Tile coder/decoder. More...

#include <TileProcessor.h>

Public Member Functions
	TileProcessor (CodeStream *codeStream)

	~TileProcessor ()

bool	init_tile (grk_image *output_image, bool isEncoder)
	Allocates memory for decoding a specific tile. More...

bool	pre_write_tile (void)

bool	compress_tile_part (BufferedStream stream, uint32_t tile_bytes_written)
	Compress a tile from a raw image into stream. More...

bool	pre_compress_first_tile_part (BufferedStream *stream)

bool	do_encode (BufferedStream *stream)
	Compress a tile from a raw image into stream. More...

bool	decompress_tile_t1 (void)
	T1 Decode a tile from a buffer. More...

bool	decompress_tile_t2 (ChunkBuffer *src_buf)
	T2 Decode a tile from a buffer. More...

bool	copy_uncompressed_data_to_tile (uint8_t *p_src, uint64_t src_length)
	Copies tile data from the given memory block onto the system. More...

bool	needs_rate_control ()

bool	copy_decompressed_tile_to_output_image (grk_image *p_output_image)

void	copy_image_to_tile ()

Data Fields
uint16_t	m_tile_index
	index of tile being currently coded/decoded More...

uint8_t	m_poc_tile_part_index
	tile part index, regardless of poc. More...

uint8_t	m_tile_part_index
	index of tile part being currently coding, taking into account POC. More...

uint32_t	tile_part_data_length

uint8_t	totnum_tp
	Total number of tile parts of the tile. More...

uint32_t	pino
	Current packet iterator number. More...

grk_tile *	tile
	info on image tile More...

grk_image *	image
	image header More...

grk_plugin_tile *	current_plugin_tile

bool	whole_tile_decoding
	Only valid for decoding. More...

PacketLengthMarkers *	plt_markers

CodingParams *	m_cp
	coding parameters More...

PacketTracker	m_packetTracker

uint32_t *	m_resno_decoded

bool	m_corrupt_packet

Private Member Functions
bool	t2_decode (ChunkBuffer src_buf, uint64_t p_data_read)

bool	is_whole_tilecomp_decoding (uint32_t compno)

bool	mct_decode ()

bool	dc_level_shift_decode ()

bool	dc_level_shift_encode ()

bool	mct_encode ()

bool	dwt_encode ()

void	t1_encode ()

bool	t2_encode (BufferedStream stream, uint32_t packet_bytes_written)

bool	rate_allocate (void)

bool	layer_needs_rate_control (uint32_t layno)

bool	make_single_lossless_layer ()

void	makelayer_final (uint32_t layno)

bool	pcrd_bisect_simple (uint32_t *p_data_written)

void	make_layer_simple (uint32_t layno, double thresh, bool final)

bool	pcrd_bisect_feasible (uint32_t *p_data_written)

void	makelayer_feasible (uint32_t layno, uint16_t thresh, bool final)

Private Attributes
uint32_t	tp_pos
	position of the tile part flag in progression order More...

TileCodingParams *	m_tcp
	coding/decoding parameters common to all tiles More...

Detailed Description

Tile coder/decoder.

Constructor & Destructor Documentation

◆ TileProcessor()

grk::TileProcessor::TileProcessor ( CodeStream * codeStream )

explicit

◆ ~TileProcessor()

grk::TileProcessor::~TileProcessor ( )

Member Function Documentation

◆ compress_tile_part()

bool grk::TileProcessor::compress_tile_part	(	BufferedStream *	stream,
		uint32_t *	tile_bytes_written
	)

Compress a tile from a raw image into stream.

Parameters

stream	stream
tile_bytes_written	number of bytes written to stream

Returns: true if the coding is successful.

◆ copy_decompressed_tile_to_output_image()

bool grk::TileProcessor::copy_decompressed_tile_to_output_image ( grk_image * p_output_image )

◆ copy_image_to_tile()

void grk::TileProcessor::copy_image_to_tile ( )

◆ copy_uncompressed_data_to_tile()

bool grk::TileProcessor::copy_uncompressed_data_to_tile	(	uint8_t *	p_src,
		uint64_t	src_length
	)

Copies tile data from the given memory block onto the system.

◆ dc_level_shift_decode()

bool grk::TileProcessor::dc_level_shift_decode ( )

private

◆ dc_level_shift_encode()

bool grk::TileProcessor::dc_level_shift_encode ( )

private

◆ decompress_tile_t1()

bool grk::TileProcessor::decompress_tile_t1 ( void )

T1 Decode a tile from a buffer.

Returns: true if successful

◆ decompress_tile_t2()

bool grk::TileProcessor::decompress_tile_t2 ( ChunkBuffer * src_buf )

T2 Decode a tile from a buffer.

Parameters

src_buf Source buffer

Returns: true if successful

◆ do_encode()

bool grk::TileProcessor::do_encode ( BufferedStream * stream )

Compress a tile from a raw image into stream.

Returns: true if the coding is successful.

◆ dwt_encode()

bool grk::TileProcessor::dwt_encode ( )

private

◆ init_tile()

bool grk::TileProcessor::init_tile	(	grk_image *	output_image,
		bool	isEncoder
	)

Allocates memory for decoding a specific tile.

Parameters

output_image output image - stores the decompress region of interest

Returns: true if the remaining data is sufficient.

◆ is_whole_tilecomp_decoding()

bool grk::TileProcessor::is_whole_tilecomp_decoding ( uint32_t compno )

private

◆ layer_needs_rate_control()

bool grk::TileProcessor::layer_needs_rate_control ( uint32_t layno )

private

◆ make_layer_simple()

void grk::TileProcessor::make_layer_simple	(	uint32_t	layno,
		double	thresh,
		bool	final
	)

private

◆ make_single_lossless_layer()

bool grk::TileProcessor::make_single_lossless_layer ( )

private

◆ makelayer_feasible()

void grk::TileProcessor::makelayer_feasible	(	uint32_t	layno,
		uint16_t	thresh,
		bool	final
	)

private

◆ makelayer_final()

void grk::TileProcessor::makelayer_final ( uint32_t layno )

private

◆ mct_decode()

bool grk::TileProcessor::mct_decode ( )

private

◆ mct_encode()

bool grk::TileProcessor::mct_encode ( )

private

◆ needs_rate_control()

bool grk::TileProcessor::needs_rate_control ( )

◆ pcrd_bisect_feasible()

bool grk::TileProcessor::pcrd_bisect_feasible ( uint32_t * p_data_written )

private

◆ pcrd_bisect_simple()

bool grk::TileProcessor::pcrd_bisect_simple ( uint32_t * p_data_written )

private

◆ pre_compress_first_tile_part()

bool grk::TileProcessor::pre_compress_first_tile_part ( BufferedStream * stream )

◆ pre_write_tile()

bool grk::TileProcessor::pre_write_tile ( void )

◆ rate_allocate()

bool grk::TileProcessor::rate_allocate ( void )

private

◆ t1_encode()

void grk::TileProcessor::t1_encode ( )

private

◆ t2_decode()

bool grk::TileProcessor::t2_decode	(	ChunkBuffer *	src_buf,
		uint64_t *	p_data_read
	)

private

◆ t2_encode()

bool grk::TileProcessor::t2_encode	(	BufferedStream *	stream,
		uint32_t *	packet_bytes_written
	)

private

Field Documentation

◆ current_plugin_tile

grk_plugin_tile* grk::TileProcessor::current_plugin_tile

◆ image

grk_image* grk::TileProcessor::image

image header

◆ m_corrupt_packet

bool grk::TileProcessor::m_corrupt_packet

◆ m_cp

CodingParams* grk::TileProcessor::m_cp

coding parameters

◆ m_packetTracker

PacketTracker grk::TileProcessor::m_packetTracker

◆ m_poc_tile_part_index

uint8_t grk::TileProcessor::m_poc_tile_part_index

tile part index, regardless of poc.

for each new poc, tp is reset to 0

◆ m_resno_decoded

uint32_t* grk::TileProcessor::m_resno_decoded

◆ m_tcp

TileCodingParams* grk::TileProcessor::m_tcp

private

coding/decoding parameters common to all tiles

◆ m_tile_index

uint16_t grk::TileProcessor::m_tile_index

index of tile being currently coded/decoded

◆ m_tile_part_index

uint8_t grk::TileProcessor::m_tile_part_index

index of tile part being currently coding, taking into account POC.

m_tile_part_index holds the total number of tile parts while encoding the last tile part.

◆ pino

uint32_t grk::TileProcessor::pino

Current packet iterator number.

◆ plt_markers

PacketLengthMarkers* grk::TileProcessor::plt_markers

◆ tile

grk_tile* grk::TileProcessor::tile

info on image tile

◆ tile_part_data_length

uint32_t grk::TileProcessor::tile_part_data_length

◆ totnum_tp

uint8_t grk::TileProcessor::totnum_tp

Total number of tile parts of the tile.

◆ tp_pos

uint32_t grk::TileProcessor::tp_pos

private

position of the tile part flag in progression order

◆ whole_tile_decoding

bool grk::TileProcessor::whole_tile_decoding

Only valid for decoding.

Whether the whole tile is decoded, or just the region in win_x0/win_y0/win_x1/win_y1

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

TileProcessor.h

Public Member Functions

Data Fields

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ TileProcessor()

◆ ~TileProcessor()

Member Function Documentation

◆ compress_tile_part()

◆ copy_decompressed_tile_to_output_image()

◆ copy_image_to_tile()

◆ copy_uncompressed_data_to_tile()

◆ dc_level_shift_decode()

◆ dc_level_shift_encode()

◆ decompress_tile_t1()

◆ decompress_tile_t2()

◆ do_encode()

◆ dwt_encode()

◆ init_tile()

◆ is_whole_tilecomp_decoding()

◆ layer_needs_rate_control()

◆ make_layer_simple()

◆ make_single_lossless_layer()

◆ makelayer_feasible()

◆ makelayer_final()

◆ mct_decode()

◆ mct_encode()

◆ needs_rate_control()

◆ pcrd_bisect_feasible()

◆ pcrd_bisect_simple()

◆ pre_compress_first_tile_part()

◆ pre_write_tile()

◆ rate_allocate()

◆ t1_encode()

◆ t2_decode()

◆ t2_encode()

Field Documentation

◆ current_plugin_tile

◆ image

◆ m_corrupt_packet

◆ m_cp

◆ m_packetTracker

◆ m_poc_tile_part_index

◆ m_resno_decoded

◆ m_tcp

◆ m_tile_index

◆ m_tile_part_index

◆ pino

◆ plt_markers

◆ tile

◆ tile_part_data_length

◆ totnum_tp

◆ tp_pos

◆ whole_tile_decoding