2 * Copyright (c) 2003, Yannick Verschueren
3 * Copyright (c) 2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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41 unsigned int numcomps;
49 unsigned int precedence;
51 unsigned int minversion;
56 unsigned int j2k_codestream_offset;
57 unsigned int j2k_codestream_len;
66 /* int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img);
68 * Create a standard jp2_structure
69 * jp2_struct: the structure you are creating
70 * img: a j2k_image_t wich will help you to create the jp2_structure
72 int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img);
74 /* int jp2_write_jp2c(char *j2k_codestream, int j2k_len);
76 * Write the jp2c codestream box
77 * jp2_struct: the jp2 structure you are working with
78 * j2k_codestream: the j2k codestream to include in jp2 file
80 int jp2_write_jp2c(jp2_struct_t * jp2_struct, char *j2k_codestream);
82 /* int jp2_write_jp2h(jp2_struct_t * jp2_struct);
84 * Write the jp2h header box
85 * jp2_struct: the jp2 structure you are working with
87 void jp2_write_jp2h(jp2_struct_t * jp2_struct);
89 /* int jp2_read_jp2h(jp2_struct_t * jp2_struct);
91 * Read the jp2h header box
92 * jp2_struct: the jp2 structure you are working with
94 int jp2_read_jp2h(jp2_struct_t * jp2_struct);
96 /* int jp2_wrap_j2k(jp2_struct_t * jp2_struct, char *j2k_codestream,
97 int j2k_len, char *output)
99 * Wrap a J2K codestream in a JP2 file
100 * jp2_struct: the jp2 structure used to create jp2 boxes
101 * j2k_codestream: the j2k codestream to include in jp2 file
102 * output: pointer to jp2 codestream that will be created
104 int jp2_wrap_j2k(jp2_struct_t * jp2_struct, char *j2k_codestream,
108 /* int jp2_read_struct(unsigned char *src, jp2_struct_t * jp2_struct);
110 * Decode the structure of a JP2 file
111 * src: pointer to memory where compressed data is stored
112 * jp2_struct: the jp2 structure that will be created
113 * len: length of jp2 codestream
115 int jp2_read_struct(unsigned char *src, jp2_struct_t * jp2_struct, int len);