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This commit is contained in:
Francois-Olivier Devaux 2004-07-16 13:39:09 +00:00
parent c785c1b82b
commit cc42bfbaaa
1 changed files with 45 additions and 2 deletions
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47
libopenjpeg/jp2.h
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@ -30,8 +30,8 @@
#include "j2k.h"
typedef struct {
int depth;
int sgnd;
int depth;
int sgnd;
int bpcc;
} jp2_comps_t;
@ -61,18 +61,61 @@ typedef struct {
int init_pos;
} jp2_box_t;
/* int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img);
*
* Create a standard jp2_structure
* jp2_struct: the structure you are creating
* img: a j2k_image_t wich will help you to create the jp2_structure
*/
int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img);
/* int jp2_write_jp2c(j2k_image_t * img, j2k_cp_t * cp, char *jp2_buffer,
* char *index);
*
* Write the jp2c codestream box
* img: the j2k_image that will be compressed
* jp2_buffer: the buffer that will recieve the compressed data
* index: the name of the index file
*/
int jp2_write_jp2c(j2k_image_t * img, j2k_cp_t * cp, char *jp2_buffer,
char *index);
/* int jp2_write_jp2h(jp2_struct_t * jp2_struct);
*
* Write the jp2h header box
* jp2_struct: the jp2 structure you are working with
*/
void jp2_write_jp2h(jp2_struct_t * jp2_struct);
/* int jp2_read_jp2h(jp2_struct_t * jp2_struct);
*
* Read the jp2h header box
* jp2_struct: the jp2 structure you are working with
*/
int jp2_read_jp2h(jp2_struct_t * jp2_struct);
/* int jp2_encode(jp2_struct_t * jp2_struct, j2k_cp_t * cp, char *output,
* char *index);
*
* Encode a JP2 file
* jp2_buffer: the buffer containing the pointer to the image to encode
* cp: coding parameters of the image
* outbuf: pointer to memory where compressed data will be written
* index: the name of the index file
*/
int jp2_encode(jp2_struct_t * jp2_struct, j2k_cp_t * cp, char *output,
char *index);
/* int jp2_decode(unsigned char *src, int len, jp2_struct_t * jp2_struct,
* j2k_cp_t * cp);
*
* Decode a JP2 file
* src: pointer to memory where compressed data is stored
* len: length of src buffer
* jp2_struct: the jp2 structure that will be created
* cp: coding parameters of the image
*/
int jp2_decode(unsigned char *src, int len, jp2_struct_t * jp2_struct,
j2k_cp_t * cp);