aflibMpgFile.h

00001 /*
00002  * Copyright: (C) 2000 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 
00030 #ifndef _AFLIBMPGFILE_H
00031 #define _AFLIBMPGFILE_H
00032 
00033 #ifdef HAVE_CONFIG_H
00034 #include <config.h>
00035 #endif
00036 
00037 #include "aflibFile.h"
00038 #include "stdio.h"
00039 #include "stdlib.h"
00040 
00041 class Mpegtoraw;
00042 
00043 class aflibMpgFile : public aflibFile {
00044 
00045 public:
00046 
00047    aflibMpgFile();
00048 
00049    ~aflibMpgFile();
00050 
00051    aflibStatus
00052    afopen(
00053       const char * file,
00054       aflibConfig* cfg);
00055 
00056    aflibStatus
00057    afcreate(
00058       const char * file,
00059       const aflibConfig& cfg);
00060 
00061    aflibStatus
00062    afread(
00063       aflibData& data,
00064       long long position = -1);
00065 
00066    aflibStatus
00067    afwrite(
00068       aflibData& data,
00069       long long position = -1);
00070 
00071    bool
00072    isDataSizeSupported(aflib_data_size size);
00073  
00074    bool
00075    isEndianSupported(aflib_data_endian end);
00076  
00077    bool
00078    isSampleRateSupported(int& rate);
00079 
00080 private:
00081 
00082 short int* _buffer;
00083 int             _bufpos;
00084 long            _buflen;
00085 long        _samples_per_frame;
00086 long        _total_frames;
00087 int     _channels;
00088 Mpegtoraw* _decoder;
00089 long        _current_frame;
00090 
00091 };
00092 
00093 
00094 #endif

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