File indexing completed on 2025-02-16 07:39:59
0001 /* 0002 SPDX-FileCopyrightText: 1998-2008 Sebastian Trueg <trueg@k3b.org> 0003 0004 SPDX-License-Identifier: GPL-2.0-or-later 0005 */ 0006 0007 0008 #ifndef _K3B_OGGVORBIS_DECODER_H_ 0009 #define _K3B_OGGVORBIS_DECODER_H_ 0010 0011 0012 #include "k3baudiodecoder.h" 0013 0014 class K3bOggVorbisDecoderFactory : public K3b::AudioDecoderFactory 0015 { 0016 Q_OBJECT 0017 0018 public: 0019 K3bOggVorbisDecoderFactory( QObject* parent, const QVariantList& ); 0020 ~K3bOggVorbisDecoderFactory() override; 0021 0022 bool canDecode( const QUrl& filename ) override; 0023 0024 int pluginSystemVersion() const override { return K3B_PLUGIN_SYSTEM_VERSION; } 0025 0026 K3b::AudioDecoder* createDecoder( QObject* parent = 0) const override; 0027 }; 0028 0029 0030 /** 0031 *@author Sebastian Trueg 0032 */ 0033 class K3bOggVorbisDecoder : public K3b::AudioDecoder 0034 { 0035 Q_OBJECT 0036 0037 public: 0038 explicit K3bOggVorbisDecoder( QObject* parent = 0 ); 0039 ~K3bOggVorbisDecoder() override; 0040 0041 void cleanup() override; 0042 0043 QString fileType() const override; 0044 0045 protected: 0046 bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch ) override; 0047 bool initDecoderInternal() override; 0048 bool seekInternal( const K3b::Msf& ) override; 0049 0050 int decodeInternal( char* _data, int maxLen ) override; 0051 0052 private: 0053 bool openOggVorbisFile(); 0054 0055 class Private; 0056 Private* d; 0057 }; 0058 0059 #endif