//---------------------------------------------------------------------------
bool File_Cdxa::Synchronize()
{
//Synchronizing
while ( Buffer_Offset+2352*3+12<=Buffer_Size
&& !(CC8(Buffer+Buffer_Offset+2352*0)==0x00FFFFFFFFFFFFFFLL && CC4(Buffer+Buffer_Offset+2352*0+8)==0xFFFFFF00
&& CC8(Buffer+Buffer_Offset+2352*1)==0x00FFFFFFFFFFFFFFLL && CC4(Buffer+Buffer_Offset+2352*1+8)==0xFFFFFF00
&& CC8(Buffer+Buffer_Offset+2352*2)==0x00FFFFFFFFFFFFFFLL && CC4(Buffer+Buffer_Offset+2352*2+8)==0xFFFFFF00
&& CC8(Buffer+Buffer_Offset+2352*3)==0x00FFFFFFFFFFFFFFLL && CC4(Buffer+Buffer_Offset+2352*3+8)==0xFFFFFF00))
Buffer_Offset++;
if (Buffer_Offset+2352*3+12>Buffer_Size)
return false;
//Synched is OK
return true;
}
//---------------------------------------------------------------------------
bool File_ExtendedModule::FileHeader_Begin()
{
//Element_Size
if (Buffer_Size<38)
return false; //Must wait for more data
if (CC8(Buffer)!=0x457874656E646564LL || CC8(Buffer+8)!=0x204D6F64756C653ALL //"Extended Module: "
|| CC1(Buffer+16)!=0x20 || CC1(Buffer+37)!=0x1A)
{
Reject("Extended Module");
return false;
}
//All should be OK...
return true;
}
//---------------------------------------------------------------------------
bool File_Cdxa::Synched_Test()
{
//Must have enough buffer for having header
if (Buffer_Offset+12>Buffer_Size)
return false;
//Quick test of synchro
if (!(CC8(Buffer+Buffer_Offset)==0x00FFFFFFFFFFFFFFLL && CC4(Buffer+Buffer_Offset+8)==0xFFFFFF00))
Synched=false;
//We continue
return true;
}
//---------------------------------------------------------------------------
bool File_N19::FileHeader_Begin()
{
//Element_Size
if (Buffer_Size<11)
return false; //Must wait for more data
int64u DiskFormatCode=CC8(Buffer+3);
if (DiskFormatCode!=0x53544C32352E3031LL
&& DiskFormatCode!=0x53544C33302E3031LL)
{
Reject("N19");
return false;
}
//All should be OK...
return true;
}
//---------------------------------------------------------------------------
bool File_Cdxa::Header_Begin()
{
//Must have enough buffer for having header
if (Buffer_Offset+12>Buffer_Size)
return false;
//Quick test of synchro
if (Synched && !(CC8(Buffer+Buffer_Offset)==0x00FFFFFFFFFFFFFFLL && CC4(Buffer+Buffer_Offset+8)==0xFFFFFF00))
{
Trusted_IsNot("CDXA, Synchronisation lost");
Synched=false;
}
//Synchro
if (!Synched && !Synchronize())
return false;
//All should be OK...
return true;
}
//---------------------------------------------------------------------------
void File_ApeTag::Header_Parse()
{
//Testing if begin or end of tags
if (CC8(Buffer+Buffer_Offset)==0x4150455441474558LL) //"APETAGEX"
{
//Filling
Header_Fill_Code((int64u)-1, "File Footer");
Header_Fill_Size(0x20);
return;
}
//Parsing
Ztring Value;
int32u Flags, Length;
Get_L4 (Length, "Length");
Get_L4 (Flags, "Flags");
Skip_Flags(Flags, 0, "Read Only");
Skip_Flags(Flags, 1, "Binary");
Skip_Flags(Flags, 2, "Locator of external stored information");
Skip_Flags(Flags, 29, "Is the header");
Skip_Flags(Flags, 30, "Contains a footer");
Skip_Flags(Flags, 31, "Contains a header");
size_t Pos=(size_t)Element_Offset;
for (; Pos<Element_Size; Pos++)
if (Buffer[Buffer_Offset+Pos]==0x00)
break;
if (Pos==Element_Size)
{
Element_WaitForMoreData();
return;
}
Get_String(Pos-Element_Offset, Key, "Key");
Skip_L1( "0x00");
//Filling
Header_Fill_Code(0, Key.c_str());
Header_Fill_Size(Element_Offset+Length);
}
