mirror of https://github.com/PCSX2/pcsx2.git
150 lines
3.1 KiB
C++
150 lines
3.1 KiB
C++
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#include "CDVD.h"
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toc_data cdtoc;
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s32 cdvdParseTOC()
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{
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memset(&cdtoc,0,sizeof(cdtoc));
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s32 len = src->GetSectorCount();
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tracks[0].length = len;
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tracks[0].start_lba=0;
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tracks[0].type=0;
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tracks[1].start_lba=0;
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if(len<=0)
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{
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curDiskType=CDVD_TYPE_NODISC;
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tracks[0].length=0;
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strack=1;
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etrack=0;
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return 0;
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}
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s32 lastaddr = src->GetLayerBreakAddress();
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if(lastaddr>=0)
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{
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if((lastaddr > 0)&&(tracks[0].length>lastaddr))
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{
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tracks[1].length=lastaddr+1;
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tracks[1].type=0;
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tracks[2].start_lba = tracks[1].length;
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tracks[2].length = tracks[0].length-tracks[1].length;
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tracks[2].type=0;
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strack=1;
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etrack=2;
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}
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else
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{
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tracks[1].length=tracks[0].length;
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tracks[1].type=0;
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strack=1;
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etrack=1;
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}
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}
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else
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{
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u8 min, sec, frm;
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if(src->ReadTOC((char*)&cdtoc,sizeof(cdtoc))<0)
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{
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/*
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printf(" * CDVD: WARNING ReadTOC() failed, trying to use MCI instead...\n");
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delete src;
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int status = MCI_CDGetTOC(source_drive);
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src=new SOURCECLASS(csrc);
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if(status<0)*/
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return -1;
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//return 0;
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}
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#define btoi(b) ((b>>4)*10+(b&0xF))
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int length = (cdtoc.Length[0]<<8) | cdtoc.Length[1];
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int descriptors = length/sizeof(cdtoc.Descriptors[0]);
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for(int i=0;i<descriptors;i++)
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{
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switch(cdtoc.Descriptors[i].Point)
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{
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case 0xa0:
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if(cdtoc.Descriptors[i].SessionNumber==cdtoc.FirstCompleteSession)
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{
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strack = cdtoc.Descriptors[i].Msf[0];
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}
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break;
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case 0xa1:
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if(cdtoc.Descriptors[i].SessionNumber==cdtoc.LastCompleteSession)
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{
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etrack = cdtoc.Descriptors[i].Msf[0];
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}
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break;
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case 0xa2: // session size
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if(cdtoc.Descriptors[i].SessionNumber==cdtoc.LastCompleteSession)
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{
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min=cdtoc.Descriptors[i].Msf[0];
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sec=cdtoc.Descriptors[i].Msf[1];
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frm=cdtoc.Descriptors[i].Msf[2];
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tracks[0].length = MSF_TO_LBA(min,sec,frm);
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tracks[0].type = 0;
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}
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break;
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case 0xb0:
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break;
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case 0xb1:
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break;
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case 0xb2:
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break;
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case 0xc0:
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break;
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default:
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if((cdtoc.Descriptors[i].Point<100)&&(cdtoc.Descriptors[i].Point>0))
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{
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int tn=cdtoc.Descriptors[i].Point;
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min=cdtoc.Descriptors[i].Msf[0];
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sec=cdtoc.Descriptors[i].Msf[1];
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frm=cdtoc.Descriptors[i].Msf[2];
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tracks[tn].start_lba = MSF_TO_LBA(min,sec,frm);
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if(tn>1)
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tracks[tn-1].length = tracks[tn].start_lba - tracks[tn-1].start_lba;
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if((cdtoc.Descriptors[i].Control&4)==0)
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{
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tracks[tn].type = 1;
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}
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else if((cdtoc.Descriptors[i].Control&0xE)==4)
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{
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tracks[tn].type = CDVD_MODE1_TRACK;
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}
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else
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{
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tracks[tn].type = CDVD_MODE1_TRACK;
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}
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fprintf(stderr,"Track %d: %d mins %d secs %d frames\n",tn,min,sec,frm);
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}
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else if(cdtoc.Descriptors[i].Point>0)
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{
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printf("Found code 0x%02x\n",cdtoc.Descriptors[i].Point);
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}
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break;
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}
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}
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tracks[etrack].length = tracks[0].length - tracks[etrack].start_lba;
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}
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return 0;
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}
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