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Diffstat (limited to 'src/multimediakit/audio/qaudiodeviceinfo_alsa_p.h')
| -rw-r--r-- | src/multimediakit/audio/qaudiodeviceinfo_alsa_p.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/multimediakit/audio/qaudiodeviceinfo_alsa_p.h b/src/multimediakit/audio/qaudiodeviceinfo_alsa_p.h new file mode 100644 index 000000000..02a633bea --- /dev/null +++ b/src/multimediakit/audio/qaudiodeviceinfo_alsa_p.h @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** 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 Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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 "qaudio.h" +#include "qaudiodeviceinfo.h" +#include "qaudiosystem.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; + QString deviceName() const; + QStringList supportedCodecs(); + QList<int> supportedSampleRates(); + QList<int> supportedChannelCounts(); + QList<int> supportedSampleSizes(); + QList<QAudioFormat::Endian> supportedByteOrders(); + QList<QAudioFormat::SampleType> supportedSampleTypes(); + static QByteArray defaultInputDevice(); + static QByteArray defaultOutputDevice(); + static QList<QByteArray> availableDevices(QAudio::Mode); + +private: + bool open(); + void close(); + + void checkSurround(); + bool surround40; + bool surround51; + bool surround71; + + 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 + |