about summary refs log tree commit diff
path: root/converter/other/jpeg2000/libjasper/jpc/jpc_enc.h
diff options
context:
space:
mode:
Diffstat (limited to 'converter/other/jpeg2000/libjasper/jpc/jpc_enc.h')
-rw-r--r--converter/other/jpeg2000/libjasper/jpc/jpc_enc.h695
1 files changed, 695 insertions, 0 deletions
diff --git a/converter/other/jpeg2000/libjasper/jpc/jpc_enc.h b/converter/other/jpeg2000/libjasper/jpc/jpc_enc.h
new file mode 100644
index 00000000..cfd754c9
--- /dev/null
+++ b/converter/other/jpeg2000/libjasper/jpc/jpc_enc.h
@@ -0,0 +1,695 @@
+/*
+ * Copyright (c) 1999-2000 Image Power, Inc. and the University of
+ *   British Columbia.
+ * Copyright (c) 2001-2002 Michael David Adams.
+ * All rights reserved.
+ */
+
+/* __START_OF_JASPER_LICENSE__
+ * 
+ * JasPer Software License
+ * 
+ * IMAGE POWER JPEG-2000 PUBLIC LICENSE
+ * ************************************
+ * 
+ * GRANT:
+ * 
+ * Permission is hereby granted, free of charge, to any person (the "User")
+ * obtaining a copy of this software and associated documentation, to deal
+ * in the JasPer Software without restriction, including without limitation
+ * the right to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the JasPer Software (in source and binary forms),
+ * and to permit persons to whom the JasPer Software is furnished to do so,
+ * provided further that the License Conditions below are met.
+ * 
+ * License Conditions
+ * ******************
+ * 
+ * A.  Redistributions of source code must retain the above copyright notice,
+ * and this list of conditions, and the following disclaimer.
+ * 
+ * B.  Redistributions in binary form must reproduce the above copyright
+ * notice, and this list of conditions, and the following disclaimer in
+ * the documentation and/or other materials provided with the distribution.
+ * 
+ * C.  Neither the name of Image Power, Inc. nor any other contributor
+ * (including, but not limited to, the University of British Columbia and
+ * Michael David Adams) may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * 
+ * D.  User agrees that it shall not commence any action against Image Power,
+ * Inc., the University of British Columbia, Michael David Adams, or any
+ * other contributors (collectively "Licensors") for infringement of any
+ * intellectual property rights ("IPR") held by the User in respect of any
+ * technology that User owns or has a right to license or sublicense and
+ * which is an element required in order to claim compliance with ISO/IEC
+ * 15444-1 (i.e., JPEG-2000 Part 1).  "IPR" means all intellectual property
+ * rights worldwide arising under statutory or common law, and whether
+ * or not perfected, including, without limitation, all (i) patents and
+ * patent applications owned or licensable by User; (ii) rights associated
+ * with works of authorship including copyrights, copyright applications,
+ * copyright registrations, mask work rights, mask work applications,
+ * mask work registrations; (iii) rights relating to the protection of
+ * trade secrets and confidential information; (iv) any right analogous
+ * to those set forth in subsections (i), (ii), or (iii) and any other
+ * proprietary rights relating to intangible property (other than trademark,
+ * trade dress, or service mark rights); and (v) divisions, continuations,
+ * renewals, reissues and extensions of the foregoing (as and to the extent
+ * applicable) now existing, hereafter filed, issued or acquired.
+ * 
+ * E.  If User commences an infringement action against any Licensor(s) then
+ * such Licensor(s) shall have the right to terminate User's license and
+ * all sublicenses that have been granted hereunder by User to other parties.
+ * 
+ * F.  This software is for use only in hardware or software products that
+ * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1).  No license
+ * or right to this Software is granted for products that do not comply
+ * with ISO/IEC 15444-1.  The JPEG-2000 Part 1 standard can be purchased
+ * from the ISO.
+ * 
+ * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
+ * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
+ * THIS DISCLAIMER.  THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND
+ * CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY
+ * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
+ * WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE,
+ * IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING.  THOSE INTENDING
+ * TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE
+ * OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING
+ * PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS.
+ * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE
+ * IS WITH THE USER.  SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE
+ * IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY
+ * OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY
+ * OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING,
+ * REPAIR OR CORRECTION.  UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY,
+ * WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE
+ * INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC.,
+ * MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE
+ * JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO
+ * THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION,
+ * DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR
+ * MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF
+ * SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY
+ * OF SUCH DAMAGES.  THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT
+ * FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR
+ * RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING
+ * FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES,
+ * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT
+ * LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
+ * JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY
+ * TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE
+ * ("HIGH RISK ACTIVITIES").  LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS
+ * OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.  USER WILL NOT
+ * KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING
+ * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS
+ * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE
+ * NOTICE SPECIFIED IN THIS SECTION.
+ * 
+ * __END_OF_JASPER_LICENSE__
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef JPC_ENC_H
+#define JPC_ENC_H
+
+/******************************************************************************\
+* Includes.
+\******************************************************************************/
+
+#include "jasper/jas_seq.h"
+
+#include "jpc_t2cod.h"
+#include "jpc_mqenc.h"
+#include "jpc_cod.h"
+#include "jpc_tagtree.h"
+#include "jpc_cs.h"
+#include "jpc_flt.h"
+#include "jpc_tsfb.h"
+
+/******************************************************************************\
+* Constants.
+\******************************************************************************/
+
+/* The number of bits used in various lookup tables. */
+#define	JPC_NUMEXTRABITS	JPC_NMSEDEC_FRACBITS
+
+/* An invalid R-D slope value. */
+#define	JPC_BADRDSLOPE	(-1)
+
+/******************************************************************************\
+* Coding parameters types.
+\******************************************************************************/
+
+/* Per-component coding paramters. */
+
+typedef struct {
+
+	/* The horizontal sampling period. */
+	uint_fast8_t sampgrdstepx;
+
+	/* The vertical sampling period. */
+	uint_fast8_t sampgrdstepy;
+
+	/* The sample alignment horizontal offset. */
+	uint_fast8_t sampgrdsubstepx;
+
+	/* The sample alignment vertical offset. */
+	uint_fast8_t sampgrdsubstepy;
+
+	/* The precision of the samples. */
+	uint_fast8_t prec;
+
+	/* The signedness of the samples. */
+	bool sgnd;
+
+	/* The number of step sizes. */
+	uint_fast16_t numstepsizes;
+
+	/* The quantizer step sizes. */
+	uint_fast16_t stepsizes[JPC_MAXBANDS];
+
+} jpc_enc_ccp_t;
+
+/* Per-tile coding parameters. */
+
+typedef struct {
+
+	/* The coding mode. */
+	bool intmode;
+
+	/* The coding style (i.e., SOP, EPH). */
+	uint_fast8_t csty;
+
+	/* The progression order. */
+	uint_fast8_t prg;
+
+	/* The multicomponent transform. */
+	uint_fast8_t mctid;
+
+	/* The number of layers. */
+	uint_fast16_t numlyrs;
+
+	/* The normalized bit rates associated with the various
+	  intermediate layers. */
+	jpc_fix_t *ilyrrates;
+
+} jpc_enc_tcp_t;
+
+/* Per tile-component coding parameters. */
+
+typedef struct {
+
+	/* The coding style (i.e., explicit precinct sizes). */
+	uint_fast8_t csty;
+
+	/* The maximum number of resolution levels allowed. */
+	uint_fast8_t maxrlvls;
+
+	/* The exponent for the nominal code block width. */
+	uint_fast16_t cblkwidthexpn;
+
+	/* The exponent for the nominal code block height. */
+	uint_fast16_t cblkheightexpn;
+
+	/* The code block style parameters (e.g., lazy, terminate all,
+	  segmentation symbols, causal, reset probability models). */
+	uint_fast8_t cblksty;
+
+	/* The QMFB. */
+	uint_fast8_t qmfbid;
+
+	/* The precinct width values. */
+	uint_fast16_t prcwidthexpns[JPC_MAXRLVLS];
+
+	/* The precinct height values. */
+	uint_fast16_t prcheightexpns[JPC_MAXRLVLS];
+
+	/* The number of guard bits. */
+	uint_fast8_t numgbits;
+
+} jpc_enc_tccp_t;
+
+/* Coding parameters. */
+
+typedef struct {
+
+	/* The debug level. */
+	int debug;
+
+	/* The horizontal offset from the origin of the reference grid to the
+	  left edge of the image area. */
+	uint_fast32_t imgareatlx;
+
+	/* The vertical offset from the origin of the reference grid to the
+	  top edge of the image area. */
+	uint_fast32_t imgareatly;
+
+	/* The horizontal offset from the origin of the reference grid to the
+	  right edge of the image area (plus one). */
+	uint_fast32_t refgrdwidth;
+
+	/* The vertical offset from the origin of the reference grid to the
+	  bottom edge of the image area (plus one). */
+	uint_fast32_t refgrdheight;
+
+	/* The horizontal offset from the origin of the tile grid to the
+	  origin of the reference grid. */
+	uint_fast32_t tilegrdoffx;
+
+	/* The vertical offset from the origin of the tile grid to the
+	  origin of the reference grid. */
+	uint_fast32_t tilegrdoffy;
+
+	/* 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 number of tiles spanning the image area in the horizontal
+	  direction. */
+	uint_fast32_t numhtiles;
+
+	/* The number of tiles spanning the image area in the vertical
+	  direction. */
+	uint_fast32_t numvtiles;
+
+	/* The number of tiles. */
+	uint_fast32_t numtiles;
+
+	/* The number of components. */
+	uint_fast16_t numcmpts;
+
+	/* The per-component coding parameters. */
+	jpc_enc_ccp_t *ccps;
+
+	/* The per-tile coding parameters. */
+	jpc_enc_tcp_t tcp;
+
+	/* The per-tile-component coding parameters. */
+	jpc_enc_tccp_t tccp;
+
+	/* The target code stream length in bytes. */
+	uint_fast32_t totalsize;
+
+	/* The raw (i.e., uncompressed) size of the image in bytes. */
+	uint_fast32_t rawsize;
+
+} jpc_enc_cp_t;
+
+/******************************************************************************\
+* Encoder class.
+\******************************************************************************/
+
+/* Encoder per-coding-pass state information. */
+
+typedef struct {
+
+	/* The starting offset for this pass. */
+	int start;
+
+	/* The ending offset for this pass. */
+	int end;
+
+	/* The type of data in this pass (i.e., MQ or raw). */
+	int type;
+
+	/* Flag indicating that this pass is terminated. */
+	int term;
+
+	/* The entropy coder state after coding this pass. */
+	jpc_mqencstate_t mqencstate;
+
+	/* The layer to which this pass has been assigned. */
+	int lyrno;
+
+	/* The R-D slope for this pass. */
+	jpc_flt_t rdslope;
+
+	/* The weighted MSE reduction associated with this pass. */
+	jpc_flt_t wmsedec;
+
+	/* The cumulative weighted MSE reduction. */
+	jpc_flt_t cumwmsedec;
+
+	/* The normalized MSE reduction. */
+	long nmsedec;
+
+} jpc_enc_pass_t;
+
+/* Encoder per-code-block state information. */
+
+typedef struct {
+
+	/* The number of passes. */
+	int numpasses;
+
+	/* The per-pass information. */
+	jpc_enc_pass_t *passes;
+
+	/* The number of passes encoded so far. */
+	int numencpasses;
+
+	/* The number of insignificant MSBs. */
+	int numimsbs;
+
+	/* The number of bits used to encode pass data lengths. */
+	int numlenbits;
+
+	/* The byte stream for this code block. */
+	jas_stream_t *stream;
+
+	/* The entropy encoder. */
+	jpc_mqenc_t *mqenc;
+
+	/* The data for this code block. */
+	jas_matrix_t *data;
+
+	/* The state for this code block. */
+	jas_matrix_t *flags;
+
+	/* The number of bit planes required for this code block. */
+	int numbps;
+
+	/* The next pass to be encoded. */
+	jpc_enc_pass_t *curpass;
+
+	/* The per-code-block-group state information. */
+	struct jpc_enc_prc_s *prc;
+
+	/* The saved current pass. */
+	/* This is used by the rate control code. */
+	jpc_enc_pass_t *savedcurpass;
+
+	/* The saved length indicator size. */
+	/* This is used by the rate control code. */
+	int savednumlenbits;
+
+	/* The saved number of encoded passes. */
+	/* This is used by the rate control code. */
+	int savednumencpasses;
+
+} jpc_enc_cblk_t;
+
+/* Encoder per-code-block-group state information. */
+
+typedef struct jpc_enc_prc_s {
+
+	/* The x-coordinate of the top-left corner of the precinct. */
+	uint_fast32_t tlx;
+
+	/* The y-coordinate of the top-left corner of the precinct. */
+	uint_fast32_t tly;
+
+	/* The x-coordinate of the bottom-right corner of the precinct
+	  (plus one). */
+	uint_fast32_t brx;
+
+	/* The y-coordinate of the bottom-right corner of the precinct
+	  (plus one). */
+	uint_fast32_t bry;
+
+	/* The number of code blocks spanning the precinct in the horizontal
+	direction. */
+	int numhcblks;
+
+	/* The number of code blocks spanning the precinct in the vertical
+	direction. */
+	int numvcblks;
+
+	/* The total number of code blocks. */
+	int numcblks;
+
+	/* The per-code-block information. */
+	jpc_enc_cblk_t *cblks;
+
+	/* The inclusion tag tree. */
+	jpc_tagtree_t *incltree;
+
+	/* The insignifcant MSBs tag tree. */
+	jpc_tagtree_t *nlibtree;
+
+	/* The per-band information. */
+	struct jpc_enc_band_s *band;
+
+	/* The saved inclusion tag tree. */
+	/* This is used by rate control. */
+	jpc_tagtree_t *savincltree;
+
+	/* The saved leading-insignificant-bit-planes tag tree. */
+	/* This is used by rate control. */
+	jpc_tagtree_t *savnlibtree;
+
+} jpc_enc_prc_t;
+
+/* Encoder per-band state information. */
+
+typedef struct jpc_enc_band_s {
+
+	/* The per precinct information. */
+	jpc_enc_prc_t *prcs;
+
+	/* The coefficient data for this band. */
+	jas_matrix_t *data;
+
+	/* The orientation of this band (i.e., LL, LH, HL, or HH). */
+	int orient;
+
+	/* The number of bit planes associated with this band. */
+	int numbps;
+
+	/* The quantizer step size. */
+	jpc_fix_t absstepsize;
+
+	/* The encoded quantizer step size. */
+	int stepsize;
+
+	/* The L2 norm of the synthesis basis functions associated with
+	  this band.  (The MCT is not considered in this value.) */
+	jpc_fix_t synweight;
+
+	/* The analysis gain for this band. */
+	int analgain;
+
+	/* The per-resolution-level information. */
+	struct jpc_enc_rlvl_s *rlvl;
+
+} jpc_enc_band_t;
+
+/* Encoder per-resolution-level state information. */
+
+typedef struct jpc_enc_rlvl_s {
+
+	/* The x-coordinate of the top-left corner of the tile-component
+	  at this resolution. */
+	uint_fast32_t tlx;
+
+	/* The y-coordinate of the top-left corner of the tile-component
+	  at this resolution. */
+	uint_fast32_t tly;
+
+	/* The x-coordinate of the bottom-right corner of the tile-component
+	  at this resolution (plus one). */
+	uint_fast32_t brx;
+
+	/* The y-coordinate of the bottom-right corner of the tile-component
+	  at this resolution (plus one). */
+	uint_fast32_t bry;
+
+	/* The exponent value for the nominal precinct width measured
+	  relative to the associated LL band. */
+	int prcwidthexpn;
+
+	/* The exponent value for the nominal precinct height measured
+	  relative to the associated LL band. */
+	int prcheightexpn;
+
+	/* The number of precincts spanning the resolution level in the
+	  horizontal direction. */
+	int numhprcs;
+
+	/* The number of precincts spanning the resolution level 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;
+
+	/* 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;
+
+	/* The number of bands associated with this resolution level. */
+	int numbands;
+
+	/* The per-band information. */
+	jpc_enc_band_t *bands;
+
+	/* The parent tile-component. */
+	struct jpc_enc_tcmpt_s *tcmpt;
+
+} jpc_enc_rlvl_t;
+
+/* Encoder per-tile-component state information. */
+
+typedef struct jpc_enc_tcmpt_s {
+
+	/* The number of resolution levels. */
+	uint_fast16_t numrlvls;
+
+	/* The per-resolution-level information. */
+	jpc_enc_rlvl_t *rlvls;
+
+	/* The tile-component data. */
+	jas_matrix_t *data;
+
+	/* The QMFB. */
+	int qmfbid;
+
+	/* The number of bands. */
+	int numbands;
+
+	/* The TSFB. */
+	jpc_tsfb_t *tsfb;
+
+	/* The synthesis energy weight (for the MCT). */
+	jpc_fix_t synweight;
+
+	/* The precinct width exponents. */
+	int prcwidthexpns[JPC_MAXRLVLS];
+
+	/* The precinct height exponents. */
+	int prcheightexpns[JPC_MAXRLVLS];
+
+	/* The code block width exponent. */
+	int cblkwidthexpn;
+
+	/* The code block height exponent. */
+	int cblkheightexpn;
+
+	/* Coding style (i.e., explicit precinct sizes). */
+	int csty;
+
+	/* Code block style. */
+	int cblksty;
+
+	/* The number of quantizer step sizes. */
+	uint_fast16_t numstepsizes;
+
+	/* The encoded quantizer step sizes. */
+	uint_fast16_t stepsizes[JPC_MAXBANDS];
+
+	/* The parent tile. */
+	struct jpc_enc_tile_s *tile;
+
+} jpc_enc_tcmpt_t;
+
+/* Encoder per-tile state information. */
+
+typedef struct jpc_enc_tile_s {
+
+	/* The tile number. */
+	uint_fast32_t tileno;
+
+	/* The x-coordinate of the top-left corner of the tile measured with
+	  respect to the reference grid. */
+	uint_fast32_t tlx;
+
+	/* The y-coordinate of the top-left corner of the tile measured with
+	  respect to the reference grid. */
+	uint_fast32_t tly;
+
+	/* The x-coordinate of the bottom-right corner of the tile measured
+	  with respect to the reference grid (plus one). */
+	uint_fast32_t brx;
+
+	/* The y-coordinate of the bottom-right corner of the tile measured
+	  with respect to the reference grid (plus one). */
+	uint_fast32_t bry;
+
+	/* The coding style. */
+	uint_fast8_t csty;
+
+	/* The progression order. */
+	uint_fast8_t prg;
+
+	/* The number of layers. */
+	uint_fast16_t numlyrs;
+
+	/* The MCT to employ (if any). */
+	uint_fast8_t mctid;
+
+	/* The packet iterator (used to determine the order of packet
+	  generation). */
+	jpc_pi_t *pi;
+
+	/* The coding mode (i.e., integer or real). */
+	bool intmode;
+
+	/* The number of bytes to allocate to the various layers. */
+	uint_fast32_t *lyrsizes;
+
+	/* The number of tile-components. */
+	int numtcmpts;
+
+	/* The per tile-component information. */
+	jpc_enc_tcmpt_t *tcmpts;
+
+	/* The raw (i.e., uncompressed) size of this tile. */
+	uint_fast32_t rawsize;
+
+} jpc_enc_tile_t;
+
+/* Encoder class. */
+
+typedef struct jpc_enc_s {
+
+	/* The image being encoded. */
+	jas_image_t *image;
+
+	/* The output stream. */
+	jas_stream_t *out;
+
+	/* The coding parameters. */
+	jpc_enc_cp_t *cp;
+
+	/* The tile currently being processed. */
+	jpc_enc_tile_t *curtile;
+
+	/* The code stream state. */
+	jpc_cstate_t *cstate;
+
+	/* The number of bytes output so far. */
+	uint_fast32_t len;
+
+	/* The number of bytes available for the main body of the code stream. */
+	/* This is used for rate allocation purposes. */
+	uint_fast32_t mainbodysize;
+
+	/* The marker segment currently being processed. */
+	/* This member is a convenience for making cleanup easier. */
+	jpc_ms_t *mrk;
+
+	/* The stream used to temporarily hold tile-part data. */
+	jas_stream_t *tmpstream;
+
+} jpc_enc_t;
+
+#endif