tcd.c File Reference

#include "opj_includes.h"
#include "opj_common.h"

Functions
static INLINE OPJ_BOOL	opj_tcd_init_tile (opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, OPJ_BOOL isEncoder, OPJ_SIZE_T sizeof_block, opj_event_mgr_t *manager)
	Initializes tile coding/decoding. More...
static OPJ_BOOL	opj_tcd_code_block_dec_allocate (opj_tcd_cblk_dec_t *p_code_block)
	Allocates memory for a decoding code block. More...
static void	opj_tcd_code_block_dec_deallocate (opj_tcd_precinct_t *p_precinct)
	Deallocates the decoding data of the given precinct. More...
static OPJ_BOOL	opj_tcd_code_block_enc_allocate (opj_tcd_cblk_enc_t *p_code_block)
	Allocates memory for an encoding code block (but not data). More...
static OPJ_BOOL	opj_tcd_code_block_enc_allocate_data (opj_tcd_cblk_enc_t *p_code_block)
	Allocates data for an encoding code block. More...
static void	opj_tcd_code_block_enc_deallocate (opj_tcd_precinct_t *p_precinct)
	Deallocates the encoding data of the given precinct. More...
static void	opj_tcd_free_tile (opj_tcd_t *tcd)
	Free the memory allocated for encoding. More...
static OPJ_BOOL	opj_tcd_t2_decode (opj_tcd_t *p_tcd, OPJ_BYTE *p_src_data, OPJ_UINT32 *p_data_read, OPJ_UINT32 p_max_src_size, opj_codestream_index_t *p_cstr_index, opj_event_mgr_t *p_manager)
static OPJ_BOOL	opj_tcd_t1_decode (opj_tcd_t *p_tcd, opj_event_mgr_t *p_manager)
static OPJ_BOOL	opj_tcd_dwt_decode (opj_tcd_t *p_tcd)
static OPJ_BOOL	opj_tcd_mct_decode (opj_tcd_t *p_tcd, opj_event_mgr_t *p_manager)
static OPJ_BOOL	opj_tcd_dc_level_shift_decode (opj_tcd_t *p_tcd)
static OPJ_BOOL	opj_tcd_dc_level_shift_encode (opj_tcd_t *p_tcd)
static OPJ_BOOL	opj_tcd_mct_encode (opj_tcd_t *p_tcd)
static OPJ_BOOL	opj_tcd_dwt_encode (opj_tcd_t *p_tcd)
static OPJ_BOOL	opj_tcd_t1_encode (opj_tcd_t *p_tcd)
static OPJ_BOOL	opj_tcd_t2_encode (opj_tcd_t *p_tcd, OPJ_BYTE *p_dest_data, OPJ_UINT32 *p_data_written, OPJ_UINT32 p_max_dest_size, opj_codestream_info_t *p_cstr_info, opj_tcd_marker_info_t *p_marker_info, opj_event_mgr_t *p_manager)
static OPJ_BOOL	opj_tcd_rate_allocate_encode (opj_tcd_t *p_tcd, OPJ_BYTE *p_dest_data, OPJ_UINT32 p_max_dest_size, opj_codestream_info_t *p_cstr_info, opj_event_mgr_t *p_manager)
static OPJ_BOOL	opj_tcd_is_whole_tilecomp_decoding (opj_tcd_t *p_tcd, OPJ_UINT32 compno)
	Returns whether a tile componenent is fully decoded, taking into account p_tcd->win_* members. More...
opj_tcd_t *	opj_tcd_create (OPJ_BOOL p_is_decoder)
	Create a new TCD handle. More...
void	opj_tcd_rateallocate_fixed (opj_tcd_t *tcd)
void	opj_tcd_makelayer (opj_tcd_t *tcd, OPJ_UINT32 layno, OPJ_FLOAT64 thresh, OPJ_UINT32 final)
void	opj_tcd_makelayer_fixed (opj_tcd_t *tcd, OPJ_UINT32 layno, OPJ_UINT32 final)
OPJ_BOOL	opj_tcd_rateallocate (opj_tcd_t *tcd, OPJ_BYTE *dest, OPJ_UINT32 *p_data_written, OPJ_UINT32 len, opj_codestream_info_t *cstr_info, opj_event_mgr_t *p_manager)
OPJ_BOOL	opj_tcd_init (opj_tcd_t *p_tcd, opj_image_t *p_image, opj_cp_t *p_cp, opj_thread_pool_t *p_tp)
	Initialize the tile coder and may reuse some memory. More...
void	opj_tcd_destroy (opj_tcd_t *tcd)
	Destroy a previously created TCD handle. More...
OPJ_BOOL	opj_alloc_tile_component_data (opj_tcd_tilecomp_t *l_tilec)
	Allocates tile component data. More...
OPJ_BOOL	opj_tcd_init_encode_tile (opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, opj_event_mgr_t *p_manager)
	Initialize the tile coder and may reuse some meory. More...
OPJ_BOOL	opj_tcd_init_decode_tile (opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, opj_event_mgr_t *p_manager)
	Allocates memory for decoding a specific tile. More...
void	opj_tcd_reinit_segment (opj_tcd_seg_t *seg)
	Reinitialize a segment. More...
OPJ_UINT32	opj_tcd_get_decoded_tile_size (opj_tcd_t *p_tcd, OPJ_BOOL take_into_account_partial_decoding)
	Gets the maximum tile size that will be taken by the tile once decoded. More...
OPJ_BOOL	opj_tcd_encode_tile (opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, OPJ_BYTE *p_dest, OPJ_UINT32 *p_data_written, OPJ_UINT32 p_max_length, opj_codestream_info_t *p_cstr_info, opj_tcd_marker_info_t *p_marker_info, opj_event_mgr_t *p_manager)
	Encodes a tile from the raw image into the given buffer. More...
OPJ_BOOL	opj_tcd_decode_tile (opj_tcd_t *p_tcd, OPJ_UINT32 win_x0, OPJ_UINT32 win_y0, OPJ_UINT32 win_x1, OPJ_UINT32 win_y1, OPJ_UINT32 numcomps_to_decode, const OPJ_UINT32 *comps_indices, OPJ_BYTE *p_src, OPJ_UINT32 p_max_length, OPJ_UINT32 p_tile_no, opj_codestream_index_t *p_cstr_index, opj_event_mgr_t *p_manager)
	Decode a tile from a buffer into a raw image. More...
OPJ_BOOL	opj_tcd_update_tile_data (opj_tcd_t *p_tcd, OPJ_BYTE *p_dest, OPJ_UINT32 p_dest_length)
	Copies tile data from the system onto the given memory block. More...
OPJ_SIZE_T	opj_tcd_get_encoder_input_buffer_size (opj_tcd_t *p_tcd)
	Get the size in bytes of the input buffer provided before encoded. More...
OPJ_BOOL	opj_tcd_copy_tile_data (opj_tcd_t *p_tcd, OPJ_BYTE *p_src, OPJ_SIZE_T p_src_length)
	Copies tile data from the given memory block onto the system. More...
OPJ_BOOL	opj_tcd_is_band_empty (opj_tcd_band_t *band)
	Returns whether a sub-band is empty (i.e. More...
OPJ_BOOL	opj_tcd_is_subband_area_of_interest (opj_tcd_t *tcd, OPJ_UINT32 compno, OPJ_UINT32 resno, OPJ_UINT32 bandno, OPJ_UINT32 band_x0, OPJ_UINT32 band_y0, OPJ_UINT32 band_x1, OPJ_UINT32 band_y1)
	Returns whether a sub-band region contributes to the area of interest tcd->win_x0,tcd->win_y0,tcd->win_x1,tcd->win_y1. More...
opj_tcd_marker_info_t *	opj_tcd_marker_info_create (OPJ_BOOL need_PLT)
	Create a new opj_tcd_marker_info_t* structure. More...
void	opj_tcd_marker_info_destroy (opj_tcd_marker_info_t *p_tcd_marker_info)
	Destroy a previously created opj_tcd_marker_info_t* structure. More...

Function Documentation

opj_alloc_tile_component_data()

OPJ_BOOL opj_alloc_tile_component_data

(

opj_tcd_tilecomp_t *

l_tilec

)

Allocates tile component data.

References opj_tcd_tilecomp::data, opj_tcd_tilecomp::data_size, opj_tcd_tilecomp::data_size_needed, OPJ_FALSE, opj_image_data_alloc(), opj_image_data_free(), OPJ_TRUE, and opj_tcd_tilecomp::ownsData.

Referenced by opj_j2k_encode(), opj_j2k_write_tile(), and opj_tcd_decode_tile().

opj_tcd_code_block_dec_allocate()

static OPJ_BOOL opj_tcd_code_block_dec_allocate ( opj_tcd_cblk_dec_t *  p_code_block )

static

Allocates memory for a decoding code block.

References opj_tcd_cblk_dec::chunks, opj_tcd_cblk_dec::decoded_data, opj_tcd_cblk_dec::m_current_max_segs, opj_tcd_cblk_dec::numchunksalloc, opj_aligned_free(), opj_calloc(), OPJ_FALSE, OPJ_J2K_DEFAULT_NB_SEGS, opj_tcd_reinit_segment(), OPJ_TRUE, and opj_tcd_cblk_dec::segs.

Referenced by opj_tcd_init_tile().

opj_tcd_code_block_dec_deallocate()

static void opj_tcd_code_block_dec_deallocate ( opj_tcd_precinct_t *  p_precinct )

static

Deallocates the decoding data of the given precinct.

Deallocates the encoding data of the given precinct.

References opj_tcd_precinct::block_size, opj_tcd_precinct::cblks, opj_tcd_cblk_dec::chunks, opj_tcd_precinct::dec, opj_tcd_cblk_dec::decoded_data, opj_aligned_free(), opj_free(), and opj_tcd_cblk_dec::segs.

Referenced by opj_tcd_free_tile().

opj_tcd_code_block_enc_allocate()

static OPJ_BOOL opj_tcd_code_block_enc_allocate ( opj_tcd_cblk_enc_t *  p_code_block )

static

Allocates memory for an encoding code block (but not data).

Allocates memory for an encoding code block (but not data memory).

References opj_tcd_cblk_enc::layers, opj_calloc(), OPJ_FALSE, OPJ_TRUE, and opj_tcd_cblk_enc::passes.

Referenced by opj_tcd_init_tile().

opj_tcd_code_block_enc_allocate_data()

static OPJ_BOOL opj_tcd_code_block_enc_allocate_data ( opj_tcd_cblk_enc_t *  p_code_block )

static

Allocates data for an encoding code block.

Allocates data memory for an encoding code block.

References opj_tcd_cblk_enc::data, opj_tcd_cblk_enc::data_size, OPJ_FALSE, opj_free(), opj_malloc(), OPJ_TRUE, opj_tcd_cblk_enc::x0, opj_tcd_cblk_enc::x1, opj_tcd_cblk_enc::y0, and opj_tcd_cblk_enc::y1.

Referenced by opj_tcd_init_tile().

opj_tcd_code_block_enc_deallocate()

static void opj_tcd_code_block_enc_deallocate ( opj_tcd_precinct_t *  p_precinct )

static

Deallocates the encoding data of the given precinct.

References opj_tcd_precinct::block_size, opj_tcd_precinct::cblks, opj_tcd_cblk_enc::data, opj_tcd_precinct::enc, opj_tcd_cblk_enc::layers, opj_free(), and opj_tcd_cblk_enc::passes.

Referenced by opj_tcd_free_tile().

opj_tcd_copy_tile_data()

OPJ_BOOL opj_tcd_copy_tile_data	(	opj_tcd_t *	p_tcd,
		OPJ_BYTE *	p_src,
		OPJ_SIZE_T	p_src_length
	)

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

p_src_length must be equal to opj_tcd_get_encoder_input_buffer_size()

References opj_tcd_tile::comps, opj_image::comps, opj_tcd_tilecomp::data, opj_tcd::image, opj_image::numcomps, OPJ_FALSE, opj_tcd_get_encoder_input_buffer_size(), OPJ_TRUE, opj_image_comp::prec, opj_image_comp::sgnd, opj_tcd::tcd_image, opj_tcd_image::tiles, opj_tcd_tilecomp::x0, opj_tcd_tilecomp::x1, opj_tcd_tilecomp::y0, and opj_tcd_tilecomp::y1.

Referenced by opj_j2k_encode(), and opj_j2k_write_tile().

opj_tcd_create()

opj_tcd_t* opj_tcd_create

(

OPJ_BOOL

p_is_decoder

)

Create a new TCD handle.

Dump the content of a tcd structure.

References opj_tcd::m_is_decoder, opj_calloc(), opj_free(), and opj_tcd::tcd_image.

Referenced by opj_j2k_copy_default_tcp_and_create_tcd(), and opj_j2k_create_tcd().

opj_tcd_dc_level_shift_decode()

static OPJ_BOOL opj_tcd_dc_level_shift_decode ( opj_tcd_t *  p_tcd )

static

References opj_tcd_tile::comps, opj_image::comps, opj_tcd_tilecomp::data, opj_tcd_tilecomp::data_win, opj_tcd::image, opj_tcd_tilecomp::minimum_num_resolutions, opj_tcd_tile::numcomps, opj_int64_clamp(), opj_int_clamp(), opj_lrintf(), OPJ_TRUE, opj_tcd_tilecomp::resolutions, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, opj_tcd_image::tiles, opj_tcd::used_component, opj_tcd::whole_tile_decoding, opj_tcd_resolution::win_x0, opj_tcd_resolution::win_x1, opj_tcd_resolution::win_y0, opj_tcd_resolution::win_y1, opj_tcd_resolution::x0, opj_tcd_resolution::x1, opj_tcd_resolution::y0, and opj_tcd_resolution::y1.

Referenced by opj_tcd_decode_tile().

opj_tcd_dc_level_shift_encode()

static OPJ_BOOL opj_tcd_dc_level_shift_encode ( opj_tcd_t *  p_tcd )

static

References opj_tcd_tile::comps, opj_image::comps, opj_tcd_tilecomp::data, opj_tcd::image, opj_tccp::m_dc_level_shift, opj_tcd_tile::numcomps, OPJ_TRUE, opj_tccp::qmfbid, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, opj_tcd_image::tiles, opj_tcd_tilecomp::x0, opj_tcd_tilecomp::x1, opj_tcd_tilecomp::y0, and opj_tcd_tilecomp::y1.

Referenced by opj_tcd_encode_tile().

opj_tcd_decode_tile()

OPJ_BOOL opj_tcd_decode_tile	(	opj_tcd_t *	tcd,
		OPJ_UINT32	win_x0,
		OPJ_UINT32	win_y0,
		OPJ_UINT32	win_x1,
		OPJ_UINT32	win_y1,
		OPJ_UINT32	numcomps_to_decode,
		const OPJ_UINT32 *	comps_indices,
		OPJ_BYTE *	src,
		OPJ_UINT32	len,
		OPJ_UINT32	tileno,
		opj_codestream_index_t *	cstr_info,
		opj_event_mgr_t *	manager
	)

Decode a tile from a buffer into a raw image.

Parameters

tcd	TCD handle
win_x0	Upper left x of region to decode (in grid coordinates)
win_y0	Upper left y of region to decode (in grid coordinates)
win_x1	Lower right x of region to decode (in grid coordinates)
win_y1	Lower right y of region to decode (in grid coordinates)
numcomps_to_decode	Size of the comps_indices array, or 0 if decoding all components.
comps_indices	Array of numcomps values representing the indices of the components to decode (relative to the codestream, starting at 0). Or NULL if decoding all components.
src	Source buffer
len	Length of source buffer
tileno	Number that identifies one of the tiles to be decoded
cstr_info	FIXME DOC
manager	the event manager.

References opj_tcd_tile::comps, opj_image::comps, opj_tcd::cp, opj_tcd_tilecomp::data_size_needed, opj_tcd_tilecomp::data_win, opj_image_comp::dx, opj_image_comp::dy, EVT_ERROR, opj_tcd::image, opj_tcd_tilecomp::minimum_num_resolutions, opj_image::numcomps, opj_tcd_tilecomp::numresolutions, opj_alloc_tile_component_data(), opj_calloc(), opj_event_msg(), OPJ_FALSE, opj_free(), opj_image_data_alloc(), opj_image_data_free(), opj_malloc(), opj_tcd_dc_level_shift_decode(), opj_tcd_dwt_decode(), opj_tcd_is_whole_tilecomp_decoding(), opj_tcd_mct_decode(), opj_tcd_t1_decode(), opj_tcd_t2_decode(), OPJ_TRUE, opj_uint_ceildiv(), opj_uint_ceildivpow2(), opj_uint_max(), opj_uint_min(), opj_tcd_resolution::ph, opj_tccp::prch, opj_tccp::prcw, opj_tcd_resolution::pw, opj_image_comp::resno_decoded, opj_tcd_tilecomp::resolutions, SIZE_MAX, opj_tcd::tcd_image, opj_tcd::tcd_tileno, tcp, opj_tcd::tcp, opj_cp::tcps, opj_tcd_image::tiles, opj_tcd::used_component, opj_tcd::whole_tile_decoding, opj_tcd_resolution::win_x0, opj_tcd_tilecomp::win_x0, opj_tcd::win_x0, opj_tcd_resolution::win_x1, opj_tcd_tilecomp::win_x1, opj_tcd::win_x1, opj_tcd_resolution::win_y0, opj_tcd_tilecomp::win_y0, opj_tcd::win_y0, opj_tcd_resolution::win_y1, opj_tcd_tilecomp::win_y1, opj_tcd::win_y1, opj_tcd_resolution::x0, opj_tcd_tilecomp::x0, opj_tcd_resolution::x1, opj_tcd_tilecomp::x1, opj_tcd_resolution::y0, opj_tcd_tilecomp::y0, opj_tcd_resolution::y1, and opj_tcd_tilecomp::y1.

Referenced by opj_j2k_decode_tile().

opj_tcd_destroy()

void opj_tcd_destroy

(

opj_tcd_t *

tcd

)

Destroy a previously created TCD handle.

Parameters

tcd	TCD handle to destroy

References opj_free(), opj_tcd_free_tile(), opj_tcd::tcd_image, and opj_tcd::used_component.

Referenced by opj_j2k_copy_default_tcp_and_create_tcd(), opj_j2k_create_tcd(), opj_j2k_destroy(), and opj_j2k_end_encoding().

opj_tcd_dwt_decode()

static OPJ_BOOL opj_tcd_dwt_decode ( opj_tcd_t *  p_tcd )

static

References opj_tcd_tile::comps, opj_image::comps, opj_tcd::image, opj_tcd_tile::numcomps, opj_dwt_decode(), opj_dwt_decode_real(), OPJ_FALSE, OPJ_TRUE, opj_tccp::qmfbid, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, opj_tcd_image::tiles, and opj_tcd::used_component.

Referenced by opj_tcd_decode_tile().

opj_tcd_dwt_encode()

static OPJ_BOOL opj_tcd_dwt_encode ( opj_tcd_t *  p_tcd )

static

References opj_tcd_tile::comps, opj_tcd_tile::numcomps, opj_dwt_encode(), opj_dwt_encode_real(), OPJ_FALSE, OPJ_TRUE, opj_tccp::qmfbid, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, and opj_tcd_image::tiles.

Referenced by opj_tcd_encode_tile().

opj_tcd_encode_tile()

OPJ_BOOL opj_tcd_encode_tile	(	opj_tcd_t *	p_tcd,
		OPJ_UINT32	p_tile_no,
		OPJ_BYTE *	p_dest,
		OPJ_UINT32 *	p_data_written,
		OPJ_UINT32	p_len,
		struct opj_codestream_info *	p_cstr_info,
		opj_tcd_marker_info_t *	p_marker_info,
		opj_event_mgr_t *	p_manager
	)

Encodes a tile from the raw image into the given buffer.

Parameters

p_tcd	Tile Coder handle
p_tile_no	Index of the tile to encode.
p_dest	Destination buffer
p_data_written	pointer to an int that is incremented by the number of bytes really written on p_dest
p_len	Maximum length of the destination buffer
p_cstr_info	Codestream information structure
p_marker_info	Marker information structure
p_manager	the user event manager

Returns

true if the coding is successful.

References opj_tcd_tile::comps, opj_tcd::cp, opj_tcd::cur_tp_num, opj_codestream_info::index_write, opj_codestream_info::numcomps, opj_codestream_info::numlayers, opj_tcd_tilecomp::numresolutions, opj_calloc(), OPJ_FALSE, opj_tcd_dc_level_shift_encode(), opj_tcd_dwt_encode(), opj_tcd_mct_encode(), opj_tcd_rate_allocate_encode(), opj_tcd_t1_encode(), opj_tcd_t2_encode(), OPJ_TRUE, opj_tile_info::packet, opj_tile_info::pdx, opj_tile_info::pdy, opj_tcd_resolution::ph, opj_tile_info::ph, opj_tccp::prch, opj_tccp::prcw, opj_tcd_resolution::pw, opj_tile_info::pw, opj_tcd_tilecomp::resolutions, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcd_tileno, opj_tcd::tcp, opj_cp::tcps, opj_codestream_info::tile, and opj_tcd_image::tiles.

Referenced by opj_j2k_write_sod().

opj_tcd_free_tile()

static void opj_tcd_free_tile ( opj_tcd_t *  tcd )

static

Free the memory allocated for encoding.

Parameters

tcd	TCD handle

References opj_tcd_resolution::bands, opj_tcd_tile::comps, opj_tcd_tilecomp::data, opj_tcd_tilecomp::data_size, opj_tcd_tilecomp::data_size_needed, opj_tcd_tilecomp::data_win, opj_tcd_precinct::imsbtree, opj_tcd_precinct::incltree, opj_tcd::m_is_decoder, opj_tcd_tile::numcomps, opj_free(), opj_image_data_free(), opj_tcd_code_block_dec_deallocate(), opj_tcd_code_block_enc_deallocate(), opj_tgt_destroy(), opj_tcd_tilecomp::ownsData, opj_tcd_band::precincts, opj_tcd_band::precincts_data_size, opj_tcd_tilecomp::resolutions, opj_tcd_tilecomp::resolutions_size, opj_tcd::tcd_image, and opj_tcd_image::tiles.

Referenced by opj_tcd_destroy().

opj_tcd_get_decoded_tile_size()

OPJ_UINT32 opj_tcd_get_decoded_tile_size	(	opj_tcd_t *	p_tcd,
		OPJ_BOOL	take_into_account_partial_decoding
	)

Gets the maximum tile size that will be taken by the tile once decoded.

References opj_tcd_tile::comps, opj_image::comps, opj_tcd::image, opj_tcd_tilecomp::minimum_num_resolutions, opj_image::numcomps, opj_image_comp::prec, opj_tcd_tilecomp::resolutions, opj_tcd::tcd_image, opj_tcd_image::tiles, opj_tcd::whole_tile_decoding, opj_tcd_resolution::win_x0, opj_tcd_resolution::win_x1, opj_tcd_resolution::win_y0, opj_tcd_resolution::win_y1, opj_tcd_resolution::x0, opj_tcd_resolution::x1, opj_tcd_resolution::y0, and opj_tcd_resolution::y1.

Referenced by opj_j2k_read_tile_header(), and opj_tcd_update_tile_data().

opj_tcd_get_encoder_input_buffer_size()

OPJ_SIZE_T opj_tcd_get_encoder_input_buffer_size

(

opj_tcd_t *

p_tcd

)

Get the size in bytes of the input buffer provided before encoded.

This must be the size provided to the p_src_length argument of opj_tcd_copy_tile_data()

References opj_tcd_tile::comps, opj_image::comps, opj_tcd::image, opj_image::numcomps, opj_image_comp::prec, opj_tcd::tcd_image, opj_tcd_image::tiles, opj_tcd_tilecomp::x0, opj_tcd_tilecomp::x1, opj_tcd_tilecomp::y0, and opj_tcd_tilecomp::y1.

Referenced by opj_j2k_encode(), and opj_tcd_copy_tile_data().

opj_tcd_init()

OPJ_BOOL opj_tcd_init	(	opj_tcd_t *	p_tcd,
		opj_image_t *	p_image,
		opj_cp_t *	p_cp,
		opj_thread_pool_t *	p_tp
	)

Initialize the tile coder and may reuse some memory.

Parameters

p_tcd	TCD handle.
p_image	raw image.
p_cp	coding parameters.
p_tp	thread pool

Returns

true if the encoding values could be set (false otherwise).

References opj_tcd_tile::comps, opj_tcd::cp, opj_tcd::image, opj_cp::m_enc, opj_cp::m_specific_param, opj_encoding_param::m_tp_pos, opj_tcd_tile::numcomps, opj_image::numcomps, opj_calloc(), OPJ_FALSE, OPJ_TRUE, opj_tcd::tcd_image, opj_tcd::thread_pool, opj_tcd_image::tiles, and opj_tcd::tp_pos.

Referenced by opj_j2k_copy_default_tcp_and_create_tcd(), and opj_j2k_create_tcd().

opj_tcd_init_decode_tile()

OPJ_BOOL opj_tcd_init_decode_tile	(	opj_tcd_t *	p_tcd,
		OPJ_UINT32	p_tile_no,
		opj_event_mgr_t *	p_manager
	)

Allocates memory for decoding a specific tile.

Parameters

p_tcd	the tile decoder.
p_tile_no	the index of the tile received in sequence. This not necessarily lead to the tile at index p_tile_no.
p_manager	the event manager.

Returns

true if the remaining data is sufficient.

References OPJ_FALSE, and opj_tcd_init_tile().

Referenced by opj_j2k_read_tile_header().

opj_tcd_init_encode_tile()

OPJ_BOOL opj_tcd_init_encode_tile	(	opj_tcd_t *	p_tcd,
		OPJ_UINT32	p_tile_no,
		opj_event_mgr_t *	p_manager
	)

Initialize the tile coder and may reuse some meory.

Parameters

p_tcd	TCD handle.
p_tile_no	current tile index to encode.
p_manager	the event manager.

Returns

true if the encoding values could be set (false otherwise).

References opj_tcd_init_tile(), and OPJ_TRUE.

Referenced by opj_j2k_pre_write_tile().

opj_tcd_init_tile()

static INLINE OPJ_BOOL opj_tcd_init_tile ( opj_tcd_t *  p_tcd, OPJ_UINT32  p_tile_no, OPJ_BOOL  isEncoder, OPJ_SIZE_T  sizeof_block, opj_event_mgr_t *  manager  )

static

Initializes tile coding/decoding.

References opj_tcd_band::bandno, opj_tcd_resolution::bands, opj_tcd_precinct::block_size, opj_tcd_precinct::blocks, opj_tccp::cblkh, opj_tcd_precinct::cblks, opj_tccp::cblkw, opj_tcd_precinct::ch, opj_tcd_tilecomp::compno, opj_tcd_tile::comps, opj_image::comps, opj_tcd::cp, opj_tcd_precinct::cw, opj_tcd_tilecomp::data_size_needed, opj_tcd_tilecomp::data_win, opj_tcd_precinct::dec, opj_image_comp::dx, opj_image_comp::dy, opj_tcd_precinct::enc, EVT_ERROR, opj_stepsize::expn, opj_tcd::image, opj_tcd_precinct::imsbtree, opj_tcd_precinct::incltree, opj_cp::m_dec, opj_decoding_param::m_reduce, opj_cp::m_specific_param, opj_stepsize::mant, opj_tcd_tilecomp::minimum_num_resolutions, opj_tcd_resolution::numbands, opj_tcd_tile::numcomps, opj_tccp::numgbits, opj_tccp::numresolutions, opj_tcd_tilecomp::numresolutions, opj_event_msg(), OPJ_FALSE, opj_free(), opj_image_data_free(), opj_int64_ceildivpow2(), opj_int_ceildiv(), opj_int_ceildivpow2(), opj_int_floordivpow2(), opj_int_max(), opj_int_min(), opj_malloc(), opj_realloc(), opj_tcd_code_block_dec_allocate(), opj_tcd_code_block_enc_allocate(), opj_tcd_code_block_enc_allocate_data(), opj_tcd_is_band_empty(), opj_tgt_create(), opj_tgt_init(), OPJ_TRUE, opj_uint_adds(), opj_uint_max(), opj_uint_min(), opj_tcd_resolution::ph, opj_tccp::prch, opj_tccp::prcw, opj_image_comp::prec, opj_tcd_resolution::pw, opj_tccp::qmfbid, opj_image_comp::resno_decoded, opj_tcd_tilecomp::resolutions, opj_tcd_tilecomp::resolutions_size, SIZE_MAX, opj_tccp::stepsizes, opj_tcp::tccps, opj_tcd::tcd_image, opj_cp::tcps, opj_cp::tdx, opj_cp::tdy, opj_tcd_image::tiles, opj_cp::tw, opj_cp::tx0, opj_cp::ty0, opj_tcd_tilecomp::win_x0, opj_tcd_tilecomp::win_x1, opj_tcd_tilecomp::win_y0, opj_tcd_tilecomp::win_y1, opj_tcd_cblk_enc::x0, opj_tcd_cblk_dec::x0, opj_tcd_precinct::x0, opj_tcd_resolution::x0, opj_tcd_tilecomp::x0, opj_tcd_tile::x0, opj_image::x0, opj_tcd_cblk_enc::x1, opj_tcd_cblk_dec::x1, opj_tcd_precinct::x1, opj_tcd_resolution::x1, opj_tcd_tilecomp::x1, opj_tcd_tile::x1, opj_image::x1, opj_tcd_cblk_enc::y0, opj_tcd_cblk_dec::y0, opj_tcd_precinct::y0, opj_tcd_resolution::y0, opj_tcd_tilecomp::y0, opj_tcd_tile::y0, opj_image::y0, opj_tcd_cblk_enc::y1, opj_tcd_cblk_dec::y1, opj_tcd_precinct::y1, opj_tcd_resolution::y1, opj_tcd_tilecomp::y1, opj_tcd_tile::y1, and opj_image::y1.

Referenced by opj_tcd_init_decode_tile(), and opj_tcd_init_encode_tile().

opj_tcd_is_band_empty()

OPJ_BOOL opj_tcd_is_band_empty

(

opj_tcd_band_t *

band

)

Returns whether a sub-band is empty (i.e.

whether it has a null area)

Parameters

band	Sub-band handle.

Returns

OPJ_TRUE whether the sub-band is empty.

References opj_tcd_band::x0, opj_tcd_band::x1, opj_tcd_band::y0, and opj_tcd_band::y1.

Referenced by opj_t1_encode_cblks(), opj_t2_encode_packet(), opj_t2_read_packet_header(), opj_tcd_init_tile(), opj_tcd_makelayer(), opj_tcd_makelayer_fixed(), and opj_tcd_rateallocate().

opj_tcd_is_subband_area_of_interest()

OPJ_BOOL opj_tcd_is_subband_area_of_interest	(	opj_tcd_t *	tcd,
		OPJ_UINT32	compno,
		OPJ_UINT32	resno,
		OPJ_UINT32	bandno,
		OPJ_UINT32	x0,
		OPJ_UINT32	y0,
		OPJ_UINT32	x1,
		OPJ_UINT32	y1
	)

Returns whether a sub-band region contributes to the area of interest tcd->win_x0,tcd->win_y0,tcd->win_x1,tcd->win_y1.

Parameters

tcd	TCD handle.
compno	Component number
resno	Resolution number
bandno	Band number (not band index, ie 0, 1, 2 or 3)
x0	Upper left x in subband coordinates
y0	Upper left y in subband coordinates
x1	Lower right x in subband coordinates
y1	Lower right y in subband coordinates

Returns

OPJ_TRUE whether the sub-band region contributs to the area of interest.

References opj_tcd_tile::comps, opj_image::comps, opj_image_comp::dx, opj_image_comp::dy, opj_tcd::image, opj_tcd_tilecomp::numresolutions, opj_uint_adds(), opj_uint_ceildiv(), opj_uint_ceildivpow2(), opj_uint_max(), opj_uint_min(), opj_tccp::qmfbid, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, opj_tcd_image::tiles, opj_tcd::win_x0, opj_tcd::win_x1, opj_tcd::win_y0, opj_tcd::win_y1, opj_tcd_tilecomp::x0, opj_tcd_tilecomp::x1, opj_tcd_tilecomp::y0, and opj_tcd_tilecomp::y1.

Referenced by opj_t1_decode_cblks(), and opj_t2_decode_packets().

opj_tcd_is_whole_tilecomp_decoding()

static OPJ_BOOL opj_tcd_is_whole_tilecomp_decoding ( opj_tcd_t *  p_tcd, OPJ_UINT32  compno  )

static

Returns whether a tile componenent is fully decoded, taking into account p_tcd->win_* members.

Parameters

p_tcd	TCD handle.
compno	Component number

Returns

OPJ_TRUE whether the tile componenent is fully decoded

References opj_tcd_tile::comps, opj_image::comps, opj_image_comp::dx, opj_image_comp::dy, opj_tcd::image, opj_tcd_tilecomp::minimum_num_resolutions, opj_tcd_tilecomp::numresolutions, opj_uint_ceildiv(), opj_uint_max(), opj_uint_min(), opj_tcd::tcd_image, opj_tcd_image::tiles, opj_tcd::win_x0, opj_tcd::win_x1, opj_tcd::win_y0, opj_tcd::win_y1, opj_tcd_tilecomp::x0, opj_tcd_tilecomp::x1, opj_tcd_tilecomp::y0, and opj_tcd_tilecomp::y1.

Referenced by opj_tcd_decode_tile().

opj_tcd_makelayer()

void opj_tcd_makelayer	(	opj_tcd_t *	tcd,
		OPJ_UINT32	layno,
		OPJ_FLOAT64	thresh,
		OPJ_UINT32	final
	)

References opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tcd_precinct::ch, opj_tcd_tile::comps, opj_tcd_precinct::cw, opj_tcd_layer::data, opj_tcd_cblk_enc::data, opj_tcd_layer::disto, opj_tcd_tile::distolayer, opj_tcd_pass::distortiondec, opj_tcd_precinct::enc, opj_tcd_cblk_enc::layers, opj_tcd_layer::len, opj_tcd_resolution::numbands, opj_tcd_tile::numcomps, opj_tcd_layer::numpasses, opj_tcd_cblk_enc::numpassesinlayers, opj_tcd_tilecomp::numresolutions, opj_tcd_is_band_empty(), opj_tcd_cblk_enc::passes, opj_tcd_resolution::ph, opj_tcd_band::precincts, opj_tcd_resolution::pw, opj_tcd_pass::rate, opj_tcd_tilecomp::resolutions, opj_tcd::tcd_image, opj_tcd_image::tiles, and opj_tcd_cblk_enc::totalpasses.

Referenced by opj_tcd_rateallocate().

opj_tcd_makelayer_fixed()

void opj_tcd_makelayer_fixed	(	opj_tcd_t *	tcd,
		OPJ_UINT32	layno,
		OPJ_UINT32	final
	)

References opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tcd_precinct::ch, opj_tcd_tile::comps, opj_image::comps, opj_tcd::cp, opj_tcd_precinct::cw, opj_tcd_layer::data, opj_tcd_cblk_enc::data, opj_tcd_precinct::enc, opj_tcd::image, opj_tcd_cblk_enc::layers, opj_tcd_layer::len, opj_cp::m_enc, opj_encoding_param::m_matrice, opj_cp::m_specific_param, opj_tcd_resolution::numbands, opj_tcd_cblk_enc::numbps, opj_tcd_tile::numcomps, opj_tcp::numlayers, opj_tcd_layer::numpasses, opj_tcd_cblk_enc::numpassesinlayers, opj_tcd_tilecomp::numresolutions, opj_tcd_is_band_empty(), opj_tcd_cblk_enc::passes, opj_tcd_resolution::ph, opj_image_comp::prec, opj_tcd_band::precincts, opj_tcd_resolution::pw, opj_tcd_pass::rate, opj_tcd_tilecomp::resolutions, opj_tcd::tcd_image, opj_tcd::tcp, and opj_tcd_image::tiles.

Referenced by opj_tcd_rateallocate_fixed().

opj_tcd_marker_info_create()

opj_tcd_marker_info_t* opj_tcd_marker_info_create

(

OPJ_BOOL

need_PLT

)

Create a new opj_tcd_marker_info_t* structure.

Parameters

need_PLT

Whether information is needed to generate PLT markers.

References opj_tcd_marker_info::need_PLT, and opj_calloc().

Referenced by opj_j2k_write_sod().

opj_tcd_marker_info_destroy()

void opj_tcd_marker_info_destroy

(

opj_tcd_marker_info_t *

p_tcd_marker_info

)

Destroy a previously created opj_tcd_marker_info_t* structure.

Parameters

p_tcd_marker_info

Structure to destroy

References opj_free(), and opj_tcd_marker_info::p_packet_size.

Referenced by opj_j2k_write_sod().

opj_tcd_mct_decode()

static OPJ_BOOL opj_tcd_mct_decode ( opj_tcd_t *  p_tcd, opj_event_mgr_t *  p_manager  )

static

References opj_tcd_tile::comps, opj_image::comps, opj_tcd_tilecomp::data, opj_tcd_tilecomp::data_win, EVT_ERROR, opj_tcd::image, opj_tcp::m_mct_decoding_matrix, opj_tcp::mct, opj_tcd_tilecomp::minimum_num_resolutions, opj_tcd_tile::numcomps, opj_event_msg(), OPJ_FALSE, opj_free(), opj_malloc(), opj_mct_decode(), opj_mct_decode_custom(), opj_mct_decode_real(), OPJ_TRUE, opj_tccp::qmfbid, opj_image_comp::resno_decoded, opj_tcd_tilecomp::resolutions, opj_image_comp::sgnd, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, opj_tcd_image::tiles, opj_tcd::used_component, opj_tcd::whole_tile_decoding, opj_tcd_resolution::win_x0, opj_tcd_resolution::win_x1, opj_tcd_resolution::win_y0, opj_tcd_resolution::win_y1, opj_tcd_resolution::x0, opj_tcd_resolution::x1, opj_tcd_resolution::y0, and opj_tcd_resolution::y1.

Referenced by opj_tcd_decode_tile().

opj_tcd_mct_encode()

static OPJ_BOOL opj_tcd_mct_encode ( opj_tcd_t *  p_tcd )

static

References opj_tcd_tile::comps, opj_image::comps, opj_tcd_tilecomp::data, opj_tcd::image, opj_tcp::m_mct_coding_matrix, opj_tcp::mct, opj_tcd_tile::numcomps, OPJ_FALSE, opj_free(), opj_malloc(), opj_mct_encode(), opj_mct_encode_custom(), opj_mct_encode_real(), OPJ_TRUE, opj_tccp::qmfbid, opj_image_comp::sgnd, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, opj_tcd_image::tiles, opj_tcd_tilecomp::x0, opj_tcd_tilecomp::x1, opj_tcd_tilecomp::y0, and opj_tcd_tilecomp::y1.

Referenced by opj_tcd_encode_tile().

opj_tcd_rate_allocate_encode()

static OPJ_BOOL opj_tcd_rate_allocate_encode ( opj_tcd_t *  p_tcd, OPJ_BYTE *  p_dest_data, OPJ_UINT32  p_max_dest_size, opj_codestream_info_t *  p_cstr_info, opj_event_mgr_t *  p_manager  )

static

References opj_tcd::cp, opj_codestream_info::index_write, opj_encoding_param::m_disto_alloc, opj_cp::m_enc, opj_encoding_param::m_fixed_quality, opj_cp::m_specific_param, OPJ_FALSE, opj_tcd_rateallocate(), opj_tcd_rateallocate_fixed(), and OPJ_TRUE.

Referenced by opj_tcd_encode_tile().

opj_tcd_rateallocate()

OPJ_BOOL opj_tcd_rateallocate	(	opj_tcd_t *	tcd,
		OPJ_BYTE *	dest,
		OPJ_UINT32 *	p_data_written,
		OPJ_UINT32	len,
		opj_codestream_info_t *	cstr_info,
		opj_event_mgr_t *	p_manager
	)

References opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tcd_precinct::ch, opj_tcd_tile::comps, opj_image::comps, opj_tcd::cp, opj_tcd::cur_pino, opj_tcd::cur_tp_num, opj_tcd_precinct::cw, opj_tcd_tile::distolayer, opj_tcp::distoratio, opj_tcd_pass::distortiondec, opj_tcd_tile::distotile, opj_tile_info::distotile, opj_tcd_precinct::enc, opj_tcd::image, opj_encoding_param::m_disto_alloc, opj_cp::m_enc, opj_encoding_param::m_fixed_quality, opj_cp::m_specific_param, max(), min(), opj_tcd_resolution::numbands, opj_tcd_tile::numcomps, opj_tcp::numlayers, opj_tcd_tilecomp::numpix, opj_tcd_tile::numpix, opj_tile_info::numpix, opj_tcd_tilecomp::numresolutions, OPJ_FALSE, OPJ_IS_CINEMA, OPJ_IS_IMF, opj_malloc(), opj_t2_create(), opj_t2_destroy(), opj_t2_encode_packets(), opj_tcd_is_band_empty(), opj_tcd_makelayer(), OPJ_TRUE, opj_uint_min(), opj_tcd_cblk_enc::passes, opj_tcd_resolution::ph, opj_image_comp::prec, opj_tcd_band::precincts, opj_tcd_resolution::pw, opj_tcd_pass::rate, opj_tcp::rates, opj_tcd_tilecomp::resolutions, opj_cp::rsiz, opj_tcd::tcd_image, opj_tcd::tcd_tileno, opj_tcd::tcp, opj_tile_info::thresh, THRESH_CALC, opj_codestream_info::tile, opj_tcd_image::tiles, opj_tcd_cblk_enc::totalpasses, opj_tcd::tp_pos, opj_tcd_cblk_enc::x0, opj_tcd_cblk_enc::x1, opj_tcd_cblk_enc::y0, and opj_tcd_cblk_enc::y1.

Referenced by opj_tcd_rate_allocate_encode().

opj_tcd_rateallocate_fixed()

void opj_tcd_rateallocate_fixed

(

opj_tcd_t *

tcd

)

References opj_tcp::numlayers, opj_tcd_makelayer_fixed(), and opj_tcd::tcp.

Referenced by opj_tcd_rate_allocate_encode().

opj_tcd_reinit_segment()

void opj_tcd_reinit_segment

(

opj_tcd_seg_t *

seg

)

Reinitialize a segment.

Referenced by opj_t2_init_seg(), and opj_tcd_code_block_dec_allocate().

opj_tcd_t1_decode()

static OPJ_BOOL opj_tcd_t1_decode ( opj_tcd_t *  p_tcd, opj_event_mgr_t *  p_manager  )

static

References opj_tccp::cblksty, opj_tcd_tile::comps, J2K_CCP_CBLKSTY_PTERM, opj_tcp::num_layers_to_decode, opj_tcd_tile::numcomps, opj_tcp::numlayers, OPJ_FALSE, opj_mutex_create(), opj_mutex_destroy(), opj_t1_decode_cblks(), opj_thread_pool_wait_completion(), OPJ_TRUE, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, opj_tcd::thread_pool, opj_tcd_image::tiles, and opj_tcd::used_component.

Referenced by opj_tcd_decode_tile().

opj_tcd_t1_encode()

static OPJ_BOOL opj_tcd_t1_encode ( opj_tcd_t *  p_tcd )

static

References opj_tcd::image, opj_tcp::mct, opj_tcp::mct_norms, opj_image::numcomps, opj_mct_get_mct_norms(), opj_mct_get_mct_norms_real(), opj_t1_encode_cblks(), OPJ_TRUE, opj_tccp::qmfbid, opj_tcp::tccps, opj_tcd::tcd_image, opj_tcd::tcp, and opj_tcd_image::tiles.

Referenced by opj_tcd_encode_tile().

opj_tcd_t2_decode()

static OPJ_BOOL opj_tcd_t2_decode ( opj_tcd_t *  p_tcd, OPJ_BYTE *  p_src_data, OPJ_UINT32 *  p_data_read, OPJ_UINT32  p_max_src_size, opj_codestream_index_t *  p_cstr_index, opj_event_mgr_t *  p_manager  )

static

References opj_tcd::cp, opj_tcd::image, OPJ_FALSE, opj_t2_create(), opj_t2_decode_packets(), opj_t2_destroy(), OPJ_TRUE, opj_tcd::tcd_image, opj_tcd::tcd_tileno, and opj_tcd_image::tiles.

Referenced by opj_tcd_decode_tile().

opj_tcd_t2_encode()

static OPJ_BOOL opj_tcd_t2_encode ( opj_tcd_t *  p_tcd, OPJ_BYTE *  p_dest_data, OPJ_UINT32 *  p_data_written, OPJ_UINT32  p_max_dest_size, opj_codestream_info_t *  p_cstr_info, opj_tcd_marker_info_t *  p_marker_info, opj_event_mgr_t *  p_manager  )

static

References opj_tcd::cp, opj_tcd::cur_pino, FINAL_PASS, opj_tcd::image, opj_tcp::numlayers, OPJ_FALSE, opj_t2_create(), opj_t2_destroy(), opj_t2_encode_packets(), OPJ_TRUE, opj_tcd::tcd_image, opj_tcd::tcd_tileno, opj_tcd::tcp, opj_tcd_image::tiles, opj_tcd::tp_num, and opj_tcd::tp_pos.

Referenced by opj_tcd_encode_tile().

opj_tcd_update_tile_data()

OPJ_BOOL opj_tcd_update_tile_data	(	opj_tcd_t *	p_tcd,
		OPJ_BYTE *	p_dest,
		OPJ_UINT32	p_dest_length
	)

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

References opj_tcd_tile::comps, opj_image::comps, opj_tcd_tilecomp::data, opj_tcd_tilecomp::data_win, opj_tcd::image, opj_tcd_tilecomp::minimum_num_resolutions, opj_image::numcomps, OPJ_FALSE, opj_tcd_get_decoded_tile_size(), OPJ_TRUE, opj_image_comp::prec, opj_image_comp::resno_decoded, opj_tcd_tilecomp::resolutions, opj_image_comp::sgnd, opj_tcd::tcd_image, opj_tcd_image::tiles, opj_tcd::whole_tile_decoding, opj_tcd_resolution::win_x0, opj_tcd_resolution::win_x1, opj_tcd_resolution::win_y0, opj_tcd_resolution::win_y1, opj_tcd_resolution::x0, opj_tcd_resolution::x1, opj_tcd_resolution::y0, and opj_tcd_resolution::y1.

Referenced by opj_j2k_decode_tile().