Oh I inadvertently commited some changes to cdvdGigaherz, but I missed a file. I'm not even sure the state that code was in, so it could just be plain broken, need to check it later.

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2852 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
gigaherz 2010-04-14 22:25:32 +00:00
parent 73142bb2f2
commit e170324d51
1 changed files with 214 additions and 0 deletions

View File

@ -0,0 +1,214 @@
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
#include "CDVD.h"
#pragma warning(disable:4200)
#pragma pack(1)
#include <winioctl.h>
#include "rosddk/ntddcdvd.h"
#include "rosddk/ntddcdrm.h"
#include "rosddk/ntddscsi.h"
#pragma warning(default:4200)
#include <stddef.h>
#include "ReaderModules.h"
#include "SectorConverters.h"
#include <string>
#define RETURN(v) {OpenOK=v; return;}
s32 PlainIso::Reopen()
{
if(fileSource)
{
delete fileSource;
fileSource = NULL;
}
OpenOK = false;
fileSource = new FileStream(fName);
tocCached = false;
mediaTypeCached = false;
discSizeCached = false;
layerBreakCached = false;
OpenOK=true;
return 0;
}
PlainIso::PlainIso(const char* fileName)
{
fileSource=NULL;
strcpy_s(fName,256,fileName);
Reopen();
}
PlainIso::~PlainIso()
{
if(fileSource && OpenOK)
{
delete fileSource;
}
}
s32 PlainIso::GetSectorCount()
{
int plain_sectors = 0;
if(discSizeCached)
return discSize;
s64 length = fileSource->getLength();
discSizeCached = true;
discSize = (s32)(length / 2048);
return discSize;
}
s32 PlainIso::GetLayerBreakAddress()
{
return 0;
}
s32 PlainIso::GetMediaType()
{
if(mediaTypeCached)
return mediaType;
// assume single layer DVD, for now
mediaTypeCached = true;
mediaType = 0;
return mediaType;
}
#define MKDESCRIPTOR(n,ses,ctr,adr,pt,me,se,fe,tm,ts,tf) \
ftd->Descriptors[n].SessionNumber = ses; \
ftd->Descriptors[n].Control = ctr; \
ftd->Descriptors[n].Adr = adr; \
ftd->Descriptors[n].Reserved1 = 0; \
ftd->Descriptors[n].Point = pt; \
ftd->Descriptors[n].MsfExtra[0] = me; \
ftd->Descriptors[n].MsfExtra[1] = se; \
ftd->Descriptors[n].MsfExtra[2] = fe; \
ftd->Descriptors[n].Zero = 0; \
ftd->Descriptors[n].Msf[0] = tm; \
ftd->Descriptors[n].Msf[1] = ts; \
ftd->Descriptors[n].Msf[2] = tf;
#define MSF_TO_LBA(m,s,f) ((m*60+s)*75+f-150)
#define LBA_TO_MSF(m,s,f,l) \
m = (l)/(75*60); \
s = (((l)/75)%60); \
f = ((l)%75);
s32 PlainIso::ReadTOC(char *toc,int msize)
{
DWORD size=0;
if(GetMediaType()>=0)
return -1;
if(!tocCached)
{
CDROM_TOC_FULL_TOC_DATA *ftd=(CDROM_TOC_FULL_TOC_DATA*)tocCacheData;
// Build basic TOC
int length = 6 * sizeof(ftd->Descriptors[0]) + 2;
ftd->Length[0] = length>>8;
ftd->Length[1] = length;
ftd->FirstCompleteSession=1;
ftd->LastCompleteSession=2;
int dm,ds,df;
LBA_TO_MSF(dm,ds,df,sector_count);
MKDESCRIPTOR(0,1,0x00,1,0xA0,0,0,0,1,0,0);
MKDESCRIPTOR(1,1,0x00,1,0xA1,0,0,0,1,0,0);
MKDESCRIPTOR(2,1,0x00,1,0xA2,0,0,0,dm,ds,df);
MKDESCRIPTOR(3,1,0x00,5,0xB0,0,0,0,0,0,0);
MKDESCRIPTOR(4,1,0x00,5,0xC0,0,0,0,0,0,0);
MKDESCRIPTOR(5,1,0x04,1,0x01,0,0,0,0,2,0);
tocCached = true;
}
memcpy(toc,tocCacheData,min(2048,msize));
return 0;
}
s32 PlainIso::ReadSectors2048(u32 sector, u32 count, char *buffer)
{
if(!OpenOK) return -1;
fileSource->seek(sector*(u64)2048);
s32 bytes = count * 2048;
s32 size = fileSource->read((byte*)buffer,bytes);
if(size!=bytes)
{
return -1;
}
return 0;
}
s32 PlainIso::ReadSectors2352(u32 sector, u32 count, char *buffer)
{
if(!OpenOK) return -1;
fileSource->seek(sector*(u64)2352);
for(uint i=0;i<count;i++)
{
s32 size = fileSource->read((byte*)sectorbuffer,2352);
if(size!=2352)
{
return -1;
}
Convert<2048,2352>(buffer+2048*i,sectorbuffer,sector+i);
}
return 0;
}
s32 PlainIso::DiscChanged()
{
DWORD size=0;
if(!OpenOK) return -1;
return 0;
}
s32 PlainIso::IsOK()
{
return OpenOK;
}
Reader* PlainIso::TryLoad(const char* fName)
{
std::string fileName = fName;
std::string::size_type pos = fileName.find_last_of('.');
if(pos == std::string::npos) // no "." found, error.
return NULL;
std::string extension = fileName.substr(pos);
if((extension.compare(".iso")!=0)&&
(extension.compare(".ISO")!=0)) // assume valid
return NULL;
return new PlainIso(fName);
}