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| author | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2012-09-28 08:11:41 +0000 |
|---|---|---|
| committer | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2012-09-28 08:11:41 +0000 |
| commit | d518970039a19a2a9b6d2bdd592cc88a43897bbb (patch) | |
| tree | 57bac2cf7e63e9352228231062763baac627563c /src/lib/openjpwl/jpwl.h | |
| parent | 8363a6ab1e031bb4b2e40a92e56efd40fdab1aa1 (diff) | |
[trunk] Start FolderReorgProposal task
Update issue 177
Diffstat (limited to 'src/lib/openjpwl/jpwl.h')
| -rw-r--r-- | src/lib/openjpwl/jpwl.h | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/src/lib/openjpwl/jpwl.h b/src/lib/openjpwl/jpwl.h new file mode 100644 index 00000000..52c1fbc2 --- /dev/null +++ b/src/lib/openjpwl/jpwl.h @@ -0,0 +1,427 @@ +/* + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium + * Copyright (c) 2005-2006, Dept. of Electronic and Information Engineering, Universita' degli Studi di Perugia, Italy + * 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 __JPWL_H +#define __JPWL_H + +#ifdef USE_JPWL + +#include "crc.h" +#include "rs.h" + +/** +@file jpwl.h +@brief The JPEG-2000 Part11 (JPWL) marker segments manager + +The functions in JPWL.C have for goal to read/write the markers added by JPWL. +*/ + +/** @defgroup JPWL JPWL - JPEG-2000 Part11 (JPWL) codestream manager */ +/*@{*/ + +/** +Assume a basic codestream structure, so you can resort better from uncorrected errors +*/ +#define JPWL_ASSUME OPJ_TRUE + +/** +EPB (Error Protection Block) Marker segment +*/ +typedef struct jpwl_epb_ms { + /**@name Private fields set by epb_create */ + /*@{*/ + /** is the latest in header? */ + opj_bool latest; + /** is it in packed mode? */ + opj_bool packed; + /** TH where this marker has been placed (-1 means MH) */ + int tileno; + /** index in current header (0-63) */ + unsigned char index; + /** error protection method [-1=absent 0=none 1=predefined 16=CRC-16 32=CRC-32 37-128=RS] */ + int hprot; + /** message word length of pre-data */ + int k_pre; + /** code word length of pre-data */ + int n_pre; + /** length of pre-data */ + int pre_len; + /** message word length of post-data */ + int k_post; + /** code word length of post-data */ + int n_post; + /** length of post-data */ + int post_len; + /*@}*/ + /**@name Marker segment fields */ + /*@{*/ + /** two bytes for the length of EPB MS, exluding the marker itself (11 to 65535 bytes) */ + unsigned short int Lepb; + /** single byte for the style */ + unsigned char Depb; + /** four bytes, from 0 to 2^31-1 */ + unsigned long int LDPepb; + /** four bytes, next error management method */ + unsigned long int Pepb; + /** EPB data, variable size */ + unsigned char *data; + /*@}*/ +} jpwl_epb_ms_t; + +/** +EPC (Error Protection Capability) Marker segment +*/ +typedef struct jpwl_epc_ms { + /** is ESD active? */ + opj_bool esd_on; + /** is RED active? */ + opj_bool red_on; + /** is EPB active? */ + opj_bool epb_on; + /** are informative techniques active? */ + opj_bool info_on; + /**@name Marker segment fields */ + /*@{*/ + /** two bytes for the length of EPC MS, exluding the marker itself (9 to 65535 bytes) */ + unsigned short int Lepc; + /** two bytes, CRC for the EPC, excluding Pcrc itself */ + unsigned short int Pcrc; + /** four bytes, the codestream length from SOC to EOC */ + unsigned long int DL; + /** one byte, signals JPWL techniques adoption */ + unsigned char Pepc; + /** EPC data, variable length */ + unsigned char *data; + /*@}*/ +} jpwl_epc_ms_t; + +/** +ESD (Error Sensitivity Descriptor) Marker segment +*/ +typedef struct jpwl_esd_ms { + /** codestream addressing mode [0=packet, 1=byte range, 2=packet range, 3=reserved] */ + unsigned char addrm; + /** size of codestream addresses [2/4 bytes] */ + unsigned char ad_size; + /** type of sensitivity + [0=relative error, 1=MSE, 2=MSE reduction, 3=PSNR, 4=PSNR increment, + 5=MAXERR (absolute peak error), 6=TSE (total squared error), 7=reserved */ + unsigned char senst; + /** size of sensitivity data (1/2 bytes) */ + unsigned char se_size; + /**@name Marker segment fields */ + /*@{*/ + /** two bytes for the length of ESD MS, exluding the marker itself (4 to 65535 bytes) */ + unsigned short int Lesd; + /** two bytes, component of error sensitivity */ + unsigned short int Cesd; + /** one byte, signals JPWL techniques adoption */ + unsigned char Pesd; + /** ESD data, variable length */ + unsigned char *data; + /*@}*/ + /**@name Fields set by esd_create (only internal use) */ + /*@{*/ + /** number of components in the image */ + int numcomps; + /** tile where this marker has been placed (-1 means MH) */ + int tileno; + /** number of sensitivity values */ + unsigned long int svalnum; + /** size of a single sensitivity pair (address+value) */ + size_t sensval_size; + /*@}*/ +} jpwl_esd_ms_t; + +/** +RED (Residual Error Descriptor) Marker segment +*/ +typedef struct jpwl_red_ms { + /** two bytes for the length of RED MS, exluding the marker itself (3 to 65535 bytes) */ + unsigned short int Lred; + /** one byte, signals JPWL techniques adoption */ + unsigned char Pred; + /** RED data, variable length */ + unsigned char *data; +} jpwl_red_ms_t; + +/** +Structure used to store JPWL markers temporary position and readyness +*/ +typedef struct jpwl_marker { + /** marker value (J2K_MS_EPC, etc.) */ + int id; + /** union keeping the pointer to the real marker struct */ + union jpwl_marks { + /** pointer to EPB marker */ + jpwl_epb_ms_t *epbmark; + /** pointer to EPC marker */ + jpwl_epc_ms_t *epcmark; + /** pointer to ESD marker */ + jpwl_esd_ms_t *esdmark; + /** pointer to RED marker */ + jpwl_red_ms_t *redmark; + } m; + /** position where the marker should go, in the pre-JPWL codestream */ + unsigned long int pos; + /** same as before, only written as a double, so we can sort it better */ + double dpos; + /** length of the marker segment (marker excluded) */ + unsigned short int len; + /** the marker length is ready or not? */ + opj_bool len_ready; + /** the marker position is ready or not? */ + opj_bool pos_ready; + /** the marker parameters are ready or not? */ + opj_bool parms_ready; + /** are the written data ready or not */ + opj_bool data_ready; +} jpwl_marker_t; + +/** +Encode according to JPWL specs +@param j2k J2K handle +@param cio codestream handle +@param image image handle +*/ +void jpwl_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image); + +/** +Prepare the list of JPWL markers, after the Part 1 codestream +has been finalized (index struct is full) +@param j2k J2K handle +@param cio codestream handle +@param image image handle +*/ +void jpwl_prepare_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image); + +/** +Dump the list of JPWL markers, after it has been prepared +@param j2k J2K handle +@param cio codestream handle +@param image image handle +*/ +void jpwl_dump_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image); + +/** +Read the EPC marker (Error Protection Capability) +@param j2k J2K handle +*/ +void j2k_read_epc(opj_j2k_t *j2k); + +/** +Write the EPC marker (Error Protection Capability), BUT the DL field is always set to 0 +(this simplifies the management of EPBs and it is openly stated in the standard +as a possible value, mening that the information is not available) and the informative techniques +are not yet implemented +@param j2k J2K handle +*/ +#if 0 +void j2k_write_epc(opj_j2k_t *j2k); +#endif + +/** +Read the EPB marker (Error Protection Block) +@param j2k J2K handle +*/ +void j2k_read_epb(opj_j2k_t *j2k); + +/** +Write the EPB marker (Error Protection Block) +@param j2k J2K handle +*/ +void j2k_write_epb(opj_j2k_t *j2k); + +/** +Read the ESD marker (Error Sensitivity Descriptor) +@param j2k J2K handle +*/ +void j2k_read_esd(opj_j2k_t *j2k); + +/** +Read the RED marker (Residual Error Descriptor) +@param j2k J2K handle +*/ +void j2k_read_red(opj_j2k_t *j2k); + +/** create an EPB marker segment +@param j2k J2K compressor handle +@param latest it is the latest EPB in the header +@param packed EPB is in packed style +@param tileno tile number where the marker has been placed (-1 means MH) +@param idx current EPB running index +@param hprot applied protection type (-1/0,1,16,32,37-128) +@param pre_len length of pre-protected data +@param post_len length of post-protected data +@return returns the freshly created EPB +*/ +jpwl_epb_ms_t *jpwl_epb_create(opj_j2k_t *j2k, opj_bool latest, opj_bool packed, int tileno, int idx, int hprot, + unsigned long int pre_len, unsigned long int post_len); + +/** add a number of EPB marker segments +@param j2k J2K compressor handle +@param jwmarker pointer to the JPWL markers list +@param jwmarker_num pointer to the number of JPWL markers (gets updated) +@param latest it is the latest group of EPBs in the header +@param packed EPBs are in packed style +@param insideMH it is in the MH +@param idx pointer to the starting EPB running index (gets updated) +@param hprot applied protection type (-1/0,1,16,32,37-128) +@param place_pos place in original codestream where EPBs should go +@param tileno tile number of these EPBs +@param pre_len length of pre-protected data +@param post_len length of post-protected data +@return returns the length of all added markers +*/ +int jpwl_epbs_add(opj_j2k_t *j2k, jpwl_marker_t *jwmarker, int *jwmarker_num, + opj_bool latest, opj_bool packed, opj_bool insideMH, int *idx, int hprot, + double place_pos, int tileno, + unsigned long int pre_len, unsigned long int post_len); + +/** add a number of ESD marker segments +@param j2k J2K compressor handle +@param jwmarker pointer to the JPWL markers list +@param jwmarker_num pointer to the number of JPWL markers (gets updated) +@param comps considered component (-1=average, 0/1/2/...=component no.) +@param addrm addressing mode (0=packet, 1=byte range, 2=packet range, 3=reserved) +@param ad_size size of addresses (2/4 bytes) +@param senst sensitivity type +@param se_size sensitivity values size (1/2 bytes) +@param place_pos place in original codestream where EPBs should go +@param tileno tile number of these EPBs +@return returns the length of all added markers +*/ +int jpwl_esds_add(opj_j2k_t *j2k, jpwl_marker_t *jwmarker, int *jwmarker_num, + int comps, unsigned char addrm, unsigned char ad_size, + unsigned char senst, unsigned char se_size, + double place_pos, int tileno); + +/** updates the information structure by modifying the positions and lengths +@param j2k J2K compressor handle +@param jwmarker pointer to JPWL markers list +@param jwmarker_num number of JPWL markers +@return returns true in case of success +*/ +opj_bool jpwl_update_info(opj_j2k_t *j2k, jpwl_marker_t *jwmarker, int jwmarker_num); + + +opj_bool jpwl_esd_fill(opj_j2k_t *j2k, jpwl_esd_ms_t *esdmark, unsigned char *buf); + +opj_bool jpwl_epb_fill(opj_j2k_t *j2k, jpwl_epb_ms_t *epbmark, unsigned char *buf, unsigned char *post_buf); + +opj_bool j2k_add_marker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len); + +/** corrects the data in the JPWL codestream +@param j2k J2K compressor handle +@return true if correction is performed correctly +*/ +opj_bool jpwl_correct(opj_j2k_t *j2k); + +/** corrects the data protected by an EPB +@param j2k J2K compressor handle +@param buffer pointer to the EPB position +@param type type of EPB: 0=MH, 1=TPH, 2=other, 3=auto +@param pre_len length of pre-data +@param post_len length of post_data +@param conn is a pointer to the length of all connected (packed) EPBs +@param L4_bufp is a pointer to the buffer pointer of redundancy data +@return returns true if correction could be succesfully performed +*/ +opj_bool jpwl_epb_correct(opj_j2k_t *j2k, unsigned char *buffer, int type, int pre_len, int post_len, int *conn, + unsigned char **L4_bufp); + +/** check that a tile and its children have valid data +@param j2k J2K decompressor handle +@param tcd Tile decompressor handle +@param tileno number of the tile to check +*/ +opj_bool jpwl_check_tile(opj_j2k_t *j2k, opj_tcd_t *tcd, int tileno); + +/** Macro functions for CRC computation */ + +/** +Computes the CRC-16, as stated in JPWL specs +@param CRC two bytes containing the CRC value (must be initialized with 0x0000) +@param DATA byte for which the CRC is computed; call this on every byte of the sequence +and get the CRC at the end +*/ +#define jpwl_updateCRC16(CRC, DATA) updateCRC16(CRC, DATA) + +/** +Computes the CRC-32, as stated in JPWL specs +@param CRC four bytes containing the CRC value (must be initialized with 0x00000000) +@param DATA byte for which the CRC is computed; call this on every byte of the sequence +and get the CRC at the end +*/ +#define jpwl_updateCRC32(CRC, DATA) updateCRC32(CRC, DATA) + +/** +Computes the minimum between two integers +@param a first integer to compare +@param b second integer to compare +@return returns the minimum integer between a and b +*/ +#ifndef min +#define min(a,b) (((a) < (b)) ? (a) : (b)) +#endif /* min */ + +/*@}*/ + +#endif /* USE_JPWL */ + +#ifdef USE_JPSEC + +/** @defgroup JPSEC JPSEC - JPEG-2000 Part 8 (JPSEC) codestream manager */ +/*@{*/ + +/** +Read the SEC marker (SEcured Codestream) +@param j2k J2K handle +*/ +void j2k_read_sec(opj_j2k_t *j2k); + +/** +Write the SEC marker (SEcured Codestream) +@param j2k J2K handle +*/ +void j2k_write_sec(opj_j2k_t *j2k); + +/** +Read the INSEC marker (SEcured Codestream) +@param j2k J2K handle +*/ +void j2k_read_insec(opj_j2k_t *j2k); + +/*@}*/ + +#endif /* USE_JPSEC */ + +#endif /* __JPWL_H */ + |
