Merge commit 'qt/master-stable'

Conflicts:
	configure.exe
	doc/src/classes/qnamespace.qdoc
	examples/examples.pro
	src/corelib/kernel/qcoreevent.cpp
	src/corelib/kernel/qobject.cpp
	src/gui/kernel/qapplication.cpp
	src/gui/kernel/qstandardgestures.h
	src/gui/kernel/qwidget.cpp

1 files changed, 144 insertions, 0 deletions

diff --git a/examples/multimedia/audio/audioinput/audioinput.h b/examples/multimedia/audio/audioinput/audioinput.h
new file mode 100644
index 0000000..3a6b356
--- /dev/null
+++ b/examples/multimedia/audio/audioinput/audioinput.h
@@ -0,0 +1,144 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QPixmap>
+#include <QWidget>
+#include <QObject>
+#include <QMainWindow>
+#include <QPushButton>
+#include <QComboBox>
+
+#include <qaudioinput.h>
+
+#define BUFFER_SIZE_LOG 9
+#define BUFFER_SIZE (1 << BUFFER_SIZE_LOG)
+
+struct _struct_fft_state {
+    float real[BUFFER_SIZE];
+    float imag[BUFFER_SIZE];
+};
+typedef _struct_fft_state   fft_state;
+typedef short int           sound_sample;
+
+class Spectrum : public QIODevice
+{
+    Q_OBJECT
+public:
+    Spectrum(QObject* parent, QAudioInput* device, float* out);
+    ~Spectrum();
+
+    void start();
+    void stop();
+
+    qint64 readData(char *data, qint64 maxlen);
+    qint64 writeData(const char *data, qint64 len);
+
+    QAudioInput*   input;
+    float*         output;
+    fft_state*     fftState;
+
+    unsigned int bitReverse[BUFFER_SIZE];
+    float        sintable[BUFFER_SIZE / 2];
+    float        costable[BUFFER_SIZE / 2];
+
+    void prepFFT (const sound_sample *input, float *re, float *im);
+    void calcFFT (float *re, float *im);
+    void outputFFT (const float *re, const float *im);
+    int  reverseBits (unsigned int initial);
+    void performFFT (const sound_sample *input);
+
+signals:
+    void update();
+};
+
+
+class RenderArea : public QWidget
+{
+    Q_OBJECT
+
+public:
+    RenderArea(QWidget *parent = 0);
+
+    void spectrum(float* output, int size);
+
+protected:
+    void paintEvent(QPaintEvent *event);
+
+private:
+    QPixmap pixmap;
+
+    float*  samples;
+    int     sampleSize;
+};
+
+class InputTest : public QMainWindow
+{
+    Q_OBJECT
+public:
+    InputTest();
+    ~InputTest();
+
+    QAudioDeviceId device;
+    QAudioFormat   format;
+    QAudioInput*   audioInput;
+    Spectrum*      spec;
+    QIODevice*     input;
+    RenderArea*    canvas;
+
+    bool           pullMode;
+
+    QPushButton*   button;
+    QPushButton*   button2;
+    QComboBox*     deviceBox;
+
+    char*          buffer;
+    float*         output;
+
+private slots:
+    void refreshDisplay();
+    void status();
+    void readMore();
+    void toggleMode();
+    void toggleSuspend();
+    void state(QAudio::State s);
+    void deviceChanged(int idx);
+};
+