Initial revision

[openjpeg.git] / libopenjpeg / tcd.h

diff --git a/libopenjpeg/tcd.h b/libopenjpeg/tcd.h
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+/*
+ * 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.
+ */
+
+#ifndef __TCD_H
+#define __TCD_H
+
+#include "j2k.h"
+#include "tgt.h"
+
+typedef struct {
+       int numpasses;
+       int len;
+       unsigned char *data;
+       int maxpasses;
+       int numnewpasses;
+       int newlen;
+} tcd_seg_t;
+
+typedef struct {
+       int rate;
+       double distortiondec;
+       int term, len;
+} tcd_pass_t;
+
+typedef struct {
+       int numpasses;
+       int len;
+       double disto;                                                                   /* add for index (Cfr. Marcela) */
+       unsigned char *data;
+} tcd_layer_t;
+
+typedef struct {
+       int x0, y0, x1, y1;
+       int numbps;
+       int numlenbits;
+       int len;
+       int numpasses;
+       int numnewpasses;
+       int numsegs;
+       tcd_seg_t segs[100];
+       unsigned char data[8192];
+       int numpassesinlayers;
+       tcd_layer_t layers[100];
+       int totalpasses;
+       tcd_pass_t passes[100];
+} tcd_cblk_t;
+
+typedef struct {
+       int x0, y0, x1, y1;
+       int cw, ch;
+       tcd_cblk_t *cblks;
+       tgt_tree_t *incltree;
+       tgt_tree_t *imsbtree;
+} tcd_precinct_t;
+
+typedef struct {
+       int x0, y0, x1, y1;
+       int bandno;
+       tcd_precinct_t *precincts;
+       int numbps;
+       int stepsize;
+} tcd_band_t;
+
+typedef struct {
+       int x0, y0, x1, y1;
+       int previous_x0, previous_y0, previous_x1, previous_y1; /* usefull for the DWT */
+       int cas_col, cas_row;                                   /* usefull for the DWT */
+       int pw, ph;                                                                             /* , old_pw,old_ph, old_pw_max,old_ph_max; */
+       int numbands;
+       tcd_band_t bands[3];
+} tcd_resolution_t;
+
+typedef struct {
+       int x0, y0, x1, y1;
+       int previous_row, previous_col; /* usefull for the DWT */
+       int numresolutions;
+       tcd_resolution_t *resolutions;
+       int *data;
+} tcd_tilecomp_t;
+
+typedef struct {
+       int x0, y0, x1, y1;
+       int numcomps;
+       /* int PPT; */
+       /* int len_ppt; */
+       tcd_tilecomp_t *comps;
+} tcd_tile_t;
+
+typedef struct {
+       int tw, th;
+       tcd_tile_t *tiles;
+} tcd_image_t;
+
+/*
+ * Initialize the tile coder/decoder
+ * img: raw image
+ * cp: coding parameters
+ * info_IM: creation of index file
+ */
+void tcd_init_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
+
+void tcd_malloc_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
+
+void tcd_init(j2k_image_t * img, j2k_cp_t * cp);
+
+void tcd_free_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
+
+/*
+ * Encode a tile from the raw image into a buffer, format pnm, pgm or ppm
+ * tileno: number that identifies one of the tiles to be encoded
+ * dest: destination buffer
+ * len: length of destination buffer
+ */
+int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len,
+                                                                                               info_image * info_IM);
+
+/*
+ * Encode a tile from the raw image into a buffer, format pgx
+ * tileno: number that identifies one of the tiles to be encoded
+ * dest: destination buffer
+ * len: length of destination buffer
+ */
+int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len,
+                                                                                               info_image * info_IM);
+
+/*
+ * Decode a tile from a buffer into a raw image
+ * src: source buffer
+ * len: length of the source buffer
+ * tileno: number that identifies the tile that will be decoded
+ */
+int tcd_decode_tile(unsigned char *src, int len, int tileno);
+
+#endif