diff -r 000000000000 -r 1918ee327afb src/multimedia/audio/qaudiodeviceinfo_alsa_p.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.h Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** 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 QtMultimedia module 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of other Qt classes. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + + +#ifndef QAUDIODEVICEINFOALSA_H +#define QAUDIODEVICEINFOALSA_H + +#include + +#include +#include +#include +#include + +#include +#include +#include + +QT_BEGIN_NAMESPACE + +const unsigned int MAX_SAMPLE_RATES = 5; +const unsigned int SAMPLE_RATES[] = + { 8000, 11025, 22050, 44100, 48000 }; + +class QAudioDeviceInfoInternal : public QAbstractAudioDeviceInfo +{ + Q_OBJECT +public: + QAudioDeviceInfoInternal(QByteArray dev,QAudio::Mode mode); + ~QAudioDeviceInfoInternal(); + + bool testSettings(const QAudioFormat& format) const; + void updateLists(); + QAudioFormat preferredFormat() const; + bool isFormatSupported(const QAudioFormat& format) const; + QAudioFormat nearestFormat(const QAudioFormat& format) const; + QString deviceName() const; + QStringList codecList(); + QList frequencyList(); + QList channelsList(); + QList sampleSizeList(); + QList byteOrderList(); + QList sampleTypeList(); + static QByteArray defaultInputDevice(); + static QByteArray defaultOutputDevice(); + static QList deviceList(QAudio::Mode); + +private: + bool open(); + void close(); + + QString device; + QAudio::Mode mode; + QAudioFormat nearest; + QList freqz; + QList channelz; + QList sizez; + QList byteOrderz; + QStringList codecz; + QList typez; + snd_pcm_t* handle; + snd_pcm_hw_params_t *params; +}; + +QT_END_NAMESPACE + +#endif +