Difference between revisions of "Anri-chan/Source/pgccount.cpp"
From SDA Knowledge Base
Ballofsnow (Talk | contribs) (0.2 - Fixed creation of blank pgclist.txt when no parameters given.) |
(ooops - left my aborted stdout switch in the usage function) |
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| (2 intermediate revisions by 2 users not shown) | |||
| Line 5: | Line 5: | ||
author: ballofsnow | author: ballofsnow | ||
| − | date: | + | date: 11 November 2007 |
license: none (public domain) | license: none (public domain) | ||
target: win32 (MINGW), recommend using the free IDE from bloodshed.net | target: win32 (MINGW), recommend using the free IDE from bloodshed.net | ||
| − | version: beta 0. | + | version: beta 0.4 |
*/ | */ | ||
| Line 36: | Line 36: | ||
int curpgc=0; | int curpgc=0; | ||
| − | + | //cout << "PGC count v0.4, ballofsnow" << endl; | |
if (argc==1) { | if (argc==1) { | ||
usage(argv[0]); | usage(argv[0]); | ||
| Line 42: | Line 42: | ||
} | } | ||
| + | ostream& pgclist = cout; | ||
| + | |||
for (int p=1;p<argc;p++) { | for (int p=1;p<argc;p++) { | ||
/* LOAD AND VALIDATE THE IFO */ | /* LOAD AND VALIDATE THE IFO */ | ||
| Line 47: | Line 49: | ||
//cout << argv[p] << endl; | //cout << argv[p] << endl; | ||
if ((ifo=fopen(ifoname,"rb"))==NULL) { | if ((ifo=fopen(ifoname,"rb"))==NULL) { | ||
| − | + | cerr << "Failed to open IFO file " << ifoname << endl; | |
return -1; | return -1; | ||
} | } | ||
fread(buffer,1,1024*1024,ifo); | fread(buffer,1,1024*1024,ifo); | ||
if (memcmp(checkifo,buffer,12) != 0) { | if (memcmp(checkifo,buffer,12) != 0) { | ||
| − | + | cerr << "This isn't an IFO file." << endl; | |
free(buffer); | free(buffer); | ||
fclose(ifo); | fclose(ifo); | ||
| Line 59: | Line 61: | ||
} | } | ||
/* FINISHED VALIDATING */ | /* FINISHED VALIDATING */ | ||
| − | + | ||
| − | + | ||
| − | + | ||
goodpgcs=1; | goodpgcs=1; | ||
pgctotal=buffer[pgctable]*0x100+buffer[pgctable+1]; | pgctotal=buffer[pgctable]*0x100+buffer[pgctable+1]; | ||
| Line 88: | Line 88: | ||
} | } | ||
free(buffer); // ifo buffer | free(buffer); // ifo buffer | ||
| − | fclose(ifo); | + | fclose(ifo); |
| − | + | } | |
| − | } | + | //cout << "pgclist.txt created successfully." << endl; |
| − | + | ||
return 0; | return 0; | ||
} | } | ||
void usage(char *argv0) { | void usage(char *argv0) { | ||
| − | + | cerr << "Usage: " << argv0 << " <VTS IFO file> [VTS IFO file] ... " << endl; | |
| − | + | cerr << "Creates number list of unique program chains in pgclist.txt." << endl; | |
} | } | ||
</nowiki></pre> | </nowiki></pre> | ||
Latest revision as of 22:20, 26 August 2008
/*
Creates number list of unique program chains in pgclist.txt.
author: ballofsnow
date: 11 November 2007
license: none (public domain)
target: win32 (MINGW), recommend using the free IDE from bloodshed.net
version: beta 0.4
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fstream>
#include <iostream>
using namespace std;
void usage(char *argv0);
unsigned char checkifo[12]= { 0x44, 0x56, 0x44, 0x56, 0x49, 0x44, 0x45, 0x4F, 0x2D, 0x56, 0x54, 0x53 }; /* DVDVIDEO-VTS */
unsigned char buffer[1024*1024];
int main (int argc, char **argv) {
FILE *ifo;
char *ifoname=NULL;
int pgctable=0x1000;
int pgctotal;
unsigned long sectors[1024]; // obscene, I know.
unsigned long pgcstart;
unsigned long cellsector;
int goodpgcs;
int cellstart;
int flag;
int curpgc=0;
//cout << "PGC count v0.4, ballofsnow" << endl;
if (argc==1) {
usage(argv[0]);
return -1;
}
ostream& pgclist = cout;
for (int p=1;p<argc;p++) {
/* LOAD AND VALIDATE THE IFO */
ifoname=argv[p];
//cout << argv[p] << endl;
if ((ifo=fopen(ifoname,"rb"))==NULL) {
cerr << "Failed to open IFO file " << ifoname << endl;
return -1;
}
fread(buffer,1,1024*1024,ifo);
if (memcmp(checkifo,buffer,12) != 0) {
cerr << "This isn't an IFO file." << endl;
free(buffer);
fclose(ifo);
usage(argv[0]);
return -1;
}
/* FINISHED VALIDATING */
goodpgcs=1;
pgctotal=buffer[pgctable]*0x100+buffer[pgctable+1];
for (int i=1; i<=pgctotal; i++) {
/* Get PGC start byte */
pgcstart=buffer[pgctable+i*8+4]*0x1000000+buffer[pgctable+i*8+5]*0x10000+buffer[pgctable+i*8+6]*0x100+buffer[pgctable+i*8+7];
cellstart=buffer[pgctable+pgcstart+0xE8]*0x100+buffer[pgctable+pgcstart+0xE9]+8;
cellsector=buffer[pgctable+pgcstart+cellstart+0]*0x1000000+buffer[pgctable+pgcstart+cellstart+1]*0x10000+buffer[pgctable+pgcstart+cellstart+2]*0x100+buffer[pgctable+pgcstart+cellstart+3];
//cout << pgcstart << endl;
//cout << cellstart << endl;
//cout << cellsector << endl << endl;
curpgc++;
flag=0;
for (int a=0; a<goodpgcs-1; a++) {
if (cellsector==sectors[a]) {
flag=1;
break;
}
}
if (flag==0) {
sectors[goodpgcs-1]=cellsector;
goodpgcs++;
//cout << "curpgc: " << curpgc << endl;
pgclist << curpgc << "," << argv[p] << endl;
}
}
free(buffer); // ifo buffer
fclose(ifo);
}
//cout << "pgclist.txt created successfully." << endl;
return 0;
}
void usage(char *argv0) {
cerr << "Usage: " << argv0 << " <VTS IFO file> [VTS IFO file] ... " << endl;
cerr << "Creates number list of unique program chains in pgclist.txt." << endl;
}
