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86 lines
2.2 KiB
86 lines
2.2 KiB
/*
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*
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* $Id: k3baudiofile.h 619556 2007-01-03 17:38:12Z trueg $
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* Copyright (C) 2004 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#ifndef _K3B_AUDIO_FILE_H_
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#define _K3B_AUDIO_FILE_H_
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#include "k3baudiodatasource.h"
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#include <k3bmsf.h>
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#include <kurl.h>
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#include "k3b_export.h"
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class K3bAudioDecoder;
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class K3bAudioTrack;
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/**
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* The K3bAudioFile is the most important audio data source. It gets its data
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* from an audio file and uses a K3bAudioDecoder to decode this data.
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*
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* Be aware that it is currently not possible to change the doc of an AudioFile.
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* The reason for this is the decoder sharing which is in place to allow gapless
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* splitting of audio files into several tracks.
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*
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* \see K3bAudioDoc::createDecoderForUrl
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*/
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class LIBK3B_EXPORT K3bAudioFile : public K3bAudioDataSource
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{
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public:
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/**
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* The AudioFile registers itself with the doc. This is part of the
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* decoder handling facility in K3bAudioDoc which reuses the same decoder
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* for sources with the same url.
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*
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* Use K3bAudioDoc::getDecoderForUrl to create a decoder.
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*/
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K3bAudioFile( K3bAudioDecoder*, K3bAudioDoc* );
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K3bAudioFile( const K3bAudioFile& );
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/**
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* The AudioFile deregisters itself from the doc. If it was the last file
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* to use the decoder the doc will take care of deleting it.
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*/
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~K3bAudioFile();
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const TQString& filename() const;
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/**
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* The complete length of the file used by this source.
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*/
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K3b::Msf originalLength() const;
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TQString type() const;
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TQString sourceComment() const;
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bool isValid() const;
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K3bAudioDecoder* decoder() const { return m_decoder; }
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bool seek( const K3b::Msf& );
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int read( char* data, unsigned int max );
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K3bAudioDataSource* copy() const;
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private:
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K3bAudioDoc* m_doc;
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K3bAudioDecoder* m_decoder;
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unsigned long long m_decodedData;
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};
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#endif
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