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author | dan miller | 2007-10-18 08:29:49 +0000 |
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committer | dan miller | 2007-10-18 08:29:49 +0000 |
commit | cc07c64bdef46f4d25c2203e874f91ee94583f56 (patch) | |
tree | 004c68e8d8813ff1addfd9749e3dbdc6ff4432a9 /libraries/openjpeg-libsl/libopenjpeg/jp2.h | |
parent | hmm... trying again to get everything committed (diff) | |
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one more time
Diffstat (limited to 'libraries/openjpeg-libsl/libopenjpeg/jp2.h')
-rw-r--r-- | libraries/openjpeg-libsl/libopenjpeg/jp2.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/libraries/openjpeg-libsl/libopenjpeg/jp2.h b/libraries/openjpeg-libsl/libopenjpeg/jp2.h new file mode 100644 index 0000000..61fc1e4 --- /dev/null +++ b/libraries/openjpeg-libsl/libopenjpeg/jp2.h | |||
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1 | /* | ||
2 | * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium | ||
3 | * Copyright (c) 2002-2007, Professor Benoit Macq | ||
4 | * Copyright (c) 2002-2003, Yannick Verschueren | ||
5 | * Copyright (c) 2005, Herve Drolon, FreeImage Team | ||
6 | * All rights reserved. | ||
7 | * | ||
8 | * Redistribution and use in source and binary forms, with or without | ||
9 | * modification, are permitted provided that the following conditions | ||
10 | * are met: | ||
11 | * 1. Redistributions of source code must retain the above copyright | ||
12 | * notice, this list of conditions and the following disclaimer. | ||
13 | * 2. Redistributions in binary form must reproduce the above copyright | ||
14 | * notice, this list of conditions and the following disclaimer in the | ||
15 | * documentation and/or other materials provided with the distribution. | ||
16 | * | ||
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' | ||
18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
27 | * POSSIBILITY OF SUCH DAMAGE. | ||
28 | */ | ||
29 | #ifndef __JP2_H | ||
30 | #define __JP2_H | ||
31 | /** | ||
32 | @file jp2.h | ||
33 | @brief The JPEG-2000 file format Reader/Writer (JP2) | ||
34 | |||
35 | */ | ||
36 | |||
37 | /** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ | ||
38 | /*@{*/ | ||
39 | |||
40 | #define JPIP_JPIP 0x6a706970 | ||
41 | |||
42 | #define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */ | ||
43 | #define JP2_FTYP 0x66747970 /**< File type box */ | ||
44 | #define JP2_JP2H 0x6a703268 /**< JP2 header box */ | ||
45 | #define JP2_IHDR 0x69686472 /**< Image header box */ | ||
46 | #define JP2_COLR 0x636f6c72 /**< Colour specification box */ | ||
47 | #define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */ | ||
48 | #define JP2_URL 0x75726c20 /**< URL box */ | ||
49 | #define JP2_DBTL 0x6474626c /**< ??? */ | ||
50 | #define JP2_BPCC 0x62706363 /**< Bits per component box */ | ||
51 | #define JP2_JP2 0x6a703220 /**< File type fields */ | ||
52 | |||
53 | /* ----------------------------------------------------------------------- */ | ||
54 | |||
55 | /** | ||
56 | JP2 component | ||
57 | */ | ||
58 | typedef struct opj_jp2_comps { | ||
59 | int depth; | ||
60 | int sgnd; | ||
61 | int bpcc; | ||
62 | } opj_jp2_comps_t; | ||
63 | |||
64 | /** | ||
65 | JPEG-2000 file format reader/writer | ||
66 | */ | ||
67 | typedef struct opj_jp2 { | ||
68 | /** codec context */ | ||
69 | opj_common_ptr cinfo; | ||
70 | /** handle to the J2K codec */ | ||
71 | opj_j2k_t *j2k; | ||
72 | unsigned int w; | ||
73 | unsigned int h; | ||
74 | unsigned int numcomps; | ||
75 | unsigned int bpc; | ||
76 | unsigned int C; | ||
77 | unsigned int UnkC; | ||
78 | unsigned int IPR; | ||
79 | unsigned int meth; | ||
80 | unsigned int approx; | ||
81 | unsigned int enumcs; | ||
82 | unsigned int precedence; | ||
83 | unsigned int brand; | ||
84 | unsigned int minversion; | ||
85 | unsigned int numcl; | ||
86 | unsigned int *cl; | ||
87 | opj_jp2_comps_t *comps; | ||
88 | unsigned int j2k_codestream_offset; | ||
89 | unsigned int j2k_codestream_length; | ||
90 | } opj_jp2_t; | ||
91 | |||
92 | /** | ||
93 | JP2 Box | ||
94 | */ | ||
95 | typedef struct opj_jp2_box { | ||
96 | int length; | ||
97 | int type; | ||
98 | int init_pos; | ||
99 | } opj_jp2_box_t; | ||
100 | |||
101 | /** @name Exported functions */ | ||
102 | /*@{*/ | ||
103 | /* ----------------------------------------------------------------------- */ | ||
104 | /** | ||
105 | Write the JP2H box - JP2 Header box (used in MJ2) | ||
106 | @param jp2 JP2 handle | ||
107 | @param cio Output buffer stream | ||
108 | */ | ||
109 | void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio); | ||
110 | /** | ||
111 | Read the JP2H box - JP2 Header box (used in MJ2) | ||
112 | @param jp2 JP2 handle | ||
113 | @param cio Input buffer stream | ||
114 | @return Returns true if successful, returns false otherwise | ||
115 | */ | ||
116 | bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio); | ||
117 | /** | ||
118 | Creates a JP2 decompression structure | ||
119 | @param cinfo Codec context info | ||
120 | @return Returns a handle to a JP2 decompressor if successful, returns NULL otherwise | ||
121 | */ | ||
122 | opj_jp2_t* jp2_create_decompress(opj_common_ptr cinfo); | ||
123 | /** | ||
124 | Destroy a JP2 decompressor handle | ||
125 | @param jp2 JP2 decompressor handle to destroy | ||
126 | */ | ||
127 | void jp2_destroy_decompress(opj_jp2_t *jp2); | ||
128 | /** | ||
129 | Setup the decoder decoding parameters using user parameters. | ||
130 | Decoding parameters are returned in jp2->j2k->cp. | ||
131 | @param jp2 JP2 decompressor handle | ||
132 | @param parameters decompression parameters | ||
133 | */ | ||
134 | void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters); | ||
135 | /** | ||
136 | Decode an image from a JPEG-2000 file stream | ||
137 | @param jp2 JP2 decompressor handle | ||
138 | @param cio Input buffer stream | ||
139 | @return Returns a decoded image if successful, returns NULL otherwise | ||
140 | */ | ||
141 | opj_image_t* jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio); | ||
142 | /** | ||
143 | Creates a JP2 compression structure | ||
144 | @param cinfo Codec context info | ||
145 | @return Returns a handle to a JP2 compressor if successful, returns NULL otherwise | ||
146 | */ | ||
147 | opj_jp2_t* jp2_create_compress(opj_common_ptr cinfo); | ||
148 | /** | ||
149 | Destroy a JP2 compressor handle | ||
150 | @param jp2 JP2 compressor handle to destroy | ||
151 | */ | ||
152 | void jp2_destroy_compress(opj_jp2_t *jp2); | ||
153 | /** | ||
154 | Setup the encoder parameters using the current image and using user parameters. | ||
155 | Coding parameters are returned in jp2->j2k->cp. | ||
156 | @param jp2 JP2 compressor handle | ||
157 | @param parameters compression parameters | ||
158 | @param image input filled image | ||
159 | */ | ||
160 | void jp2_setup_encoder(opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image); | ||
161 | /** | ||
162 | Encode an image into a JPEG-2000 file stream | ||
163 | @param jp2 JP2 compressor handle | ||
164 | @param cio Output buffer stream | ||
165 | @param image Image to encode | ||
166 | @param index Name of the index file if required, NULL otherwise | ||
167 | @return Returns true if successful, returns false otherwise | ||
168 | */ | ||
169 | bool jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, char *index); | ||
170 | /* ----------------------------------------------------------------------- */ | ||
171 | /*@}*/ | ||
172 | |||
173 | /*@}*/ | ||
174 | |||
175 | #endif /* __JP2_H */ | ||
176 | |||