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author | Jan-Arve Sæther <jan-arve.saether@nokia.com> | 2009-10-20 14:01:15 (GMT) |
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committer | Jan-Arve Sæther <jan-arve.saether@nokia.com> | 2009-10-20 14:01:15 (GMT) |
commit | 393db7ada80e803c73fa65f68f5dd037c16ed836 (patch) | |
tree | 0f047d6127e36d23dd0e0d214b2d887038d483c5 /examples/multimedia/audiooutput/audiooutput.h | |
parent | d4dd08918082372d3df7be2d3a6671cbd7bc7fd3 (diff) | |
parent | cbca69bb0c7e3c42bf7d2d964057f38263de0553 (diff) | |
download | Qt-393db7ada80e803c73fa65f68f5dd037c16ed836.zip Qt-393db7ada80e803c73fa65f68f5dd037c16ed836.tar.gz Qt-393db7ada80e803c73fa65f68f5dd037c16ed836.tar.bz2 |
Merge branch '4.6' of scm.dev.nokia.troll.no:qt/qt-widget-team into 4.6
Diffstat (limited to 'examples/multimedia/audiooutput/audiooutput.h')
-rw-r--r-- | examples/multimedia/audiooutput/audiooutput.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/examples/multimedia/audiooutput/audiooutput.h b/examples/multimedia/audiooutput/audiooutput.h new file mode 100644 index 0000000..6c07a3a --- /dev/null +++ b/examples/multimedia/audiooutput/audiooutput.h @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <math.h> + +#define BUFFER_SIZE 32768 + +#include <QObject> +#include <QMainWindow> +#include <QIODevice> +#include <QTimer> +#include <QPushButton> +#include <QComboBox> + +#include <QAudioOutput> + +class Generator : public QIODevice +{ + Q_OBJECT +public: + Generator(QObject *parent); + ~Generator(); + + void start(); + void stop(); + + char *t; + int len; + int pos; + int total; + char *buffer; + bool finished; + int chunk_size; + + qint64 readData(char *data, qint64 maxlen); + qint64 writeData(const char *data, qint64 len); + +private: + int putShort(char *t, unsigned int value); + int fillData(char *start, int frequency, int seconds); +}; + +class AudioTest : public QMainWindow +{ + Q_OBJECT +public: + AudioTest(); + ~AudioTest(); + + QAudioDeviceInfo device; + Generator* gen; + QAudioOutput* audioOutput; + QIODevice* output; + QTimer* timer; + QAudioFormat settings; + + bool pullMode; + char* buffer; + + QPushButton* button; + QPushButton* button2; + QComboBox* deviceBox; + +private slots: + void status(); + void writeMore(); + void toggle(); + void togglePlay(); + void state(QAudio::State s); + void deviceChanged(int idx); +}; + |