grk::T2Compress Struct Reference

Tier-2 coding. More...

#include <T2Compress.h>

Public Member Functions
	T2Compress (ITileProcessorCompress *tileProc)
bool	compressPackets (uint16_t tileno, uint16_t maxlayers, IStream *stream, uint32_t *p_data_written, bool first_poc_tile_part, uint8_t newTilePartProgressionPosition, uint32_t prog_iter_num)
bool	compressPacketsSimulate (uint16_t tileno, uint16_t maxlayers, uint32_t *p_data_written, uint32_t max_len, uint8_t newTilePartProgressionPosition, PLMarker *markers, bool isFinal, bool debug)
	Simulate compressing packets of a tile to a destination buffer.

Private Member Functions
bool	compressPacket (TileCodingParams *tcp, PacketIter *pi, IStream *stream, uint32_t *p_data_written)
	Encode a packet of a tile to a destination buffer.
bool	compressPacketSimulate (TileCodingParams *tcp, PacketIter *pi, uint32_t *p_data_written, uint32_t len, PLMarker *markers, bool debug)
	Encode a packet of a tile to a destination buffer.
bool	compressHeader (t1_t2::BitIO *bio, Resolution *res, uint16_t layno, uint64_t precinctIndex)

Private Attributes
ITileProcessorCompress *	tileProcessor

Detailed Description

Tier-2 coding.

Constructor & Destructor Documentation

T2Compress()

grk::T2Compress::T2Compress

(

ITileProcessorCompress *

tileProc

)

References tileProcessor.

Member Function Documentation

compressHeader()

bool grk::T2Compress::compressHeader ( t1_t2::BitIO * bio, Resolution * res, uint16_t layno, uint64_t precinctIndex )

private

References grk::Resolution::band, grk::floorlog2(), grk::t1_t2::BitIO::flush(), grk::grklog, grk::Resolution::numBands_, grk::Subband::precincts_, grk::t1_t2::BitIO::putcommacode(), grk::t1_t2::BitIO::putnumpasses(), and grk::t1_t2::BitIO::write().

Referenced by compressPacket(), and compressPacketSimulate().

compressPacket()

bool grk::T2Compress::compressPacket ( TileCodingParams * tcp, PacketIter * pi, IStream * stream, uint32_t * p_data_written )

private

Encode a packet of a tile to a destination buffer.

Parameters

tcp	Tile coding parameters
pi	packet iterator
stream	stream
p_data_written	amount of data written

Returns

References compressHeader(), grk::CP_CSTY_EPH, grk::CP_CSTY_SOP, grk::TileCodingParams::csty_, grk::EPH, grk::PacketIter::getCompno(), grk::PacketIter::getLayno(), grk::PacketIter::getPrecinctIndex(), grk::PacketIter::getResno(), grk::grklog, grk::SOP, grk::IStream::tell(), tileProcessor, grk::t1_t2::IStreamWriter::write8u(), and grk::IStream::writeBytes().

Referenced by compressPackets().

compressPackets()

bool grk::T2Compress::compressPackets	(	uint16_t	tileno,
		uint16_t	maxlayers,
		IStream *	stream,
		uint32_t *	p_data_written,
		bool	first_poc_tile_part,
		uint8_t	newTilePartProgressionPosition,
		uint32_t	prog_iter_num )

References compressPacket(), grk::PacketManager::enable_tile_part_generation(), grk::FINAL_PASS, grk::PacketManager::getPacketIter(), GRK_PROG_UNKNOWN, grk::grklog, and tileProcessor.

compressPacketSimulate()

bool grk::T2Compress::compressPacketSimulate ( TileCodingParams * tcp, PacketIter * pi, uint32_t * p_data_written, uint32_t len, PLMarker * markers, bool debug )

private

Encode a packet of a tile to a destination buffer.

Parameters

tcp	Tile coding parameters
pi	packet iterator
p_data_written	amount of data written
len	length of the destination buffer
markers	packet length markers
debug	true if in debug mode

Returns

true if successful

References compressHeader(), grk::CP_CSTY_EPH, grk::CP_CSTY_SOP, grk::TileCodingParams::csty_, grk::PacketIter::getCompno(), grk::PacketIter::getLayno(), grk::PacketIter::getPrecinctIndex(), grk::PacketIter::getResno(), grk::grklog, grk::t1_t2::BitIO::numBytes(), grk::PLMarker::pushPL(), and tileProcessor.

Referenced by compressPacketsSimulate().

compressPacketsSimulate()

bool grk::T2Compress::compressPacketsSimulate	(	uint16_t	tileno,
		uint16_t	maxlayers,
		uint32_t *	p_data_written,
		uint32_t	max_len,
		uint8_t	newTilePartProgressionPosition,
		PLMarker *	markers,
		bool	isFinal,
		bool	debug )

Simulate compressing packets of a tile to a destination buffer.

Parameters

tileno	number of the tile encoded
maxlayers	maximum number of layers
p_data_written	amount of data written
max_len	the max length of the destination buffer
newTilePartProgressionPosition	position of the tile part flag in the progression order
markers	markers (see PLMarker)
isFinal	true if this is final T2 pass
debug	true if in debug mode

References compressPacketSimulate(), grk::PacketManager::enable_tile_part_generation(), grk::PacketManager::getPacketIter(), GRK_PROFILE_CINEMA_4K, GRK_PROG_UNKNOWN, grk::grklog, grk::PLMarker::pushInit(), grk::THRESH_CALC, and tileProcessor.

Member Data Documentation

tileProcessor

ITileProcessorCompress* grk::T2Compress::tileProcessor

private

Referenced by compressPacket(), compressPackets(), compressPacketSimulate(), compressPacketsSimulate(), and T2Compress().

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

• T2Compress.h
• T2Compress.cpp