diff options
Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_cs.h')
| -rw-r--r-- | converter/other/jpeg2000/libjasper/jpc/jpc_cs.h | 812 |
1 files changed, 812 insertions, 0 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_cs.h b/converter/other/jpeg2000/libjasper/jpc/jpc_cs.h new file mode 100644 index 00000000..07a046d1 --- /dev/null +++ b/converter/other/jpeg2000/libjasper/jpc/jpc_cs.h @@ -0,0 +1,812 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer Software License + * + * IMAGE POWER JPEG-2000 PUBLIC LICENSE + * ************************************ + * + * GRANT: + * + * Permission is hereby granted, free of charge, to any person (the "User") + * obtaining a copy of this software and associated documentation, to deal + * in the JasPer Software without restriction, including without limitation + * the right to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the JasPer Software (in source and binary forms), + * and to permit persons to whom the JasPer Software is furnished to do so, + * provided further that the License Conditions below are met. + * + * License Conditions + * ****************** + * + * A. Redistributions of source code must retain the above copyright notice, + * and this list of conditions, and the following disclaimer. + * + * B. Redistributions in binary form must reproduce the above copyright + * notice, and this list of conditions, and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * C. Neither the name of Image Power, Inc. nor any other contributor + * (including, but not limited to, the University of British Columbia and + * Michael David Adams) may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * D. User agrees that it shall not commence any action against Image Power, + * Inc., the University of British Columbia, Michael David Adams, or any + * other contributors (collectively "Licensors") for infringement of any + * intellectual property rights ("IPR") held by the User in respect of any + * technology that User owns or has a right to license or sublicense and + * which is an element required in order to claim compliance with ISO/IEC + * 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property + * rights worldwide arising under statutory or common law, and whether + * or not perfected, including, without limitation, all (i) patents and + * patent applications owned or licensable by User; (ii) rights associated + * with works of authorship including copyrights, copyright applications, + * copyright registrations, mask work rights, mask work applications, + * mask work registrations; (iii) rights relating to the protection of + * trade secrets and confidential information; (iv) any right analogous + * to those set forth in subsections (i), (ii), or (iii) and any other + * proprietary rights relating to intangible property (other than trademark, + * trade dress, or service mark rights); and (v) divisions, continuations, + * renewals, reissues and extensions of the foregoing (as and to the extent + * applicable) now existing, hereafter filed, issued or acquired. + * + * E. If User commences an infringement action against any Licensor(s) then + * such Licensor(s) shall have the right to terminate User's license and + * all sublicenses that have been granted hereunder by User to other parties. + * + * F. This software is for use only in hardware or software products that + * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license + * or right to this Software is granted for products that do not comply + * with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased + * from the ISO. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. + * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND + * CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY + * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, + * WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE, + * IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING + * TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE + * OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING + * PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS. + * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE + * IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE + * IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY + * OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY + * OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING, + * REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, + * WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE + * INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC., + * MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE + * JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO + * THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION, + * DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR + * MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF + * SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY + * OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT + * FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR + * RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING + * FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT + * LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE + * JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY + * TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE + * ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS + * OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT + * KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING + * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS + * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE + * NOTICE SPECIFIED IN THIS SECTION. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JPEG-2000 Code Stream Library + * + * $Id$ + */ + +#ifndef JPC_CS_H +#define JPC_CS_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_image.h" +#include "jasper/jas_stream.h" + +#include "jpc_cod.h" + +/******************************************************************************\ +* Constants and Types. +\******************************************************************************/ + +/* The maximum number of resolution levels. */ +#define JPC_MAXRLVLS 33 + +/* The maximum number of bands. */ +#define JPC_MAXBANDS (3 * JPC_MAXRLVLS + 1) + +/* The maximum number of layers. */ +#define JPC_MAXLYRS 16384 + +/**************************************\ +* Code stream. +\**************************************/ + +/* + * Code stream states. + */ + +/* Initial. */ +#define JPC_CS_INIT 0 +/* Main header. */ +#define JPC_CS_MHDR 1 +/* Tile-part header. */ +#define JPC_CS_THDR 2 +/* Main trailer. */ +#define JPC_CS_MTLR 3 +/* Tile-part data. */ +#define JPC_CS_TDATA 4 + +/* + * Unfortunately, the code stream syntax was not designed in such a way that + * any given marker segment can be correctly decoded without additional state + * derived from previously decoded marker segments. + * For example, a RGN/COC/QCC marker segment cannot be decoded unless the + * number of components is known. + */ + +/* + * Code stream state information. + */ + +typedef struct { + + /* The number of components. */ + int numcomps; + +} jpc_cstate_t; + +/**************************************\ +* SOT marker segment parameters. +\**************************************/ + +typedef struct { + + /* The tile number. */ + uint_fast16_t tileno; + + /* The combined length of the marker segment and its auxilary data + (i.e., packet data). */ + uint_fast32_t len; + + /* The tile-part instance. */ + uint_fast8_t partno; + + /* The number of tile-parts. */ + uint_fast8_t numparts; + +} jpc_sot_t; + +/**************************************\ +* SIZ marker segment parameters. +\**************************************/ + +/* Per component information. */ + +typedef struct { + + /* The precision of the samples. */ + uint_fast8_t prec; + + /* The signedness of the samples. */ + uint_fast8_t sgnd; + + /* The horizontal separation of samples with respect to the reference + grid. */ + uint_fast8_t hsamp; + + /* The vertical separation of samples with respect to the reference + grid. */ + uint_fast8_t vsamp; + +} jpc_sizcomp_t; + +/* SIZ marker segment parameters. */ + +typedef struct { + + /* The code stream capabilities. */ + uint_fast16_t caps; + + /* The width of the image in units of the reference grid. */ + uint_fast32_t width; + + /* The height of the image in units of the reference grid. */ + uint_fast32_t height; + + /* The horizontal offset from the origin of the reference grid to the + left side of the image area. */ + uint_fast32_t xoff; + + /* The vertical offset from the origin of the reference grid to the + top side of the image area. */ + uint_fast32_t yoff; + + /* The nominal width of a tile in units of the reference grid. */ + uint_fast32_t tilewidth; + + /* The nominal height of a tile in units of the reference grid. */ + uint_fast32_t tileheight; + + /* The horizontal offset from the origin of the reference grid to the + left side of the first tile. */ + uint_fast32_t tilexoff; + + /* The vertical offset from the origin of the reference grid to the + top side of the first tile. */ + uint_fast32_t tileyoff; + + /* The number of components. */ + uint_fast16_t numcomps; + + /* The per-component information. */ + jpc_sizcomp_t *comps; + +} jpc_siz_t; + +/**************************************\ +* COD marker segment parameters. +\**************************************/ + +/* + * Coding style constants. + */ + +/* Precincts may be used. */ +#define JPC_COX_PRT 0x01 +/* SOP marker segments may be used. */ +#define JPC_COD_SOP 0x02 +/* EPH marker segments may be used. */ +#define JPC_COD_EPH 0x04 + +/* + * Progression order constants. + */ + +/* Layer-resolution-component-precinct progressive + (i.e., progressive by fidelity). */ +#define JPC_COD_LRCPPRG 0 +/* Resolution-layer-component-precinct progressive + (i.e., progressive by resolution). */ +#define JPC_COD_RLCPPRG 1 +/* Resolution-precinct-component-layer progressive. */ +#define JPC_COD_RPCLPRG 2 +/* Precinct-component-resolution-layer progressive. */ +#define JPC_COD_PCRLPRG 3 +/* Component-position-resolution-layer progressive. */ +#define JPC_COD_CPRLPRG 4 + +/* + * Code block style constants. + */ + +#define JPC_COX_LAZY 0x01 /* Selective arithmetic coding bypass. */ +#define JPC_COX_RESET 0x02 /* Reset context probabilities. */ +#define JPC_COX_TERMALL 0x04 /* Terminate all coding passes. */ +#define JPC_COX_VSC 0x08 /* Vertical stripe causal context formation. */ +#define JPC_COX_PTERM 0x10 /* Predictable termination. */ +#define JPC_COX_SEGSYM 0x20 /* Use segmentation symbols. */ + +/* Transform constants. */ +#define JPC_COX_INS 0x00 /* Irreversible 9/7. */ +#define JPC_COX_RFT 0x01 /* Reversible 5/3. */ + +/* Multicomponent transform constants. */ +#define JPC_COD_NOMCT 0x00 /* No multicomponent transform. */ +#define JPC_COD_MCT 0x01 /* Multicomponent transform. */ + +/* Get the code block size value from the code block size exponent. */ +#define JPC_COX_CBLKSIZEEXPN(x) ((x) - 2) +/* Get the code block size exponent from the code block size value. */ +#define JPC_COX_GETCBLKSIZEEXPN(x) ((x) + 2) + +/* Per resolution-level information. */ + +typedef struct { + + /* The packet partition width. */ + uint_fast8_t parwidthval; + + /* The packet partition height. */ + uint_fast8_t parheightval; + +} jpc_coxrlvl_t; + +/* Per component information. */ + +typedef struct { + + /* The coding style. */ + uint_fast8_t csty; + + /* The number of decomposition levels. */ + uint_fast8_t numdlvls; + + /* The nominal code block width specifier. */ + uint_fast8_t cblkwidthval; + + /* The nominal code block height specifier. */ + uint_fast8_t cblkheightval; + + /* The style of coding passes. */ + uint_fast8_t cblksty; + + /* The QMFB employed. */ + uint_fast8_t qmfbid; + + /* The number of resolution levels. */ + int numrlvls; + + /* The per-resolution-level information. */ + jpc_coxrlvl_t rlvls[JPC_MAXRLVLS]; + +} jpc_coxcp_t; + +/* COD marker segment parameters. */ + +typedef struct { + + /* The general coding style. */ + uint_fast8_t csty; + + /* The progression order. */ + uint_fast8_t prg; + + /* The number of layers. */ + uint_fast16_t numlyrs; + + /* The multicomponent transform. */ + uint_fast8_t mctrans; + + /* Component-related parameters. */ + jpc_coxcp_t compparms; + +} jpc_cod_t; + +/* COC marker segment parameters. */ + +typedef struct { + + /* The component number. */ + uint_fast16_t compno; + + /* Component-related parameters. */ + jpc_coxcp_t compparms; + +} jpc_coc_t; + +/**************************************\ +* RGN marker segment parameters. +\**************************************/ + +/* The maxshift ROI style. */ +#define JPC_RGN_MAXSHIFT 0x00 + +typedef struct { + + /* The component to which the marker applies. */ + uint_fast16_t compno; + + /* The ROI style. */ + uint_fast8_t roisty; + + /* The ROI shift value. */ + uint_fast8_t roishift; + +} jpc_rgn_t; + +/**************************************\ +* QCD/QCC marker segment parameters. +\**************************************/ + +/* + * Quantization style constants. + */ + +#define JPC_QCX_NOQNT 0 /* No quantization. */ +#define JPC_QCX_SIQNT 1 /* Scalar quantization, implicit. */ +#define JPC_QCX_SEQNT 2 /* Scalar quantization, explicit. */ + +/* + * Stepsize manipulation macros. + */ + +#define JPC_QCX_GETEXPN(x) ((x) >> 11) +#define JPC_QCX_GETMANT(x) ((x) & 0x07ff) +#define JPC_QCX_EXPN(x) (assert(!((x) & (~0x1f))), (((x) & 0x1f) << 11)) +#define JPC_QCX_MANT(x) (assert(!((x) & (~0x7ff))), ((x) & 0x7ff)) + +/* Per component information. */ + +typedef struct { + + /* The quantization style. */ + uint_fast8_t qntsty; + + /* The number of step sizes. */ + int numstepsizes; + + /* The step sizes. */ + uint_fast16_t *stepsizes; + + /* The number of guard bits. */ + uint_fast8_t numguard; + +} jpc_qcxcp_t; + +/* QCC marker segment parameters. */ + +typedef struct { + + /* The component associated with this marker segment. */ + uint_fast16_t compno; + + /* The parameters. */ + jpc_qcxcp_t compparms; + +} jpc_qcc_t; + +/* QCD marker segment parameters. */ + +typedef struct { + + /* The parameters. */ + jpc_qcxcp_t compparms; + +} jpc_qcd_t; + +/**************************************\ +* POD marker segment parameters. +\**************************************/ + +typedef struct { + + /* The progression order. */ + uint_fast8_t prgord; + + /* The lower bound (inclusive) on the resolution level for the + progression order volume. */ + uint_fast8_t rlvlnostart; + + /* The upper bound (exclusive) on the resolution level for the + progression order volume. */ + uint_fast8_t rlvlnoend; + + /* The lower bound (inclusive) on the component for the progression + order volume. */ + uint_fast16_t compnostart; + + /* The upper bound (exclusive) on the component for the progression + order volume. */ + uint_fast16_t compnoend; + + /* The upper bound (exclusive) on the layer for the progression + order volume. */ + uint_fast16_t lyrnoend; + +} jpc_pocpchg_t; + +/* An alias for the above type. */ +typedef jpc_pocpchg_t jpc_pchg_t; + +/* POC marker segment parameters. */ + +typedef struct { + + /* The number of progression order changes. */ + int numpchgs; + + /* The per-progression-order-change information. */ + jpc_pocpchg_t *pchgs; + +} jpc_poc_t; + +/**************************************\ +* PPM/PPT marker segment parameters. +\**************************************/ + +/* PPM marker segment parameters. */ + +typedef struct { + + /* The index. */ + uint_fast8_t ind; + + /* The length. */ + uint_fast16_t len; + + /* The data. */ + unsigned char *data; + +} jpc_ppm_t; + +/* PPT marker segment parameters. */ + +typedef struct { + + /* The index. */ + uint_fast8_t ind; + + /* The length. */ + uint_fast32_t len; + + /* The data. */ + unsigned char *data; + +} jpc_ppt_t; + +/**************************************\ +* COM marker segment parameters. +\**************************************/ + +/* + * Registration IDs. + */ + +#define JPC_COM_BIN 0x00 +#define JPC_COM_LATIN 0x01 + +typedef struct { + + /* The registration ID. */ + uint_fast16_t regid; + + /* The length of the data in bytes. */ + uint_fast16_t len; + + /* The data. */ + unsigned char *data; + +} jpc_com_t; + +/**************************************\ +* SOP marker segment parameters. +\**************************************/ + +typedef struct { + + /* The sequence number. */ + uint_fast16_t seqno; + +} jpc_sop_t; + +/**************************************\ +* CRG marker segment parameters. +\**************************************/ + +/* Per component information. */ + +typedef struct { + + /* The horizontal offset. */ + uint_fast16_t hoff; + + /* The vertical offset. */ + uint_fast16_t voff; + +} jpc_crgcomp_t; + +typedef struct { + + /* The number of components. */ + int numcomps; + + /* Per component information. */ + jpc_crgcomp_t *comps; + +} jpc_crg_t; + +/**************************************\ +* Marker segment parameters for unknown marker type. +\**************************************/ + +typedef struct { + + /* The data. */ + unsigned char *data; + + /* The length. */ + uint_fast16_t len; + +} jpc_unk_t; + +/**************************************\ +* Generic marker segment parameters. +\**************************************/ + +typedef union { + int soc; /* unused */ + jpc_sot_t sot; + int sod; /* unused */ + int eoc; /* unused */ + jpc_siz_t siz; + jpc_cod_t cod; + jpc_coc_t coc; + jpc_rgn_t rgn; + jpc_qcd_t qcd; + jpc_qcc_t qcc; + jpc_poc_t poc; + /* jpc_plm_t plm; */ + /* jpc_plt_t plt; */ + jpc_ppm_t ppm; + jpc_ppt_t ppt; + jpc_sop_t sop; + int eph; /* unused */ + jpc_com_t com; + jpc_crg_t crg; + jpc_unk_t unk; +} jpc_msparms_t; + +/**************************************\ +* Marker segment. +\**************************************/ + +/* Marker segment IDs. */ + +/* The smallest valid marker value. */ +#define JPC_MS_MIN 0xff00 + +/* The largest valid marker value. */ +#define JPC_MS_MAX 0xffff + +/* The minimum marker value that cannot occur within packet data. */ +#define JPC_MS_INMIN 0xff80 +/* The maximum marker value that cannot occur within packet data. */ +#define JPC_MS_INMAX 0xffff + +/* Delimiting marker segments. */ +#define JPC_MS_SOC 0xff4f /* Start of code stream (SOC). */ +#define JPC_MS_SOT 0xff90 /* Start of tile-part (SOT). */ +#define JPC_MS_SOD 0xff93 /* Start of data (SOD). */ +#define JPC_MS_EOC 0xffd9 /* End of code stream (EOC). */ + +/* Fixed information marker segments. */ +#define JPC_MS_SIZ 0xff51 /* Image and tile size (SIZ). */ + +/* Functional marker segments. */ +#define JPC_MS_COD 0xff52 /* Coding style default (COD). */ +#define JPC_MS_COC 0xff53 /* Coding style component (COC). */ +#define JPC_MS_RGN 0xff5e /* Region of interest (RGN). */ +#define JPC_MS_QCD 0xff5c /* Quantization default (QCD). */ +#define JPC_MS_QCC 0xff5d /* Quantization component (QCC). */ +#define JPC_MS_POC 0xff5f /* Progression order default (POC). */ + +/* Pointer marker segments. */ +#define JPC_MS_TLM 0xff55 /* Tile-part lengths, main header (TLM). */ +#define JPC_MS_PLM 0xff57 /* Packet length, main header (PLM). */ +#define JPC_MS_PLT 0xff58 /* Packet length, tile-part header (PLT). */ +#define JPC_MS_PPM 0xff60 /* Packed packet headers, main header (PPM). */ +#define JPC_MS_PPT 0xff61 /* Packet packet headers, tile-part header (PPT). */ + +/* In bit stream marker segments. */ +#define JPC_MS_SOP 0xff91 /* Start of packet (SOP). */ +#define JPC_MS_EPH 0xff92 /* End of packet header (EPH). */ + +/* Informational marker segments. */ +#define JPC_MS_CRG 0xff63 /* Component registration (CRG). */ +#define JPC_MS_COM 0xff64 /* Comment (COM). */ + +/* Forward declaration. */ +struct jpc_msops_s; + +/* Generic marker segment class. */ + +typedef struct { + + /* The type of marker segment. */ + uint_fast16_t id; + + /* The length of the marker segment. */ + uint_fast16_t len; + + /* The starting offset within the stream. */ + uint_fast32_t off; + + /* The parameters of the marker segment. */ + jpc_msparms_t parms; + + /* The marker segment operations. */ + struct jpc_msops_s *ops; + +} jpc_ms_t; + +/* Marker segment operations (which depend on the marker segment type). */ + +typedef struct jpc_msops_s { + + /* Destroy the marker segment parameters. */ + void (*destroyparms)(jpc_ms_t *ms); + + /* Get the marker segment parameters from a stream. */ + int (*getparms)(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); + + /* Put the marker segment parameters to a stream. */ + int (*putparms)(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); + + /* Dump the marker segment parameters (for debugging). */ + int (*dumpparms)(jpc_ms_t *ms, FILE *out); + +} jpc_msops_t; + +/******************************************************************************\ +* Macros/Functions. +\******************************************************************************/ + +/* Create a code-stream state object. */ +jpc_cstate_t *jpc_cstate_create(void); + +/* Destroy a code-stream state object. */ +void jpc_cstate_destroy(jpc_cstate_t *cstate); + +/* Create a marker segment. */ +jpc_ms_t *jpc_ms_create(int type); + +/* Destroy a marker segment. */ +void jpc_ms_destroy(jpc_ms_t *ms); + +/* Does a marker segment have parameters? */ +#define JPC_MS_HASPARMS(x) \ + (!((x) == JPC_MS_SOC || (x) == JPC_MS_SOD || (x) == JPC_MS_EOC || \ + (x) == JPC_MS_EPH || ((x) >= 0xff30 && (x) <= 0xff3f))) + +/* Get the marker segment type. */ +#define jpc_ms_gettype(ms) \ + ((ms)->id) + +/* Read a marker segment from a stream. */ +jpc_ms_t *jpc_getms(jas_stream_t *in, jpc_cstate_t *cstate); + +/* Write a marker segment to a stream. */ +int jpc_putms(jas_stream_t *out, jpc_cstate_t *cstate, jpc_ms_t *ms); + +/* Copy code stream data from one stream to another. */ +int jpc_getdata(jas_stream_t *in, jas_stream_t *out, long n); + +/* Copy code stream data from one stream to another. */ +int jpc_putdata(jas_stream_t *out, jas_stream_t *in, long n); + +/* Dump a marker segment (for debugging). */ +void jpc_ms_dump(jpc_ms_t *ms, FILE *out); + +/* Read a 8-bit unsigned integer from a stream. */ +int jpc_getuint8(jas_stream_t *in, uint_fast8_t *val); + +/* Read a 16-bit unsigned integer from a stream. */ +int jpc_getuint16(jas_stream_t *in, uint_fast16_t *val); + +/* Read a 32-bit unsigned integer from a stream. */ +int jpc_getuint32(jas_stream_t *in, uint_fast32_t *val); + +/* Write a 8-bit unsigned integer to a stream. */ +int jpc_putuint8(jas_stream_t *out, uint_fast8_t val); + +/* Write a 16-bit unsigned integer to a stream. */ +int jpc_putuint16(jas_stream_t *out, uint_fast16_t val); + +/* Write a 32-bit unsigned integer to a stream. */ +int jpc_putuint32(jas_stream_t *out, uint_fast32_t val); + +#endif |