src/3rdparty/phonon/gstreamer/streamreader.h
author Alex Gilkes <alex.gilkes@nokia.com>
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/*  This file is part of the KDE project.
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Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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This library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2.1 or 3 of the License.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PHONON_IODEVICEREADER_H
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#define PHONON_IODEVICEREADER_H
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#include <phonon/mediasource.h>
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#include <phonon/streaminterface.h>
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QT_BEGIN_NAMESPACE
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namespace Phonon
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{
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    class MediaSource;
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    namespace Gstreamer
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    {
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        class StreamReader : public Phonon::StreamInterface
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        {
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        public:
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           StreamReader(const Phonon::MediaSource &source)
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            :  m_pos(0)
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             , m_size(0)
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             , m_seekable(false)
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            {
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                connectToSource(source);
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            }
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            int currentBufferSize() const
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            {
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                return m_buffer.size();
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            }
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            void writeData(const QByteArray &data) {
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                m_pos += data.size();
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                m_buffer += data;
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            }
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            void setCurrentPos(qint64 pos)
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            {
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                m_pos = pos;
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                seekStream(pos);
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                m_buffer.clear();
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            }
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            quint64 currentPos() const
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            {
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                return m_pos;
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            }
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            bool read(quint64 offset, int length, char * buffer);
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            void endOfData() {}
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            void setStreamSize(qint64 newSize) {
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                m_size = newSize;
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            }
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            qint64 streamSize() const {
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                return m_size;
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            }
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            void setStreamSeekable(bool s) {
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                m_seekable = s;
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            }
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            bool streamSeekable() const {
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                return m_seekable;
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            }
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private:
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            QByteArray m_buffer;
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            quint64 m_pos;
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            quint64 m_size;
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            bool m_seekable;
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        };
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    }
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}
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QT_END_NAMESPACE
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#endif