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Diffstat (limited to 'jpwl/encoder/libopenjpeg/j2k.h')
| -rw-r--r-- | jpwl/encoder/libopenjpeg/j2k.h | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/jpwl/encoder/libopenjpeg/j2k.h b/jpwl/encoder/libopenjpeg/j2k.h new file mode 100644 index 00000000..4b328f6f --- /dev/null +++ b/jpwl/encoder/libopenjpeg/j2k.h @@ -0,0 +1,238 @@ +/* + * Copyright (c) 2001-2002, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2002-2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#define VERSION "0.0.8" +//#include "jpw.h" +#ifdef DAVID_WIN32 +#ifdef LIBJ2K_EXPORTS +#define LIBJ2K_API __declspec(dllexport) +#else +#define LIBJ2K_API __declspec(dllimport) +#endif +#else +#define LIBJ2K_API +#endif + +#ifndef __J2K_H +#define __J2K_H + +#define J2K_MAXRLVLS 33 /* Number of maximum resolution level authorized */ +#define J2K_MAXBANDS (3*J2K_MAXRLVLS-2) /* Number of maximum sub-band linked to number of resolution level */ + +#define J2K_CP_CSTY_PRT 0x01 +#define J2K_CP_CSTY_SOP 0x02 +#define J2K_CP_CSTY_EPH 0x04 +#define J2K_CCP_CSTY_PRT 0x01 +#define J2K_CCP_CBLKSTY_LAZY 0x01 +#define J2K_CCP_CBLKSTY_RESET 0x02 +#define J2K_CCP_CBLKSTY_TERMALL 0x04 +#define J2K_CCP_CBLKSTY_VSC 0x08 +#define J2K_CCP_CBLKSTY_PTERM 0x10 +#define J2K_CCP_CBLKSTY_SEGSYM 0x20 +#define J2K_CCP_QNTSTY_NOQNT 0 +#define J2K_CCP_QNTSTY_SIQNT 1 +#define J2K_CCP_QNTSTY_SEQNT 2 + + +typedef struct { + int dx, dy; /* XRsiz, YRsiz */ + int w, h; /* width and height of data */ + int x0, y0; /* offset of the component compare to the whole image */ + int prec; /* precision */ + int bpp; /* deapth of image in bits */ + int sgnd; /* signed */ + int resno_decoded; /* number of decoded resolution */ + int factor; /* number of division by 2 of the out image compare to the original size of image */ + int *data; /* image-component data */ +} j2k_comp_t; + +typedef struct { + int x0, y0; /* XOsiz, YOsiz */ + int x1, y1; /* Xsiz, Ysiz */ + int numcomps; /* number of components */ + int color_space; /* sRGB, Greyscale or YUV */ + j2k_comp_t *comps; /* image-components */ +} j2k_image_t; + + +typedef struct { + int expn; /* exponent */ + int mant; /* mantissa */ +} j2k_stepsize_t; + +typedef struct { + int csty; /* coding style */ + int numresolutions; /* number of resolutions */ + int cblkw; /* width of code-blocks */ + int cblkh; /* height of code-blocks */ + int cblksty; /* code-block coding style */ + int qmfbid; /* discrete wavelet transform identifier */ + int qntsty; /* quantisation style */ + j2k_stepsize_t stepsizes[J2K_MAXBANDS]; /* stepsizes used for quantization */ + int numgbits; /* number of guard bits */ + int roishift; /* Region Of Interest shift */ + int prcw[J2K_MAXRLVLS]; /* Precinct width */ + int prch[J2K_MAXRLVLS]; /* Precinct height */ +} j2k_tccp_t; + +typedef struct { + int resno0, compno0; + int layno1, resno1, compno1; + int prg; + int tile; + char progorder[4]; +} j2k_poc_t; + +typedef struct { + int first; /* 1 : first part-tile of a tile */ + int csty; /* coding style */ + int prg; /* progression order */ + int numlayers; /* number of layers */ + int mct; /* multi-component transform identifier */ + int rates[100]; /* rates of layers */ + int numpocs; /* number of progression order changes */ + int POC; /* Precise if a POC marker has been used O:NO, 1:YES */ + j2k_poc_t pocs[32]; /* progression order changes */ + unsigned char *ppt_data; /* packet header store there for futur use in t2_decode_packet */ + int ppt; /* If ppt == 1 --> there was a PPT marker for the present tile */ + int ppt_store; /* Use in case of multiple marker PPT (number of info already store) */ + int ppt_len; /* ppmbug1 */ + float distoratio[100]; /* add fixed_quality */ + j2k_tccp_t *tccps; /* tile-component coding parameters */ +} j2k_tcp_t; + +typedef struct { + int JPEG2000_format; /* 0: J2K 1:JP2 */ + int intermed_file; /* 1: Store each encoded tile one by one in the output file (for mega-Images)*/ + int image_type; /* 0: PNM, PGM, PPM 1: PGX */ + int disto_alloc; /* Allocation by rate/distortion */ + int fixed_alloc; /* Allocation by fixed layer */ + int fixed_quality; /* add fixed_quality */ + int reduce_on; /* option reduce is used if reduce = 1 */ + int reduce_value; /* if option reduce is used -> original dimension divided by 2^value */ + int index_on; /* 0 = no index || 1 = index */ + int tx0, ty0; /* XTOsiz, YTOsiz */ + int tdx, tdy; /* XTsiz, YTsiz */ + char *comment; /* comment for coding */ + int tw, th; /* number of tiles in width and heigth */ + int *tileno; /* ID number of the tiles present in the codestream */ + int tileno_size; /* size of the vector tileno */ + unsigned char *ppm_data; /* packet header store there for futur use in t2_decode_packet */ + int ppm; /* If ppm == 1 --> there was a PPM marker for the present tile */ + int ppm_store; /* Use in case of multiple marker PPM (number of info already store) */ + int ppm_previous; /* Use in case of multiple marker PPM (case on non-finished previous info) */ + int ppm_len; /* ppmbug1 */ + j2k_tcp_t *tcps; /* tile coding parameters */ + int *matrice; /* Fixed layer */ +} j2k_cp_t; + +typedef struct { + int start_pos, end_pos; /* start and end position */ + double disto; /* ADD for Marcela */ +} info_packet; /* Index struct */ + +typedef struct { + double *thresh; /* value of thresh for each layer by tile cfr. Marcela */ + int num_tile; /* Number of Tile */ + int start_pos; /* Start position */ + int end_header; /* End position of the header */ + int end_pos; /* End position */ + int pw[33], ph[33]; /* precinct number for each resolution level */ + + int pdx[33], pdy[33]; /* precinct size (in power of 2), in X and Y for each resolution level */ + info_packet *packet; /* information concerning packets inside tile */ + int nbpix; /* add fixed_quality */ + double distotile; /* add fixed_quality */ +} info_tile; /* index struct */ + +typedef struct { + int index_on; + double D_max; /* ADD for Marcela */ + int num; /* numero of packet */ + int index_write; /* writing the packet inthe index with t2_encode_packets */ + int Im_w, Im_h; /* Image width and Height */ + int Prog; /* progression order */ + int Tile_x, Tile_y; /* Tile size in x and y */ + int tw, th; /* Number of Tile in X and Y */ + int Comp; /* Component numbers */ + int Layer; /* number of layer */ + int Decomposition; /* number of decomposition */ + int Main_head_end; /* Main header position */ + int codestream_size; /* codestream's size */ + info_tile *tile; /* information concerning tiles inside image */ +} info_image; /* index struct */ + +// index struct correction +void pack_corr(unsigned long corr, int tileno); + +//write index file +void write_index(char *index, unsigned long CL); + +void j2k_clean(); + +void j2k_free_info(); + +void j2k_free_tcd(); + + +/* + * Encode an image into a JPEG-2000 codestream + * i: image to encode + * cp: coding parameters + * output: destination buffer or name of the output file when cp->intermed_file==1 + * len: length of destination buffer + * index : index file name + */ +LIBJ2K_API int j2k_encode(j2k_image_t * i, j2k_cp_t * cp, char *output, + int len, char *index); + +/* LIBJ2K_API int j2k_encode(j2k_image_t *i, j2k_cp_t *cp,unsigned char *dest, int len); */ +/* + * Decode an image from a JPEG-2000 codestream + * src: source buffer + * len: length of source buffer + * i: decode image + * cp: coding parameters that were used to encode the image + */ + +LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t * img, + j2k_cp_t * cp); + + +/* + * Decode an image form a JPT-stream (JPEG 2000, JPIP) + * src: source buffer + * len: length of source buffer + * i: decode image + * cp: coding parameters that were used to encode the image + * + */ +int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t * img, + j2k_cp_t * cp); + +#endif |