68 lines
3.0 KiB
C++
68 lines
3.0 KiB
C++
/***************************************************************************
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copyright : (C) 2002 - 2008 by Scott Wheeler
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email : wheeler@kde.org
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***************************************************************************/
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/***************************************************************************
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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 version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
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* 02110-1301 USA *
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* *
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* Alternatively, this file is available under the Mozilla Public *
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* License Version 1.1. You may obtain a copy of the License at *
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* http://www.mozilla.org/MPL/ *
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***************************************************************************/
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#ifndef TAGLIB_ID3V2SYNCHDATA_H
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#define TAGLIB_ID3V2SYNCHDATA_H
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#include "tbytevector.h"
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#include "taglib.h"
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namespace Strawberry_TagLib {
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namespace TagLib {
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namespace ID3v2 {
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//! A few functions for ID3v2 synch safe integer conversion
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/*!
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* In the ID3v2.4 standard most integer values are encoded as "synch safe"
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* integers which are encoded in such a way that they will not give false MPEG syncs and confuse MPEG decoders.
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* This namespace provides some methods for converting to and from these values to ByteVectors for things rendering and parsing ID3v2 data.
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*/
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namespace SynchData {
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/*!
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* This returns the unsigned integer value of \a data where \a data is a ByteVector that contains a \e synchsafe integer (Structure,
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* <a href="id3v2-structure.html#6.2">6.2</a>).
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* The default \a length of 4 is used if another value is not specified.
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*/
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TAGLIB_EXPORT unsigned int toUInt(const ByteVector &data);
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/*!
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* Returns a 4 byte (32 bit) synchsafe integer based on \a value.
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*/
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TAGLIB_EXPORT ByteVector fromUInt(unsigned int value);
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/*!
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* Convert the data from unsynchronized data to its original format.
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*/
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TAGLIB_EXPORT ByteVector decode(const ByteVector &data);
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} // namespace SynchData
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} // namespace ID3v2
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} // namespace TagLib
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} // namespace Strawberry_TagLib
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#endif
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