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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /proc/self/root/usr/include/CLAM/ |
| Current File : //proc/self/root/usr/include/CLAM/AudioCodec.hxx |
/*
* Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __AUDIOCODEC__
#define __AUDIOCODEC__
#include <string>
namespace CLAM
{
class AudioFile;
class AudioFileHeader;
class AudioTextDescriptors;
namespace AudioCodecs
{
class Stream;
/**
* A codec implements a file audio format support.
* Subclasses should reimplement its methods to support
* a concrete audio file format.
*/
class Codec
{
public:
virtual ~Codec();
static bool FileExists( std::string filename );
/** Returns whether the filename is readable by the codec */
virtual bool IsReadable( std::string filename ) const = 0;
/** Returns whether codec can write a file with such name and header parameters */
virtual bool IsWritable( std::string filename, const AudioFileHeader& ) const = 0;
/** Returns an Stream object to read or write on */
virtual Stream* GetStreamFor( const AudioFile& ) = 0;
/** Returns a header structure containing file information (length, encoding...) */
virtual void RetrieveHeaderData( std::string uri, AudioFileHeader& ) = 0;
/** Returns textual meta information embedded on the audio file such ID3 tags */
virtual void RetrieveTextDescriptors( std::string uri, AudioTextDescriptors& );
};
}
}
#endif // AudioCodec.hxx
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