register;
-
+    qRegisterMetaType<QAudio::Error>();
+    qRegisterMetaType<QAudio::State>();
+    qRegisterMetaType<QAudio::Mode>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterAudioMetaTypes)
+
 /*!
     \namespace QAudio
     \brief The QAudio namespace contains enums used by the audio classes.
diff --git a/src/multimedia/audio/qaudiobuffer.cpp b/src/multimedia/audio/qaudiobuffer.cpp
index 586ab449..3d7346a9 100644
--- a/src/multimedia/audio/qaudiobuffer.cpp
+++ b/src/multimedia/audio/qaudiobuffer.cpp
@@ -47,18 +47,14 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+
+static void qRegisterAudioBufferMetaTypes()
 {
-    class QAudioBufferPrivateRegisterMetaTypes
-    {
-    public:
-        QAudioBufferPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QAudioBuffer>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QAudioBuffer>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterAudioBufferMetaTypes)
+
 
 class QAudioBufferPrivate : public QSharedData
 {
diff --git a/src/multimedia/audio/qaudiodecoder.cpp b/src/multimedia/audio/qaudiodecoder.cpp
index 3f0fcd4d..9397d741 100644
--- a/src/multimedia/audio/qaudiodecoder.cpp
+++ b/src/multimedia/audio/qaudiodecoder.cpp
@@ -72,19 +72,14 @@ QT_BEGIN_NAMESPACE
     \sa QAudioBuffer
 */
 
-namespace
+static void qRegisterAudioDecoderMetaTypes()
 {
-class AudioDecoderRegisterMetaTypes
-{
-public:
-    AudioDecoderRegisterMetaTypes()
-    {
-        qRegisterMetaType<QAudioDecoder::State>("QAudioDecoder::State");
-        qRegisterMetaType<QAudioDecoder::Error>("QAudioDecoder::Error");
-    }
-} _registerPlayerMetaTypes;
+    qRegisterMetaType<QAudioDecoder::State>("QAudioDecoder::State");
+    qRegisterMetaType<QAudioDecoder::Error>("QAudioDecoder::Error");
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterAudioDecoderMetaTypes)
+
 class QAudioDecoderPrivate : public QMediaObjectPrivate
 {
     Q_DECLARE_NON_CONST_PUBLIC(QAudioDecoder)
diff --git a/src/multimedia/audio/qaudiodeviceinfo.cpp b/src/multimedia/audio/qaudiodeviceinfo.cpp
index ff31f353..ca42373e 100644
--- a/src/multimedia/audio/qaudiodeviceinfo.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo.cpp
@@ -47,18 +47,13 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterAudioDeviceInfoMetaTypes()
 {
-    class QAudioInfoPrivateRegisterMetaTypes
-    {
-    public:
-        QAudioInfoPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QAudioDeviceInfo>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QAudioDeviceInfo>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterAudioDeviceInfoMetaTypes)
+
 class QAudioDeviceInfoPrivate : public QSharedData
 {
 public:
diff --git a/src/multimedia/audio/qaudioformat.cpp b/src/multimedia/audio/qaudioformat.cpp
index b83256a1..6992bf99 100644
--- a/src/multimedia/audio/qaudioformat.cpp
+++ b/src/multimedia/audio/qaudioformat.cpp
@@ -44,20 +44,14 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterAudioFormatMetaTypes()
 {
-    class QAudioFormatPrivateRegisterMetaTypes
-    {
-    public:
-        QAudioFormatPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QAudioFormat>();
-            qRegisterMetaType<QAudioFormat::SampleType>();
-            qRegisterMetaType<QAudioFormat::Endian>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QAudioFormat>();
+    qRegisterMetaType<QAudioFormat::SampleType>();
+    qRegisterMetaType<QAudioFormat::Endian>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterAudioFormatMetaTypes)
 
 class QAudioFormatPrivate : public QSharedData
 {
diff --git a/src/multimedia/camera/qcamera.cpp b/src/multimedia/camera/qcamera.cpp
index 32bab001..84833c6a 100644
--- a/src/multimedia/camera/qcamera.cpp
+++ b/src/multimedia/camera/qcamera.cpp
@@ -56,26 +56,21 @@
 
 #include <QDebug>
 
-namespace
+QT_BEGIN_NAMESPACE
+
+static void qRegisterCameraMetaTypes()
 {
-class CameraRegisterMetaTypes
-{
-public:
-    CameraRegisterMetaTypes()
-    {
-        qRegisterMetaType<QCamera::Error>("QCamera::Error");
-        qRegisterMetaType<QCamera::State>("QCamera::State");
-        qRegisterMetaType<QCamera::Status>("QCamera::Status");
-        qRegisterMetaType<QCamera::CaptureModes>("QCamera::CaptureModes");
-        qRegisterMetaType<QCamera::LockType>("QCamera::LockType");
-        qRegisterMetaType<QCamera::LockStatus>("QCamera::LockStatus");
-        qRegisterMetaType<QCamera::LockChangeReason>("QCamera::LockChangeReason");
-        qRegisterMetaType<QCamera::Position>("QCamera::Position");
-    }
-} _registerCameraMetaTypes;
+    qRegisterMetaType<QCamera::Error>("QCamera::Error");
+    qRegisterMetaType<QCamera::State>("QCamera::State");
+    qRegisterMetaType<QCamera::Status>("QCamera::Status");
+    qRegisterMetaType<QCamera::CaptureModes>("QCamera::CaptureModes");
+    qRegisterMetaType<QCamera::LockType>("QCamera::LockType");
+    qRegisterMetaType<QCamera::LockStatus>("QCamera::LockStatus");
+    qRegisterMetaType<QCamera::LockChangeReason>("QCamera::LockChangeReason");
+    qRegisterMetaType<QCamera::Position>("QCamera::Position");
 }
 
-QT_BEGIN_NAMESPACE
+Q_CONSTRUCTOR_FUNCTION(qRegisterCameraMetaTypes)
 
 /*!
     \class QCamera
diff --git a/src/multimedia/camera/qcameraexposure.cpp b/src/multimedia/camera/qcameraexposure.cpp
index 4385cd4a..7f1ef842 100644
--- a/src/multimedia/camera/qcameraexposure.cpp
+++ b/src/multimedia/camera/qcameraexposure.cpp
@@ -65,20 +65,14 @@ QT_BEGIN_NAMESPACE
 
 //#define DEBUG_EXPOSURE_CHANGES 1
 
-namespace
+static void qRegisterCameraExposureMetaTypes()
 {
-class CameraExposureRegisterMetaTypes
-{
-public:
-    CameraExposureRegisterMetaTypes()
-    {
-        qRegisterMetaType<QCameraExposure::ExposureMode>("QCameraExposure::ExposureMode");
-        qRegisterMetaType<QCameraExposure::FlashModes>("QCameraExposure::FlashModes");
-        qRegisterMetaType<QCameraExposure::MeteringMode>("QCameraExposure::MeteringMode");
-    }
-} _registerCameraExposureMetaTypes;
+    qRegisterMetaType<QCameraExposure::ExposureMode>("QCameraExposure::ExposureMode");
+    qRegisterMetaType<QCameraExposure::FlashModes>("QCameraExposure::FlashModes");
+    qRegisterMetaType<QCameraExposure::MeteringMode>("QCameraExposure::MeteringMode");
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterCameraExposureMetaTypes)
 
 
 class QCameraExposurePrivate
diff --git a/src/multimedia/camera/qcamerafocus.cpp b/src/multimedia/camera/qcamerafocus.cpp
index cae28516..0b6d331b 100644
--- a/src/multimedia/camera/qcamerafocus.cpp
+++ b/src/multimedia/camera/qcamerafocus.cpp
@@ -55,19 +55,15 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterCameraFocusMetaTypes()
 {
-class CameraFocusRegisterMetaTypes
-{
-public:
-    CameraFocusRegisterMetaTypes()
-    {
-        qRegisterMetaType<QCameraFocus::FocusModes>("QCameraFocus::FocusModes");
-        qRegisterMetaType<QCameraFocus::FocusPointMode>("QCameraFocus::FocusPointMode");
-    }
-} _registerCameraFocusMetaTypes;
+    qRegisterMetaType<QCameraFocus::FocusModes>("QCameraFocus::FocusModes");
+    qRegisterMetaType<QCameraFocus::FocusPointMode>("QCameraFocus::FocusPointMode");
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterCameraFocusMetaTypes)
+
+
 class QCameraFocusFakeZoomControl : public QCameraZoomControl
 {
 public:
diff --git a/src/multimedia/camera/qcameraimagecapture.cpp b/src/multimedia/camera/qcameraimagecapture.cpp
index 409db494..400c2b92 100644
--- a/src/multimedia/camera/qcameraimagecapture.cpp
+++ b/src/multimedia/camera/qcameraimagecapture.cpp
@@ -83,20 +83,15 @@ QT_BEGIN_NAMESPACE
     \value CaptureToBuffer  Capture the image to a buffer for further processing.
 */
 
-namespace
+static void qRegisterCameraImageCaptureMetaTypes()
 {
-class MediaRecorderRegisterMetaTypes
-{
-public:
-    MediaRecorderRegisterMetaTypes()
-    {
-        qRegisterMetaType<QCameraImageCapture::Error>("QCameraImageCapture::Error");
-        qRegisterMetaType<QCameraImageCapture::CaptureDestination>("QCameraImageCapture::CaptureDestination");
-        qRegisterMetaType<QCameraImageCapture::CaptureDestinations>("QCameraImageCapture::CaptureDestinations");
-    }
-} _registerRecorderMetaTypes;
+    qRegisterMetaType<QCameraImageCapture::Error>("QCameraImageCapture::Error");
+    qRegisterMetaType<QCameraImageCapture::CaptureDestination>("QCameraImageCapture::CaptureDestination");
+    qRegisterMetaType<QCameraImageCapture::CaptureDestinations>("QCameraImageCapture::CaptureDestinations");
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterCameraImageCaptureMetaTypes)
+
 
 class QCameraImageCapturePrivate
 {
diff --git a/src/multimedia/camera/qcameraimageprocessing.cpp b/src/multimedia/camera/qcameraimageprocessing.cpp
index 7df22245..6f08b786 100644
--- a/src/multimedia/camera/qcameraimageprocessing.cpp
+++ b/src/multimedia/camera/qcameraimageprocessing.cpp
@@ -52,20 +52,15 @@
 
 #include <QtCore/QDebug>
 
-namespace
-{
-    class QCameraImageProcessingPrivateRegisterMetaTypes
-    {
-    public:
-        QCameraImageProcessingPrivateRegisterMetaTypes()
+QT_BEGIN_NAMESPACE
+
+static void qRegisterCameraImageProcessingMetaTypes()
         {
             qRegisterMetaType<QCameraImageProcessing::WhiteBalanceMode>();
         }
-    } _registerMetaTypes;
-}
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterCameraImageProcessingMetaTypes)
 
-QT_BEGIN_NAMESPACE
 
 /*!
     \class QCameraImageProcessing
diff --git a/src/multimedia/controls/qcameraimageprocessingcontrol.cpp b/src/multimedia/controls/qcameraimageprocessingcontrol.cpp
index f9cb8c86..944b0964 100644
--- a/src/multimedia/controls/qcameraimageprocessingcontrol.cpp
+++ b/src/multimedia/controls/qcameraimageprocessingcontrol.cpp
@@ -44,18 +44,13 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterCameraImageProcessingControlMetaTypes()
 {
-    class QCameraImageProcessingControlPrivateRegisterMetaTypes
-    {
-    public:
-        QCameraImageProcessingControlPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QCameraImageProcessingControl::ProcessingParameter>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QCameraImageProcessingControl::ProcessingParameter>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterCameraImageProcessingControlMetaTypes)
+
 /*!
     \class QCameraImageProcessingControl
     \inmodule QtMultimedia
diff --git a/src/multimedia/controls/qmediastreamscontrol.cpp b/src/multimedia/controls/qmediastreamscontrol.cpp
index a054289f..11d31599 100644
--- a/src/multimedia/controls/qmediastreamscontrol.cpp
+++ b/src/multimedia/controls/qmediastreamscontrol.cpp
@@ -44,18 +44,14 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterMediaStreamControlMetaTypes()
 {
-    class QMediaStreamsControlPrivateRegisterMetaTypes
-    {
-    public:
-        QMediaStreamsControlPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QMediaStreamsControl::StreamType>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QMediaStreamsControl::StreamType>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterMediaStreamControlMetaTypes)
+
+
 /*!
     \class QMediaStreamsControl
     \inmodule QtMultimedia
diff --git a/src/multimedia/playback/qmediacontent.cpp b/src/multimedia/playback/qmediacontent.cpp
index 4c32128f..ff3ed28d 100644
--- a/src/multimedia/playback/qmediacontent.cpp
+++ b/src/multimedia/playback/qmediacontent.cpp
@@ -48,18 +48,13 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterMediaContentMetaTypes()
 {
-    class QMediaContentPrivateRegisterMetaTypes
-    {
-    public:
-        QMediaContentPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QMediaContent>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QMediaContent>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterMediaContentMetaTypes)
+
 
 class QMediaContentPrivate : public QSharedData
 {
diff --git a/src/multimedia/playback/qmediaplayer.cpp b/src/multimedia/playback/qmediaplayer.cpp
index cb054fe5..e8899ddf 100644
--- a/src/multimedia/playback/qmediaplayer.cpp
+++ b/src/multimedia/playback/qmediaplayer.cpp
@@ -90,20 +90,16 @@ QT_BEGIN_NAMESPACE
     \sa QMediaObject, QMediaService, QVideoWidget, QMediaPlaylist
 */
 
-namespace
+static void qRegisterMediaPlayerMetaTypes()
 {
-class MediaPlayerRegisterMetaTypes
-{
-public:
-    MediaPlayerRegisterMetaTypes()
-    {
-        qRegisterMetaType<QMediaPlayer::State>("QMediaPlayer::State");
-        qRegisterMetaType<QMediaPlayer::MediaStatus>("QMediaPlayer::MediaStatus");
-        qRegisterMetaType<QMediaPlayer::Error>("QMediaPlayer::Error");
-    }
-} _registerPlayerMetaTypes;
+    qRegisterMetaType<QMediaPlayer::State>("QMediaPlayer::State");
+    qRegisterMetaType<QMediaPlayer::MediaStatus>("QMediaPlayer::MediaStatus");
+    qRegisterMetaType<QMediaPlayer::Error>("QMediaPlayer::Error");
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterMediaPlayerMetaTypes)
+
+
 #define MAX_NESTED_PLAYLISTS 16
 
 class QMediaPlayerPrivate : public QMediaObjectPrivate
diff --git a/src/multimedia/playback/qmediaplaylist.cpp b/src/multimedia/playback/qmediaplaylist.cpp
index 68a8917f..a8168107 100644
--- a/src/multimedia/playback/qmediaplaylist.cpp
+++ b/src/multimedia/playback/qmediaplaylist.cpp
@@ -61,19 +61,14 @@ QT_BEGIN_NAMESPACE
 Q_GLOBAL_STATIC_WITH_ARGS(QMediaPluginLoader, playlistIOLoader,
         (QMediaPlaylistIOInterface_iid, QLatin1String("playlistformats"), Qt::CaseInsensitive))
 
-namespace
+static void qRegisterMediaPlaylistMetaTypes()
 {
-    class QMediaPlaylistPrivateRegisterMetaTypes
-    {
-    public:
-        QMediaPlaylistPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QMediaPlaylist::Error>();
-            qRegisterMetaType<QMediaPlaylist::PlaybackMode>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QMediaPlaylist::Error>();
+    qRegisterMetaType<QMediaPlaylist::PlaybackMode>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterMediaPlaylistMetaTypes)
+
 
 /*!
     \class QMediaPlaylist
diff --git a/src/multimedia/playback/qmediaresource.cpp b/src/multimedia/playback/qmediaresource.cpp
index 62c982ca..4997620a 100644
--- a/src/multimedia/playback/qmediaresource.cpp
+++ b/src/multimedia/playback/qmediaresource.cpp
@@ -47,19 +47,15 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterMediaResourceMetaTypes()
 {
-    class QMediaResourcePrivateRegisterMetaTypes
-    {
-    public:
-        QMediaResourcePrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QMediaResource>();
-            qRegisterMetaType<QMediaResourceList>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QMediaResource>();
+    qRegisterMetaType<QMediaResourceList>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterMediaResourceMetaTypes)
+
+
 /*!
     \class QMediaResource
 
diff --git a/src/multimedia/qmultimedia.cpp b/src/multimedia/qmultimedia.cpp
index 0f4d98f7..140d4a34 100644
--- a/src/multimedia/qmultimedia.cpp
+++ b/src/multimedia/qmultimedia.cpp
@@ -41,21 +41,17 @@ QT_BEGIN_NAMESPACE
 
 */
 
-namespace
+static void qRegisterMultimediaMetaTypes()
 {
-    class QMultimediaNamespacePrivateRegisterMetaTypes
-    {
-    public:
-        QMultimediaNamespacePrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QMultimedia::AvailabilityStatus>();
-            qRegisterMetaType<QMultimedia::SupportEstimate>();
-            qRegisterMetaType<QMultimedia::EncodingMode>();
-            qRegisterMetaType<QMultimedia::EncodingQuality>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QMultimedia::AvailabilityStatus>();
+    qRegisterMetaType<QMultimedia::SupportEstimate>();
+    qRegisterMetaType<QMultimedia::EncodingMode>();
+    qRegisterMetaType<QMultimedia::EncodingQuality>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterMultimediaMetaTypes)
+
+
 /*!
     \enum QMultimedia::SupportEstimate
 
diff --git a/src/multimedia/radio/qradiodata.cpp b/src/multimedia/radio/qradiodata.cpp
index 66b051a4..d6bde35b 100644
--- a/src/multimedia/radio/qradiodata.cpp
+++ b/src/multimedia/radio/qradiodata.cpp
@@ -50,20 +50,15 @@
 
 QT_BEGIN_NAMESPACE
 
-
-namespace
+static void qRegisterRadioDataMetaTypes()
 {
-    class QRadioDataPrivateRegisterMetaTypes
-    {
-    public:
-        QRadioDataPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QRadioData::Error>();
-            qRegisterMetaType<QRadioData::ProgramType>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QRadioData::Error>();
+    qRegisterMetaType<QRadioData::ProgramType>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterRadioDataMetaTypes)
+
+
 /*!
     \class QRadioData
     \brief The QRadioData class provides interfaces to the RDS functionality of the system radio.
diff --git a/src/multimedia/radio/qradiotuner.cpp b/src/multimedia/radio/qradiotuner.cpp
index 9255783d..29a0d6d3 100644
--- a/src/multimedia/radio/qradiotuner.cpp
+++ b/src/multimedia/radio/qradiotuner.cpp
@@ -52,22 +52,17 @@
 QT_BEGIN_NAMESPACE
 
 
-namespace
+static void qRegisterRadioTunerMetaTypes()
 {
-    class QRadioTunerPrivateRegisterMetaTypes
-    {
-    public:
-        QRadioTunerPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QRadioTuner::Band>();
-            qRegisterMetaType<QRadioTuner::Error>();
-            qRegisterMetaType<QRadioTuner::SearchMode>();
-            qRegisterMetaType<QRadioTuner::State>();
-            qRegisterMetaType<QRadioTuner::StereoMode>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QRadioTuner::Band>();
+    qRegisterMetaType<QRadioTuner::Error>();
+    qRegisterMetaType<QRadioTuner::SearchMode>();
+    qRegisterMetaType<QRadioTuner::State>();
+    qRegisterMetaType<QRadioTuner::StereoMode>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterRadioTunerMetaTypes)
+
 
 /*!
     \class QRadioTuner
diff --git a/src/multimedia/recording/qmediaencodersettings.cpp b/src/multimedia/recording/qmediaencodersettings.cpp
index 73169264..e7511511 100644
--- a/src/multimedia/recording/qmediaencodersettings.cpp
+++ b/src/multimedia/recording/qmediaencodersettings.cpp
@@ -43,20 +43,16 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterEncoderSettingsMetaTypes()
 {
-class QMediaEncoderSettingsPrivateRegisterMetaTypes
-{
-public:
-    QMediaEncoderSettingsPrivateRegisterMetaTypes()
-    {
-        qRegisterMetaType<QAudioEncoderSettings>();
-        qRegisterMetaType<QVideoEncoderSettings>();
-        qRegisterMetaType<QImageEncoderSettings>();
-    }
-} _registerMetaTypes;
+    qRegisterMetaType<QAudioEncoderSettings>();
+    qRegisterMetaType<QVideoEncoderSettings>();
+    qRegisterMetaType<QImageEncoderSettings>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterEncoderSettingsMetaTypes)
+
+
 class QAudioEncoderSettingsPrivate  : public QSharedData
 {
 public:
diff --git a/src/multimedia/recording/qmediarecorder.cpp b/src/multimedia/recording/qmediarecorder.cpp
index f38de025..7c28caf9 100644
--- a/src/multimedia/recording/qmediarecorder.cpp
+++ b/src/multimedia/recording/qmediarecorder.cpp
@@ -80,20 +80,16 @@ QT_BEGIN_NAMESPACE
     \sa QAudioRecorder
 */
 
-namespace
+static void qRegisterMediaRecorderMetaTypes()
 {
-class MediaRecorderRegisterMetaTypes
-{
-public:
-    MediaRecorderRegisterMetaTypes()
-    {
-        qRegisterMetaType<QMediaRecorder::State>("QMediaRecorder::State");
-        qRegisterMetaType<QMediaRecorder::Status>("QMediaRecorder::Status");
-        qRegisterMetaType<QMediaRecorder::Error>("QMediaRecorder::Error");
-    }
-} _registerRecorderMetaTypes;
+    qRegisterMetaType<QMediaRecorder::State>("QMediaRecorder::State");
+    qRegisterMetaType<QMediaRecorder::Status>("QMediaRecorder::Status");
+    qRegisterMetaType<QMediaRecorder::Error>("QMediaRecorder::Error");
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterMediaRecorderMetaTypes)
+
+
 QMediaRecorderPrivate::QMediaRecorderPrivate():
      mediaObject(0),
      control(0),
diff --git a/src/multimedia/video/qabstractvideobuffer.cpp b/src/multimedia/video/qabstractvideobuffer.cpp
index 5f69382e..79da6f9b 100644
--- a/src/multimedia/video/qabstractvideobuffer.cpp
+++ b/src/multimedia/video/qabstractvideobuffer.cpp
@@ -48,19 +48,15 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterAbstractVideoBufferMetaTypes()
 {
-    class QAbstractVideoBufferPrivateRegisterMetaTypes
-    {
-    public:
-        QAbstractVideoBufferPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QAbstractVideoBuffer::HandleType>();
-            qRegisterMetaType<QAbstractVideoBuffer::MapMode>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QAbstractVideoBuffer::HandleType>();
+    qRegisterMetaType<QAbstractVideoBuffer::MapMode>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterAbstractVideoBufferMetaTypes)
+
+
 /*!
     \class QAbstractVideoBuffer
     \brief The QAbstractVideoBuffer class is an abstraction for video data.
diff --git a/src/multimedia/video/qabstractvideosurface.cpp b/src/multimedia/video/qabstractvideosurface.cpp
index e62c514d..ff935612 100644
--- a/src/multimedia/video/qabstractvideosurface.cpp
+++ b/src/multimedia/video/qabstractvideosurface.cpp
@@ -50,18 +50,13 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterAbstractVideoSurfaceMetaTypes()
 {
-    class QAbstractVideoSurfacePrivateRegisterMetaTypes
-    {
-    public:
-        QAbstractVideoSurfacePrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QAbstractVideoSurface::Error>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QAbstractVideoSurface::Error>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterAbstractVideoSurfaceMetaTypes)
+
 
 class QAbstractVideoSurfacePrivate {
 public:
diff --git a/src/multimedia/video/qvideoframe.cpp b/src/multimedia/video/qvideoframe.cpp
index 29f6e473..ad81c80e 100644
--- a/src/multimedia/video/qvideoframe.cpp
+++ b/src/multimedia/video/qvideoframe.cpp
@@ -55,20 +55,15 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterVideoFrameMetaTypes()
 {
-class QVideoFramePrivateRegisterMetaTypes
-{
-public:
-    QVideoFramePrivateRegisterMetaTypes()
-    {
-        qRegisterMetaType<QVideoFrame>();
-        qRegisterMetaType<QVideoFrame::FieldType>();
-        qRegisterMetaType<QVideoFrame::PixelFormat>();
-    }
-} _registerMetaTypes;
+    qRegisterMetaType<QVideoFrame>();
+    qRegisterMetaType<QVideoFrame::FieldType>();
+    qRegisterMetaType<QVideoFrame::PixelFormat>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterVideoFrameMetaTypes)
+
 
 class QVideoFramePrivate : public QSharedData
 {
diff --git a/src/multimedia/video/qvideosurfaceformat.cpp b/src/multimedia/video/qvideosurfaceformat.cpp
index 5806f3b9..56814f47 100644
--- a/src/multimedia/video/qvideosurfaceformat.cpp
+++ b/src/multimedia/video/qvideosurfaceformat.cpp
@@ -49,20 +49,15 @@
 
 QT_BEGIN_NAMESPACE
 
-namespace
+static void qRegisterVideoSurfaceFormatMetaTypes()
 {
-    class QVideoSurfaceFormatPrivateRegisterMetaTypes
-    {
-    public:
-        QVideoSurfaceFormatPrivateRegisterMetaTypes()
-        {
-            qRegisterMetaType<QVideoSurfaceFormat>();
-            qRegisterMetaType<QVideoSurfaceFormat::Direction>();
-            qRegisterMetaType<QVideoSurfaceFormat::YCbCrColorSpace>();
-        }
-    } _registerMetaTypes;
+    qRegisterMetaType<QVideoSurfaceFormat>();
+    qRegisterMetaType<QVideoSurfaceFormat::Direction>();
+    qRegisterMetaType<QVideoSurfaceFormat::YCbCrColorSpace>();
 }
 
+Q_CONSTRUCTOR_FUNCTION(qRegisterVideoSurfaceFormatMetaTypes)
+
 
 class QVideoSurfaceFormatPrivate : public QSharedData
 {