| /* |
| * The copyright in this software is being made available under the 2-clauses |
| * BSD License, included below. This software may be subject to other third |
| * party and contributor rights, including patent rights, and no such rights |
| * are granted under this license. |
| * |
| * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium |
| * Copyright (c) 2002-2014, Professor Benoit Macq |
| * Copyright (c) 2001-2003, David Janssens |
| * Copyright (c) 2002-2003, Yannick Verschueren |
| * Copyright (c) 2003-2007, Francois-Olivier Devaux |
| * Copyright (c) 2003-2014, Antonin Descampe |
| * Copyright (c) 2005, Herve Drolon, FreeImage Team |
| * Copyright (c) 2006-2007, Parvatha Elangovan |
| * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr> |
| * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France |
| * Copyright (c) 2012, CS Systemes d'Information, France |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef OPJ_J2K_H |
| #define OPJ_J2K_H |
| /** |
| @file j2k.h |
| @brief The JPEG-2000 Codestream Reader/Writer (J2K) |
| |
| The functions in J2K.C have for goal to read/write the several parts of the codestream: markers and data. |
| */ |
| |
| /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */ |
| /*@{*/ |
| |
| #define J2K_CP_CSTY_PRT 0x01 |
| #define J2K_CP_CSTY_SOP 0x02 |
| #define J2K_CP_CSTY_EPH 0x04 |
| #define J2K_CCP_CSTY_PRT 0x01 |
| #define J2K_CCP_CBLKSTY_LAZY 0x01 /**< Selective arithmetic coding bypass */ |
| #define J2K_CCP_CBLKSTY_RESET 0x02 /**< Reset context probabilities on coding pass boundaries */ |
| #define J2K_CCP_CBLKSTY_TERMALL 0x04 /**< Termination on each coding pass */ |
| #define J2K_CCP_CBLKSTY_VSC 0x08 /**< Vertically stripe causal context */ |
| #define J2K_CCP_CBLKSTY_PTERM 0x10 /**< Predictable termination */ |
| #define J2K_CCP_CBLKSTY_SEGSYM 0x20 /**< Segmentation symbols are used */ |
| #define J2K_CCP_QNTSTY_NOQNT 0 |
| #define J2K_CCP_QNTSTY_SIQNT 1 |
| #define J2K_CCP_QNTSTY_SEQNT 2 |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| #define J2K_MS_SOC 0xff4f /**< SOC marker value */ |
| #define J2K_MS_SOT 0xff90 /**< SOT marker value */ |
| #define J2K_MS_SOD 0xff93 /**< SOD marker value */ |
| #define J2K_MS_EOC 0xffd9 /**< EOC marker value */ |
| #define J2K_MS_SIZ 0xff51 /**< SIZ marker value */ |
| #define J2K_MS_COD 0xff52 /**< COD marker value */ |
| #define J2K_MS_COC 0xff53 /**< COC marker value */ |
| #define J2K_MS_RGN 0xff5e /**< RGN marker value */ |
| #define J2K_MS_QCD 0xff5c /**< QCD marker value */ |
| #define J2K_MS_QCC 0xff5d /**< QCC marker value */ |
| #define J2K_MS_POC 0xff5f /**< POC marker value */ |
| #define J2K_MS_TLM 0xff55 /**< TLM marker value */ |
| #define J2K_MS_PLM 0xff57 /**< PLM marker value */ |
| #define J2K_MS_PLT 0xff58 /**< PLT marker value */ |
| #define J2K_MS_PPM 0xff60 /**< PPM marker value */ |
| #define J2K_MS_PPT 0xff61 /**< PPT marker value */ |
| #define J2K_MS_SOP 0xff91 /**< SOP marker value */ |
| #define J2K_MS_EPH 0xff92 /**< EPH marker value */ |
| #define J2K_MS_CRG 0xff63 /**< CRG marker value */ |
| #define J2K_MS_COM 0xff64 /**< COM marker value */ |
| #define J2K_MS_CBD 0xff78 /**< CBD marker value */ |
| #define J2K_MS_MCC 0xff75 /**< MCC marker value */ |
| #define J2K_MS_MCT 0xff74 /**< MCT marker value */ |
| #define J2K_MS_MCO 0xff77 /**< MCO marker value */ |
| |
| #define J2K_MS_UNK 0 /**< UNKNOWN marker value */ |
| |
| /* UniPG>> */ |
| #ifdef USE_JPWL |
| #define J2K_MS_EPC 0xff68 /**< EPC marker value (Part 11: JPEG 2000 for Wireless) */ |
| #define J2K_MS_EPB 0xff66 /**< EPB marker value (Part 11: JPEG 2000 for Wireless) */ |
| #define J2K_MS_ESD 0xff67 /**< ESD marker value (Part 11: JPEG 2000 for Wireless) */ |
| #define J2K_MS_RED 0xff69 /**< RED marker value (Part 11: JPEG 2000 for Wireless) */ |
| #endif /* USE_JPWL */ |
| #ifdef USE_JPSEC |
| #define J2K_MS_SEC 0xff65 /**< SEC marker value (Part 8: Secure JPEG 2000) */ |
| #define J2K_MS_INSEC 0xff94 /**< INSEC marker value (Part 8: Secure JPEG 2000) */ |
| #endif /* USE_JPSEC */ |
| /* <<UniPG */ |
| |
| #define J2K_MAX_POCS 32 /**< Maximum number of POCs */ |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| /** |
| * Values that specify the status of the decoding process when decoding the main header. |
| * These values may be combined with a | operator. |
| * */ |
| typedef enum J2K_STATUS { |
| J2K_STATE_NONE = 0x0000, /**< a SOC marker is expected */ |
| J2K_STATE_MHSOC = 0x0001, /**< a SOC marker is expected */ |
| J2K_STATE_MHSIZ = 0x0002, /**< a SIZ marker is expected */ |
| J2K_STATE_MH = 0x0004, /**< the decoding process is in the main header */ |
| J2K_STATE_TPHSOT = 0x0008, /**< the decoding process is in a tile part header and expects a SOT marker */ |
| J2K_STATE_TPH = 0x0010, /**< the decoding process is in a tile part header */ |
| J2K_STATE_MT = 0x0020, /**< the EOC marker has just been read */ |
| J2K_STATE_NEOC = 0x0040, /**< the decoding process must not expect a EOC marker because the codestream is truncated */ |
| J2K_STATE_DATA = 0x0080, /**< a tile header has been successfully read and codestream is expected */ |
| |
| J2K_STATE_EOC = 0x0100, /**< the decoding process has encountered the EOC marker */ |
| J2K_STATE_ERR = 0x8000 /**< the decoding process has encountered an error (FIXME warning V1 = 0x0080)*/ |
| } J2K_STATUS; |
| |
| /** |
| * Type of elements storing in the MCT data |
| */ |
| typedef enum MCT_ELEMENT_TYPE { |
| MCT_TYPE_INT16 = 0, /** MCT data is stored as signed shorts*/ |
| MCT_TYPE_INT32 = 1, /** MCT data is stored as signed integers*/ |
| MCT_TYPE_FLOAT = 2, /** MCT data is stored as floats*/ |
| MCT_TYPE_DOUBLE = 3 /** MCT data is stored as doubles*/ |
| } J2K_MCT_ELEMENT_TYPE; |
| |
| /** |
| * Type of MCT array |
| */ |
| typedef enum MCT_ARRAY_TYPE { |
| MCT_TYPE_DEPENDENCY = 0, |
| MCT_TYPE_DECORRELATION = 1, |
| MCT_TYPE_OFFSET = 2 |
| } J2K_MCT_ARRAY_TYPE; |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| /** |
| T2 encoding mode |
| */ |
| typedef enum T2_MODE { |
| THRESH_CALC = 0, /** Function called in Rate allocation process*/ |
| FINAL_PASS = 1 /** Function called in Tier 2 process*/ |
| } J2K_T2_MODE; |
| |
| /** |
| * Quantization stepsize |
| */ |
| typedef struct opj_stepsize { |
| /** exponent */ |
| OPJ_INT32 expn; |
| /** mantissa */ |
| OPJ_INT32 mant; |
| } opj_stepsize_t; |
| |
| /** |
| Tile-component coding parameters |
| */ |
| typedef struct opj_tccp { |
| /** coding style */ |
| OPJ_UINT32 csty; |
| /** number of resolutions */ |
| OPJ_UINT32 numresolutions; |
| /** code-blocks width */ |
| OPJ_UINT32 cblkw; |
| /** code-blocks height */ |
| OPJ_UINT32 cblkh; |
| /** code-block coding style */ |
| OPJ_UINT32 cblksty; |
| /** discrete wavelet transform identifier */ |
| OPJ_UINT32 qmfbid; |
| /** quantisation style */ |
| OPJ_UINT32 qntsty; |
| /** stepsizes used for quantization */ |
| opj_stepsize_t stepsizes[OPJ_J2K_MAXBANDS]; |
| /** number of guard bits */ |
| OPJ_UINT32 numgbits; |
| /** Region Of Interest shift */ |
| OPJ_INT32 roishift; |
| /** precinct width */ |
| OPJ_UINT32 prcw[OPJ_J2K_MAXRLVLS]; |
| /** precinct height */ |
| OPJ_UINT32 prch[OPJ_J2K_MAXRLVLS]; |
| /** the dc_level_shift **/ |
| OPJ_INT32 m_dc_level_shift; |
| } |
| opj_tccp_t; |
| |
| |
| |
| /** |
| * FIXME DOC |
| */ |
| typedef struct opj_mct_data { |
| J2K_MCT_ELEMENT_TYPE m_element_type; |
| J2K_MCT_ARRAY_TYPE m_array_type; |
| OPJ_UINT32 m_index; |
| OPJ_BYTE * m_data; |
| OPJ_UINT32 m_data_size; |
| } |
| opj_mct_data_t; |
| |
| /** |
| * FIXME DOC |
| */ |
| typedef struct opj_simple_mcc_decorrelation_data { |
| OPJ_UINT32 m_index; |
| OPJ_UINT32 m_nb_comps; |
| opj_mct_data_t * m_decorrelation_array; |
| opj_mct_data_t * m_offset_array; |
| OPJ_BITFIELD m_is_irreversible : 1; |
| } |
| opj_simple_mcc_decorrelation_data_t; |
| |
| typedef struct opj_ppx_struct { |
| OPJ_BYTE* m_data; /* m_data == NULL => Zppx not read yet */ |
| OPJ_UINT32 m_data_size; |
| } opj_ppx; |
| |
| /** |
| Tile coding parameters : |
| this structure is used to store coding/decoding parameters common to all |
| tiles (information like COD, COC in main header) |
| */ |
| typedef struct opj_tcp { |
| /** coding style */ |
| OPJ_UINT32 csty; |
| /** progression order */ |
| OPJ_PROG_ORDER prg; |
| /** number of layers */ |
| OPJ_UINT32 numlayers; |
| OPJ_UINT32 num_layers_to_decode; |
| /** multi-component transform identifier */ |
| OPJ_UINT32 mct; |
| /** rates of layers */ |
| OPJ_FLOAT32 rates[100]; |
| /** number of progression order changes */ |
| OPJ_UINT32 numpocs; |
| /** progression order changes */ |
| opj_poc_t pocs[J2K_MAX_POCS]; |
| |
| /** number of ppt markers (reserved size) */ |
| OPJ_UINT32 ppt_markers_count; |
| /** ppt markers data (table indexed by Zppt) */ |
| opj_ppx* ppt_markers; |
| |
| /** packet header store there for future use in t2_decode_packet */ |
| OPJ_BYTE *ppt_data; |
| /** used to keep a track of the allocated memory */ |
| OPJ_BYTE *ppt_buffer; |
| /** Number of bytes stored inside ppt_data*/ |
| OPJ_UINT32 ppt_data_size; |
| /** size of ppt_data*/ |
| OPJ_UINT32 ppt_len; |
| /** add fixed_quality */ |
| OPJ_FLOAT32 distoratio[100]; |
| /** tile-component coding parameters */ |
| opj_tccp_t *tccps; |
| /** current tile part number or -1 if first time into this tile */ |
| OPJ_INT32 m_current_tile_part_number; |
| /** number of tile parts for the tile. */ |
| OPJ_UINT32 m_nb_tile_parts; |
| /** data for the tile */ |
| OPJ_BYTE * m_data; |
| /** size of data */ |
| OPJ_UINT32 m_data_size; |
| /** encoding norms */ |
| OPJ_FLOAT64 * mct_norms; |
| /** the mct decoding matrix */ |
| OPJ_FLOAT32 * m_mct_decoding_matrix; |
| /** the mct coding matrix */ |
| OPJ_FLOAT32 * m_mct_coding_matrix; |
| /** mct records */ |
| opj_mct_data_t * m_mct_records; |
| /** the number of mct records. */ |
| OPJ_UINT32 m_nb_mct_records; |
| /** the max number of mct records. */ |
| OPJ_UINT32 m_nb_max_mct_records; |
| /** mcc records */ |
| opj_simple_mcc_decorrelation_data_t * m_mcc_records; |
| /** the number of mct records. */ |
| OPJ_UINT32 m_nb_mcc_records; |
| /** the max number of mct records. */ |
| OPJ_UINT32 m_nb_max_mcc_records; |
| |
| |
| /***** FLAGS *******/ |
| /** If cod == 1 --> there was a COD marker for the present tile */ |
| OPJ_BITFIELD cod : 1; |
| /** If ppt == 1 --> there was a PPT marker for the present tile */ |
| OPJ_BITFIELD ppt : 1; |
| /** indicates if a POC marker has been used O:NO, 1:YES */ |
| OPJ_BITFIELD POC : 1; |
| } opj_tcp_t; |
| |
| |
| |
| |
| typedef struct opj_encoding_param { |
| /** Maximum rate for each component. If == 0, component size limitation is not considered */ |
| OPJ_UINT32 m_max_comp_size; |
| /** Position of tile part flag in progression order*/ |
| OPJ_INT32 m_tp_pos; |
| /** fixed layer */ |
| OPJ_INT32 *m_matrice; |
| /** Flag determining tile part generation*/ |
| OPJ_BYTE m_tp_flag; |
| /** allocation by rate/distortion */ |
| OPJ_BITFIELD m_disto_alloc : 1; |
| /** allocation by fixed layer */ |
| OPJ_BITFIELD m_fixed_alloc : 1; |
| /** add fixed_quality */ |
| OPJ_BITFIELD m_fixed_quality : 1; |
| /** Enabling Tile part generation*/ |
| OPJ_BITFIELD m_tp_on : 1; |
| } |
| opj_encoding_param_t; |
| |
| typedef struct opj_decoding_param { |
| /** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */ |
| OPJ_UINT32 m_reduce; |
| /** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */ |
| OPJ_UINT32 m_layer; |
| } |
| opj_decoding_param_t; |
| |
| |
| /** |
| * Coding parameters |
| */ |
| typedef struct opj_cp { |
| /** Size of the image in bits*/ |
| /*int img_size;*/ |
| /** Rsiz*/ |
| OPJ_UINT16 rsiz; |
| /** XTOsiz */ |
| OPJ_UINT32 tx0; /* MSD see norm */ |
| /** YTOsiz */ |
| OPJ_UINT32 ty0; /* MSD see norm */ |
| /** XTsiz */ |
| OPJ_UINT32 tdx; |
| /** YTsiz */ |
| OPJ_UINT32 tdy; |
| /** comment */ |
| OPJ_CHAR *comment; |
| /** number of tiles in width */ |
| OPJ_UINT32 tw; |
| /** number of tiles in height */ |
| OPJ_UINT32 th; |
| |
| /** number of ppm markers (reserved size) */ |
| OPJ_UINT32 ppm_markers_count; |
| /** ppm markers data (table indexed by Zppm) */ |
| opj_ppx* ppm_markers; |
| |
| /** packet header store there for future use in t2_decode_packet */ |
| OPJ_BYTE *ppm_data; |
| /** size of the ppm_data*/ |
| OPJ_UINT32 ppm_len; |
| /** size of the ppm_data*/ |
| OPJ_UINT32 ppm_data_read; |
| |
| OPJ_BYTE *ppm_data_current; |
| |
| /** packet header storage original buffer */ |
| OPJ_BYTE *ppm_buffer; |
| /** pointer remaining on the first byte of the first header if ppm is used */ |
| OPJ_BYTE *ppm_data_first; |
| /** Number of bytes actually stored inside the ppm_data */ |
| OPJ_UINT32 ppm_data_size; |
| /** use in case of multiple marker PPM (number of info already store) */ |
| OPJ_INT32 ppm_store; |
| /** use in case of multiple marker PPM (case on non-finished previous info) */ |
| OPJ_INT32 ppm_previous; |
| |
| /** tile coding parameters */ |
| opj_tcp_t *tcps; |
| |
| union { |
| opj_decoding_param_t m_dec; |
| opj_encoding_param_t m_enc; |
| } |
| m_specific_param; |
| |
| |
| /* UniPG>> */ |
| #ifdef USE_JPWL |
| /** enables writing of EPC in MH, thus activating JPWL */ |
| OPJ_BOOL epc_on; |
| /** enables writing of EPB, in case of activated JPWL */ |
| OPJ_BOOL epb_on; |
| /** enables writing of ESD, in case of activated JPWL */ |
| OPJ_BOOL esd_on; |
| /** enables writing of informative techniques of ESD, in case of activated JPWL */ |
| OPJ_BOOL info_on; |
| /** enables writing of RED, in case of activated JPWL */ |
| OPJ_BOOL red_on; |
| /** error protection method for MH (0,1,16,32,37-128) */ |
| int hprot_MH; |
| /** tile number of header protection specification (>=0) */ |
| int hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS]; |
| /** error protection methods for TPHs (0,1,16,32,37-128) */ |
| int hprot_TPH[JPWL_MAX_NO_TILESPECS]; |
| /** tile number of packet protection specification (>=0) */ |
| int pprot_tileno[JPWL_MAX_NO_PACKSPECS]; |
| /** packet number of packet protection specification (>=0) */ |
| int pprot_packno[JPWL_MAX_NO_PACKSPECS]; |
| /** error protection methods for packets (0,1,16,32,37-128) */ |
| int pprot[JPWL_MAX_NO_PACKSPECS]; |
| /** enables writing of ESD, (0/2/4 bytes) */ |
| int sens_size; |
| /** sensitivity addressing size (0=auto/2/4 bytes) */ |
| int sens_addr; |
| /** sensitivity range (0-3) */ |
| int sens_range; |
| /** sensitivity method for MH (-1,0-7) */ |
| int sens_MH; |
| /** tile number of sensitivity specification (>=0) */ |
| int sens_TPH_tileno[JPWL_MAX_NO_TILESPECS]; |
| /** sensitivity methods for TPHs (-1,0-7) */ |
| int sens_TPH[JPWL_MAX_NO_TILESPECS]; |
| /** enables JPWL correction at the decoder */ |
| OPJ_BOOL correct; |
| /** expected number of components at the decoder */ |
| int exp_comps; |
| /** maximum number of tiles at the decoder */ |
| OPJ_UINT32 max_tiles; |
| #endif /* USE_JPWL */ |
| |
| /******** FLAGS *********/ |
| /** if ppm == 1 --> there was a PPM marker*/ |
| OPJ_BITFIELD ppm : 1; |
| /** tells if the parameter is a coding or decoding one */ |
| OPJ_BITFIELD m_is_decoder : 1; |
| /** whether different bit depth or sign per component is allowed. Decoder only for ow */ |
| OPJ_BITFIELD allow_different_bit_depth_sign : 1; |
| /* <<UniPG */ |
| } opj_cp_t; |
| |
| |
| typedef struct opj_j2k_dec { |
| /** locate in which part of the codestream the decoder is (main header, tile header, end) */ |
| OPJ_UINT32 m_state; |
| /** |
| * store decoding parameters common to all tiles (information like COD, COC in main header) |
| */ |
| opj_tcp_t *m_default_tcp; |
| OPJ_BYTE *m_header_data; |
| OPJ_UINT32 m_header_data_size; |
| /** to tell the tile part length */ |
| OPJ_UINT32 m_sot_length; |
| /** Only tiles index in the correct range will be decoded.*/ |
| OPJ_UINT32 m_start_tile_x; |
| OPJ_UINT32 m_start_tile_y; |
| OPJ_UINT32 m_end_tile_x; |
| OPJ_UINT32 m_end_tile_y; |
| |
| /** Index of the tile to decode (used in get_tile) */ |
| OPJ_INT32 m_tile_ind_to_dec; |
| /** Position of the last SOT marker read */ |
| OPJ_OFF_T m_last_sot_read_pos; |
| |
| /** |
| * Indicate that the current tile-part is assume as the last tile part of the codestream. |
| * It is useful in the case of PSot is equal to zero. The sot length will be compute in the |
| * SOD reader function. FIXME NOT USED for the moment |
| */ |
| OPJ_BOOL m_last_tile_part; |
| |
| OPJ_UINT32 m_numcomps_to_decode; |
| OPJ_UINT32 *m_comps_indices_to_decode; |
| |
| /** to tell that a tile can be decoded. */ |
| OPJ_BITFIELD m_can_decode : 1; |
| OPJ_BITFIELD m_discard_tiles : 1; |
| OPJ_BITFIELD m_skip_data : 1; |
| /** TNsot correction : see issue 254 **/ |
| OPJ_BITFIELD m_nb_tile_parts_correction_checked : 1; |
| OPJ_BITFIELD m_nb_tile_parts_correction : 1; |
| |
| } opj_j2k_dec_t; |
| |
| typedef struct opj_j2k_enc { |
| /** Tile part number, regardless of poc, for each new poc, tp is reset to 1*/ |
| OPJ_UINT32 m_current_poc_tile_part_number; /* tp_num */ |
| |
| /** Tile part number currently coding, taking into account POC. m_current_tile_part_number holds the total number of tile parts while encoding the last tile part.*/ |
| OPJ_UINT32 m_current_tile_part_number; /*cur_tp_num */ |
| |
| /** |
| locate the start position of the TLM marker |
| after encoding the tilepart, a jump (in j2k_write_sod) is done to the TLM marker to store the value of its length. |
| */ |
| OPJ_OFF_T m_tlm_start; |
| /** |
| * Stores the sizes of the tlm. |
| */ |
| OPJ_BYTE * m_tlm_sot_offsets_buffer; |
| /** |
| * The current offset of the tlm buffer. |
| */ |
| OPJ_BYTE * m_tlm_sot_offsets_current; |
| |
| /** Total num of tile parts in whole image = num tiles* num tileparts in each tile*/ |
| /** used in TLMmarker*/ |
| OPJ_UINT32 m_total_tile_parts; /* totnum_tp */ |
| |
| /* encoded data for a tile */ |
| OPJ_BYTE * m_encoded_tile_data; |
| |
| /* size of the encoded_data */ |
| OPJ_UINT32 m_encoded_tile_size; |
| |
| /* encoded data for a tile */ |
| OPJ_BYTE * m_header_tile_data; |
| |
| /* size of the encoded_data */ |
| OPJ_UINT32 m_header_tile_data_size; |
| |
| |
| } opj_j2k_enc_t; |
| |
| |
| |
| struct opj_tcd; |
| /** |
| JPEG-2000 codestream reader/writer |
| */ |
| typedef struct opj_j2k { |
| /* J2K codestream is decoded*/ |
| OPJ_BOOL m_is_decoder; |
| |
| /* FIXME DOC*/ |
| union { |
| opj_j2k_dec_t m_decoder; |
| opj_j2k_enc_t m_encoder; |
| } |
| m_specific_param; |
| |
| /** pointer to the internal/private encoded / decoded image */ |
| opj_image_t* m_private_image; |
| |
| /* pointer to the output image (decoded)*/ |
| opj_image_t* m_output_image; |
| |
| /** Coding parameters */ |
| opj_cp_t m_cp; |
| |
| /** the list of procedures to exec **/ |
| opj_procedure_list_t * m_procedure_list; |
| |
| /** the list of validation procedures to follow to make sure the code is valid **/ |
| opj_procedure_list_t * m_validation_list; |
| |
| /** helper used to write the index file */ |
| opj_codestream_index_t *cstr_index; |
| |
| /** number of the tile currently concern by coding/decoding */ |
| OPJ_UINT32 m_current_tile_number; |
| |
| /** the current tile coder/decoder **/ |
| struct opj_tcd * m_tcd; |
| |
| /** Number of threads to use */ |
| int m_num_threads; |
| |
| /** Thread pool */ |
| opj_thread_pool_t* m_tp; |
| |
| OPJ_UINT32 ihdr_w; |
| OPJ_UINT32 ihdr_h; |
| OPJ_UINT32 enumcs; |
| unsigned int dump_state; |
| } |
| opj_j2k_t; |
| |
| |
| |
| |
| /** @name Exported functions */ |
| /*@{*/ |
| /* ----------------------------------------------------------------------- */ |
| |
| /** |
| Setup the decoder decoding parameters using user parameters. |
| Decoding parameters are returned in j2k->cp. |
| @param j2k J2K decompressor handle |
| @param parameters decompression parameters |
| */ |
| void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters); |
| |
| OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads); |
| |
| /** |
| * Creates a J2K compression structure |
| * |
| * @return Returns a handle to a J2K compressor if successful, returns NULL otherwise |
| */ |
| opj_j2k_t* opj_j2k_create_compress(void); |
| |
| |
| OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k, |
| opj_cparameters_t *parameters, |
| opj_image_t *image, |
| opj_event_mgr_t * p_manager); |
| |
| /** |
| Converts an enum type progression order to string type |
| */ |
| const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order); |
| |
| /* ----------------------------------------------------------------------- */ |
| /*@}*/ |
| |
| /*@}*/ |
| |
| /** |
| * Ends the decompression procedures and possibiliy add data to be read after the |
| * codestream. |
| */ |
| OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *j2k, |
| opj_stream_private_t *p_stream, |
| opj_event_mgr_t * p_manager); |
| |
| /** |
| * Reads a jpeg2000 codestream header structure. |
| * |
| * @param p_stream the stream to read data from. |
| * @param p_j2k the jpeg2000 codec. |
| * @param p_image FIXME DOC |
| * @param p_manager the user event manager. |
| * |
| * @return true if the box is valid. |
| */ |
| OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream, |
| opj_j2k_t* p_j2k, |
| opj_image_t** p_image, |
| opj_event_mgr_t* p_manager); |
| |
| |
| /** |
| * Destroys a jpeg2000 codec. |
| * |
| * @param p_j2k the jpeg20000 structure to destroy. |
| */ |
| void opj_j2k_destroy(opj_j2k_t *p_j2k); |
| |
| /** |
| * Destroys a codestream index structure. |
| * |
| * @param p_cstr_ind the codestream index parameter to destroy. |
| */ |
| void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind); |
| |
| /** |
| * Decode tile data. |
| * @param p_j2k the jpeg2000 codec. |
| * @param p_tile_index |
| * @param p_data FIXME DOC |
| * @param p_data_size FIXME DOC |
| * @param p_stream the stream to write data to. |
| * @param p_manager the user event manager. |
| */ |
| OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k, |
| OPJ_UINT32 p_tile_index, |
| OPJ_BYTE * p_data, |
| OPJ_UINT32 p_data_size, |
| opj_stream_private_t *p_stream, |
| opj_event_mgr_t * p_manager); |
| |
| /** |
| * Reads a tile header. |
| * @param p_j2k the jpeg2000 codec. |
| * @param p_tile_index FIXME DOC |
| * @param p_data_size FIXME DOC |
| * @param p_tile_x0 FIXME DOC |
| * @param p_tile_y0 FIXME DOC |
| * @param p_tile_x1 FIXME DOC |
| * @param p_tile_y1 FIXME DOC |
| * @param p_nb_comps FIXME DOC |
| * @param p_go_on FIXME DOC |
| * @param p_stream the stream to write data to. |
| * @param p_manager the user event manager. |
| */ |
| OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k, |
| OPJ_UINT32 * p_tile_index, |
| OPJ_UINT32 * p_data_size, |
| OPJ_INT32 * p_tile_x0, |
| OPJ_INT32 * p_tile_y0, |
| OPJ_INT32 * p_tile_x1, |
| OPJ_INT32 * p_tile_y1, |
| OPJ_UINT32 * p_nb_comps, |
| OPJ_BOOL * p_go_on, |
| opj_stream_private_t *p_stream, |
| opj_event_mgr_t * p_manager); |
| |
| |
| /** Sets the indices of the components to decode. |
| * |
| * @param p_j2k the jpeg2000 codec. |
| * @param numcomps Number of components to decode. |
| * @param comps_indices Array of num_compts indices (numbering starting at 0) |
| * corresponding to the components to decode. |
| * @param p_manager Event manager |
| * |
| * @return OPJ_TRUE in case of success. |
| */ |
| OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k, |
| OPJ_UINT32 numcomps, |
| const OPJ_UINT32* comps_indices, |
| opj_event_mgr_t * p_manager); |
| |
| /** |
| * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading. |
| * |
| * @param p_j2k the jpeg2000 codec. |
| * @param p_image FIXME DOC |
| * @param p_start_x the left position of the rectangle to decode (in image coordinates). |
| * @param p_start_y the up position of the rectangle to decode (in image coordinates). |
| * @param p_end_x the right position of the rectangle to decode (in image coordinates). |
| * @param p_end_y the bottom position of the rectangle to decode (in image coordinates). |
| * @param p_manager the user event manager |
| * |
| * @return true if the area could be set. |
| */ |
| OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k, |
| opj_image_t* p_image, |
| OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, |
| OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, |
| opj_event_mgr_t * p_manager); |
| |
| /** |
| * Creates a J2K decompression structure. |
| * |
| * @return a handle to a J2K decompressor if successful, NULL otherwise. |
| */ |
| opj_j2k_t* opj_j2k_create_decompress(void); |
| |
| |
| /** |
| * Dump some elements from the J2K decompression structure . |
| * |
| *@param p_j2k the jpeg2000 codec. |
| *@param flag flag to describe what elements are dump. |
| *@param out_stream output stream where dump the elements. |
| * |
| */ |
| void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream); |
| |
| |
| |
| /** |
| * Dump an image header structure. |
| * |
| *@param image the image header to dump. |
| *@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function |
| *@param out_stream output stream where dump the elements. |
| */ |
| void j2k_dump_image_header(opj_image_t* image, OPJ_BOOL dev_dump_flag, |
| FILE* out_stream); |
| |
| /** |
| * Dump a component image header structure. |
| * |
| *@param comp the component image header to dump. |
| *@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function |
| *@param out_stream output stream where dump the elements. |
| */ |
| void j2k_dump_image_comp_header(opj_image_comp_t* comp, OPJ_BOOL dev_dump_flag, |
| FILE* out_stream); |
| |
| /** |
| * Get the codestream info from a JPEG2000 codec. |
| * |
| *@param p_j2k the component image header to dump. |
| * |
| *@return the codestream information extract from the jpg2000 codec |
| */ |
| opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k); |
| |
| /** |
| * Get the codestream index from a JPEG2000 codec. |
| * |
| *@param p_j2k the component image header to dump. |
| * |
| *@return the codestream index extract from the jpg2000 codec |
| */ |
| opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k); |
| |
| /** |
| * Decode an image from a JPEG-2000 codestream |
| * @param j2k J2K decompressor handle |
| * @param p_stream FIXME DOC |
| * @param p_image FIXME DOC |
| * @param p_manager FIXME DOC |
| * @return FIXME DOC |
| */ |
| OPJ_BOOL opj_j2k_decode(opj_j2k_t *j2k, |
| opj_stream_private_t *p_stream, |
| opj_image_t *p_image, |
| opj_event_mgr_t *p_manager); |
| |
| |
| OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k, |
| opj_stream_private_t *p_stream, |
| opj_image_t* p_image, |
| opj_event_mgr_t * p_manager, |
| OPJ_UINT32 tile_index); |
| |
| OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k, |
| OPJ_UINT32 res_factor, |
| opj_event_mgr_t * p_manager); |
| |
| |
| /** |
| * Writes a tile. |
| * @param p_j2k the jpeg2000 codec. |
| * @param p_tile_index FIXME DOC |
| * @param p_data FIXME DOC |
| * @param p_data_size FIXME DOC |
| * @param p_stream the stream to write data to. |
| * @param p_manager the user event manager. |
| */ |
| OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k, |
| OPJ_UINT32 p_tile_index, |
| OPJ_BYTE * p_data, |
| OPJ_UINT32 p_data_size, |
| opj_stream_private_t *p_stream, |
| opj_event_mgr_t * p_manager); |
| |
| /** |
| * Encodes an image into a JPEG-2000 codestream |
| */ |
| OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k, |
| opj_stream_private_t *cio, |
| opj_event_mgr_t * p_manager); |
| |
| /** |
| * Starts a compression scheme, i.e. validates the codec parameters, writes the header. |
| * |
| * @param p_j2k the jpeg2000 codec. |
| * @param p_stream the stream object. |
| * @param p_image FIXME DOC |
| * @param p_manager the user event manager. |
| * |
| * @return true if the codec is valid. |
| */ |
| OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k, |
| opj_stream_private_t *p_stream, |
| opj_image_t * p_image, |
| opj_event_mgr_t * p_manager); |
| |
| /** |
| * Ends the compression procedures and possibiliy add data to be read after the |
| * codestream. |
| */ |
| OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k, |
| opj_stream_private_t *cio, |
| opj_event_mgr_t * p_manager); |
| |
| OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image); |
| |
| |
| #endif /* OPJ_J2K_H */ |
