764 lines
20 KiB
C
764 lines
20 KiB
C
/*
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of
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* British Columbia.
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* Copyright (c) 2001-2002 Michael David Adams.
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* All rights reserved.
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*/
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/* __START_OF_JASPER_LICENSE__
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*
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* JasPer License Version 2.0
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*
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* Copyright (c) 2001-2006 Michael David Adams
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* Copyright (c) 1999-2000 Image Power, Inc.
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* Copyright (c) 1999-2000 The University of British Columbia
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*
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person (the
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* "User") obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* 1. The above copyright notices and this permission notice (which
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* includes the disclaimer below) shall be included in all copies or
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* substantial portions of the Software.
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*
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* 2. The name of a copyright holder shall not be used to endorse or
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* promote products derived from the Software without specific prior
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* written permission.
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*
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* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
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* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
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* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
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* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
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* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
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* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
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* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
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* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
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* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
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* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
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* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
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* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
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* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
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* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
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* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
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* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
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* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
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* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
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* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
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*
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* __END_OF_JASPER_LICENSE__
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*/
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/*
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* JPEG-2000 Code Stream Library
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*
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* $Id: jpc_cs.h,v 1.2 2008-05-26 09:40:52 vp153 Exp $
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*/
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#ifndef JPC_CS_H
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#define JPC_CS_H
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/******************************************************************************\
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* Includes.
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\******************************************************************************/
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#include "jasper/jas_image.h"
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#include "jasper/jas_stream.h"
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#include "jpc_cod.h"
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/******************************************************************************\
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* Constants and Types.
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\******************************************************************************/
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/* The maximum number of resolution levels. */
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#define JPC_MAXRLVLS 33
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/* The maximum number of bands. */
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#define JPC_MAXBANDS (3 * JPC_MAXRLVLS + 1)
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/* The maximum number of layers. */
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#define JPC_MAXLYRS 16384
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/**************************************\
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* Code stream.
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\**************************************/
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/*
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* Code stream states.
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*/
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/* Initial. */
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#define JPC_CS_INIT 0
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/* Main header. */
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#define JPC_CS_MHDR 1
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/* Tile-part header. */
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#define JPC_CS_THDR 2
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/* Main trailer. */
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#define JPC_CS_MTLR 3
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/* Tile-part data. */
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#define JPC_CS_TDATA 4
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/*
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* Unfortunately, the code stream syntax was not designed in such a way that
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* any given marker segment can be correctly decoded without additional state
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* derived from previously decoded marker segments.
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* For example, a RGN/COC/QCC marker segment cannot be decoded unless the
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* number of components is known.
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*/
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/*
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* Code stream state information.
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*/
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typedef struct {
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/* The number of components. */
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uint_fast16_t numcomps;
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} jpc_cstate_t;
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/**************************************\
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* SOT marker segment parameters.
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\**************************************/
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typedef struct {
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/* The tile number. */
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uint_fast16_t tileno;
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/* The combined length of the marker segment and its auxilary data
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(i.e., packet data). */
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uint_fast32_t len;
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/* The tile-part instance. */
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uint_fast8_t partno;
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/* The number of tile-parts. */
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uint_fast8_t numparts;
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} jpc_sot_t;
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/**************************************\
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* SIZ marker segment parameters.
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\**************************************/
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/* Per component information. */
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typedef struct {
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/* The precision of the samples. */
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uint_fast8_t prec;
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/* The signedness of the samples. */
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uint_fast8_t sgnd;
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/* The horizontal separation of samples with respect to the reference
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grid. */
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uint_fast8_t hsamp;
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/* The vertical separation of samples with respect to the reference
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grid. */
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uint_fast8_t vsamp;
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} jpc_sizcomp_t;
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/* SIZ marker segment parameters. */
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typedef struct {
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/* The code stream capabilities. */
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uint_fast16_t caps;
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/* The width of the image in units of the reference grid. */
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uint_fast32_t width;
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/* The height of the image in units of the reference grid. */
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uint_fast32_t height;
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/* The horizontal offset from the origin of the reference grid to the
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left side of the image area. */
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uint_fast32_t xoff;
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/* The vertical offset from the origin of the reference grid to the
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top side of the image area. */
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uint_fast32_t yoff;
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/* The nominal width of a tile in units of the reference grid. */
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uint_fast32_t tilewidth;
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/* The nominal height of a tile in units of the reference grid. */
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uint_fast32_t tileheight;
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/* The horizontal offset from the origin of the reference grid to the
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left side of the first tile. */
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uint_fast32_t tilexoff;
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/* The vertical offset from the origin of the reference grid to the
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top side of the first tile. */
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uint_fast32_t tileyoff;
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/* The number of components. */
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uint_fast16_t numcomps;
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/* The per-component information. */
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jpc_sizcomp_t *comps;
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} jpc_siz_t;
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/**************************************\
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* COD marker segment parameters.
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\**************************************/
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/*
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* Coding style constants.
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*/
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/* Precincts may be used. */
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#define JPC_COX_PRT 0x01
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/* SOP marker segments may be used. */
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#define JPC_COD_SOP 0x02
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/* EPH marker segments may be used. */
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#define JPC_COD_EPH 0x04
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/*
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* Progression order constants.
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*/
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/* Layer-resolution-component-precinct progressive
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(i.e., progressive by fidelity). */
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#define JPC_COD_LRCPPRG 0
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/* Resolution-layer-component-precinct progressive
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(i.e., progressive by resolution). */
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#define JPC_COD_RLCPPRG 1
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/* Resolution-precinct-component-layer progressive. */
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#define JPC_COD_RPCLPRG 2
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/* Precinct-component-resolution-layer progressive. */
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#define JPC_COD_PCRLPRG 3
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/* Component-position-resolution-layer progressive. */
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#define JPC_COD_CPRLPRG 4
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/*
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* Code block style constants.
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*/
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#define JPC_COX_LAZY 0x01 /* Selective arithmetic coding bypass. */
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#define JPC_COX_RESET 0x02 /* Reset context probabilities. */
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#define JPC_COX_TERMALL 0x04 /* Terminate all coding passes. */
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#define JPC_COX_VSC 0x08 /* Vertical stripe causal context formation. */
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#define JPC_COX_PTERM 0x10 /* Predictable termination. */
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#define JPC_COX_SEGSYM 0x20 /* Use segmentation symbols. */
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/* Transform constants. */
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#define JPC_COX_INS 0x00 /* Irreversible 9/7. */
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#define JPC_COX_RFT 0x01 /* Reversible 5/3. */
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/* Multicomponent transform constants. */
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#define JPC_COD_NOMCT 0x00 /* No multicomponent transform. */
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#define JPC_COD_MCT 0x01 /* Multicomponent transform. */
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/* Get the code block size value from the code block size exponent. */
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#define JPC_COX_CBLKSIZEEXPN(x) ((x) - 2)
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/* Get the code block size exponent from the code block size value. */
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#define JPC_COX_GETCBLKSIZEEXPN(x) ((x) + 2)
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/* Per resolution-level information. */
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typedef struct {
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/* The packet partition width. */
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uint_fast8_t parwidthval;
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/* The packet partition height. */
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uint_fast8_t parheightval;
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} jpc_coxrlvl_t;
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/* Per component information. */
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typedef struct {
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/* The coding style. */
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uint_fast8_t csty;
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/* The number of decomposition levels. */
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uint_fast8_t numdlvls;
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/* The nominal code block width specifier. */
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uint_fast8_t cblkwidthval;
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/* The nominal code block height specifier. */
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uint_fast8_t cblkheightval;
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/* The style of coding passes. */
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uint_fast8_t cblksty;
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/* The QMFB employed. */
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uint_fast8_t qmfbid;
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/* The number of resolution levels. */
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int numrlvls;
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/* The per-resolution-level information. */
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jpc_coxrlvl_t rlvls[JPC_MAXRLVLS];
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} jpc_coxcp_t;
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/* COD marker segment parameters. */
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typedef struct {
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/* The general coding style. */
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uint_fast8_t csty;
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/* The progression order. */
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uint_fast8_t prg;
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/* The number of layers. */
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uint_fast16_t numlyrs;
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/* The multicomponent transform. */
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uint_fast8_t mctrans;
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/* Component-related parameters. */
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jpc_coxcp_t compparms;
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} jpc_cod_t;
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/* COC marker segment parameters. */
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typedef struct {
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/* The component number. */
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uint_fast16_t compno;
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/* Component-related parameters. */
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jpc_coxcp_t compparms;
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} jpc_coc_t;
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/**************************************\
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* RGN marker segment parameters.
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\**************************************/
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/* The maxshift ROI style. */
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#define JPC_RGN_MAXSHIFT 0x00
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typedef struct {
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/* The component to which the marker applies. */
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uint_fast16_t compno;
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/* The ROI style. */
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uint_fast8_t roisty;
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/* The ROI shift value. */
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uint_fast8_t roishift;
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} jpc_rgn_t;
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/**************************************\
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* QCD/QCC marker segment parameters.
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\**************************************/
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/*
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* Quantization style constants.
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*/
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#define JPC_QCX_NOQNT 0 /* No quantization. */
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#define JPC_QCX_SIQNT 1 /* Scalar quantization, implicit. */
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#define JPC_QCX_SEQNT 2 /* Scalar quantization, explicit. */
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/*
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* Stepsize manipulation macros.
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*/
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#define JPC_QCX_GETEXPN(x) ((x) >> 11)
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#define JPC_QCX_GETMANT(x) ((x) & 0x07ff)
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#define JPC_QCX_EXPN(x) (assert(!((x) & (~0x1f))), (((x) & 0x1f) << 11))
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#define JPC_QCX_MANT(x) (assert(!((x) & (~0x7ff))), ((x) & 0x7ff))
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/* Per component information. */
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typedef struct {
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/* The quantization style. */
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uint_fast8_t qntsty;
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/* The number of step sizes. */
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int numstepsizes;
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/* The step sizes. */
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uint_fast16_t *stepsizes;
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/* The number of guard bits. */
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uint_fast8_t numguard;
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} jpc_qcxcp_t;
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/* QCC marker segment parameters. */
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typedef struct {
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/* The component associated with this marker segment. */
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uint_fast16_t compno;
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/* The parameters. */
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jpc_qcxcp_t compparms;
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} jpc_qcc_t;
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/* QCD marker segment parameters. */
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typedef struct {
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/* The parameters. */
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jpc_qcxcp_t compparms;
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} jpc_qcd_t;
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/**************************************\
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* POD marker segment parameters.
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\**************************************/
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typedef struct {
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/* The progression order. */
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uint_fast8_t prgord;
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/* The lower bound (inclusive) on the resolution level for the
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progression order volume. */
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uint_fast8_t rlvlnostart;
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/* The upper bound (exclusive) on the resolution level for the
|
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progression order volume. */
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uint_fast8_t rlvlnoend;
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/* The lower bound (inclusive) on the component for the progression
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order volume. */
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uint_fast16_t compnostart;
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/* The upper bound (exclusive) on the component for the progression
|
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order volume. */
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uint_fast16_t compnoend;
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/* The upper bound (exclusive) on the layer for the progression
|
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order volume. */
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uint_fast16_t lyrnoend;
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} jpc_pocpchg_t;
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/* An alias for the above type. */
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typedef jpc_pocpchg_t jpc_pchg_t;
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/* POC marker segment parameters. */
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typedef struct {
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/* The number of progression order changes. */
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int numpchgs;
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/* The per-progression-order-change information. */
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jpc_pocpchg_t *pchgs;
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} jpc_poc_t;
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/**************************************\
|
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* PPM/PPT marker segment parameters.
|
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\**************************************/
|
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/* PPM marker segment parameters. */
|
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typedef struct {
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/* The index. */
|
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uint_fast8_t ind;
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/* The length. */
|
|
uint_fast16_t len;
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/* The data. */
|
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uchar *data;
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} jpc_ppm_t;
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|
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/* PPT marker segment parameters. */
|
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typedef struct {
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/* The index. */
|
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uint_fast8_t ind;
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/* The length. */
|
|
uint_fast32_t len;
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|
|
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/* The data. */
|
|
unsigned char *data;
|
|
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} jpc_ppt_t;
|
|
|
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/**************************************\
|
|
* COM marker segment parameters.
|
|
\**************************************/
|
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|
|
/*
|
|
* Registration IDs.
|
|
*/
|
|
|
|
#define JPC_COM_BIN 0x00
|
|
#define JPC_COM_LATIN 0x01
|
|
|
|
typedef struct {
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|
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/* The registration ID. */
|
|
uint_fast16_t regid;
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/* The length of the data in bytes. */
|
|
uint_fast16_t len;
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|
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/* The data. */
|
|
uchar *data;
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} jpc_com_t;
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/**************************************\
|
|
* SOP marker segment parameters.
|
|
\**************************************/
|
|
|
|
typedef struct {
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/* The sequence number. */
|
|
uint_fast16_t seqno;
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|
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} jpc_sop_t;
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|
|
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/**************************************\
|
|
* CRG marker segment parameters.
|
|
\**************************************/
|
|
|
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/* Per component information. */
|
|
|
|
typedef struct {
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|
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/* The horizontal offset. */
|
|
uint_fast16_t hoff;
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|
|
|
/* The vertical offset. */
|
|
uint_fast16_t voff;
|
|
|
|
} jpc_crgcomp_t;
|
|
|
|
typedef struct {
|
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|
|
/* 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. */
|
|
uchar *data;
|
|
|
|
/* The length. */
|
|
uint_fast16_t len;
|
|
|
|
} jpc_unk_t;
|
|
|
|
/**************************************\
|
|
* Generic marker segment parameters.
|
|
\**************************************/
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typedef union {
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int soc; /* unused */
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jpc_sot_t sot;
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int sod; /* unused */
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int eoc; /* unused */
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jpc_siz_t siz;
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jpc_cod_t cod;
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jpc_coc_t coc;
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jpc_rgn_t rgn;
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jpc_qcd_t qcd;
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jpc_qcc_t qcc;
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jpc_poc_t poc;
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/* jpc_plm_t plm; */
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/* jpc_plt_t plt; */
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jpc_ppm_t ppm;
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jpc_ppt_t ppt;
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jpc_sop_t sop;
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int eph; /* unused */
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jpc_com_t com;
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jpc_crg_t crg;
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jpc_unk_t unk;
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} jpc_msparms_t;
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/**************************************\
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* Marker segment.
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\**************************************/
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/* Marker segment IDs. */
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/* The smallest valid marker value. */
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#define JPC_MS_MIN 0xff00
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/* The largest valid marker value. */
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#define JPC_MS_MAX 0xffff
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/* The minimum marker value that cannot occur within packet data. */
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#define JPC_MS_INMIN 0xff80
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/* The maximum marker value that cannot occur within packet data. */
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#define JPC_MS_INMAX 0xffff
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|
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/* Delimiting marker segments. */
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#define JPC_MS_SOC 0xff4f /* Start of code stream (SOC). */
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#define JPC_MS_SOT 0xff90 /* Start of tile-part (SOT). */
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#define JPC_MS_SOD 0xff93 /* Start of data (SOD). */
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#define JPC_MS_EOC 0xffd9 /* End of code stream (EOC). */
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|
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/* Fixed information marker segments. */
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#define JPC_MS_SIZ 0xff51 /* Image and tile size (SIZ). */
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|
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/* Functional marker segments. */
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#define JPC_MS_COD 0xff52 /* Coding style default (COD). */
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#define JPC_MS_COC 0xff53 /* Coding style component (COC). */
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#define JPC_MS_RGN 0xff5e /* Region of interest (RGN). */
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#define JPC_MS_QCD 0xff5c /* Quantization default (QCD). */
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#define JPC_MS_QCC 0xff5d /* Quantization component (QCC). */
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#define JPC_MS_POC 0xff5f /* Progression order default (POC). */
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|
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/* Pointer marker segments. */
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#define JPC_MS_TLM 0xff55 /* Tile-part lengths, main header (TLM). */
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#define JPC_MS_PLM 0xff57 /* Packet length, main header (PLM). */
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#define JPC_MS_PLT 0xff58 /* Packet length, tile-part header (PLT). */
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#define JPC_MS_PPM 0xff60 /* Packed packet headers, main header (PPM). */
|
|
#define JPC_MS_PPT 0xff61 /* Packet packet headers, tile-part header (PPT). */
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|
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/* In bit stream marker segments. */
|
|
#define JPC_MS_SOP 0xff91 /* Start of packet (SOP). */
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#define JPC_MS_EPH 0xff92 /* End of packet header (EPH). */
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|
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/* Informational marker segments. */
|
|
#define JPC_MS_CRG 0xff63 /* Component registration (CRG). */
|
|
#define JPC_MS_COM 0xff64 /* Comment (COM). */
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|
|
|
/* Forward declaration. */
|
|
struct jpc_msops_s;
|
|
|
|
/* Generic marker segment class. */
|
|
|
|
typedef struct {
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|
|
|
/* 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
|