init - 初始化项目
This commit is contained in:
Lee Nony
696
3rdparty/libjasper/jpc_dec.h
vendored
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696
3rdparty/libjasper/jpc_dec.h
vendored
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/*
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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
|
||||
* "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
|
||||
* 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,
|
||||
* 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
|
||||
* 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 Decoder
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*
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* $Id: jpc_dec.h,v 1.2 2008-05-26 09:40:52 vp153 Exp $
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*/
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#ifndef JPC_DEC_H
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#define JPC_DEC_H
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/******************************************************************************\
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* Includes.
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\******************************************************************************/
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#include "jasper/jas_stream.h"
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#include "jpc_tsfb.h"
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#include "jpc_bs.h"
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#include "jpc_tagtree.h"
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#include "jpc_cs.h"
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#include "jpc_cod.h"
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#include "jpc_mqdec.h"
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#include "jpc_t2cod.h"
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/******************************************************************************\
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* Below are some ugly warts necessary to support packed packet headers.
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\******************************************************************************/
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/* PPM/PPT marker segment table entry. */
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typedef struct {
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/* The index for this entry. */
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uint_fast16_t ind;
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/* The data length. */
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uint_fast32_t len;
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/* The data. */
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uchar *data;
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} jpc_ppxstabent_t;
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/* PPM/PPT marker segment table. */
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typedef struct {
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/* The number of entries. */
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int numents;
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/* The maximum number of entries (i.e., the allocated size of the array
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below). */
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int maxents;
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/* The table entries. */
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jpc_ppxstabent_t **ents;
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} jpc_ppxstab_t;
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/* Stream list class. */
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typedef struct {
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/* The number of streams in this list. */
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int numstreams;
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/* The maximum number of streams that can be accomodated without
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growing the streams array. */
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int maxstreams;
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/* The streams. */
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jas_stream_t **streams;
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} jpc_streamlist_t;
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/******************************************************************************\
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* Coding parameters class.
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\******************************************************************************/
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/* Per-component coding parameters. */
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typedef struct {
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/* How were various coding parameters set? */
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int flags;
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/* Per-component coding style parameters (e.g., explicit precinct sizes) */
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uint_fast8_t csty;
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/* The number of resolution levels. */
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uint_fast8_t numrlvls;
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/* The code block width exponent. */
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uint_fast8_t cblkwidthexpn;
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/* The code block height exponent. */
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uint_fast8_t cblkheightexpn;
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/* The QMFB ID. */
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uint_fast8_t qmfbid;
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/* The quantization style. */
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uint_fast8_t qsty;
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/* The number of quantizer step sizes. */
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uint_fast16_t numstepsizes;
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/* The step sizes. */
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uint_fast16_t stepsizes[3 * JPC_MAXRLVLS + 1];
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/* The number of guard bits. */
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uint_fast8_t numguardbits;
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/* The ROI shift value. */
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uint_fast8_t roishift;
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/* The code block parameters. */
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uint_fast8_t cblkctx;
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/* The precinct width exponents. */
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uint_fast8_t prcwidthexpns[JPC_MAXRLVLS];
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/* The precinct height exponents. */
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uint_fast8_t prcheightexpns[JPC_MAXRLVLS];
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} jpc_dec_ccp_t;
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/* Coding paramters. */
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typedef struct {
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/* How were these coding parameters set? */
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int flags;
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/* Progression change list. */
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jpc_pchglist_t *pchglist;
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/* Progression order. */
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uint_fast8_t prgord;
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/* The number of layers. */
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uint_fast16_t numlyrs;
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/* The MCT ID. */
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uint_fast8_t mctid;
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/* The coding style parameters (e.g., SOP, EPH). */
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uint_fast8_t csty;
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/* The number of components. */
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int numcomps;
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/* The per-component coding parameters. */
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jpc_dec_ccp_t *ccps;
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} jpc_dec_cp_t;
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/******************************************************************************\
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* Decoder class.
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\******************************************************************************/
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/* Decoder per-segment state information. */
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typedef struct jpc_dec_seg_s {
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/* The next segment in the list. */
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struct jpc_dec_seg_s *next;
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/* The previous segment in the list. */
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struct jpc_dec_seg_s *prev;
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/* The starting pass number for this segment. */
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int passno;
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/* The number of passes in this segment. */
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int numpasses;
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/* The maximum number of passes in this segment. */
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int maxpasses;
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/* The type of data in this segment (i.e., MQ or raw). */
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int type;
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/* A stream containing the data for this segment. */
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jas_stream_t *stream;
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/* The number of bytes destined for this segment from the packet
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currently being decoded. */
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int cnt;
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/* A flag indicating if this segment has been terminated. */
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int complete;
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/* The layer number to which this segment belongs. */
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/* If the segment spans multiple layers, then the largest layer number
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spanned by the segment is used. */
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int lyrno;
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} jpc_dec_seg_t;
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/* Decoder segment list. */
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typedef struct {
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/* The first entry in the list. */
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jpc_dec_seg_t *head;
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/* The last entry in the list. */
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jpc_dec_seg_t *tail;
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} jpc_dec_seglist_t;
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/* Decoder per-code-block state information. */
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typedef struct {
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/* The number of passes. */
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int numpasses;
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/* A list of segments that still need to be decoded. */
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jpc_dec_seglist_t segs;
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/* The first incomplete/partial segment. */
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jpc_dec_seg_t *curseg;
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/* The number of leading insignificant bit planes for this code block. */
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int numimsbs;
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/* The number of bits used to encode pass data lengths. */
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int numlenbits;
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/* The first pass number containing data for this code block. */
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int firstpassno;
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/* The MQ decoder. */
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jpc_mqdec_t *mqdec;
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/* The raw bit stream decoder. */
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jpc_bitstream_t *nulldec;
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/* The per-sample state information for this code block. */
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jas_matrix_t *flags;
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/* The sample data associated with this code block. */
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jas_matrix_t *data;
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} jpc_dec_cblk_t;
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/* Decoder per-code-block-group state information. */
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typedef struct {
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/* The x-coordinate of the top-left corner of the precinct. */
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uint_fast32_t xstart;
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/* The y-coordinate of the top-left corner of the precinct. */
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uint_fast32_t ystart;
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/* The x-coordinate of the bottom-right corner of the precinct
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(plus one). */
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uint_fast32_t xend;
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/* The y-coordinate of the bottom-right corner of the precinct
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(plus one). */
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uint_fast32_t yend;
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/* The number of code blocks spanning this precinct in the horizontal
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direction. */
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int numhcblks;
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/* The number of code blocks spanning this precinct in the vertical
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direction. */
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int numvcblks;
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/* The total number of code blocks in this precinct. */
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int numcblks;
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/* The per code block information. */
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jpc_dec_cblk_t *cblks;
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/* The inclusion tag tree. */
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jpc_tagtree_t *incltagtree;
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/* The insignificant MSBs tag tree. */
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jpc_tagtree_t *numimsbstagtree;
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} jpc_dec_prc_t;
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/* Decoder per-band state information. */
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typedef struct {
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/* The per-code-block-group state information. */
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jpc_dec_prc_t *prcs;
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/* The sample data associated with this band. */
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jas_matrix_t *data;
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/* The orientation of this band (i.e., LL, LH, HL, or HH). */
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int orient;
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/* The encoded quantizer step size. */
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int stepsize;
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/* The absolute quantizer step size. */
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jpc_fix_t absstepsize;
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/* The number of bit planes for this band. */
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int numbps;
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/* The analysis gain associated with this band. */
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int analgain;
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/* The ROI shift value for this band. */
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int roishift;
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} jpc_dec_band_t;
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/* Decoder per-resolution-level state information. */
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typedef struct {
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||||
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/* The number of bands associated with this resolution level. */
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int numbands;
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/* The per-band information. */
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jpc_dec_band_t *bands;
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/* The x-coordinate of the top-left corner of the tile-component
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at this resolution. */
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uint_fast32_t xstart;
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/* The y-coordinate of the top-left corner of the tile-component
|
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at this resolution. */
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uint_fast32_t ystart;
|
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|
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/* The x-coordinate of the bottom-right corner of the tile-component
|
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at this resolution (plus one). */
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uint_fast32_t xend;
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/* The y-coordinate of the bottom-right corner of the tile-component
|
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at this resolution (plus one). */
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uint_fast32_t yend;
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||||
|
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/* The exponent value for the nominal precinct width measured
|
||||
relative to the associated LL band. */
|
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int prcwidthexpn;
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||||
|
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/* The exponent value for the nominal precinct height measured
|
||||
relative to the associated LL band. */
|
||||
int prcheightexpn;
|
||||
|
||||
/* The number of precincts in the horizontal direction. */
|
||||
int numhprcs;
|
||||
|
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/* The number of precincts in the vertical direction. */
|
||||
int numvprcs;
|
||||
|
||||
/* The total number of precincts. */
|
||||
int numprcs;
|
||||
|
||||
/* The exponent value for the nominal code block group width.
|
||||
This quantity is associated with the next lower resolution level
|
||||
(assuming that there is one). */
|
||||
int cbgwidthexpn;
|
||||
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||||
/* The exponent value for the nominal code block group height
|
||||
This quantity is associated with the next lower resolution level
|
||||
(assuming that there is one). */
|
||||
int cbgheightexpn;
|
||||
|
||||
/* The exponent value for the code block width. */
|
||||
uint_fast16_t cblkwidthexpn;
|
||||
|
||||
/* The exponent value for the code block height. */
|
||||
uint_fast16_t cblkheightexpn;
|
||||
|
||||
} jpc_dec_rlvl_t;
|
||||
|
||||
/* Decoder per-tile-component state information. */
|
||||
|
||||
typedef struct {
|
||||
|
||||
/* The x-coordinate of the top-left corner of the tile-component
|
||||
in the coordinate system of the tile-component. */
|
||||
uint_fast32_t xstart;
|
||||
|
||||
/* The y-coordinate of the top-left corner of the tile-component
|
||||
in the coordinate system of the tile-component. */
|
||||
uint_fast32_t ystart;
|
||||
|
||||
/* The x-coordinate of the bottom-right corner of the tile-component
|
||||
in the coordinate system of the tile-component (plus one). */
|
||||
uint_fast32_t xend;
|
||||
|
||||
/* The y-coordinate of the bottom-right corner of the tile-component
|
||||
in the coordinate system of the tile-component (plus one). */
|
||||
uint_fast32_t yend;
|
||||
|
||||
/* The component data for the current tile. */
|
||||
jas_matrix_t *data;
|
||||
|
||||
/* The number of resolution levels. */
|
||||
int numrlvls;
|
||||
|
||||
/* The per resolution level information. */
|
||||
jpc_dec_rlvl_t *rlvls;
|
||||
|
||||
/* The TSFB. */
|
||||
jpc_tsfb_t *tsfb;
|
||||
|
||||
} jpc_dec_tcomp_t;
|
||||
|
||||
/*
|
||||
* Tile states.
|
||||
*/
|
||||
|
||||
#define JPC_TILE_INIT 0
|
||||
#define JPC_TILE_ACTIVE 1
|
||||
#define JPC_TILE_ACTIVELAST 2
|
||||
#define JPC_TILE_DONE 3
|
||||
|
||||
/* Decoder per-tile state information. */
|
||||
|
||||
typedef struct {
|
||||
|
||||
/* The processing state for this tile. */
|
||||
int state;
|
||||
|
||||
/* The x-coordinate of the top-left corner of the tile on the reference
|
||||
grid. */
|
||||
uint_fast32_t xstart;
|
||||
|
||||
/* The y-coordinate of the top-left corner of the tile on the reference
|
||||
grid. */
|
||||
uint_fast32_t ystart;
|
||||
|
||||
/* The x-coordinate of the bottom-right corner of the tile on the
|
||||
reference grid (plus one). */
|
||||
uint_fast32_t xend;
|
||||
|
||||
/* The y-coordinate of the bottom-right corner of the tile on the
|
||||
reference grid (plus one). */
|
||||
uint_fast32_t yend;
|
||||
|
||||
/* The packed packet header data for this tile. */
|
||||
jpc_ppxstab_t *pptstab;
|
||||
|
||||
/* A stream containing the packed packet header data for this tile. */
|
||||
jas_stream_t *pkthdrstream;
|
||||
|
||||
/* The current position within the packed packet header stream. */
|
||||
long pkthdrstreampos;
|
||||
|
||||
/* The coding parameters for this tile. */
|
||||
jpc_dec_cp_t *cp;
|
||||
|
||||
/* The per tile-component information. */
|
||||
jpc_dec_tcomp_t *tcomps;
|
||||
|
||||
/* The next expected tile-part number. */
|
||||
int partno;
|
||||
|
||||
/* The number of tile-parts. */
|
||||
int numparts;
|
||||
|
||||
/* The coding mode. */
|
||||
int realmode;
|
||||
|
||||
/* The packet iterator for this tile. */
|
||||
jpc_pi_t *pi;
|
||||
|
||||
} jpc_dec_tile_t;
|
||||
|
||||
/* Decoder per-component state information. */
|
||||
|
||||
typedef struct {
|
||||
|
||||
/* The horizontal sampling period. */
|
||||
uint_fast32_t hstep;
|
||||
|
||||
/* The vertical sampling period. */
|
||||
uint_fast32_t vstep;
|
||||
|
||||
/* The number of samples in the horizontal direction. */
|
||||
uint_fast32_t width;
|
||||
|
||||
/* The number of samples in the vertical direction. */
|
||||
uint_fast32_t height;
|
||||
|
||||
/* The precision of the sample data. */
|
||||
uint_fast16_t prec;
|
||||
|
||||
/* The signedness of the sample data. */
|
||||
bool sgnd;
|
||||
|
||||
/* The sample alignment horizontal offset. */
|
||||
uint_fast32_t hsubstep;
|
||||
|
||||
/* The sample alignment vertical offset. */
|
||||
uint_fast32_t vsubstep;
|
||||
|
||||
} jpc_dec_cmpt_t;
|
||||
|
||||
/* Decoder state information. */
|
||||
|
||||
typedef struct {
|
||||
|
||||
/* The decoded image. */
|
||||
jas_image_t *image;
|
||||
|
||||
/* The x-coordinate of the top-left corner of the image area on
|
||||
the reference grid. */
|
||||
uint_fast32_t xstart;
|
||||
|
||||
/* The y-coordinate of the top-left corner of the image area on
|
||||
the reference grid. */
|
||||
uint_fast32_t ystart;
|
||||
|
||||
/* The x-coordinate of the bottom-right corner of the image area on
|
||||
the reference grid (plus one). */
|
||||
uint_fast32_t xend;
|
||||
|
||||
/* The y-coordinate of the bottom-right corner of the image area on
|
||||
the reference grid (plus one). */
|
||||
uint_fast32_t yend;
|
||||
|
||||
/* The nominal tile width in units of the image reference grid. */
|
||||
uint_fast32_t tilewidth;
|
||||
|
||||
/* The nominal tile height in units of the image reference grid. */
|
||||
uint_fast32_t tileheight;
|
||||
|
||||
/* The horizontal offset from the origin of the reference grid to the
|
||||
left side of the first tile. */
|
||||
uint_fast32_t tilexoff;
|
||||
|
||||
/* The vertical offset from the origin of the reference grid to the
|
||||
top side of the first tile. */
|
||||
uint_fast32_t tileyoff;
|
||||
|
||||
/* The number of tiles spanning the image area in the vertical
|
||||
direction. */
|
||||
int numhtiles;
|
||||
|
||||
/* The number of tiles spanning the image area in the horizontal
|
||||
direction. */
|
||||
int numvtiles;
|
||||
|
||||
/* The total number of tiles. */
|
||||
int numtiles;
|
||||
|
||||
/* The per-tile information. */
|
||||
jpc_dec_tile_t *tiles;
|
||||
|
||||
/* The tile currently being processed. */
|
||||
jpc_dec_tile_t *curtile;
|
||||
|
||||
/* The number of components. */
|
||||
int numcomps;
|
||||
|
||||
/* The stream containing the input JPEG-2000 code stream data. */
|
||||
jas_stream_t *in;
|
||||
|
||||
/* The default coding parameters for all tiles. */
|
||||
jpc_dec_cp_t *cp;
|
||||
|
||||
/* The maximum number of layers that may be decoded. */
|
||||
int maxlyrs;
|
||||
|
||||
/* The maximum number of packets that may be decoded. */
|
||||
int maxpkts;
|
||||
|
||||
/* The number of packets decoded so far in the processing of the entire
|
||||
code stream. */
|
||||
int numpkts;
|
||||
|
||||
/* The next expected PPM marker segment sequence number. */
|
||||
int ppmseqno;
|
||||
|
||||
/* The current state for code stream processing. */
|
||||
int state;
|
||||
|
||||
/* The per-component information. */
|
||||
jpc_dec_cmpt_t *cmpts;
|
||||
|
||||
/* The information from PPM marker segments. */
|
||||
jpc_ppxstab_t *ppmstab;
|
||||
|
||||
/* A list of streams containing packet header data from PPM marker
|
||||
segments. */
|
||||
jpc_streamlist_t *pkthdrstreams;
|
||||
|
||||
/* The expected ending offset for a tile-part. */
|
||||
long curtileendoff;
|
||||
|
||||
/* This is required by the tier-2 decoder. */
|
||||
jpc_cstate_t *cstate;
|
||||
|
||||
} jpc_dec_t;
|
||||
|
||||
/* Decoder options. */
|
||||
|
||||
typedef struct {
|
||||
|
||||
/* The debug level for the decoder. */
|
||||
int debug;
|
||||
|
||||
/* The maximum number of layers to decode. */
|
||||
int maxlyrs;
|
||||
|
||||
/* The maximum number of packets to decode. */
|
||||
int maxpkts;
|
||||
|
||||
} jpc_dec_importopts_t;
|
||||
|
||||
/******************************************************************************\
|
||||
* Functions.
|
||||
\******************************************************************************/
|
||||
|
||||
/* Create a decoder segment object. */
|
||||
jpc_dec_seg_t *jpc_seg_alloc(void);
|
||||
|
||||
/* Destroy a decoder segment object. */
|
||||
void jpc_seg_destroy(jpc_dec_seg_t *seg);
|
||||
|
||||
/* Remove a segment from a segment list. */
|
||||
void jpc_seglist_remove(jpc_dec_seglist_t *list, jpc_dec_seg_t *node);
|
||||
|
||||
/* Insert a segment into a segment list. */
|
||||
void jpc_seglist_insert(jpc_dec_seglist_t *list, jpc_dec_seg_t *ins,
|
||||
jpc_dec_seg_t *node);
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user