00001 /* 00002 * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG) 00003 * UNIVERSITAT POMPEU FABRA 00004 * 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 * 00020 */ 00021 00022 #ifndef __MPEGCODEC__ 00023 #define __MPEGCODEC__ 00024 00025 #include "AudioCodec.hxx" 00026 #include "DataTypes.hxx" 00027 00028 struct mad_frame; 00029 00030 namespace CLAM 00031 { 00032 00033 namespace AudioCodecs 00034 { 00035 00036 00037 class MpegCodec : public Codec 00038 { 00039 private: 00040 MpegCodec(); 00041 00042 public: 00043 virtual ~MpegCodec(); 00044 00045 static MpegCodec& Instantiate(); 00046 00047 virtual bool IsReadable( std::string uri ) const; 00048 virtual bool IsWritable( std::string uri, const AudioFileHeader& ) const; 00049 virtual Stream* GetStreamFor( const AudioFile& ); 00050 virtual void RetrieveHeaderData( std::string uri, AudioFileHeader& ); 00051 virtual void RetrieveTextDescriptors( std::string uri, AudioTextDescriptors& ); 00052 00053 protected: 00054 00055 void RetrieveMPEGFrameInfo( const struct mad_frame& MPEGframe, 00056 AudioFileHeader& header ); 00057 00058 }; 00059 } 00060 00061 } 00062 00063 00064 #endif // MpegCodec.hxx 00065