f788f8e5c6
Important warnings such as missing services are still printed though. Task-number: QTBUG-31080 Change-Id: I96fd3837c4edc58c61b97bf950b7cab05ceed014 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com> Reviewed-by: Christian Stromme <christian.stromme@digia.com>
137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef AUDIOINPUT_H
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#define AUDIOINPUT_H
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#include <QAudioInput>
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#include <QByteArray>
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#include <QComboBox>
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#include <QMainWindow>
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#include <QObject>
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#include <QPixmap>
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#include <QPushButton>
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#include <QSlider>
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#include <QWidget>
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class AudioInfo : public QIODevice
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{
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Q_OBJECT
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public:
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AudioInfo(const QAudioFormat &format, QObject *parent);
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~AudioInfo();
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void start();
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void stop();
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qreal level() const { return m_level; }
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qint64 readData(char *data, qint64 maxlen);
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qint64 writeData(const char *data, qint64 len);
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private:
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const QAudioFormat m_format;
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quint32 m_maxAmplitude;
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qreal m_level; // 0.0 <= m_level <= 1.0
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signals:
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void update();
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};
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class RenderArea : public QWidget
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{
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Q_OBJECT
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public:
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RenderArea(QWidget *parent = 0);
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void setLevel(qreal value);
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protected:
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void paintEvent(QPaintEvent *event);
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private:
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qreal m_level;
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QPixmap m_pixmap;
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};
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class InputTest : public QMainWindow
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{
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Q_OBJECT
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public:
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InputTest();
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~InputTest();
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private:
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void initializeWindow();
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void initializeAudio();
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void createAudioInput();
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private slots:
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void refreshDisplay();
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void readMore();
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void toggleMode();
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void toggleSuspend();
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void deviceChanged(int index);
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void sliderChanged(int value);
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private:
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// Owned by layout
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RenderArea *m_canvas;
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QPushButton *m_modeButton;
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QPushButton *m_suspendResumeButton;
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QComboBox *m_deviceBox;
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QSlider *m_volumeSlider;
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QAudioDeviceInfo m_device;
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AudioInfo *m_audioInfo;
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QAudioFormat m_format;
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QAudioInput *m_audioInput;
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QIODevice *m_input;
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bool m_pullMode;
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QByteArray m_buffer;
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};
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#endif // AUDIOINPUT_H
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