1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/**
* @file llimagej2ckdu.h
* @brief This is an implementation of JPEG2000 encode/decode using Kakadu
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLIMAGEJ2CKDU_H
#define LL_LLIMAGEJ2CKDU_H
#include "llimagej2c.h"
//
// KDU core header files
//
#define KDU_NO_THREADS
#include "kdu_elementary.h"
#include "kdu_messaging.h"
#include "kdu_params.h"
#define kdu_xxxx "kdu_compressed.h"
#include "include_kdu_xxxx.h"
#include "kdu_sample_processing.h"
class LLKDUDecodeState;
class LLKDUMemSource;
class LLImageJ2CKDU : public LLImageJ2CImpl
{
public:
enum ECodeStreamMode
{
MODE_FAST = 0,
MODE_RESILIENT = 1,
MODE_FUSSY = 2
};
LLImageJ2CKDU();
virtual ~LLImageJ2CKDU();
protected:
/*virtual*/ BOOL getMetadata(LLImageJ2C &base);
/*virtual*/ BOOL decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, S32 first_channel, S32 max_channel_count);
/*virtual*/ BOOL encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0,
BOOL reversible=FALSE);
/*virtual*/ BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL);
/*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1, int levels = 0);
void findDiscardLevelsBoundaries(LLImageJ2C &base);
private:
BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, ECodeStreamMode mode, S32 first_channel, S32 max_channel_count, int discard_level = -1, int* region = NULL);
void setupCodeStream(LLImageJ2C &base, BOOL keep_codestream, ECodeStreamMode mode);
void cleanupCodeStream();
// Encode variable
LLKDUMemSource *mInputp;
kdu_core::kdu_codestream *mCodeStreamp;
kdu_core::kdu_coords *mTPosp; // tile position
kdu_core::kdu_dims *mTileIndicesp;
int mBlocksSize;
int mPrecinctsSize;
int mLevels;
// Temporary variables for in-progress decodes...
LLImageRaw *mRawImagep;
LLKDUDecodeState *mDecodeState;
};
#if LL_WINDOWS
# define LLSYMEXPORT __declspec(dllexport)
#elif LL_LINUX
# define LLSYMEXPORT __attribute__ ((visibility("default")))
#else
# define LLSYMEXPORT
#endif
extern "C" LLSYMEXPORT const char* engineInfoLLImageJ2CKDU();
extern "C" LLSYMEXPORT LLImageJ2CKDU* createLLImageJ2CKDU();
extern "C" LLSYMEXPORT void destroyLLImageJ2CKDU(LLImageJ2CKDU* kdu);
#endif
|
