/* This file is part of the KDE project.+ −
+ −
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+ −
+ −
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 or 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/>.+ −
*/+ −
+ −
#include "streamreader.h"+ −
#include <QtCore/QMutex>+ −
#include <phonon/streaminterface.h>+ −
+ −
QT_BEGIN_NAMESPACE+ −
#ifndef QT_NO_PHONON_ABSTRACTMEDIASTREAM+ −
namespace Phonon+ −
{+ −
namespace Gstreamer+ −
{+ −
+ −
bool StreamReader::read(quint64 pos, int length, char * buffer)+ −
{+ −
if (currentPos() - currentBufferSize() != pos) {+ −
if (!streamSeekable())+ −
return false;+ −
setCurrentPos(pos);+ −
}+ −
+ −
while (currentBufferSize() < length) {+ −
int oldSize = currentBufferSize();+ −
needData();+ −
if (oldSize == currentBufferSize())+ −
return false; // We didn't get any data+ −
}+ −
+ −
qMemCopy(buffer, m_buffer.data(), length);+ −
//truncate the buffer+ −
m_buffer = m_buffer.mid(pos); + −
return true;+ −
}+ −
+ −
}+ −
}+ −
#endif //QT_NO_PHONON_ABSTRACTMEDIASTREAM+ −
+ −
QT_END_NAMESPACE+ −