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/*
system dependent wrapper for access to cdrom (Linux)
Copyright (C) 1999 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#ifdef __STRICT_ANSI__
#undef __STRICT_ANSI__
#define _ANSI_WAS_HERE_
#endif
#include <linux/types.h>
#include <linux/cdrom.h>
#ifdef _ANSI_WAS_HERE_
#define __STRICT_ANSI__
#endif
#include <sys/ioctl.h>
#include "cdromToc.h"
#include "cdromRawAccess.h"
#include <iostream>
using namespace std;
/**
here you find an example how to port the access method
to your system.
*/
int CDRomToc::getStartEnd(FILE* file,int& startToc,int& endToc) {
struct cdrom_tochdr tochdr;
int fd=fileno(file);
if (ioctl(fd, CDROMREADTOCHDR, &tochdr) == -1) {
perror("ioctl cdromreadtochdr");
return false;
}
startToc=tochdr.cdth_trk0;
endToc=tochdr.cdth_trk1;
return true;
}
int CDRomToc::readToc(FILE* file,int num,int& min,int& sec, int& frame) {
struct cdrom_tocentry tocent;
int fd=fileno(file);
tocent.cdte_track = num;
tocent.cdte_format = CDROM_MSF;
if (ioctl(fd, CDROMREADTOCENTRY, &tocent) == -1 ) {
perror("ioctl cdromreadtocentry");
return false;
}
min=tocent.cdte_addr.msf.minute;
sec=tocent.cdte_addr.msf.second;
frame=tocent.cdte_addr.msf.frame;
return true;
}
int CDRomToc::readLeadOut(FILE* file,int& min,int& sec, int& frame) {
struct cdrom_tocentry tocent;
int fd=fileno(file);
tocent.cdte_track = CDROM_LEADOUT;
tocent.cdte_format = CDROM_MSF;
if (ioctl(fd, CDROMREADTOCENTRY, &tocent) == -1 ) {
perror("ioctl cdromreadLeadoutn");
return false;
}
min=tocent.cdte_addr.msf.minute;
sec=tocent.cdte_addr.msf.second;
frame=tocent.cdte_addr.msf.frame;
return true;
}
int CDRomRawAccess::readDirect(int minute,int second, int frame) {
// this comes from smpeg
// smpeg is an mpeg I player from lokigames www.lokigames.com
struct cdrom_msf *msf;
int fd=fileno(cdfile);
msf = (struct cdrom_msf*) data;
msf->cdmsf_min0 = minute;
msf->cdmsf_sec0 = second;
msf->cdmsf_frame0 = frame;
if (ioctl(fd, CDROMREADMODE2, msf) == -1) {
perror("ioctl cdromreadmode2");
cout << "min:"<<minute
<< " sec:"<<second
<< " frame:"<<frame<<endl;
return false;
} else {
//cout << "read success ****************"<<endl;
}
char* subheader=data+sizeof(int);
if ((subheader[1]==1) &&
(((subheader[2]==0x62) &&
(subheader[3]==0x0f)) || ((subheader[2]==0x64) &&
(subheader[3]==0x7f)))) {
lData=true;
dataStart=sizeof(int)+4;
} else {
lData=false;
}
len=2324;
return true;
}
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