//---------------------------------------------------------------------------
void Riff_AVI__hdrl_strl_indx::Read_Internal ()
{
//Filling
Global->AVI__hdrl_strl_indx_Pointers.insert(this);
//Reading
Read_Internal_ReadAllInBuffer();
//Parsing
int32u Entry_Count, ChunkId;
int16u LongsPerEntry;
int8u IndexType, IndexSubType;
Get_L2 (LongsPerEntry);
Get_L1 (IndexSubType);
Get_L1 (IndexType);
Get_L4 (Entry_Count);
Get_C4 (ChunkId);
//Integrity
if (LongsPerEntry!=4 || (IndexSubType&0xFE) || IndexType!=0x00 || 24+Entry_Count*16>Chunk.Content.Size)
throw exception_valid("hdrl_strl_indx form is not supported");
//Parsing
Skip_XX(12); //Reserved
for (int32u Pos=0; Pos<Entry_Count; Pos++)
{
int64u Offset;
Get_L8 (Offset);
Skip_XX(8); //Size + Duration
//Filling
Global->AVI__hdrl_strl_indx_In_Position_Indexes_List.push_back(Offset);
Global->AVI__movi___ix_WithFields[ChunkId]=(IndexSubType&0x01)?true:false;
}
}
//---------------------------------------------------------------------------
void File_Ogg::Header_Parse()
{
//Parsing
int64u absolute_granule_position;
int32u stream_serial_number, page_sequence_no;
int16u total_page_size;
int8u stream_structure_version, flags, page_segments, packet_lacing_value;
Skip_C4( "capture_pattern");
Get_L1 (stream_structure_version, "stream_structure_version");
Get_L1 (flags, "header_type_flag");
Get_Flags (flags, 0, continued, "continued packet");
Skip_Flags(flags, 1, "first page of logical bitstream (bos)");
Skip_Flags(flags, 2, "last page of logical bitstream (eos)");
Get_L8 (absolute_granule_position, "absolute granule position");
Get_L4 (stream_serial_number, "stream serial number");
Get_L4 (page_sequence_no, "page sequence no");
Skip_L4( "page checksum");
Get_L1 (page_segments, "page_segments");
total_page_size=0;
Chunk_Sizes.clear();
Chunk_Sizes.push_back(0);
for (int8u Pos=0; Pos<page_segments; Pos++)
{
Get_L1 (packet_lacing_value, "packet lacing value");
total_page_size+=packet_lacing_value;
Chunk_Sizes[Chunk_Sizes.size()-1]+=packet_lacing_value;
if (packet_lacing_value!=0xFF)
{
Chunk_Sizes.push_back(0);
Chunk_Sizes_Finnished=true;
}
else
Chunk_Sizes_Finnished=false;
}
if (Chunk_Sizes_Finnished)
Chunk_Sizes.resize(Chunk_Sizes.size()-1); //Keep out the last value
//Filling
Header_Fill_Size(27+page_segments+total_page_size);
Header_Fill_Code(stream_serial_number, Ztring::ToZtring(stream_serial_number, 16));
Stream[stream_serial_number].absolute_granule_position=absolute_granule_position;
}
//---------------------------------------------------------------------------
void File_Wm::Header_Parse()
{
if (!MustUseAlternativeParser)
{
//Parsing
int128u Name;
int64u Size;
Get_GUID(Name, "Name");
Get_L8 (Size, "Size");
//Filling
Header_Fill_Code(Name.hi, Ztring().From_GUID(Name));
Header_Fill_Size(Size);
}
else
{
Header_Fill_Code(0, "Packet");
Header_Fill_Size(MaximumDataPacketSize);
}
}
//---------------------------------------------------------------------------
void File_Ogg::Header_Parse()
{
//Specific case
if (SizedBlocks)
{
int16u Size;
Get_B2 (Size, "Size");
Chunk_Sizes.clear();
Chunk_Sizes.push_back(Size);
Header_Fill_Size(2+Size);
Header_Fill_Code(0, Ztring::ToZtring(0, 16));
return;
}
if (XiphLacing)
{
if (Chunk_Sizes.empty())
{
int8u CountMinus1;
Get_B1 (CountMinus1, "Number of frames minus one");
int64u UsedSize=0;
for (size_t Pos=0; Pos<CountMinus1; Pos++)
{
int32u Size=0;
int8u Size8;
do
{
Get_B1 (Size8, "Size");
Size+=Size8;
}
while (Size8==0xFF);
Param_Info1(Size);
Chunk_Sizes.push_back(Size);
UsedSize+=Size;
}
Chunk_Sizes.push_back((size_t)(Element_Size-UsedSize-1));
}
Header_Fill_Size(Element_Size);
Header_Fill_Code(0, Ztring::ToZtring(0, 16));
return;
}
//Parsing
int64u absolute_granule_position;
int32u stream_serial_number, page_sequence_no;
int16u total_page_size;
int8u stream_structure_version, flags, page_segments, packet_lacing_value;
Skip_C4( "capture_pattern");
Get_L1 (stream_structure_version, "stream_structure_version");
Get_L1 (flags, "header_type_flag");
Get_Flags (flags, 0, continued, "continued packet");
Skip_Flags(flags, 1, "first page of logical bitstream (bos)");
Get_Flags (flags, 2, eos, "last page of logical bitstream (eos)");
Get_L8 (absolute_granule_position, "absolute granule position");
Get_L4 (stream_serial_number, "stream serial number");
Get_L4 (page_sequence_no, "page sequence no");
Skip_L4( "page checksum");
Get_L1 (page_segments, "page_segments");
total_page_size=0;
Chunk_Sizes.clear();
Chunk_Sizes.push_back(0);
for (int8u Pos=0; Pos<page_segments; Pos++)
{
Get_L1 (packet_lacing_value, "packet lacing value");
total_page_size+=packet_lacing_value;
Chunk_Sizes[Chunk_Sizes.size()-1]+=packet_lacing_value;
if (packet_lacing_value!=0xFF)
{
Chunk_Sizes.push_back(0);
Chunk_Sizes_Finished=true;
}
else
Chunk_Sizes_Finished=false;
}
if (Chunk_Sizes_Finished)
Chunk_Sizes.resize(Chunk_Sizes.size()-1); //Keep out the last value
//Filling
Header_Fill_Size(27+page_segments+total_page_size);
Header_Fill_Code(stream_serial_number, Ztring::ToZtring(stream_serial_number, 16));
Stream[stream_serial_number].absolute_granule_position=absolute_granule_position;
}
