| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 <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(); |
| |
| #if (SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14) |
| void checkSurround(); |
| bool surround40; |
| bool surround51; |
| bool surround71; |
| #endif |
| |
| 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 |
| |