File indexing completed on 2025-02-16 07:39:58
0001 /* 0002 SPDX-FileCopyrightText: 1998-2008 Sebastian Trueg <trueg@k3b.org> 0003 0004 SPDX-License-Identifier: GPL-2.0-or-later 0005 */ 0006 0007 #ifndef _K3B_FFMPEG_DECODER_H_ 0008 #define _K3B_FFMPEG_DECODER_H_ 0009 0010 #include "k3baudiodecoder.h" 0011 0012 class K3bFFMpegFile; 0013 0014 0015 class K3bFFMpegDecoderFactory : public K3b::AudioDecoderFactory 0016 { 0017 Q_OBJECT 0018 0019 public: 0020 K3bFFMpegDecoderFactory( QObject* parent, const QVariantList& args ); 0021 ~K3bFFMpegDecoderFactory() override; 0022 0023 bool canDecode( const QUrl& filename ) override; 0024 0025 int pluginSystemVersion() const override { return K3B_PLUGIN_SYSTEM_VERSION; } 0026 0027 bool multiFormatDecoder() const override { return true; } 0028 0029 K3b::AudioDecoder* createDecoder( QObject* parent = 0 ) const override; 0030 }; 0031 0032 0033 class K3bFFMpegDecoder : public K3b::AudioDecoder 0034 { 0035 Q_OBJECT 0036 0037 public: 0038 explicit K3bFFMpegDecoder( QObject* parent = 0 ); 0039 ~K3bFFMpegDecoder() override; 0040 0041 QString fileType() const override; 0042 0043 void cleanup() 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 K3bFFMpegFile* m_file; 0054 QString m_type; 0055 }; 0056 0057 #endif