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-rw-r--r--demos/spectrum/app/engine.h5
-rw-r--r--demos/spectrum/app/mainwidget.h3
-rw-r--r--demos/spectrum/app/settingsdialog.h2
-rw-r--r--demos/spectrum/app/spectrograph.h2
-rw-r--r--demos/spectrum/app/spectrumanalyser.h3
-rw-r--r--demos/spectrum/app/tonegenerator.h2
-rw-r--r--demos/spectrum/app/tonegeneratordialog.h2
-rw-r--r--demos/spectrum/app/utils.h2
-rw-r--r--demos/spectrum/app/waveform.h2
9 files changed, 22 insertions, 1 deletions
diff --git a/demos/spectrum/app/engine.h b/demos/spectrum/app/engine.h
index 16088b2..93733fe 100644
--- a/demos/spectrum/app/engine.h
+++ b/demos/spectrum/app/engine.h
@@ -61,10 +61,13 @@
#include <QDir>
#endif
+QT_BEGIN_NAMESPACE
class QAudioInput;
class QAudioOutput;
-class FrequencySpectrum;
class QFile;
+QT_END_NAMESPACE
+
+class FrequencySpectrum;
/**
* This class interfaces with the QtMultimedia audio classes, and also with
diff --git a/demos/spectrum/app/mainwidget.h b/demos/spectrum/app/mainwidget.h
index 846b97a..c59dbd6 100644
--- a/demos/spectrum/app/mainwidget.h
+++ b/demos/spectrum/app/mainwidget.h
@@ -50,11 +50,14 @@ class Waveform;
class LevelMeter;
class SettingsDialog;
class ToneGeneratorDialog;
+
+QT_BEGIN_NAMESPACE
class QAudioFormat;
class QLabel;
class QPushButton;
class QMenu;
class QAction;
+QT_END_NAMESPACE
/**
* Main application widget, responsible for connecting the various UI
diff --git a/demos/spectrum/app/settingsdialog.h b/demos/spectrum/app/settingsdialog.h
index 7215a50..fda518b 100644
--- a/demos/spectrum/app/settingsdialog.h
+++ b/demos/spectrum/app/settingsdialog.h
@@ -42,11 +42,13 @@
#include <QDialog>
#include <QtMultimedia/QAudioDeviceInfo>
+QT_BEGIN_NAMESPACE
class QComboBox;
class QCheckBox;
class QSlider;
class QSpinBox;
class QGridLayout;
+QT_END_NAMESPACE
/**
* Dialog used to control settings such as the audio input / output device
diff --git a/demos/spectrum/app/spectrograph.h b/demos/spectrum/app/spectrograph.h
index 6bfef33..a7790ff 100644
--- a/demos/spectrum/app/spectrograph.h
+++ b/demos/spectrum/app/spectrograph.h
@@ -41,7 +41,9 @@
#include <QWidget>
#include "frequencyspectrum.h"
+QT_BEGIN_NAMESPACE
class QMouseEvent;
+QT_END_NAMESPACE
/**
* Widget which displays a spectrograph showing the frequency spectrum
diff --git a/demos/spectrum/app/spectrumanalyser.h b/demos/spectrum/app/spectrumanalyser.h
index caeb1c1..f10da63 100644
--- a/demos/spectrum/app/spectrumanalyser.h
+++ b/demos/spectrum/app/spectrumanalyser.h
@@ -55,8 +55,11 @@
#include "FFTRealFixLenParam.h"
#endif
+QT_BEGIN_NAMESPACE
class QAudioFormat;
class QThread;
+QT_END_NAMESPACE
+
class FFTRealWrapper;
class SpectrumAnalyserThreadPrivate;
diff --git a/demos/spectrum/app/tonegenerator.h b/demos/spectrum/app/tonegenerator.h
index 419f7e4..d387768 100644
--- a/demos/spectrum/app/tonegenerator.h
+++ b/demos/spectrum/app/tonegenerator.h
@@ -41,8 +41,10 @@
#include <QtCore/qglobal.h>
#include "spectrum.h"
+QT_BEGIN_NAMESPACE
class QAudioFormat;
class QByteArray;
+QT_END_NAMESPACE
/**
* Generate a sine wave
diff --git a/demos/spectrum/app/tonegeneratordialog.h b/demos/spectrum/app/tonegeneratordialog.h
index 35d69c2..d6fcffa 100644
--- a/demos/spectrum/app/tonegeneratordialog.h
+++ b/demos/spectrum/app/tonegeneratordialog.h
@@ -42,10 +42,12 @@
#include <QDialog>
#include <QtMultimedia/QAudioDeviceInfo>
+QT_BEGIN_NAMESPACE
class QCheckBox;
class QSlider;
class QSpinBox;
class QGridLayout;
+QT_END_NAMESPACE
/**
* Dialog which controls the parameters of the tone generator.
diff --git a/demos/spectrum/app/utils.h b/demos/spectrum/app/utils.h
index 83467cd..548f884 100644
--- a/demos/spectrum/app/utils.h
+++ b/demos/spectrum/app/utils.h
@@ -41,7 +41,9 @@
#include <QtCore/qglobal.h>
#include <QDebug>
+QT_BEGIN_NAMESPACE
class QAudioFormat;
+QT_END_NAMESPACE
//-----------------------------------------------------------------------------
// Miscellaneous utility functions
diff --git a/demos/spectrum/app/waveform.h b/demos/spectrum/app/waveform.h
index 4de527f..909e5ee 100644
--- a/demos/spectrum/app/waveform.h
+++ b/demos/spectrum/app/waveform.h
@@ -43,7 +43,9 @@
#include <QPixmap>
#include <QScopedPointer>
+QT_BEGIN_NAMESPACE
class QByteArray;
+QT_END_NAMESPACE
/**
* Widget which displays a section of the audio waveform.