path: root/converter/other/jpeg2000/libjasper/jp2/jp2_cod.h

/*
 * 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
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 * (including, but not limited to, the University of British Columbia and
 * Michael David Adams) may be used to endorse or promote products derived
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 * D.  User agrees that it shall not commence any action against Image Power,
 * Inc., the University of British Columbia, Michael David Adams, or any
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 * 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
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 * 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
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 * NOTICE SPECIFIED IN THIS SECTION.
 *
 * __END_OF_JASPER_LICENSE__
 */

/*
 * JP2 Library
 *
 * $Id$
 */

#ifndef JP2_COD_H
#define JP2_COD_H

/******************************************************************************\
* Includes.
\******************************************************************************/

#include "jasper/jas_types.h"

/******************************************************************************\
* Macros.
\******************************************************************************/

#define JP2_SPTOBPC(s, p) \
        ((((p) - 1) & 0x7f) | (((s) & 1) << 7))

/******************************************************************************\
* Box class.
\******************************************************************************/

#define JP2_BOX_HDRLEN  8

/* Box types. */
#define JP2_BOX_JP              0x6a502020      /* Signature */
#define JP2_BOX_FTYP    0x66747970      /* File Type */
#define JP2_BOX_JP2H    0x6a703268      /* JP2 Header */
#define JP2_BOX_IHDR    0x69686472      /* Image Header */
#define JP2_BOX_BPCC    0x62706363      /* Bits Per Component */
#define JP2_BOX_COLR    0x636f6c72      /* Color Specification */
#define JP2_BOX_PCLR    0x70636c72      /* Palette */
#define JP2_BOX_CMAP    0x636d6170      /* Component Mapping */
#define JP2_BOX_CDEF    0x63646566      /* Channel Definition */
#define JP2_BOX_RES             0x72657320      /* Resolution */
#define JP2_BOX_RESC    0x72657363      /* Capture Resolution */
#define JP2_BOX_RESD    0x72657364      /* Default Display Resolution */
#define JP2_BOX_JP2C    0x6a703263      /* Contiguous Code Stream */
#define JP2_BOX_JP2I    0x6a703269      /* Intellectual Property */
#define JP2_BOX_XML             0x786d6c20      /* XML */
#define JP2_BOX_UUID    0x75756964      /* UUID */
#define JP2_BOX_UINF    0x75696e66      /* UUID Info */
#define JP2_BOX_ULST    0x75637374      /* UUID List */
#define JP2_BOX_URL             0x75726c20      /* URL */

#define JP2_BOX_SUPER   0x01
#define JP2_BOX_NODATA  0x02

/* JP box data. */

#define JP2_JP_MAGIC    0x0d0a870a
#define JP2_JP_LEN              12

typedef struct {
        uint_fast32_t magic;
} jp2_jp_t;

/* FTYP box data. */

#define JP2_FTYP_MAXCOMPATCODES 32
#define JP2_FTYP_MAJVER         0x6a703220
#define JP2_FTYP_MINVER         0
#define JP2_FTYP_COMPATCODE             JP2_FTYP_MAJVER

typedef struct {
        uint_fast32_t majver;
        uint_fast32_t minver;
        uint_fast32_t numcompatcodes;
        uint_fast32_t compatcodes[JP2_FTYP_MAXCOMPATCODES];
} jp2_ftyp_t;

/* IHDR box data. */

#define JP2_IHDR_COMPTYPE       7
#define JP2_IHDR_BPCNULL        255

typedef struct {
        uint_fast32_t width;
        uint_fast32_t height;
        uint_fast16_t numcmpts;
        uint_fast8_t bpc;
        uint_fast8_t comptype;
        uint_fast8_t csunk;
        uint_fast8_t ipr;
} jp2_ihdr_t;

/* BPCC box data. */

typedef struct {
        uint_fast16_t numcmpts;
        uint_fast8_t *bpcs;
} jp2_bpcc_t;

/* COLR box data. */

#define JP2_COLR_ENUM   1
#define JP2_COLR_ICC    2
#define JP2_COLR_PRI    0

#define JP2_COLR_SRGB   16
#define JP2_COLR_SGRAY  17
#define JP2_COLR_SYCC   18

typedef struct {
        uint_fast8_t method;
        uint_fast8_t pri;
        uint_fast8_t approx;
        uint_fast32_t csid;
        uint_fast8_t *iccp;
        int iccplen;
        /* XXX - Someday we ought to add ICC profile data here. */
} jp2_colr_t;

/* PCLR box data. */

typedef struct {
        uint_fast16_t numlutents;
        uint_fast8_t numchans;
        int_fast32_t *lutdata;
        uint_fast8_t *bpc;
} jp2_pclr_t;

/* CDEF box per-channel data. */

#define JP2_CDEF_RGB_R  1
#define JP2_CDEF_RGB_G  2
#define JP2_CDEF_RGB_B  3

#define JP2_CDEF_YCBCR_Y        1
#define JP2_CDEF_YCBCR_CB       2
#define JP2_CDEF_YCBCR_CR       3

#define JP2_CDEF_GRAY_Y 1

#define JP2_CDEF_TYPE_COLOR     0
#define JP2_CDEF_TYPE_OPACITY   1
#define JP2_CDEF_TYPE_UNSPEC    65535
#define JP2_CDEF_ASOC_ALL       0
#define JP2_CDEF_ASOC_NONE      65535

typedef struct {
        uint_fast16_t channo;
        uint_fast16_t type;
        uint_fast16_t assoc;
} jp2_cdefchan_t;

/* CDEF box data. */

typedef struct {
        uint_fast16_t numchans;
        jp2_cdefchan_t *ents;
} jp2_cdef_t;

typedef struct {
        uint_fast16_t cmptno;
        uint_fast8_t map;
        uint_fast8_t pcol;
} jp2_cmapent_t;

typedef struct {
        uint_fast16_t numchans;
        jp2_cmapent_t *ents;
} jp2_cmap_t;

#define JP2_CMAP_DIRECT         0
#define JP2_CMAP_PALETTE        1

/* Generic box. */

struct jp2_boxops_s;
typedef struct {

        struct jp2_boxops_s *ops;
        struct jp2_boxinfo_s *info;

        uint_fast32_t type;
        uint_fast32_t len;

        union {
                jp2_jp_t jp;
                jp2_ftyp_t ftyp;
                jp2_ihdr_t ihdr;
                jp2_bpcc_t bpcc;
                jp2_colr_t colr;
                jp2_pclr_t pclr;
                jp2_cdef_t cdef;
                jp2_cmap_t cmap;
        } data;

} jp2_box_t;

typedef struct jp2_boxops_s {
        void (*init)(jp2_box_t *box);
        void (*destroy)(jp2_box_t *box);
        int (*getdata)(jp2_box_t *box, jas_stream_t *in);
        int (*putdata)(jp2_box_t *box, jas_stream_t *out);
        void (*dumpdata)(jp2_box_t *box, FILE *out);
} jp2_boxops_t;

/******************************************************************************\
*
\******************************************************************************/

typedef struct jp2_boxinfo_s {
        int type;
        const char *name;
        int flags;
        jp2_boxops_t ops;
} jp2_boxinfo_t;

/******************************************************************************\
* Box class.
\******************************************************************************/

jp2_box_t *jp2_box_create(int type);
void jp2_box_destroy(jp2_box_t *box);
jp2_box_t *jp2_box_get(jas_stream_t *in);
int jp2_box_put(jp2_box_t *box, jas_stream_t *out);

#define JP2_DTYPETOBPC(dtype) \
  ((JAS_IMAGE_CDT_GETSGND(dtype) << 7) | (JAS_IMAGE_CDT_GETPREC(dtype) - 1))
#define JP2_BPCTODTYPE(bpc) \
  (JAS_IMAGE_CDT_SETSGND(bpc >> 7) | JAS_IMAGE_CDT_SETPREC((bpc & 0x7f) + 1))

#define ICC_CS_RGB      0x52474220
#define ICC_CS_YCBCR    0x59436272
#define ICC_CS_GRAY     0x47524159

jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo);

#endif