/*
- * Copyright (c) 2001-2002, David Janssens
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2001-2003, 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.
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2006-2007, Parvatha Elangovan
+ * All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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"
-
-#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
+/**
+@file j2k.h
+@brief The JPEG-2000 Codestream Reader/Writer (J2K)
-#define J2K_MAXRLVLS 33 /* Number of maximum resolution level authorized */
-#define J2K_MAXBANDS (3*J2K_MAXRLVLS+1) /* Number of maximum sub-band linked to number of resolution level */
+The functions in J2K.C have for goal to read/write the several parts of the codestream: markers and data.
+*/
+
+/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
+/*@{*/
#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_CBLKSTY_LAZY 0x01 /**< Selective arithmetic coding bypass */
+#define J2K_CCP_CBLKSTY_RESET 0x02 /**< Reset context probabilities on coding pass boundaries */
+#define J2K_CCP_CBLKSTY_TERMALL 0x04 /**< Termination on each coding pass */
+#define J2K_CCP_CBLKSTY_VSC 0x08 /**< Vertically stripe causal context */
+#define J2K_CCP_CBLKSTY_PTERM 0x10 /**< Predictable termination */
+#define J2K_CCP_CBLKSTY_SEGSYM 0x20 /**< Segmentation symbols are used */
#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 prec; /* precision */
- int bpp; /* deapth of image in bits */
- int sgnd; /* signed */
- 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 index_on; /* 0 = no index || 1 = index */
- 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 quantisation */
- 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) */
- j2k_tccp_t *tccps; /* tile-component coding parameters */
-} j2k_tcp_t;
-
-typedef struct {
- int image_type; /* 0: PNM, PGM, PPM 1: PGX */
- int disto_alloc; /* Allocation by rate/distortion */
- int fixed_alloc; /* Allocation by fixed layer */
- int tx0, ty0; /* XTOsiz, YTOsiz */
- int tdx, tdy; /* XTsiz, YTsiz */
- char *comment; /* comment for coding */
- int tw, th;
- 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) */
- 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, ph; /* number of precinct by tile */
- info_packet *packet; /* information concerning packets inside tile */
-} 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; /* Number of Tile in X and Y */
- int tw, th;
- int Comp; /* Component numbers */
- int Layer; /* number of layer */
- int Decomposition; /* number of decomposition */
- int pw, ph; /* nombre precinct in X and Y */
- int pdx, pdy; /* size of precinct in X and Y */
- 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 */
-
-/*
- * Encode an image into a JPEG-2000 codestream
- * i: image to encode
- * cp: coding parameters
- * dest: destination buffer
- * len: length of destination buffer
- * index : index file name
- */
-LIBJ2K_API int j2k_encode(j2k_image_t * i, j2k_cp_t * cp, char *outfile, 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);
+#define J2K_MS_SOC 0xff4f /**< SOC marker value */
+#define J2K_MS_SOT 0xff90 /**< SOT marker value */
+#define J2K_MS_SOD 0xff93 /**< SOD marker value */
+#define J2K_MS_EOC 0xffd9 /**< EOC marker value */
+#define J2K_MS_SIZ 0xff51 /**< SIZ marker value */
+#define J2K_MS_COD 0xff52 /**< COD marker value */
+#define J2K_MS_COC 0xff53 /**< COC marker value */
+#define J2K_MS_RGN 0xff5e /**< RGN marker value */
+#define J2K_MS_QCD 0xff5c /**< QCD marker value */
+#define J2K_MS_QCC 0xff5d /**< QCC marker value */
+#define J2K_MS_POC 0xff5f /**< POC marker value */
+#define J2K_MS_TLM 0xff55 /**< TLM marker value */
+#define J2K_MS_PLM 0xff57 /**< PLM marker value */
+#define J2K_MS_PLT 0xff58 /**< PLT marker value */
+#define J2K_MS_PPM 0xff60 /**< PPM marker value */
+#define J2K_MS_PPT 0xff61 /**< PPT marker value */
+#define J2K_MS_SOP 0xff91 /**< SOP marker value */
+#define J2K_MS_EPH 0xff92 /**< EPH marker value */
+#define J2K_MS_CRG 0xff63 /**< CRG marker value */
+#define J2K_MS_COM 0xff64 /**< COM marker value */
+/* UniPG>> */
+#ifdef USE_JPWL
+#define J2K_MS_EPC 0xff68 /**< EPC marker value (Part 11: JPEG 2000 for Wireless) */
+#define J2K_MS_EPB 0xff66 /**< EPB marker value (Part 11: JPEG 2000 for Wireless) */
+#define J2K_MS_ESD 0xff67 /**< ESD marker value (Part 11: JPEG 2000 for Wireless) */
+#define J2K_MS_RED 0xff69 /**< RED marker value (Part 11: JPEG 2000 for Wireless) */
+#endif /* USE_JPWL */
+#ifdef USE_JPSEC
+#define J2K_MS_SEC 0xff65 /**< SEC marker value (Part 8: Secure JPEG 2000) */
+#define J2K_MS_INSEC 0xff94 /**< INSEC marker value (Part 8: Secure JPEG 2000) */
+#endif /* USE_JPSEC */
+/* <<UniPG */
-/*
- * 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);
+/* ----------------------------------------------------------------------- */
+
+/**
+Values that specify the status of the decoding process when decoding the main header.
+These values may be combined with a | operator.
+*/
+typedef enum J2K_STATUS {
+ J2K_STATE_MHSOC = 0x0001, /**< a SOC marker is expected */
+ J2K_STATE_MHSIZ = 0x0002, /**< a SIZ marker is expected */
+ J2K_STATE_MH = 0x0004, /**< the decoding process is in the main header */
+ J2K_STATE_TPHSOT = 0x0008, /**< the decoding process is in a tile part header and expects a SOT marker */
+ J2K_STATE_TPH = 0x0010, /**< the decoding process is in a tile part header */
+ J2K_STATE_MT = 0x0020, /**< the EOC marker has just been read */
+ J2K_STATE_NEOC = 0x0040, /**< the decoding process must not expect a EOC marker because the codestream is truncated */
+ J2K_STATE_ERR = 0x0080 /**< the decoding process has encountered an error */
+} J2K_STATUS;
+
+/* ----------------------------------------------------------------------- */
+
+/**
+T2 encoding mode
+*/
+typedef enum T2_MODE {
+ THRESH_CALC = 0, /** Function called in Rate allocation process*/
+ FINAL_PASS = 1 /** Function called in Tier 2 process*/
+}J2K_T2_MODE;
+
+/**
+Quantization stepsize
+*/
+typedef struct opj_stepsize {
+ /** exponent */
+ int expn;
+ /** mantissa */
+ int mant;
+} opj_stepsize_t;
+
+/**
+Tile-component coding parameters
+*/
+typedef struct opj_tccp {
+ /** coding style */
+ int csty;
+ /** number of resolutions */
+ int numresolutions;
+ /** code-blocks width */
+ int cblkw;
+ /** code-blocks height */
+ int cblkh;
+ /** code-block coding style */
+ int cblksty;
+ /** discrete wavelet transform identifier */
+ int qmfbid;
+ /** quantisation style */
+ int qntsty;
+ /** stepsizes used for quantization */
+ opj_stepsize_t stepsizes[J2K_MAXBANDS];
+ /** number of guard bits */
+ int numgbits;
+ /** Region Of Interest shift */
+ int roishift;
+ /** precinct width */
+ int prcw[J2K_MAXRLVLS];
+ /** precinct height */
+ int prch[J2K_MAXRLVLS];
+} opj_tccp_t;
+
+/**
+Tile coding parameters :
+this structure is used to store coding/decoding parameters common to all
+tiles (information like COD, COC in main header)
+*/
+typedef struct opj_tcp {
+ /** 1 : first part-tile of a tile */
+ int first;
+ /** coding style */
+ int csty;
+ /** progression order */
+ OPJ_PROG_ORDER prg;
+ /** number of layers */
+ int numlayers;
+ /** multi-component transform identifier */
+ int mct;
+ /** rates of layers */
+ float rates[100];
+ /** number of progression order changes */
+ int numpocs;
+ /** indicates if a POC marker has been used O:NO, 1:YES */
+ int POC;
+ /** progression order changes */
+ opj_poc_t pocs[32];
+ /** packet header store there for futur use in t2_decode_packet */
+ unsigned char *ppt_data;
+ /** pointer remaining on the first byte of the first header if ppt is used */
+ unsigned char *ppt_data_first;
+ /** If ppt == 1 --> there was a PPT marker for the present tile */
+ int ppt;
+ /** used in case of multiple marker PPT (number of info already stored) */
+ int ppt_store;
+ /** ppmbug1 */
+ int ppt_len;
+ /** add fixed_quality */
+ float distoratio[100];
+ /** tile-component coding parameters */
+ opj_tccp_t *tccps;
+} opj_tcp_t;
+
+/**
+Coding parameters
+*/
+typedef struct opj_cp {
+ /** Digital cinema profile*/
+ OPJ_CINEMA_MODE cinema;
+ /** Maximum rate for each component. If == 0, component size limitation is not considered */
+ int max_comp_size;
+ /** Size of the image in bits*/
+ int img_size;
+ /** Rsiz*/
+ OPJ_RSIZ_CAPABILITIES rsiz;
+ /** Enabling Tile part generation*/
+ char tp_on;
+ /** Flag determining tile part generation*/
+ char tp_flag;
+ /** Position of tile part flag in progression order*/
+ int tp_pos;
+ /** allocation by rate/distortion */
+ int disto_alloc;
+ /** allocation by fixed layer */
+ int fixed_alloc;
+ /** add fixed_quality */
+ int fixed_quality;
+ /** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */
+ int reduce;
+ /** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
+ int layer;
+ /** if == NO_LIMITATION, decode entire codestream; if == LIMIT_TO_MAIN_HEADER then only decode the main header */
+ OPJ_LIMIT_DECODING limit_decoding;
+ /** XTOsiz */
+ int tx0;
+ /** YTOsiz */
+ int ty0;
+ /** XTsiz */
+ int tdx;
+ /** YTsiz */
+ int tdy;
+ /** comment for coding */
+ char *comment;
+ /** number of tiles in width */
+ int tw;
+ /** number of tiles in heigth */
+ int th;
+ /** ID number of the tiles present in the codestream */
+ int *tileno;
+ /** size of the vector tileno */
+ int tileno_size;
+ /** packet header store there for futur use in t2_decode_packet */
+ unsigned char *ppm_data;
+ /** pointer remaining on the first byte of the first header if ppm is used */
+ unsigned char *ppm_data_first;
+ /** if ppm == 1 --> there was a PPM marker for the present tile */
+ int ppm;
+ /** use in case of multiple marker PPM (number of info already store) */
+ int ppm_store;
+ /** use in case of multiple marker PPM (case on non-finished previous info) */
+ int ppm_previous;
+ /** ppmbug1 */
+ int ppm_len;
+ /** tile coding parameters */
+ opj_tcp_t *tcps;
+ /** fixed layer */
+ int *matrice;
+/* UniPG>> */
+#ifdef USE_JPWL
+ /** enables writing of EPC in MH, thus activating JPWL */
+ bool epc_on;
+ /** enables writing of EPB, in case of activated JPWL */
+ bool epb_on;
+ /** enables writing of ESD, in case of activated JPWL */
+ bool esd_on;
+ /** enables writing of informative techniques of ESD, in case of activated JPWL */
+ bool info_on;
+ /** enables writing of RED, in case of activated JPWL */
+ bool red_on;
+ /** error protection method for MH (0,1,16,32,37-128) */
+ int hprot_MH;
+ /** tile number of header protection specification (>=0) */
+ int hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
+ /** error protection methods for TPHs (0,1,16,32,37-128) */
+ int hprot_TPH[JPWL_MAX_NO_TILESPECS];
+ /** tile number of packet protection specification (>=0) */
+ int pprot_tileno[JPWL_MAX_NO_PACKSPECS];
+ /** packet number of packet protection specification (>=0) */
+ int pprot_packno[JPWL_MAX_NO_PACKSPECS];
+ /** error protection methods for packets (0,1,16,32,37-128) */
+ int pprot[JPWL_MAX_NO_PACKSPECS];
+ /** enables writing of ESD, (0/2/4 bytes) */
+ int sens_size;
+ /** sensitivity addressing size (0=auto/2/4 bytes) */
+ int sens_addr;
+ /** sensitivity range (0-3) */
+ int sens_range;
+ /** sensitivity method for MH (-1,0-7) */
+ int sens_MH;
+ /** tile number of sensitivity specification (>=0) */
+ int sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
+ /** sensitivity methods for TPHs (-1,0-7) */
+ int sens_TPH[JPWL_MAX_NO_TILESPECS];
+ /** enables JPWL correction at the decoder */
+ bool correct;
+ /** expected number of components at the decoder */
+ int exp_comps;
+ /** maximum number of tiles at the decoder */
+ int max_tiles;
+#endif /* USE_JPWL */
+/* <<UniPG */
+} opj_cp_t;
+
+/**
+JPEG-2000 codestream reader/writer
+*/
+typedef struct opj_j2k {
+ /** codec context */
+ opj_common_ptr cinfo;
+
+ /** locate in which part of the codestream the decoder is (main header, tile header, end) */
+ int state;
+ /** number of the tile curently concern by coding/decoding */
+ int curtileno;
+ /** Tile part number*/
+ int tp_num;
+ /** Tilepart number currently coding*/
+ int cur_tp_num;
+ /** Total number of tileparts of the current tile*/
+ int *cur_totnum_tp;
+ /**
+ locate the start position of the TLM marker
+ after encoding the tilepart, a jump (in j2k_write_sod) is done to the TLM marker to store the value of its length.
+ */
+ int tlm_start;
+ /** Total num of tile parts in whole image = num tiles* num tileparts in each tile*/
+ /** used in TLMmarker*/
+ int totnum_tp;
+ /**
+ locate the position of the end of the tile in the codestream,
+ used to detect a truncated codestream (in j2k_read_sod)
+ */
+ unsigned char *eot;
+ /**
+ locate the start position of the SOT marker of the current coded tile:
+ after encoding the tile, a jump (in j2k_write_sod) is done to the SOT marker to store the value of its length.
+ */
+ int sot_start;
+ int sod_start;
+ /**
+ as the J2K-file is written in several parts during encoding,
+ it enables to make the right correction in position return by cio_tell
+ */
+ int pos_correction;
+ /** array used to store the data of each tile */
+ unsigned char **tile_data;
+ /** array used to store the length of each tile */
+ int *tile_len;
+ /**
+ decompression only :
+ store decoding parameters common to all tiles (information like COD, COC in main header)
+ */
+ opj_tcp_t *default_tcp;
+ /** pointer to the encoded / decoded image */
+ opj_image_t *image;
+ /** pointer to the coding parameters */
+ opj_cp_t *cp;
+ /** helper used to write the index file */
+ opj_codestream_info_t *cstr_info;
+ /** pointer to the byte i/o stream */
+ opj_cio_t *cio;
+} opj_j2k_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Creates a J2K decompression structure
+@param cinfo Codec context info
+@return Returns a handle to a J2K decompressor if successful, returns NULL otherwise
+*/
+opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo);
+/**
+Destroy a J2K decompressor handle
+@param j2k J2K decompressor handle to destroy
+*/
+void j2k_destroy_decompress(opj_j2k_t *j2k);
+/**
+Setup the decoder decoding parameters using user parameters.
+Decoding parameters are returned in j2k->cp.
+@param j2k J2K decompressor handle
+@param parameters decompression parameters
+*/
+void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters);
+/**
+Decode an image from a JPEG-2000 codestream
+@param j2k J2K decompressor handle
+@param cio Input buffer stream
+@param cstr_info Codestream information structure if required, NULL otherwise
+@return Returns a decoded image if successful, returns NULL otherwise
+*/
+opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
+/**
+Decode an image form a JPT-stream (JPEG 2000, JPIP)
+@param j2k J2K decompressor handle
+@param cio Input buffer stream
+@param cstr_info Codestream information structure if required, NULL otherwise
+@return Returns a decoded image if successful, returns NULL otherwise
+*/
+opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
+/**
+Creates a J2K compression structure
+@param cinfo Codec context info
+@return Returns a handle to a J2K compressor if successful, returns NULL otherwise
+*/
+opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo);
+/**
+Destroy a J2K compressor handle
+@param j2k J2K compressor handle to destroy
+*/
+void j2k_destroy_compress(opj_j2k_t *j2k);
+/**
+Setup the encoder parameters using the current image and using user parameters.
+Coding parameters are returned in j2k->cp.
+@param j2k J2K compressor handle
+@param parameters compression parameters
+@param image input filled image
+*/
+void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image);
+/**
+Converts an enum type progression order to string type
+*/
+char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order);
+/**
+Encode an image into a JPEG-2000 codestream
+@param j2k J2K compressor handle
+@param cio Output buffer stream
+@param image Image to encode
+@param cstr_info Codestream information structure if required, NULL otherwise
+@return Returns true if successful, returns false otherwise
+*/
+bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
+
+void j2k_dump_image(FILE *fd, opj_image_t * img);
+void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
-#endif
+#endif /* __J2K_H */
projects / openjpeg.git / blobdiff