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763 lines
20 KiB
763 lines
20 KiB
/* |
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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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|
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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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/* |
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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. */ |
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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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/* 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. */ |
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uint_fast32_t len; |
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/* The data. */ |
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unsigned char *data; |
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} jpc_ppt_t; |
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/**************************************\ |
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* COM marker segment parameters. |
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\**************************************/ |
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/* |
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* Registration IDs. |
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*/ |
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#define JPC_COM_BIN 0x00 |
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#define JPC_COM_LATIN 0x01 |
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typedef struct { |
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/* The registration ID. */ |
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uint_fast16_t regid; |
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/* The length of the data in bytes. */ |
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uint_fast16_t len; |
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/* The data. */ |
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uchar *data; |
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} jpc_com_t; |
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/**************************************\ |
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* SOP marker segment parameters. |
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\**************************************/ |
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typedef struct { |
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/* The sequence number. */ |
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uint_fast16_t seqno; |
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} jpc_sop_t; |
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/**************************************\ |
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* CRG 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 horizontal offset. */ |
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uint_fast16_t hoff; |
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/* The vertical offset. */ |
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uint_fast16_t voff; |
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} jpc_crgcomp_t; |
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typedef struct { |
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/* The number of components. */ |
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int numcomps; |
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/* Per component information. */ |
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jpc_crgcomp_t *comps; |
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} jpc_crg_t; |
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/**************************************\ |
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* Marker segment parameters for unknown marker type. |
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\**************************************/ |
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typedef struct { |
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/* The data. */ |
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uchar *data; |
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/* The length. */ |
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uint_fast16_t len; |
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} jpc_unk_t; |
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/**************************************\ |
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* Generic marker segment parameters. |
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\**************************************/ |
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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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/* 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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/* Fixed information marker segments. */ |
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#define JPC_MS_SIZ 0xff51 /* Image and tile size (SIZ). */ |
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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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/* 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). */ |
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#define JPC_MS_PPT 0xff61 /* Packet packet headers, tile-part header (PPT). */ |
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/* In bit stream marker segments. */ |
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#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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/* Informational marker segments. */ |
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#define JPC_MS_CRG 0xff63 /* Component registration (CRG). */ |
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#define JPC_MS_COM 0xff64 /* Comment (COM). */ |
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/* Forward declaration. */ |
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struct jpc_msops_s; |
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/* Generic marker segment class. */ |
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typedef struct { |
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/* The type of marker segment. */ |
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uint_fast16_t id; |
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/* The length of the marker segment. */ |
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uint_fast16_t len; |
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/* The starting offset within the stream. */ |
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uint_fast32_t off; |
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/* The parameters of the marker segment. */ |
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jpc_msparms_t parms; |
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/* The marker segment operations. */ |
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struct jpc_msops_s *ops; |
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} jpc_ms_t; |
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/* Marker segment operations (which depend on the marker segment type). */ |
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typedef struct jpc_msops_s { |
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/* Destroy the marker segment parameters. */ |
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void (*destroyparms)(jpc_ms_t *ms); |
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/* Get the marker segment parameters from a stream. */ |
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int (*getparms)(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); |
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/* Put the marker segment parameters to a stream. */ |
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int (*putparms)(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); |
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/* Dump the marker segment parameters (for debugging). */ |
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int (*dumpparms)(jpc_ms_t *ms, FILE *out); |
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} jpc_msops_t; |
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/******************************************************************************\ |
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* Macros/Functions. |
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\******************************************************************************/ |
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/* Create a code-stream state object. */ |
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jpc_cstate_t *jpc_cstate_create(void); |
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/* Destroy a code-stream state object. */ |
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void jpc_cstate_destroy(jpc_cstate_t *cstate); |
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/* Create a marker segment. */ |
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jpc_ms_t *jpc_ms_create(int type); |
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/* Destroy a marker segment. */ |
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void jpc_ms_destroy(jpc_ms_t *ms); |
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/* Does a marker segment have parameters? */ |
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#define JPC_MS_HASPARMS(x) \ |
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(!((x) == JPC_MS_SOC || (x) == JPC_MS_SOD || (x) == JPC_MS_EOC || \ |
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(x) == JPC_MS_EPH || ((x) >= 0xff30 && (x) <= 0xff3f))) |
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/* Get the marker segment type. */ |
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#define jpc_ms_gettype(ms) \ |
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((ms)->id) |
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/* Read a marker segment from a stream. */ |
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jpc_ms_t *jpc_getms(jas_stream_t *in, jpc_cstate_t *cstate); |
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/* Write a marker segment to a stream. */ |
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int jpc_putms(jas_stream_t *out, jpc_cstate_t *cstate, jpc_ms_t *ms); |
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/* Copy code stream data from one stream to another. */ |
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int jpc_getdata(jas_stream_t *in, jas_stream_t *out, long n); |
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/* Copy code stream data from one stream to another. */ |
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int jpc_putdata(jas_stream_t *out, jas_stream_t *in, long n); |
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/* Dump a marker segment (for debugging). */ |
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void jpc_ms_dump(jpc_ms_t *ms, FILE *out); |
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/* Read a 8-bit unsigned integer from a stream. */ |
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int jpc_getuint8(jas_stream_t *in, uint_fast8_t *val); |
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/* Read a 16-bit unsigned integer from a stream. */ |
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int jpc_getuint16(jas_stream_t *in, uint_fast16_t *val); |
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/* Read a 32-bit unsigned integer from a stream. */ |
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int jpc_getuint32(jas_stream_t *in, uint_fast32_t *val); |
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/* Write a 8-bit unsigned integer to a stream. */ |
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int jpc_putuint8(jas_stream_t *out, uint_fast8_t val); |
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/* Write a 16-bit unsigned integer to a stream. */ |
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int jpc_putuint16(jas_stream_t *out, uint_fast16_t val); |
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/* Write a 32-bit unsigned integer to a stream. */ |
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int jpc_putuint32(jas_stream_t *out, uint_fast32_t val); |
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#endif
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