streaminterface.h

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00001 /*  This file is part of the KDE project
00002     Copyright (C) 2007 Matthias Kretz <kretz@kde.org>
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Lesser General Public
00006     License as published by the Free Software Foundation; either
00007     version 2.1 of the License, or (at your option) version 3, or any
00008     later version accepted by the membership of KDE e.V. (or its
00009     successor approved by the membership of KDE e.V.), Nokia Corporation 
00010     (or its successors, if any) and the KDE Free Qt Foundation, which shall
00011     act as a proxy defined in Section 6 of version 3 of the license.
00012 
00013     This library is distributed in the hope that it will be useful,
00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016     Lesser General Public License for more details.
00017 
00018     You should have received a copy of the GNU Lesser General Public 
00019     License along with this library.  If not, see <http://www.gnu.org/licenses/>.
00020 
00021 */
00022 
00023 #ifndef PHONON_STREAMINTERFACE_H
00024 #define PHONON_STREAMINTERFACE_H
00025 
00026 #include "phonon_export.h"
00027 #include <QtCore/QObject>
00028 
00029 QT_BEGIN_HEADER
00030 QT_BEGIN_NAMESPACE
00031 
00032 #ifndef QT_NO_PHONON_ABSTRACTMEDIASTREAM
00033 
00034 namespace Phonon
00035 {
00036 class StreamInterfacePrivate;
00037 class MediaSource;
00038 
00044 class PHONON_EXPORT StreamInterface
00045 {
00046     friend class StreamInterfacePrivate;
00047     friend class AbstractMediaStreamPrivate;
00048     public:
00049         virtual ~StreamInterface();
00056         virtual void writeData(const QByteArray &data) = 0;
00060         virtual void endOfData() = 0;
00066         virtual void setStreamSize(qint64 newSize) = 0;
00070         virtual void setStreamSeekable(bool s) = 0;
00071 
00078         void connectToSource(const MediaSource &mediaSource);
00079 
00089         void needData();
00090 
00095         void enoughData();
00096 
00101         void seekStream(qint64 seekTo);
00102 
00107         void reset();
00108 
00109     protected:
00110         StreamInterface();
00111 
00112         StreamInterfacePrivate *const d;
00113 };
00114 } // namespace Phonon
00115 
00116 Q_DECLARE_INTERFACE(Phonon::StreamInterface, "StreamInterface1.phonon.kde.org")
00117 
00118 #endif //QT_NO_PHONON_ABSTRACTMEDIASTREAM
00119 
00120 QT_END_NAMESPACE
00121 QT_END_HEADER
00122 
00123 #endif // PHONON_STREAMINTERFACE_H