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aflibMpgFile.h

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

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