/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the Qt Mobility Components.

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** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

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** 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

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****************************************************************************/

#ifndef QMEDIASERVICEPROVIDER_H

#define QMEDIASERVICEPROVIDER_H

#include <QtCore/qobject.h>

#include <QtCore/qshareddata.h>

#include <qmobilityglobal.h>

#include "qtmedianamespace.h"

QT_BEGIN_NAMESPACE

class QMediaService;

class QMediaServiceProviderHintPrivate;

class Q_MULTIMEDIA_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_MULTIMEDIA_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 QtMultimediaKit::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

#endif  // QMEDIASERVICEPROVIDER_H