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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMediaServices 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMEDIASERVICEPROVIDER_H
#define QMEDIASERVICEPROVIDER_H
#include <QtCore/qobject.h>
#include <QtCore/qshareddata.h>
#include <QtMediaServices/qtmedianamespace.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class QMediaService;
class QMediaServiceProviderHintPrivate;
class Q_MEDIASERVICES_EXPORT QMediaServiceProviderHint
{
public:
enum Type { Null, ContentType, Device, SupportedFeatures };
enum Feature {
LowLatencyPlayback = 0x01,
RecordingSupport = 0x02,
StreamPlayback = 0x04
};
Q_DECLARE_FLAGS(Features, Feature)
QMediaServiceProviderHint();
QMediaServiceProviderHint(const QString &mimeType, const QStringList& codecs);
QMediaServiceProviderHint(const QByteArray &device);
QMediaServiceProviderHint(Features features);
QMediaServiceProviderHint(const QMediaServiceProviderHint &other);
~QMediaServiceProviderHint();
QMediaServiceProviderHint& operator=(const QMediaServiceProviderHint &other);
bool operator == (const QMediaServiceProviderHint &other) const;
bool operator != (const QMediaServiceProviderHint &other) const;
bool isNull() const;
Type type() const;
QString mimeType() const;
QStringList codecs() const;
QByteArray device() const;
Features features() const;
//to be extended, if necessary
private:
QSharedDataPointer<QMediaServiceProviderHintPrivate> d;
};
class Q_MEDIASERVICES_EXPORT QMediaServiceProvider : public QObject
{
Q_OBJECT
public:
virtual QMediaService* requestService(const QByteArray &type, const QMediaServiceProviderHint &hint = QMediaServiceProviderHint()) = 0;
virtual void releaseService(QMediaService *service) = 0;
virtual QtMediaServices::SupportEstimate hasSupport(const QByteArray &serviceType,
const QString &mimeType,
const QStringList& codecs,
int flags = 0) const;
virtual QStringList supportedMimeTypes(const QByteArray &serviceType, int flags = 0) const;
virtual QList<QByteArray> devices(const QByteArray &serviceType) const;
virtual QString deviceDescription(const QByteArray &serviceType, const QByteArray &device);
static QMediaServiceProvider* defaultServiceProvider();
#ifdef QT_BUILD_INTERNAL
static void setDefaultServiceProvider(QMediaServiceProvider *provider);
#endif
};
/*!
Service with support for media playback
Required Controls: QMediaPlayerControl
Optional Controls: QMediaPlaylistControl, QAudioDeviceControl
Video Output Controls (used by QWideoWidget and QGraphicsVideoItem):
Required: QVideoOutputControl
Optional: QVideoWindowControl, QVideoRendererControl, QVideoWidgetControl
*/
#define Q_MEDIASERVICE_MEDIAPLAYER "com.nokia.qt.mediaplayer"
/*!
Service with support for recording from audio sources
Required Controls: QAudioDeviceControl
Recording Controls (QMediaRecorder):
Required: QMediaRecorderControl
Recommended: QAudioEncoderControl
Optional: QMediaContainerControl
*/
#define Q_MEDIASERVICE_AUDIOSOURCE "com.nokia.qt.audiosource"
/*!
Service with support for camera use.
Required Controls: QCameraControl
Optional Controls: QCameraExposureControl, QCameraFocusControl, QImageProcessingControl
Still Capture Controls: QImageCaptureControl
Recording Controls (QMediaRecorder):
Required: QMediaRecorderControl
Recommended: QAudioEncoderControl, QVideoEncoderControl, QMediaContainerControl
Viewfinder Video Output Controls (used by QWideoWidget and QGraphicsVideoItem):
Required: QVideoOutputControl
Optional: QVideoWindowControl, QVideoRendererControl, QVideoWidgetControl
*/
#define Q_MEDIASERVICE_CAMERA "com.nokia.qt.camera"
/*!
Service with support for radio tuning.
Required Controls: QRadioTunerControl
Recording Controls (Optional, used by QMediaRecorder):
Required: QMediaRecorderControl
Recommended: QAudioEncoderControl
Optional: QMediaContainerControl
*/
#define Q_MEDIASERVICE_RADIO "com.nokia.qt.radio"
QT_END_NAMESPACE
QT_END_HEADER
#endif // QMEDIASERVICEPROVIDER_H
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