/*  This file is part of the KDE project
    Copyright (C) 2008 Matthias Kretz <kretz@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) version 3, or any
    later version accepted by the membership of KDE e.V. (or its
    successor approved by the membership of KDE e.V.), Nokia Corporation 
    (or its successors, if any) and the KDE Free Qt Foundation, which shall
    act as a proxy defined in Section 6 of version 3 of the license.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public 
    License along with this library.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef PHONON_VIDEODATAOUTPUT2_H
#define PHONON_VIDEODATAOUTPUT2_H

#include "export.h"
#include <QtCore/QObject>
#include "abstractvideodataoutput.h"

namespace Phonon
{
namespace Experimental
{

class VideoDataOutput2Private;

/**
 * \short This class gives you the video data.
 *
 * This class implements a special AbstractVideoOutput that gives your
 * application the video data.
 *
 * You can also use the video data for further processing (e.g. encoding and
 * saving to a file).
 *
 * \author Matthias Kretz <kretz@kde.org>
 */
class PHONONEXPERIMENTAL_EXPORT VideoDataOutput2 : public QObject, public AbstractVideoDataOutput
{
    Q_OBJECT
    K_DECLARE_PRIVATE(VideoDataOutput2)
    PHONON_HEIR(VideoDataOutput2)

    protected:
        virtual void frameReady(const VideoFrame2 &);

        virtual void endOfMedia();

    Q_SIGNALS:
        /**
         * The signal is emitted whenever a frame should be displayed.
         * nowStamp is the current time, outStamp tells the users
         * what time the frame should be displayed with.
         *
         * The relevant frames should be fetched and displayed using frameForTime
         * method.
         */
        void frameReadySignal(const Phonon::Experimental::VideoFrame2 &);

        /**
         * This signal is emitted after the last frameReady signal of a
         * media is emitted.
         */
        void endOfMediaSignal();
};

} // namespace Experimental
} //namespace Phonon

#endif // PHONON_VIDEODATAOUTPUT2_H
