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Allow to handle larger files via 64bit variables

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Filip Gawin 2020-11-03 18:00:10 +01:00 committed by shfil
parent 8614f68620
commit f442793d20
3 changed files with 11 additions and 2 deletions
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9
src/core/CdStream.cpp
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@ -242,8 +242,15 @@ CdStreamRead(int32 channel, void *buffer, uint32 offset, uint32 size)
else else
return STREAM_SUCCESS; return STREAM_SUCCESS;
} }
#ifdef BIG_IMG
LARGE_INTEGER liDistanceToMove;
liDistanceToMove.QuadPart = _GET_OFFSET(offset);
liDistanceToMove.QuadPart *= CDSTREAM_SECTOR_SIZE;
SetFilePointerEx(hImage, liDistanceToMove, nil, FILE_BEGIN);
#else
SetFilePointer(hImage, _GET_OFFSET(offset) * CDSTREAM_SECTOR_SIZE, nil, FILE_BEGIN); SetFilePointer(hImage, _GET_OFFSET(offset) * CDSTREAM_SECTOR_SIZE, nil, FILE_BEGIN);
#endif
DWORD NumberOfBytesRead; DWORD NumberOfBytesRead;

2
src/core/CdStreamPosix.cpp
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@ -429,7 +429,7 @@ void *CdStreamThread(void *param)
ASSERT(pChannel->hFile >= 0); ASSERT(pChannel->hFile >= 0);
ASSERT(pChannel->pBuffer != nil ); ASSERT(pChannel->pBuffer != nil );
lseek(pChannel->hFile, pChannel->nSectorOffset * CDSTREAM_SECTOR_SIZE, SEEK_SET); lseek(pChannel->hFile, (size_t)pChannel->nSectorOffset * (size_t)CDSTREAM_SECTOR_SIZE, SEEK_SET);
if (read(pChannel->hFile, pChannel->pBuffer, pChannel->nSectorsToRead * CDSTREAM_SECTOR_SIZE) == -1) { if (read(pChannel->hFile, pChannel->pBuffer, pChannel->nSectorsToRead * CDSTREAM_SECTOR_SIZE) == -1) {
// pChannel->nSectorsToRead == 0 at this point means we wanted to flush channel // pChannel->nSectorsToRead == 0 at this point means we wanted to flush channel
// STREAM_WAITING is a little hack to make CStreaming not process this data // STREAM_WAITING is a little hack to make CStreaming not process this data

2
src/core/config.h
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@ -326,6 +326,8 @@ enum Config {
#endif #endif
//#define PS2_AUDIO // changes audio paths for cutscenes and radio to PS2 paths, needs vbdec to support VB with MSS //#define PS2_AUDIO // changes audio paths for cutscenes and radio to PS2 paths, needs vbdec to support VB with MSS
// IMG
#define BIG_IMG // allows to read larger img files
//#define SQUEEZE_PERFORMANCE //#define SQUEEZE_PERFORMANCE
#ifdef SQUEEZE_PERFORMANCE #ifdef SQUEEZE_PERFORMANCE