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/* MPEG Sound library
(C) 1997 by Woo-jae Jung */
// Binput.cc
// Inputstream from file
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/stat.h>
#include <unistd.h>
#include "mpegsound.h"
/************************/
/* Input bitstrem class */
/************************/
Soundinputstreamfromfile::~Soundinputstreamfromfile()
{
if(fp)fclose(fp);
}
bool Soundinputstreamfromfile::open(char *filename)
{
struct stat buf;
if(filename==NULL)
{
fp=stdin;
size=0;
return true;
}
else if((fp=fopen(filename,"r"))==NULL)
{
seterrorcode(SOUND_ERROR_FILEOPENFAIL);
return false;
}
stat(filename,&buf);
size=buf.st_size;
return true;
}
int Soundinputstreamfromfile::getbytedirect(void)
{
int c;
if((c=getc(fp))<0)
seterrorcode(SOUND_ERROR_FILEREADFAIL);
return c;
}
bool Soundinputstreamfromfile::_readbuffer(char *buffer,int size)
{
if(fread(buffer,size,1,fp)!=1)
{
seterrorcode(SOUND_ERROR_FILEREADFAIL);
return false;
}
return true;
}
bool Soundinputstreamfromfile::eof(void)
{
return feof(fp);
};
int Soundinputstreamfromfile::getblock(char *buffer,int size)
{
return fread(buffer,1,size,fp);
}
int Soundinputstreamfromfile::getsize(void)
{
return size;
}
void Soundinputstreamfromfile::setposition(int pos)
{
if(fp==stdin)return;
fseek(fp,pos,SEEK_SET);
}
int Soundinputstreamfromfile::getposition(void)
{
if(fp==stdin)return 0;
return ftell(fp);
}
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