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+/****************************************************************************
+**
+** Copyright (C) 2010 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 <alsa/asoundlib.h>
+
+#include <QtCore/qbytearray.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qdebug.h>
+
+#include <QtMultimedia/qaudio.h>
+#include <QtMultimedia/qaudiodeviceinfo.h>
+#include <QtMultimedia/qaudioengine.h>
+
+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<int> frequencyList();
+ QList<int> channelsList();
+ QList<int> sampleSizeList();
+ QList<QAudioFormat::Endian> byteOrderList();
+ QList<QAudioFormat::SampleType> sampleTypeList();
+ static QByteArray defaultInputDevice();
+ static QByteArray defaultOutputDevice();
+ static QList<QByteArray> availableDevices(QAudio::Mode);
+
+private:
+ bool open();
+ void close();
+
+ QString device;
+ QAudio::Mode mode;
+ QAudioFormat nearest;
+ QList<int> freqz;
+ QList<int> channelz;
+ QList<int> sizez;
+ QList<QAudioFormat::Endian> byteOrderz;
+ QStringList codecz;
+ QList<QAudioFormat::SampleType> typez;
+ snd_pcm_t* handle;
+ snd_pcm_hw_params_t *params;
+};
+
+QT_END_NAMESPACE
+
+#endif
+