grk::SOTMarker Class Reference

#include <SOTMarker.h>

Public Member Functions
	SOTMarker (void)
bool	write (TileProcessor *proc, uint32_t tileLength)
	Writes the SOT marker (Start of tile-part) More...
bool	write_psot (IBufferedStream *stream, uint32_t tileLength)
bool	read (CodeStreamDecompress *codeStream, uint8_t *headerData, uint16_t header_size)
	Decompress a SOT marker (Start of tile-part) More...

Private Member Functions
bool	read (CodeStreamDecompress *codeStream, uint8_t *headerData, uint32_t header_size, uint32_t *p_tot_len, uint8_t *p_current_part, uint8_t *p_num_parts)
	Reads values from a SOT marker (Start of tile-part) More...

Private Attributes
uint64_t	m_psot_location

Constructor & Destructor Documentation

SOTMarker()

grk::SOTMarker::SOTMarker

(

void

)

Member Function Documentation

read() [1/2]

bool grk::SOTMarker::read	(	CodeStreamDecompress *	codeStream,
		uint8_t *	headerData,
		uint16_t	header_size
	)

Decompress a SOT marker (Start of tile-part)

Parameters

headerData	the data contained in the SOT marker.
header_size	the size of the data contained in the PPT marker.

References grk::CodeStream::currentProcessor(), grk::DECOMPRESS_STATE_TPH, grk::CodeStreamDecompress::getCodeStreamInfo(), grk::CodeStream::getCodingParams(), grk::CodeStreamDecompress::getDecompressorState(), grk::GRK_ERROR(), grk::GRK_WARN(), grk::DecompressorState::lastTilePartInCodeStream, grk::DecompressorState::lastTilePartWasRead, grk::DecompressorState::m_end_tile_x_index, grk::DecompressorState::m_end_tile_y_index, grk::DecompressorState::m_start_tile_x_index, grk::TileProcessor::m_tileIndex, grk::DecompressorState::setState(), grk::DecompressorState::skipTileData, grk::sot_marker_segment_len, grk::CodeStreamDecompress::tileIndexToDecode(), grk::TileProcessor::tilePartDataLength, and grk::CodeStreamInfo::updateTileInfo().

Referenced by grk::CodeStreamDecompress::read_sot().

read() [2/2]

bool grk::SOTMarker::read ( CodeStreamDecompress *  codeStream, uint8_t *  headerData, uint32_t  header_size, uint32_t *  p_tot_len, uint8_t *  p_current_part, uint8_t *  p_num_parts  )

private

Reads values from a SOT marker (Start of tile-part)

the j2k decompressor state is not affected. No side effects, no checks except for header_size.

Parameters

headerData	the data contained in the SOT marker.
header_size	the size of the data contained in the SOT marker.
p_tot_len	Psot.
p_current_part	TPsot.
p_num_parts	TNsot.

References grk::CodeStreamDecompress::allocateProcessor(), grk::GRK_ERROR(), grk::grk_marker_length, and grk::sot_marker_segment_len.

write()

bool grk::SOTMarker::write	(	TileProcessor *	proc,
		uint32_t	tileLength
	)

Writes the SOT marker (Start of tile-part)

References grk::TileProcessor::getStream(), J2K_MS_SOT, grk::TileProcessor::m_cp, grk::TileCodingParams::m_numTileParts, m_psot_location, grk::TileProcessor::m_tileIndex, grk::TileProcessor::m_tilePartIndexCounter, and grk::CodingParams::tcps.

Referenced by grk::CodeStreamCompress::writeTilePart().

write_psot()

bool grk::SOTMarker::write_psot	(	IBufferedStream *	stream,
		uint32_t	tileLength
	)

References m_psot_location, grk::IBufferedStream::seek(), grk::IBufferedStream::tell(), and grk::IBufferedStream::writeInt().

Referenced by grk::CodeStreamCompress::writeTilePart().

Member Data Documentation

m_psot_location

uint64_t grk::SOTMarker::m_psot_location

private

Referenced by write(), and write_psot().

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The documentation for this class was generated from the following files:

• SOTMarker.h
• SOTMarker.cpp