// based on florin's CDVDbin detection code :)
// Parameter:
//
//
// Returns true if the image is valid/known/supported, or false if not (type == ISOTYPE_ILLEGAL).
bool isoFile::Detect( bool readType )
{
char buf[32];
m_type = ISOTYPE_ILLEGAL;
_IsoPart& headpart( m_parts[0] );
headpart.Seek( 0 );
headpart.Read( buf, 4 );
if (strncmp(buf, "BDV2", 4) == 0)
{
m_flags = ISOFLAGS_BLOCKDUMP_V2;
headpart.Read(m_blocksize);
headpart.Read(m_blocks);
headpart.Read(m_blockofs);
if (readType)
{
_ReadDtable();
return detect();
}
return true;
}
// First sanity check: no sane CD image has less than 16 sectors, since that's what
// we need simply to contain a TOC. So if the file size is not large enough to
// accommodate that, it is NOT a CD image --->
wxFileOffset size = headpart.handle->GetLength();
if (size < (2048 * 16)) return false;
m_blocks = 16;
if (tryIsoType(2048, 0, 24)) return true; // ISO 2048
if (tryIsoType(2336, 0, 16)) return true; // RAW 2336
if (tryIsoType(2352, 0, 0)) return true; // RAW 2352
if (tryIsoType(2448, 0, 0)) return true; // RAWQ 2448
if (tryIsoType(2048, 150 * 2048, 24)) return true; // NERO ISO 2048
if (tryIsoType(2352, 150 * 2048, 0)) return true; // NERO RAW 2352
if (tryIsoType(2448, 150 * 2048, 0)) return true; // NERO RAWQ 2448
if (tryIsoType(2048, -8, 24)) return true; // ISO 2048
if (tryIsoType(2352, -8, 0)) return true; // RAW 2352
if (tryIsoType(2448, -8, 0)) return true; // RAWQ 2448
m_offset = 0;
m_blocksize = CD_FRAMESIZE_RAW;
m_blockofs = 0;
m_type = ISOTYPE_AUDIO;
//BUG: This also detects a memory-card-file as a valid Audio-CD ISO... -avih
return true;
}
// based on florin's CDVDbin detection code :)
// Parameter:
//
//
// Returns true if the image is valid/known/supported, or false if not (type == ISOTYPE_ILLEGAL).
bool InputIsoFile::Detect( bool readType )
{
m_type = ISOTYPE_ILLEGAL;
AsyncFileReader* headpart = m_reader;
// First sanity check: no sane CD image has less than 16 sectors, since that's what
// we need simply to contain a TOC. So if the file size is not large enough to
// accommodate that, it is NOT a CD image --->
int sectors = headpart->GetBlockCount();
if (sectors < 17)
return false;
m_blocks = 17;
if (tryIsoType(2048, 0, 24)) return true; // ISO 2048
if (tryIsoType(2336, 0, 16)) return true; // RAW 2336
if (tryIsoType(2352, 0, 0)) return true; // RAW 2352
if (tryIsoType(2448, 0, 0)) return true; // RAWQ 2448
if (tryIsoType(2048, 150 * 2048, 24)) return true; // NERO ISO 2048
if (tryIsoType(2352, 150 * 2048, 0)) return true; // NERO RAW 2352
if (tryIsoType(2448, 150 * 2048, 0)) return true; // NERO RAWQ 2448
if (tryIsoType(2048, -8, 24)) return true; // ISO 2048
if (tryIsoType(2352, -8, 0)) return true; // RAW 2352
if (tryIsoType(2448, -8, 0)) return true; // RAWQ 2448
m_offset = 0;
m_blocksize = CD_FRAMESIZE_RAW;
m_blockofs = 0;
m_type = ISOTYPE_AUDIO;
m_reader->SetDataOffset(m_offset);
m_reader->SetBlockSize(m_blocksize);
//BUG: This also detects a memory-card-file as a valid Audio-CD ISO... -avih
return true;
}
