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170 lines
6.3 KiB
170 lines
6.3 KiB
/***************************************************************************
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copyright : (C) 2002, 2003, 2006 by Jochen Issing
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email : jochen.issing@isign-softart.de
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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, *
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* MA 02110-1301 USA *
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***************************************************************************/
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/***************************************************************************
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copyright : (C) 2002, 2003 by Jochen Issing
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email : jochen.issing@isign-softart.de
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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 02110-1301 *
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* USA *
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***************************************************************************/
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#ifndef TAGLIB_MP4FILE_H
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#define TAGLIB_MP4FILE_H
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#include <tfile.h>
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#include <audioproperties.h>
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#include "mp4fourcc.h"
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namespace TagLib {
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typedef unsigned long long ulonglong;
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class Tag;
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namespace MP4
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{
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class Mp4TagsProxy;
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class Mp4PropsProxy;
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//! An implementation of TagLib::File with mp4 itunes specific methods
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/*!
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* This implements and provides an interface for mp4 itunes files to the
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* TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing
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* the abstract TagLib::File API as well as providing some additional
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* information specific to mp4 itunes files. (TODO)
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*/
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class File : public TagLib::File
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{
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public:
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/*!
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* Contructs an mp4 itunes file from \a file. If \a readProperties is true the
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* file's audio properties will also be read using \a propertiesStyle. If
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* false, \a propertiesStyle is ignored.
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*/
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File(const char *file, bool readProperties = true,
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AudioProperties::ReadStyle propertiesStyle = AudioProperties::Average);
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/*!
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* Destroys this instance of the File.
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*/
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virtual ~File();
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/*!
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* Returns the Tag for this file. This will be an APE tag, an ID3v1 tag
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* or a combination of the two.
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*/
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virtual TagLib::Tag *tag() const;
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/*!
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* Returns the mp4 itunes::Properties for this file. If no audio properties
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* were read then this will return a null pointer.
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*/
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virtual AudioProperties *audioProperties() const;
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/*!
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* Saves the file.
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*/
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virtual bool save();
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/*!
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* This will remove all tags.
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*
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* \note This will also invalidate pointers to the tags
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* as their memory will be freed.
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* \note In order to make the removal permanent save() still needs to be called
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*/
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void remove();
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/*!
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* Helper function for parsing the MP4 file - reads the size and type of the next box.
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* Returns true if read succeeded - not at EOF
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*/
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bool readSizeAndType( TagLib::uint& size, MP4::Fourcc& fourcc );
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/*!
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* Helper function to read the length of an descriptor in systems manner
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*/
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TagLib::uint readSystemsLen();
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/*!
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* Helper function for reading an unsigned int out of the file (big endian method)
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*/
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bool readInt( TagLib::uint& toRead );
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/*!
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* Helper function for reading an unsigned short out of the file (big endian method)
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*/
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bool readShort( TagLib::uint& toRead );
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/*!
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* Helper function for reading an unsigned long long (64bit) out of the file (big endian method)
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*/
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bool readLongLong( TagLib::ulonglong& toRead );
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/*!
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* Helper function to read a fourcc code
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*/
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bool readFourcc( TagLib::MP4::Fourcc& fourcc );
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/*!
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* Function to get the tags proxy for registration of the tags boxes.
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* The proxy provides direct access to the data boxes of the certain tags - normally
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* covered by several levels of subboxes
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*/
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Mp4TagsProxy* tagProxy() const;
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/*!
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* Function to get the properties proxy for registration of the properties boxes.
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* The proxy provides direct access to the needed boxes describing audio properties.
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*/
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Mp4PropsProxy* propProxy() const;
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private:
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File(const File &);
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File &operator=(const File &);
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class FilePrivate;
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FilePrivate *d;
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};
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} // namespace MP4
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} // namespace TagLib
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#endif // TAGLIB_MP4FILE_H
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