//---------------------------------------------------------------------------
void File_Cdxa::FileHeader_Parse()
{
//Parsing
Skip_C4( "RIFF header");
Skip_L4( "RIFF data size");
Skip_C4( "CDXA");
Skip_C4( "fmt header");
Skip_L4( "fmt size");
Skip_L2( "user_id");
Skip_L2( "group_id");
Skip_L2( "attributes");
Skip_C2( "xa_signature");
Skip_L4( "xa_track_number");
Skip_L4( "reserved");
Skip_C4( "data header");
Skip_L4( "data size");
FILLING_BEGIN();
Accept("CDXA");
MI=new MediaInfo_Internal;
MI->Option(_T("FormatDetection_MaximumOffset"), _T("1048576"));
//MI->Option(_T("File_IsSub"), _T("1"));
MI->Open_Buffer_Init(File_Size, File_Offset+Buffer_Offset);
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Nut::stream()
{
Element_Name("stream");
//Parsing
int64u stream_class, fourcc_length, codec_specific_data_length;
Skip_VS( "stream_id");
Get_VS (stream_class, "stream_class");
Get_VS (fourcc_length, "fourcc length");
switch (fourcc_length)
{
case 2 : Skip_C2( "fourcc"); break;
case 4 : Skip_C4( "fourcc"); break;
default: Skip_XX(fourcc_length, "fourcc");
}
Skip_VS( "time_base_id");
Skip_VS( "msb_pts_shift");
Skip_VS( "max_pts_distance");
Skip_VS( "decode_delay");
Skip_VS( "stream_flags");
Get_VS (codec_specific_data_length, "codec_specific_data length");
Skip_XX(codec_specific_data_length, "codec_specific_data");
switch (stream_class)
{
case 0 : //video
{
Skip_VS( "width");
Skip_VS( "height");
Skip_VS( "sample_width");
Skip_VS( "sample_height");
Skip_VS( "colorspace_type");
}
break;
case 1 : //audio
{
Skip_VS( "samplerate_num");
Skip_VS( "samplerate_denom");
Skip_VS( "channel_count");
}
break;
case 2 : //subtitles
{
}
break;
case 3 : //userdata
{
}
break;
default: ;
}
if (Element_Offset!=Element_Size)
Skip_XX(Element_Size - Element_Offset, "Data");
}
//---------------------------------------------------------------------------
void File_Bmp::Read_Buffer_Continue()
{
//Parsing
int32u Size, DIB_Size, Offset;
Element_Begin1("File header");
Skip_C2( "Magic");
Get_L4 (Size, "Size");
Skip_L2( "Reserved");
Skip_L2( "Reserved");
Get_L4 (Offset, "Offset of data");
Element_End0();
FILLING_BEGIN();
if (Size!=(int32u)-1 && Size!=File_Size)
{
Reject("BMP");
return;
}
Accept("BMP");
Fill(Stream_General, 0, General_Format, "Bitmap");
Stream_Prepare(Stream_Image);
FILLING_END();
Element_Begin1("DIB header");
Peek_L4 (DIB_Size);
switch (DIB_Size)
{
case 12 : BitmapCoreHeader(1); break;
case 40 : BitmapInfoHeader(1); break;
case 52 : BitmapInfoHeader(2); break;
case 56 : BitmapInfoHeader(3); break;
case 64 : BitmapCoreHeader(2); break;
case 108 : BitmapInfoHeader(4); break;
case 124 : BitmapInfoHeader(5); break;
default : if (DIB_Size>124)
{
BitmapInfoHeader((int8u)-1); //Future versions of BitmapInfoHeader (OS/2 is abandonned)
Skip_XX(14+124-Element_Offset, "Unknown");
}
}
Element_End0();
if (Element_Offset<Offset)
Skip_XX(Offset-Element_Offset, "Other header data");
Skip_XX(File_Size-Offset, "Image data");
//No need of more
Finish("BMP");
}
//---------------------------------------------------------------------------
void File_Bmp::Read_Buffer_Continue()
{
//Parsing
int32u Size, DIB_Size, Offset;
Element_Begin("File header", 14);
Skip_C2( "Magic");
Get_L4 (Size, "Size");
Skip_L2( "Reserved");
Skip_L2( "Reserved");
Get_L4 (Offset, "Offset of data");
Element_End();
FILLING_BEGIN();
if (Size!=File_Size)
{
Reject("BMP");
return;
}
Accept("BMP");
Fill(Stream_General, 0, General_Format, "Bitmap");
Stream_Prepare(Stream_Image);
FILLING_END();
Element_Begin("DIB header");
Peek_L4 (DIB_Size);
switch (DIB_Size)
{
case 12 : Skip_XX(DIB_Size-4, "OS/2 v1 header"); break;
case 40 : BitmapInfoHeader(); break;
case 52 : Skip_XX(DIB_Size-4, "BitmapV2Header"); break;
case 56 : Skip_XX(DIB_Size-4, "BitmapV3Header"); break;
case 64 : Skip_XX(DIB_Size-4, "OS/2 v2 header"); break;
case 108 : BitmapV4Header(); break;
case 124 : Skip_XX(DIB_Size-4, "BitmapV5Header"); break;
default : Skip_XX(DIB_Size-4, "Unknown header");
;
}
Element_End();
Skip_XX(Offset-Element_Offset, "Color palette");
Skip_XX(Element_Size-Offset, "Bitmap data");
//No need of more
Finish("BMP");
}
//---------------------------------------------------------------------------
// RIFF Header, 44 bytes
// RIFF header 4 bytes, Pos=0
// RIFF data size 4 bytes, Pos=4
// Format (CDXA) 4 bytes, Pos=8
// Format Header 4 bytes, Pos=12
// Format Size 4 bytes, Pos=16
// Format user_id 2 bytes, Pos=20
// Format group_id 2 bytes, Pos=22
// Format attributes 2 bytes, Pos=24
// Format xa_signature 2 bytes, Pos=26 ("XA")
// Format xa_track_number 4 bytes, Pos=28
// Format Reserved 4 bytes, Pos=32
// Data Header 4 bytes, Pos=36
// Data Size 4 bytes, Pos=40
//
// Attributes (big endian):
// 15 Directory
// 14 CDDA
// 13 Interleaved
// 12 Mode2Form2 --> 2324 bytes/block
// 11 Mode2Form1 --> 2048 bytes/block
// 10 Exec_Other
// 09 Reserved
// 08 Read_Other
// 07 Reserved
// 06 Exec_Group
// 05 Reserved
// 04 Read_Group
// 03 Reserved
// 02 Exec_User
// 01 Reserved
// 00 Read_User
//
void File_Cdxa::FileHeader_Parse()
{
//Parsing
if ( CC4(Buffer+Buffer_Offset+0x00)!=CC4("RIFF")
|| LittleEndian2int32u(Buffer+Buffer_Offset+0x04)!=LittleEndian2int32u(Buffer+Buffer_Offset+0x28)+0x24 //Sizes of chunks
|| CC4(Buffer+Buffer_Offset+0x08)!=CC4("CDXA")
|| CC4(Buffer+Buffer_Offset+0x0C)!=CC4("fmt ")
|| LittleEndian2int32u(Buffer+Buffer_Offset+0x10)!=0x10
|| CC4(Buffer+Buffer_Offset+0x24)!=CC4("data")
)
{
Finnished();
return;
}
//Parsing
Element_Begin("CDXA header");
Skip_C4( "RIFF header");
Skip_L4( "RIFF data size");
Skip_C4( "CDXA");
Skip_C4( "fmt header");
Skip_L4( "fmt size");
Skip_L2( "user_id");
Skip_L2( "group_id");
Skip_L2( "attributes");
Skip_C2( "xa_signature");
Skip_L4( "xa_track_number");
Skip_L4( "reserved");
Skip_C4( "data header");
Skip_L4( "data size");
Element_End();
FILLING_BEGIN();
if (MI==NULL)
MI=new MediaInfo;
Stream_Prepare(Stream_General);
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Cdxa::FileHeader_Parse()
{
//Parsing
Skip_C4( "RIFF header");
Skip_L4( "RIFF data size");
Skip_C4( "CDXA");
Skip_C4( "fmt header");
Skip_L4( "fmt size");
Skip_L2( "user_id");
Skip_L2( "group_id");
Skip_L2( "attributes");
Skip_C2( "xa_signature");
Skip_L4( "xa_track_number");
Skip_L4( "reserved");
Skip_C4( "data header");
Skip_L4( "data size");
FILLING_BEGIN();
MI=new MediaInfo_Internal;
MI->Option(_T("FormatDetection_MaximumOffset"), _T("1048576"));
Stream_Prepare(Stream_General);
Accept("CDXA");
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Mz::Read_Buffer_Continue()
{
//Parsing
int32u lfanew;
Element_Begin("MZ");
Skip_C2( "magic");
Skip_L2( "cblp");
Skip_L2( "cp");
Skip_L2( "crlc");
Skip_L2( "cparhdr");
Skip_L2( "minalloc");
Skip_L2( "maxalloc");
Skip_L2( "ss");
Skip_L2( "sp");
Skip_L2( "csum");
Skip_L2( "ip");
Skip_L2( "cs");
Skip_L2( "lsarlc");
Skip_L2( "ovno");
Skip_L2( "res");
Skip_L2( "res");
Skip_L2( "res");
Skip_L2( "res");
Skip_L2( "oemid");
Skip_L2( "oeminfo");
Skip_L2( "res2");
Skip_L2( "res2");
Skip_L2( "res2");
Skip_L2( "res2");
Skip_L2( "res2");
Skip_L2( "res2");
Skip_L2( "res2");
Skip_L2( "res2");
Skip_L2( "res2");
Skip_L2( "res2");
Get_L4 (lfanew, "lfanew");
//Computing
if (lfanew>Element_Offset)
{
Skip_XX(lfanew-Element_Offset, "MZ data");
Element_End();
}
if (Element_Offset>lfanew)
{
Element_End();
Element_Offset=lfanew; //Multi usage off the first bytes
}
//Parsing
int32u Signature, TimeDateStamp=0;
int16u Machine=0, Characteristics=0;
Peek_B4(Signature);
if (Signature==0x50450000) //"PE"
{
Element_Begin("PE");
Skip_C4( "Header");
Get_L2 (Machine, "Machine"); Param_Info(Mz_Machine(Machine));
Skip_L2( "NumberOfSections");
Get_L4 (TimeDateStamp, "TimeDateStamp"); Param_Info(Ztring().Date_From_Seconds_1970(TimeDateStamp));
Skip_L4( "PointerToSymbolTable");
Skip_L4( "NumberOfSymbols");
Skip_L2( "SizeOfOptionalHeader");
Get_L2 (Characteristics, "Characteristics");
Element_End("PE");
}
FILLING_BEGIN();
Accept("MZ");
Fill(Stream_General, 0, General_Format, "MZ");
if (Characteristics&0x2000)
Fill(Stream_General, 0, General_Format_Profile, "DLL");
else if (Characteristics&0x0002)
Fill(Stream_General, 0, General_Format_Profile, "Executable");
Fill(Stream_General, 0, General_Format_Profile, Mz_Machine(Machine));
if (TimeDateStamp)
Fill(Stream_General, 0, General_Encoded_Date, Ztring().Date_From_Seconds_1970(TimeDateStamp));
//No more need data
Finish("MZ");
FILLING_END();
}
