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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qdebug.h>
+#include <QtMultimedia/qaudioengine.h>
+#include <QtMultimedia/qaudioengineplugin.h>
+#include <private/qfactoryloader_p.h>
+#include "qaudiodevicefactory_p.h"
+#include "qaudiodeviceid_p.h"
+
+#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"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
+ (QAudioEngineFactoryInterface_iid, QLatin1String("/audio"), Qt::CaseInsensitive))
+
+
+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 totalTime() const { return 0; }
+ qint64 clock() const { return 0; }
+ QAudio::Error error() const { return QAudio::OpenError; }
+ QAudio::State state() const { return QAudio::StopState; }
+ 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 totalTime() const { return 0; }
+ qint64 clock() const { return 0; }
+ QAudio::Error error() const { return QAudio::OpenError; }
+ QAudio::State state() const { return QAudio::StopState; }
+ QAudioFormat format() const { return QAudioFormat(); }
+};
+
+QList<QAudioDeviceId> QAudioDeviceFactory::deviceList(QAudio::Mode mode)
+{
+ QList<QAudioDeviceId> devices;
+#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA))
+ foreach (const QByteArray &handle, QAudioDeviceInfoPrivate::deviceList(mode))
+ devices += createDeviceId(QLatin1String("builtin"), mode, handle);
+#endif
+ QFactoryLoader* l = loader();
+
+ foreach (QString const& key, l->keys()) {
+ QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(l->instance(key));
+ if (plugin) {
+ foreach (QByteArray const& handle, plugin->deviceList(mode))
+ devices += createDeviceId(key, mode, handle);
+ }
+
+ delete plugin;
+ }
+
+ return devices;
+}
+
+QAudioDeviceId QAudioDeviceFactory::defaultInputDevice()
+{
+ QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(QLatin1String("default")));
+
+ if (plugin) {
+ QList<QByteArray> list = plugin->deviceList(QAudio::AudioInput);
+ if (list.size() > 0)
+ return createDeviceId(QLatin1String("default"), QAudio::AudioInput, list.at(0));
+ }
+#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA))
+ return createDeviceId(QLatin1String("builtin"), QAudio::AudioInput, QAudioDeviceInfoPrivate::defaultInputDevice());
+#endif
+ return QAudioDeviceId();
+}
+
+QAudioDeviceId QAudioDeviceFactory::defaultOutputDevice()
+{
+ QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(QLatin1String("default")));
+
+ if (plugin) {
+ QList<QByteArray> list = plugin->deviceList(QAudio::AudioOutput);
+ if (list.size() > 0)
+ return createDeviceId(QLatin1String("default"), QAudio::AudioOutput, list.at(0));
+ }
+#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA))
+ return createDeviceId(QLatin1String("builtin"), QAudio::AudioOutput, QAudioDeviceInfoPrivate::defaultOutputDevice());
+#endif
+ return QAudioDeviceId();
+}
+
+QAbstractAudioDeviceInfo* QAudioDeviceFactory::audioDeviceInfo(QAudioDeviceId const& id)
+{
+ if (id.isNull())
+ return new QNullDeviceInfo();
+#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA))
+ if (id.d->key == QLatin1String("builtin"))
+ return new QAudioDeviceInfoPrivate(id.d->handle, QAudio::Mode(id.d->mode));
+#endif
+ QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(id.d->key));
+
+ if (plugin)
+ return plugin->createDeviceInfo(id.d->handle, QAudio::Mode(id.d->mode));
+
+ return new QNullDeviceInfo();
+}
+
+QAbstractAudioInput* QAudioDeviceFactory::createDefaultInputDevice(QAudioFormat const &format)
+{
+ return createInputDevice(defaultInputDevice(), format);
+}
+
+QAbstractAudioOutput* QAudioDeviceFactory::createDefaultOutputDevice(QAudioFormat const &format)
+{
+ return createOutputDevice(defaultOutputDevice(), format);
+}
+
+QAbstractAudioInput* QAudioDeviceFactory::createInputDevice(QAudioDeviceId const& id, QAudioFormat const &format)
+{
+ if (id.isNull())
+ return new QNullInputDevice();
+#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA))
+ if (id.d->key == QLatin1String("builtin")) {
+ if(!defaultInputDevice().isNull())
+ return new QAudioInputPrivate(id.d->handle, format);
+ else
+ return new QNullInputDevice();
+ }
+#endif
+ QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance((id.d->key)));
+
+ if (plugin)
+ return plugin->createInput(id.d->handle, format);
+
+ return new QNullInputDevice();
+}
+
+QAbstractAudioOutput* QAudioDeviceFactory::createOutputDevice(QAudioDeviceId const& id, QAudioFormat const &format)
+{
+ if (id.isNull())
+ return new QNullOutputDevice();
+#if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA))
+ if (id.d->key == QLatin1String("builtin")) {
+ if(!defaultOutputDevice().isNull())
+ return new QAudioOutputPrivate(id.d->handle, format);
+ else
+ return new QNullOutputDevice();
+ }
+#endif
+ QAudioEngineFactoryInterface* plugin = qobject_cast<QAudioEngineFactoryInterface*>(loader()->instance(id.d->key));
+
+ if (plugin)
+ return plugin->createOutput(id.d->handle, format);
+
+ return new QNullOutputDevice();
+}
+
+QAudioDeviceId QAudioDeviceFactory::createDeviceId(QString const& key, int mode, QByteArray const& handle)
+{
+ return QAudioDeviceId(new QAudioDeviceIdPrivate(key, mode, handle));
+}
+
+QT_END_NAMESPACE
+
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