Grok: grk::PacketLengthMarkers Struct Reference

Grok 9.5.0

#include <PacketLengthMarkers.h>

Public Member Functions
	PacketLengthMarkers (void)

	PacketLengthMarkers (IBufferedStream *strm)

	~PacketLengthMarkers (void)

bool	readPLT (uint8_t *headerData, uint16_t header_size)

bool	readPLM (uint8_t *headerData, uint16_t header_size)

void	rewind (void)

uint32_t	popNextPacketLength (void)

void	pushInit (void)

void	pushNextPacketLength (uint32_t len)

uint32_t	write (bool simulate)

Private Member Functions
void	readInit (uint8_t index)

void	readNext (uint8_t Iplm)

void	tryWriteMarkerHeader (PacketLengthMarkerInfo *markerInfo, bool simulate)

void	writeMarkerLength (PacketLengthMarkerInfo *markerInfo)

void	writeIncrement (uint32_t bytes)

Private Attributes
PL_MAP *	m_markers

uint8_t	m_markerIndex

PL_INFO_VEC *	m_curr_vec

size_t	m_packetIndex

uint32_t	m_packet_len

uint32_t	m_markerBytesWritten

uint32_t	m_totalBytesWritten

uint64_t	m_marker_len_cache

IBufferedStream *	m_stream

bool	preCalculatedMarkerLengths

Constructor & Destructor Documentation

◆ PacketLengthMarkers() [1/2]

grk::PacketLengthMarkers::PacketLengthMarkers ( void )

◆ PacketLengthMarkers() [2/2]

grk::PacketLengthMarkers::PacketLengthMarkers ( IBufferedStream * strm )

References m_stream, and pushInit().

◆ ~PacketLengthMarkers()

grk::PacketLengthMarkers::~PacketLengthMarkers ( void )

References m_markers.

Member Function Documentation

◆ popNextPacketLength()

uint32_t grk::PacketLengthMarkers::popNextPacketLength ( void )

References m_curr_vec, m_markerIndex, m_markers, and m_packetIndex.

Referenced by grk::PacketLengthCache::next().

◆ pushInit()

void grk::PacketLengthMarkers::pushInit ( void )

References m_marker_len_cache, m_markerBytesWritten, m_markers, m_totalBytesWritten, and readInit().

Referenced by PacketLengthMarkers(), and grk::TileProcessor::pcrdBisectSimple().

◆ pushNextPacketLength()

void grk::PacketLengthMarkers::pushNextPacketLength ( uint32_t len )

References m_curr_vec.

Referenced by grk::T2Compress::compressPacketSimulate().

◆ readInit()

void grk::PacketLengthMarkers::readInit ( uint8_t index )

private

References m_curr_vec, m_markerIndex, m_markers, and m_packet_len.

Referenced by pushInit(), readPLM(), and readPLT().

◆ readNext()

void grk::PacketLengthMarkers::readNext ( uint8_t Iplm )

private

References m_curr_vec, and m_packet_len.

Referenced by readPLM(), and readPLT().

◆ readPLM()

bool grk::PacketLengthMarkers::readPLM	(	uint8_t *	headerData,
		uint16_t	header_size
	)

References grk::GRK_ERROR(), m_packet_len, readInit(), and readNext().

◆ readPLT()

bool grk::PacketLengthMarkers::readPLT	(	uint8_t *	headerData,
		uint16_t	header_size
	)

References grk::GRK_ERROR(), m_packet_len, readInit(), and readNext().

◆ rewind()

void grk::PacketLengthMarkers::rewind ( void )

References m_curr_vec, m_markerIndex, m_markers, and m_packetIndex.

Referenced by grk::PacketLengthCache::rewind().

◆ tryWriteMarkerHeader()

void grk::PacketLengthMarkers::tryWriteMarkerHeader	(	PacketLengthMarkerInfo *	markerInfo,
		bool	simulate
	)

private

References grk::available_packet_len_bytes_per_plt, J2K_MS_PLT, m_marker_len_cache, m_markerBytesWritten, m_stream, m_totalBytesWritten, grk::IBufferedStream::skip(), grk::IBufferedStream::tell(), writeIncrement(), writeMarkerLength(), and grk::IBufferedStream::writeShort().

Referenced by write().

◆ write()

uint32_t grk::PacketLengthMarkers::write ( bool simulate )

References grk::floorlog2(), m_markerBytesWritten, m_markers, m_stream, m_totalBytesWritten, preCalculatedMarkerLengths, tryWriteMarkerHeader(), grk::IBufferedStream::writeByte(), grk::IBufferedStream::writeBytes(), writeIncrement(), and writeMarkerLength().

Referenced by grk::TileProcessor::doCompress(), and grk::TileProcessor::writeTilePartT2().

◆ writeIncrement()

void grk::PacketLengthMarkers::writeIncrement ( uint32_t bytes )

private

References m_markerBytesWritten, and m_totalBytesWritten.

Referenced by tryWriteMarkerHeader(), and write().

◆ writeMarkerLength()

void grk::PacketLengthMarkers::writeMarkerLength ( PacketLengthMarkerInfo * markerInfo )

private

References m_marker_len_cache, m_markerBytesWritten, m_stream, grk::PacketLengthMarkerInfo::markerLength, grk::IBufferedStream::seek(), grk::IBufferedStream::tell(), and grk::IBufferedStream::writeShort().

Referenced by tryWriteMarkerHeader(), and write().

Member Data Documentation

◆ m_curr_vec

PL_INFO_VEC* grk::PacketLengthMarkers::m_curr_vec

private

Referenced by popNextPacketLength(), pushNextPacketLength(), readInit(), readNext(), and rewind().

◆ m_marker_len_cache

uint64_t grk::PacketLengthMarkers::m_marker_len_cache

private

Referenced by pushInit(), tryWriteMarkerHeader(), and writeMarkerLength().

◆ m_markerBytesWritten

uint32_t grk::PacketLengthMarkers::m_markerBytesWritten

private

Referenced by pushInit(), tryWriteMarkerHeader(), write(), writeIncrement(), and writeMarkerLength().

◆ m_markerIndex

uint8_t grk::PacketLengthMarkers::m_markerIndex

private

Referenced by popNextPacketLength(), readInit(), and rewind().

◆ m_markers

PL_MAP* grk::PacketLengthMarkers::m_markers

private

Referenced by popNextPacketLength(), pushInit(), readInit(), rewind(), write(), and ~PacketLengthMarkers().

◆ m_packet_len

uint32_t grk::PacketLengthMarkers::m_packet_len

private

Referenced by readInit(), readNext(), readPLM(), and readPLT().

◆ m_packetIndex

size_t grk::PacketLengthMarkers::m_packetIndex

private

Referenced by popNextPacketLength(), and rewind().

◆ m_stream

IBufferedStream* grk::PacketLengthMarkers::m_stream

private

Referenced by PacketLengthMarkers(), tryWriteMarkerHeader(), write(), and writeMarkerLength().

◆ m_totalBytesWritten

uint32_t grk::PacketLengthMarkers::m_totalBytesWritten

private

Referenced by pushInit(), tryWriteMarkerHeader(), write(), and writeIncrement().

◆ preCalculatedMarkerLengths

bool grk::PacketLengthMarkers::preCalculatedMarkerLengths

private

Referenced by write().

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