aflibMpg123File.h

00001 /*
00002  * Copyright: (C) 2000-2001 Bruce W. Forsberg
00003  *
00004  *   This library is free software; you can redistribute it and/or
00005  *   modify it under the terms of the GNU Lesser General Public
00006  *   License as published by the Free Software Foundation; either
00007  *   version 2.1 of the License, or any later version.
00008  *
00009  *   This library is distributed in the hope that it will be useful,
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *   Lesser General Public License for more details.
00013  *
00014  *   You should have received a copy of the GNU Lesser General Public
00015  *   License along with this library; if not, write to the Free Software
00016  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
00017  *
00018  *   Bruce Forsberg  forsberg@tns.net
00019  *
00020  */
00021 
00033 #ifndef _AFLIBMPG123FILE_H
00034 #define _AFLIBMPG123FILE_H
00035 
00036 #ifdef HAVE_CONFIG_H
00037 #include <config.h>
00038 #endif
00039 
00040 
00041 #include "aflibFile.h"
00042 #include <string>
00043 
00044 
00045 class aflibMpg123File : public aflibFile {
00046 
00047 public:
00048 
00049    aflibMpg123File();
00050 
00051    ~aflibMpg123File();
00052 
00053    aflibStatus
00054    afopen(
00055       const char * file,
00056       aflibConfig* cfg);
00057 
00058    aflibStatus
00059    afcreate(
00060       const char * file,
00061       const aflibConfig& cfg);
00062 
00063    aflibStatus
00064    afread(
00065       aflibData& data,
00066       long long position = -1);
00067 
00068    aflibStatus
00069    afwrite(
00070       aflibData& data,
00071       long long position = -1);
00072 
00073    bool
00074    isDataSizeSupported(aflib_data_size size);
00075  
00076    bool
00077    isEndianSupported(aflib_data_endian end);
00078  
00079    bool
00080    isSampleRateSupported(int& rate);
00081 
00082 bool
00083 setItem(const char* item, const void* value);
00084 
00085 private:
00086 
00087 
00088 FILE*    _fd;
00089 int         _sample_rate;
00090 int         _depth;
00091 int     _channels;
00092 long        _current_sample;
00093 long        _last_frame;
00094 long        _samples_per_frame;
00095 int         _version;
00096 int         _blkalign;
00097 string  _mpeg_cmd;
00098 string  _filename;
00099 
00100 };
00101 
00102 
00103 #endif

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