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Diffstat (limited to 'plugins/decoder/mp3/k3bmaddecoder.h')
-rw-r--r-- | plugins/decoder/mp3/k3bmaddecoder.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/plugins/decoder/mp3/k3bmaddecoder.h b/plugins/decoder/mp3/k3bmaddecoder.h new file mode 100644 index 0000000..91e0f6c --- /dev/null +++ b/plugins/decoder/mp3/k3bmaddecoder.h @@ -0,0 +1,79 @@ +/* + * + * $Id$ + * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org> + * + * This file is part of the K3b project. + * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org> + * + * 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. + * See the file "COPYING" for the exact licensing terms. + */ + +#ifndef K3BMP3MODULE_H +#define K3BMP3MODULE_H + + +#include <k3baudiodecoder.h> + +extern "C" { +#include <mad.h> +} + + +class K3bMadDecoderFactory : public K3bAudioDecoderFactory +{ + Q_OBJECT + + public: + K3bMadDecoderFactory( QObject* parent = 0, const char* name = 0 ); + ~K3bMadDecoderFactory(); + + bool canDecode( const KURL& filename ); + + int pluginSystemVersion() const { return 3; } + + K3bAudioDecoder* createDecoder( QObject* parent = 0, + const char* name = 0 ) const; +}; + + +class K3bMadDecoder : public K3bAudioDecoder +{ + Q_OBJECT + + public: + K3bMadDecoder( QObject* parent = 0, const char* name = 0 ); + ~K3bMadDecoder(); + + QString metaInfo( MetaDataField ); + + void cleanup(); + + bool seekInternal( const K3b::Msf& ); + + QString fileType() const; + QStringList supportedTechnicalInfos() const; + QString technicalInfo( const QString& ) const; + + protected: + bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch ); + bool initDecoderInternal(); + + int decodeInternal( char* _data, int maxLen ); + + private: + unsigned long countFrames(); + inline unsigned short linearRound( mad_fixed_t fixed ); + bool createPcmSamples( mad_synth* ); + + static int MaxAllowedRecoverableErrors; + + class MadDecoderPrivate; + MadDecoderPrivate* d; +}; + +#endif |