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authorYannick Verschueren <unknown@unknown>2004-02-13 09:47:40 +0000
committerYannick Verschueren <unknown@unknown>2004-02-13 09:47:40 +0000
commitbb349b2ceee6027ab19f9fe20ed6d8c6a18a15a2 (patch)
tree5771c73a3198f3d5f9276f67d8a31028ef27c95a /libopenjpeg/tcd.h
parent4be829988a6423a4ca9582e0ec6948837b529a1b (diff)
Update for version 0.8
Diffstat (limited to 'libopenjpeg/tcd.h')
-rw-r--r--libopenjpeg/tcd.h136
1 files changed, 76 insertions, 60 deletions
diff --git a/libopenjpeg/tcd.h b/libopenjpeg/tcd.h
index e8e87727..9401e968 100644
--- a/libopenjpeg/tcd.h
+++ b/libopenjpeg/tcd.h
@@ -33,101 +33,116 @@
#include "tgt.h"
typedef struct {
- int numpasses;
- int len;
- unsigned char *data;
- int maxpasses;
- int numnewpasses;
- int newlen;
+ 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;
+ 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;
+ int numpasses; /* Number of passes in the layer */
+ int len; /* len of information */
+ double disto; /* add for index (Cfr. Marcela) */
+ unsigned char *data; /* 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];
+ int x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numbps;
+ int numlenbits;
+ int len; /* length */
+ int numpasses; /* number of pass already done for the code-blocks */
+ int numnewpasses; /* number of pass added to the code-blocks */
+ int numsegs; /* number of segments */
+ tcd_seg_t segs[100]; /* segments informations */
+ unsigned char data[8192]; /* Data */
+ int numpassesinlayers; /* number of passes in the layer */
+ tcd_layer_t layers[100]; /* layer information */
+ int totalpasses; /* total number of passes */
+ tcd_pass_t passes[100]; /* information about the passes */
} 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;
+ int x0, y0, x1, y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
+ int cw, ch; /* number of precinct in width and heigth */
+ tcd_cblk_t *cblks; /* code-blocks informations */
+ tgt_tree_t *incltree; /* inclusion tree */
+ tgt_tree_t *imsbtree; /* IMSB tree */
} tcd_precinct_t;
typedef struct {
- int x0, y0, x1, y1;
- int bandno;
- tcd_precinct_t *precincts;
- int numbps;
- int stepsize;
+ int x0, y0, x1, y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
+ int bandno;
+ tcd_precinct_t *precincts; /* precinct information */
+ 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];
+ int x0, y0, x1, y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
+ int pw, ph;
+ int numbands; /* number sub-band for the resolution level */
+ tcd_band_t bands[3]; /* subband information */
} 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;
+ int x0, y0, x1, y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numresolutions; /* number of resolutions level */
+ tcd_resolution_t *resolutions; /* resolutions information */
+ int *data; /* data of the component */
} tcd_tilecomp_t;
typedef struct {
- int x0, y0, x1, y1;
- int numcomps;
- /* int PPT; */
- /* int len_ppt; */
- tcd_tilecomp_t *comps;
+ int x0, y0, x1, y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numcomps; /* number of components in tile */
+ tcd_tilecomp_t *comps; /* Components information */
} tcd_tile_t;
typedef struct {
- int tw, th;
- tcd_tile_t *tiles;
+ int tw, th; /* number of tiles in width and heigth */
+ tcd_tile_t *tiles; /* Tiles information */
} tcd_image_t;
/*
- * Initialize the tile coder/decoder
+ * Initialize the tile coder (reuses the memory allocated by tcd_malloc_encode)
* img: raw image
* cp: coding parameters
- * info_IM: creation of index file
+ * curtileno : number that identifies the tile that will be encoded
*/
void tcd_init_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
+
+/*
+ * Initialize the tile coder (allocate the memory)
+ * img: raw image
+ * cp: coding parameters
+ * curtileno : number that identifies the tile that will be encoded
+ */
void tcd_malloc_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
+
+/*
+ * Initialize the tile decoder
+ * img: raw image
+ * cp: coding parameters
+ */
void tcd_init(j2k_image_t * img, j2k_cp_t * cp);
+
+/*
+ * Free the memory allocated for encoding
+ * img: raw image
+ * cp: coding parameters
+ * curtileno : number that identifies the tile that will be encoded
+ */
void tcd_free_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
/*
@@ -135,18 +150,19 @@ void tcd_free_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
* tileno: number that identifies one of the tiles to be encoded
* dest: destination buffer
* len: length of destination buffer
+ * info_IM: creation of index file
*/
-int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len,
- info_image * info_IM);
+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
+ * info_IM: creation of index file
*/
-int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len,
- info_image * info_IM);
+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