/**************************************************************************** | |
** | |
** 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. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include <QtCore/qdebug.h> | |
#include <QtMultimedia/qaudioengine.h> | |
#include <QtMultimedia/qaudioengineplugin.h> | |
#include <private/qfactoryloader_p.h> | |
#include "qaudiodevicefactory_p.h" | |
#ifndef QT_NO_AUDIO_BACKEND | |
#if defined(Q_OS_WIN) | |
#include "qaudiodeviceinfo_win32_p.h" | |
#include "qaudiooutput_win32_p.h" | |
#include "qaudioinput_win32_p.h" | |
#elif defined(Q_OS_MAC) | |
#include "qaudiodeviceinfo_mac_p.h" | |
#include "qaudiooutput_mac_p.h" | |
#include "qaudioinput_mac_p.h" | |
#elif defined(HAS_ALSA) | |
#include "qaudiodeviceinfo_alsa_p.h" | |
#include "qaudiooutput_alsa_p.h" | |
#include "qaudioinput_alsa_p.h" | |
#elif defined(Q_OS_SYMBIAN) | |
#include "qaudiodeviceinfo_symbian_p.h" | |
#include "qaudiooutput_symbian_p.h" | |
#include "qaudioinput_symbian_p.h" | |
#endif | |
#endif | |
QT_BEGIN_NAMESPACE | |
#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) | |
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader, | |
(QAudioEngineFactoryInterface_iid, QLatin1String("/audio"), Qt::CaseInsensitive)) | |
#endif | |
class QNullDeviceInfo : public QAbstractAudioDeviceInfo | |
{ | |
public: | |
QAudioFormat preferredFormat() const { qWarning()<<"using null deviceinfo, none available"; return QAudioFormat(); } | |
bool isFormatSupported(const QAudioFormat& ) const { return false; } | |
QAudioFormat nearestFormat(const QAudioFormat& ) const { return QAudioFormat(); } | |
QString deviceName() const { return QString(); } | |
QStringList codecList() { return QStringList(); } | |
QList<int> frequencyList() { return QList<int>(); } | |
QList<int> channelsList() { return QList<int>(); } | |
QList<int> sampleSizeList() { return QList<int>(); } | |
QList<QAudioFormat::Endian> byteOrderList() { return QList<QAudioFormat::Endian>(); } | |
QList<QAudioFormat::SampleType> sampleTypeList() { return QList<QAudioFormat::SampleType>(); } | |
}; | |
class QNullInputDevice : public QAbstractAudioInput | |
{ | |
public: | |
QIODevice* start(QIODevice* ) { qWarning()<<"using null input device, none available"; return 0; } | |
void stop() {} | |
void reset() {} | |
void suspend() {} | |
void resume() {} | |
int bytesReady() const { return 0; } | |
int periodSize() const { return 0; } | |
void setBufferSize(int ) {} | |
int bufferSize() const { return 0; } | |
void setNotifyInterval(int ) {} | |
int notifyInterval() const { return 0; } | |
qint64 processedUSecs() const { return 0; } | |
qint64 elapsedUSecs() const { return 0; } | |
QAudio::Error error() const { return QAudio::OpenError; } | |
QAudio::State state() const { return QAudio::StoppedState; } | |
QAudioFormat format() const { return QAudioFormat(); } | |
}; | |
class QNullOutputDevice : public QAbstractAudioOutput | |
{ | |
public: | |
QIODevice* start(QIODevice* ) { qWarning()<<"using null output device, none available"; return 0; } | |
void stop() {} | |
void reset() {} | |
void suspend() {} | |
void resume() {} | |
int bytesFree() const { return 0; } | |
int periodSize() const { return 0; } | |
void setBufferSize(int ) {} | |
int bufferSize() const { return 0; } | |
void setNotifyInterval(int ) {} | |
int notifyInterval() const { return 0; } | |
qint64 processedUSecs() const { return 0; } | |
qint64 elapsedUSecs() const { return 0; } | |
QAudio::Error error() const { return QAudio::OpenError; } | |
QAudio::State state() const { return QAudio::StoppedState; } | |
QAudioFormat format() const { return QAudioFormat(); } | |
}; | |
QList<QAudioDeviceInfo> QAudioDeviceFactory::availableDevices(QAudio::Mode mode) | |
{ | |
QList<QAudioDeviceInfo> devices; | |
#ifndef QT_NO_AUDIO_BACKEND | |
#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA) || defined(Q_OS_SYMBIAN)) | |
foreach (const QByteArray &handle, QAudioDeviceInfoInternal::availableDevices(mode)) | |
devices << QAudioDeviceInfo(QLatin1String("builtin"), handle, mode); | |
#endif | |
#endif | |
#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) | |
QFactoryLoader* l = loader(); | |
foreach (QString const& key, l->keys()) { | |
QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(l->instance(key)); | |
if (plugin) { | |
foreach (QByteArray const& handle, plugin->availableDevices(mode)) | |
devices << QAudioDeviceInfo(key, handle, mode); | |
} | |
delete plugin; | |
} | |
#endif | |
return devices; | |
} | |
QAudioDeviceInfo QAudioDeviceFactory::defaultInputDevice() | |
{ | |
#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) | |
QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(QLatin1String("default"))); | |
if (plugin) { | |
QList<QByteArray> list = plugin->availableDevices(QAudio::AudioInput); | |
if (list.size() > 0) | |
return QAudioDeviceInfo(QLatin1String("default"), list.at(0), QAudio::AudioInput); | |
} | |
#endif | |
#ifndef QT_NO_AUDIO_BACKEND | |
#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA) || defined(Q_OS_SYMBIAN)) | |
return QAudioDeviceInfo(QLatin1String("builtin"), QAudioDeviceInfoInternal::defaultInputDevice(), QAudio::AudioInput); | |
#endif | |
#endif | |
return QAudioDeviceInfo(); | |
} | |
QAudioDeviceInfo QAudioDeviceFactory::defaultOutputDevice() | |
{ | |
#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) | |
QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(QLatin1String("default"))); | |
if (plugin) { | |
QList<QByteArray> list = plugin->availableDevices(QAudio::AudioOutput); | |
if (list.size() > 0) | |
return QAudioDeviceInfo(QLatin1String("default"), list.at(0), QAudio::AudioOutput); | |
} | |
#endif | |
#ifndef QT_NO_AUDIO_BACKEND | |
#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA) || defined(Q_OS_SYMBIAN)) | |
return QAudioDeviceInfo(QLatin1String("builtin"), QAudioDeviceInfoInternal::defaultOutputDevice(), QAudio::AudioOutput); | |
#endif | |
#endif | |
return QAudioDeviceInfo(); | |
} | |
QAbstractAudioDeviceInfo* QAudioDeviceFactory::audioDeviceInfo(const QString &realm, const QByteArray &handle, QAudio::Mode mode) | |
{ | |
QAbstractAudioDeviceInfo *rc = 0; | |
#ifndef QT_NO_AUDIO_BACKEND | |
#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA) || defined(Q_OS_SYMBIAN)) | |
if (realm == QLatin1String("builtin")) | |
return new QAudioDeviceInfoInternal(handle, mode); | |
#endif | |
#endif | |
#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) | |
QAudioEngineFactoryInterface* plugin = | |
qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(realm)); | |
if (plugin) | |
rc = plugin->createDeviceInfo(handle, mode); | |
#endif | |
return rc == 0 ? new QNullDeviceInfo() : rc; | |
} | |
QAbstractAudioInput* QAudioDeviceFactory::createDefaultInputDevice(QAudioFormat const &format) | |
{ | |
return createInputDevice(defaultInputDevice(), format); | |
} | |
QAbstractAudioOutput* QAudioDeviceFactory::createDefaultOutputDevice(QAudioFormat const &format) | |
{ | |
return createOutputDevice(defaultOutputDevice(), format); | |
} | |
QAbstractAudioInput* QAudioDeviceFactory::createInputDevice(QAudioDeviceInfo const& deviceInfo, QAudioFormat const &format) | |
{ | |
if (deviceInfo.isNull()) | |
return new QNullInputDevice(); | |
#ifndef QT_NO_AUDIO_BACKEND | |
#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA) || defined(Q_OS_SYMBIAN)) | |
if (deviceInfo.realm() == QLatin1String("builtin")) | |
return new QAudioInputPrivate(deviceInfo.handle(), format); | |
#endif | |
#endif | |
#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) | |
QAudioEngineFactoryInterface* plugin = | |
qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(deviceInfo.realm())); | |
if (plugin) | |
return plugin->createInput(deviceInfo.handle(), format); | |
#endif | |
return new QNullInputDevice(); | |
} | |
QAbstractAudioOutput* QAudioDeviceFactory::createOutputDevice(QAudioDeviceInfo const& deviceInfo, QAudioFormat const &format) | |
{ | |
if (deviceInfo.isNull()) | |
return new QNullOutputDevice(); | |
#ifndef QT_NO_AUDIO_BACKEND | |
#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA) || defined(Q_OS_SYMBIAN)) | |
if (deviceInfo.realm() == QLatin1String("builtin")) | |
return new QAudioOutputPrivate(deviceInfo.handle(), format); | |
#endif | |
#endif | |
#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) | |
QAudioEngineFactoryInterface* plugin = | |
qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(deviceInfo.realm())); | |
if (plugin) | |
return plugin->createOutput(deviceInfo.handle(), format); | |
#endif | |
return new QNullOutputDevice(); | |
} | |
QT_END_NAMESPACE | |