44 #define J2K_CP_CSTY_PRT 0x01
45 #define J2K_CP_CSTY_SOP 0x02
46 #define J2K_CP_CSTY_EPH 0x04
47 #define J2K_CCP_CSTY_PRT 0x01
48 #define J2K_CCP_CBLKSTY_LAZY 0x01
49 #define J2K_CCP_CBLKSTY_RESET 0x02
50 #define J2K_CCP_CBLKSTY_TERMALL 0x04
51 #define J2K_CCP_CBLKSTY_VSC 0x08
52 #define J2K_CCP_CBLKSTY_PTERM 0x10
53 #define J2K_CCP_CBLKSTY_SEGSYM 0x20
54 #define J2K_CCP_QNTSTY_NOQNT 0
55 #define J2K_CCP_QNTSTY_SIQNT 1
56 #define J2K_CCP_QNTSTY_SEQNT 2
60 #define J2K_MS_SOC 0xff4f
61 #define J2K_MS_SOT 0xff90
62 #define J2K_MS_SOD 0xff93
63 #define J2K_MS_EOC 0xffd9
64 #define J2K_MS_SIZ 0xff51
65 #define J2K_MS_COD 0xff52
66 #define J2K_MS_COC 0xff53
67 #define J2K_MS_RGN 0xff5e
68 #define J2K_MS_QCD 0xff5c
69 #define J2K_MS_QCC 0xff5d
70 #define J2K_MS_POC 0xff5f
71 #define J2K_MS_TLM 0xff55
72 #define J2K_MS_PLM 0xff57
73 #define J2K_MS_PLT 0xff58
74 #define J2K_MS_PPM 0xff60
75 #define J2K_MS_PPT 0xff61
76 #define J2K_MS_SOP 0xff91
77 #define J2K_MS_EPH 0xff92
78 #define J2K_MS_CRG 0xff63
79 #define J2K_MS_COM 0xff64
82 #define J2K_MS_EPC 0xff68
83 #define J2K_MS_EPB 0xff66
84 #define J2K_MS_ESD 0xff67
85 #define J2K_MS_RED 0xff69
88 #define J2K_MS_SEC 0xff65
89 #define J2K_MS_INSEC 0xff94
opj_cio_t * cio
pointer to the byte i/o stream
Definition: j2k.h:368
int max_comp_size
Maximum rate for each component.
Definition: j2k.h:208
int img_size
Size of the image in bits.
Definition: j2k.h:210
int ppt_store
used in case of multiple marker PPT (number of info already stored)
Definition: j2k.h:192
struct opj_cp opj_cp_t
Coding parameters.
unsigned char * ppm_data
packet header store there for futur use in t2_decode_packet
Definition: j2k.h:250
#define JPWL_MAX_NO_TILESPECS
Maximum number of tile parts expected by JPWL: increase at your will.
Definition: openjpeg.h:81
T2_MODE
T2 encoding mode.
Definition: j2k.h:116
int tx0
XTOsiz.
Definition: j2k.h:232
int first
1 : first part-tile of a tile
Definition: j2k.h:168
int fixed_quality
add fixed_quality
Definition: j2k.h:224
opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info)
Encode an image into a JPEG-2000 codestream.
Definition: j2k.c:2426
int qntsty
quantisation style
Definition: j2k.h:148
int ppm_len
ppmbug1
Definition: j2k.h:260
void j2k_destroy_decompress(opj_j2k_t *j2k)
Destroy a J2K decompressor handle.
Definition: j2k.c:1852
int numlayers
number of layers
Definition: j2k.h:174
int tp_pos
Position of tile part flag in progression order.
Definition: j2k.h:218
Progression order changes.
Definition: openjpeg.h:202
int prch[J2K_MAXRLVLS]
precinct height
Definition: j2k.h:158
int ppm_store
use in case of multiple marker PPM (number of info already store)
Definition: j2k.h:256
opj_bool red_on
enables writing of RED, in case of activated JPWL
Definition: j2k.h:276
opj_cp_t * cp
pointer to the coding parameters
Definition: j2k.h:364
JPEG-2000 codestream reader/writer.
Definition: j2k.h:314
opj_bool correct
enables JPWL correction at the decoder
Definition: j2k.h:302
opj_tccp_t * tccps
tile-component coding parameters
Definition: j2k.h:198
int sod_start
Definition: j2k.h:346
int qmfbid
discrete wavelet transform identifier
Definition: j2k.h:146
int * tileno
ID number of the tiles present in the codestream.
Definition: j2k.h:246
Tile-component coding parameters.
Definition: j2k.h:134
int cblkw
code-blocks width
Definition: j2k.h:140
opj_bool esd_on
enables writing of ESD, in case of activated JPWL
Definition: j2k.h:272
int cblkh
code-blocks height
Definition: j2k.h:142
opj_bool epb_on
enables writing of EPB, in case of activated JPWL
Definition: j2k.h:270
the EOC marker has just been read
Definition: j2k.h:106
int tp_num
Tile part number.
Definition: j2k.h:323
int sens_TPH[JPWL_MAX_NO_TILESPECS]
sensitivity methods for TPHs (-1,0-7)
Definition: j2k.h:300
int hprot_TPH[JPWL_MAX_NO_TILESPECS]
error protection methods for TPHs (0,1,16,32,37-128)
Definition: j2k.h:282
the decoding process is in the main header
Definition: j2k.h:103
int POC
indicates if a POC marker has been used O:NO, 1:YES
Definition: j2k.h:182
int cur_tp_num
Tilepart number currently coding.
Definition: j2k.h:325
the decoding process must not expect a EOC marker because the codestream is truncated ...
Definition: j2k.h:107
int roishift
Region Of Interest shift.
Definition: j2k.h:154
int tdy
YTsiz.
Definition: j2k.h:238
int mct
multi-component transform identifier
Definition: j2k.h:176
int csty
coding style
Definition: j2k.h:136
opj_poc_t pocs[32]
progression order changes
Definition: j2k.h:184
opj_bool info_on
enables writing of informative techniques of ESD, in case of activated JPWL
Definition: j2k.h:274
OPJ_CINEMA_MODE cinema
Digital cinema profile.
Definition: j2k.h:206
struct opj_j2k opj_j2k_t
JPEG-2000 codestream reader/writer.
int tileno_size
size of the vector tileno
Definition: j2k.h:248
char * j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
Converts an enum type progression order to string type.
Definition: j2k.c:269
int reduce
if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the ...
Definition: j2k.h:226
the decoding process has encountered an error
Definition: j2k.h:108
a SOC marker is expected
Definition: j2k.h:101
char * comment
comment for coding
Definition: j2k.h:240
Defines image data and characteristics.
Definition: openjpeg.h:533
opj_j2k_t * j2k_create_decompress(opj_common_ptr cinfo)
Creates a J2K decompression structure.
Definition: j2k.c:1835
OPJ_LIMIT_DECODING limit_decoding
if == NO_LIMITATION, decode entire codestream; if == LIMIT_TO_MAIN_HEADER then only decode the main h...
Definition: j2k.h:230
opj_tcp_t * default_tcp
decompression only : store decoding parameters common to all tiles (information like COD...
Definition: j2k.h:360
unsigned char * ppm_data_first
pointer remaining on the first byte of the first header if ppm is used
Definition: j2k.h:252
the decoding process is in a tile part header
Definition: j2k.h:105
int max_tiles
maximum number of tiles at the decoder
Definition: j2k.h:306
int disto_alloc
allocation by rate/distortion
Definition: j2k.h:220
char tp_flag
Flag determining tile part generation.
Definition: j2k.h:216
int numgbits
number of guard bits
Definition: j2k.h:152
enum T2_MODE J2K_T2_MODE
T2 encoding mode.
unsigned char ** tile_data
array used to store the data of each tile
Definition: j2k.h:353
int exp_comps
expected number of components at the decoder
Definition: j2k.h:304
Decompression parameters.
Definition: openjpeg.h:363
void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image)
Setup the encoder parameters using the current image and using user parameters.
Definition: j2k.c:2168
enum LIMIT_DECODING OPJ_LIMIT_DECODING
Limit decoding to certain portions of the codestream.
struct opj_stepsize opj_stepsize_t
Quantization stepsize.
int expn
exponent
Definition: j2k.h:126
Byte input-output stream (CIO)
Definition: openjpeg.h:475
int totnum_tp
Total num of tile parts in whole image = num tiles* num tileparts in each tile.
Definition: j2k.h:335
int numresolutions
number of resolutions
Definition: j2k.h:138
opj_image_t * j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info)
Decode an image form a JPT-stream (JPEG 2000, JPIP)
Definition: j2k.c:2047
int cblksty
code-block coding style
Definition: j2k.h:144
int ppt_len
ppmbug1
Definition: j2k.h:194
enum PROG_ORDER OPJ_PROG_ORDER
Progression order.
int layer
if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers ...
Definition: j2k.h:228
unsigned char * ppt_data
packet header store there for futur use in t2_decode_packet
Definition: j2k.h:186
int sens_TPH_tileno[JPWL_MAX_NO_TILESPECS]
tile number of sensitivity specification (>=0)
Definition: j2k.h:298
opj_stepsize_t stepsizes[J2K_MAXBANDS]
stepsizes used for quantization
Definition: j2k.h:150
int ppm
if ppm == 1 –> there was a PPM marker for the present tile
Definition: j2k.h:254
enum RSIZ_CAPABILITIES OPJ_RSIZ_CAPABILITIES
Rsiz Capabilities.
int mant
mantissa
Definition: j2k.h:128
float distoratio[100]
add fixed_quality
Definition: j2k.h:196
OPJ_PROG_ORDER prg
progression order
Definition: j2k.h:172
Coding parameters.
Definition: j2k.h:204
void j2k_destroy_compress(opj_j2k_t *j2k)
Destroy a J2K compressor handle.
Definition: j2k.c:2145
#define J2K_MAXBANDS
Number of maximum sub-band linked to number of resolution level.
Definition: openjpeg.h:78
int * matrice
fixed layer
Definition: j2k.h:264
float rates[100]
rates of layers
Definition: j2k.h:178
Quantization stepsize.
Definition: j2k.h:124
void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
Setup the decoder decoding parameters using user parameters.
Definition: j2k.c:1909
int hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS]
tile number of header protection specification (>=0)
Definition: j2k.h:280
opj_image_t * image
pointer to the encoded / decoded image
Definition: j2k.h:362
unsigned char * eot
locate the position of the end of the tile in the codestream, used to detect a truncated codestream (...
Definition: j2k.h:340
J2K_STATUS
Values that specify the status of the decoding process when decoding the main header.
Definition: j2k.h:100
int numpocs
number of progression order changes
Definition: j2k.h:180
int sens_MH
sensitivity method for MH (-1,0-7)
Definition: j2k.h:296
int sot_start
locate the start position of the SOT marker of the current coded tile: after encoding the tile...
Definition: j2k.h:345
char tp_on
Enabling Tile part generation.
Definition: j2k.h:214
int sens_addr
sensitivity addressing size (0=auto/2/4 bytes)
Definition: j2k.h:292
int * cur_totnum_tp
Total number of tileparts of the current tile.
Definition: j2k.h:327
int sens_size
enables writing of ESD, (0/2/4 bytes)
Definition: j2k.h:290
Function called in Rate allocation process.
Definition: j2k.h:118
int opj_bool
Definition: openjpeg.h:63
int fixed_alloc
allocation by fixed layer
Definition: j2k.h:222
opj_j2k_t * j2k_create_compress(opj_common_ptr cinfo)
Creates a J2K compression structure.
Definition: j2k.c:2137
int tw
number of tiles in width
Definition: j2k.h:242
int ppm_previous
use in case of multiple marker PPM (case on non-finished previous info)
Definition: j2k.h:258
int sens_range
sensitivity range (0-3)
Definition: j2k.h:294
#define J2K_MAXRLVLS
Number of maximum resolution level authorized.
Definition: openjpeg.h:77
int state
locate in which part of the codestream the decoder is (main header, tile header, end) ...
Definition: j2k.h:319
opj_common_ptr cinfo
codec context
Definition: j2k.h:316
int ty0
YTOsiz.
Definition: j2k.h:234
int pprot_tileno[JPWL_MAX_NO_PACKSPECS]
tile number of packet protection specification (>=0)
Definition: j2k.h:284
unsigned char * ppt_data_first
pointer remaining on the first byte of the first header if ppt is used
Definition: j2k.h:188
opj_codestream_info_t * cstr_info
helper used to write the index file
Definition: j2k.h:366
struct opj_tcp opj_tcp_t
Tile coding parameters : this structure is used to store coding/decoding parameters common to all til...
int * tile_len
array used to store the length of each tile
Definition: j2k.h:355
Tile coding parameters : this structure is used to store coding/decoding parameters common to all til...
Definition: j2k.h:166
int tlm_start
locate the start position of the TLM marker after encoding the tilepart, a jump (in j2k_write_sod) is...
Definition: j2k.h:332
Compression parameters.
Definition: openjpeg.h:230
int hprot_MH
error protection method for MH (0,1,16,32,37-128)
Definition: j2k.h:278
opj_bool epc_on
enables writing of EPC in MH, thus activating JPWL
Definition: j2k.h:268
OPJ_RSIZ_CAPABILITIES rsiz
Rsiz.
Definition: j2k.h:212
int tdx
XTsiz.
Definition: j2k.h:236
int prcw[J2K_MAXRLVLS]
precinct width
Definition: j2k.h:156
enum CINEMA_MODE OPJ_CINEMA_MODE
Digital cinema operation mode.
int csty
coding style
Definition: j2k.h:170
int ppt
If ppt == 1 –> there was a PPT marker for the present tile.
Definition: j2k.h:190
#define JPWL_MAX_NO_PACKSPECS
Maximum number of packet parts expected by JPWL: increase at your will.
Definition: openjpeg.h:82
int pprot_packno[JPWL_MAX_NO_PACKSPECS]
packet number of packet protection specification (>=0)
Definition: j2k.h:286
int curtileno
number of the tile curently concern by coding/decoding
Definition: j2k.h:321
a SIZ marker is expected
Definition: j2k.h:102
Index structure of the codestream.
Definition: openjpeg.h:672
the decoding process is in a tile part header and expects a SOT marker
Definition: j2k.h:104
int pprot[JPWL_MAX_NO_PACKSPECS]
error protection methods for packets (0,1,16,32,37-128)
Definition: j2k.h:288
int th
number of tiles in heigth
Definition: j2k.h:244
opj_tcp_t * tcps
tile coding parameters
Definition: j2k.h:262
int pos_correction
as the J2K-file is written in several parts during encoding, it enables to make the right correction ...
Definition: j2k.h:351
opj_image_t * j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info)
Decode an image from a JPEG-2000 codestream.
Definition: j2k.c:1929
struct opj_tccp opj_tccp_t
Tile-component coding parameters.
Definition: openjpeg.h:430