OpenJPH: /build/openjph/src/OpenJPH/src/core/openjph/ojph_mem.h Source File

OpenJPH Open-source implementation of JPEG2000 Part-15

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ojph_mem.h
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1//***************************************************************************/
2// This software is released under the 2-Clause BSD license, included
3// below.
4//
5// Copyright (c) 2019, Aous Naman
6// Copyright (c) 2019, Kakadu Software Pty Ltd, Australia
7// Copyright (c) 2019, The University of New South Wales, Australia
8//
9// Redistribution and use in source and binary forms, with or without
10// modification, are permitted provided that the following conditions are
11// met:
12//
13// 1. Redistributions of source code must retain the above copyright
14// notice, this list of conditions and the following disclaimer.
15//
16// 2. Redistributions in binary form must reproduce the above copyright
17// notice, this list of conditions and the following disclaimer in the
18// documentation and/or other materials provided with the distribution.
19//
20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
21// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
26// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31//***************************************************************************/
32// This file is part of the OpenJPH software implementation.
33// File: ojph_mem.h
34// Author: Aous Naman
35// Date: 28 August 2019
36//***************************************************************************/
37
38
39#ifndef OJPH_MEM_H
40#define OJPH_MEM_H
41
42#include <cstdlib>
43#include <cassert>
44#include <cstring>
45#include <type_traits>
46
47#include "ojph_arch.h"
48#include "ojph_message.h"
49
50namespace ojph {
51
52 extern "C" {
53 void* ojph_aligned_malloc(size_t alignment, size_t size);
54 void ojph_aligned_free(void* pointer);
55 }
56
58 class mem_fixed_allocator
59 {
60 public:
61 mem_fixed_allocator()
62 {
63 store = NULL; allocated_data = 0;
64 restart();
65 }
66 ~mem_fixed_allocator()
67 {
68 if (store) free(store);
69 }
70
71 template<typename T>
72 void pre_alloc_data(size_t num_ele, ui32 pre_size)
73 {
74 pre_alloc_local<T, byte_alignment>(num_ele, pre_size, size_data);
75 }
76
77 template<typename T>
78 void pre_alloc_obj(size_t num_ele)
79 {
80 pre_alloc_local<T, object_alignment>(num_ele, 0, size_obj);
81 }
82
83 void alloc()
84 {
85 assert(preallocation);
86 if (size_data + size_obj > allocated_data)
87 {
88 // We should be here once only, because, in subsequent, calls we
89 // should have size_data + size_obj <= allocated_data
90 free(store);
91 allocated_data = size_data + size_obj;
92 allocated_data = allocated_data + (allocated_data + 19) / 20; // 5%
93 store = malloc(allocated_data);
94 if (store == NULL)
95 OJPH_ERROR(0x00090001, "malloc failed");
96 }
97 avail_obj = store;
98 avail_data = (ui8*)store + size_obj;
99 avail_size_obj = size_obj;
100 avail_size_data = size_data;
101 preallocation = false;
102 }
103
104 void restart()
105 {
106 avail_obj = avail_data = NULL;
107 avail_size_obj = avail_size_data = size_obj = size_data = 0;
108 preallocation = true;
109 }
110
111 template<typename T>
112 T* post_alloc_data(size_t num_ele, ui32 pre_size)
113 {
114 return post_alloc_local<T, byte_alignment>
115 (num_ele, pre_size, avail_size_data, avail_data);
116 }
117
118 template<typename T>
119 T* post_alloc_obj(size_t num_ele)
120 {
121 return post_alloc_local<T, object_alignment>
122 (num_ele, 0, avail_size_obj, avail_obj);
123 }
124
125 private:
126 template<typename T, int N>
127 void pre_alloc_local(size_t num_ele, ui32 pre_size, size_t& sz)
128 {
129 assert(preallocation);
130 num_ele = calc_aligned_size<T, N>(num_ele);
131 size_t total = (num_ele + pre_size) * sizeof(T);
132 total += 2*N - 1;
133
134 sz += total;
135 }
136
137 template<typename T, int N>
138 T* post_alloc_local(size_t num_ele, ui32 pre_size,
139 size_t& avail_sz, void*& avail_p)
140 {
141 assert(!preallocation);
142 num_ele = calc_aligned_size<T, N>(num_ele);
143 size_t total = (num_ele + pre_size) * sizeof(T);
144 total += 2*N - 1;
145
146 T* p = align_ptr<T, N>((T*)avail_p + pre_size);
147 avail_p = (ui8*)avail_p + total;
148 avail_sz -= total;
149 assert((avail_sz & 0x8000000000000000llu) == 0);
150 return p;
151 }
152
153 void *store, *avail_data, *avail_obj;
154 size_t size_data, size_obj, avail_size_obj, avail_size_data;
155 size_t allocated_data;
156 bool preallocation;
157 };
158
160 class line_buf
161 {
162 public:
163 enum : ui32 {
164 LFT_UNDEFINED = 0x00, // Type is undefined/uninitialized
165 // These flags reflects data size in bytes
166 LFT_BYTE = 0x01, // Set when data is 1 byte (not used)
167 LFT_16BIT = 0x02, // Set when data is 2 bytes (not used)
168 LFT_32BIT = 0x04, // Set when data is 4 bytes
169 LFT_64BIT = 0x08, // Set when data is 8 bytes
170 LFT_INTEGER = 0x10, // Set when data is an integer, in other words
171 // 32bit integer, not 32bit float
172 LFT_SIZE_MASK = 0x0F, // To extract data size
173 };
174
175 public:
176 line_buf() : size(0), pre_size(0), flags(LFT_UNDEFINED), i32(0) {}
177
178 template<typename T>
179 void wrap(T *buffer, size_t num_ele, ui32 pre_size);
180
181 size_t size;
182 ui32 pre_size;
183 ui32 flags;
184 union {
185 si32* i32; // 32bit integer type, used for lossless compression
186 si64* i64; // 64bit integer type, used for lossless compression
187 float* f32; // float type, used for lossy compression
188 void* p; // no type is associated with the pointer
189 };
190 };
191
193 struct lifting_buf
194 {
195 lifting_buf() { line = NULL; active = false; }
196 line_buf *line;
197 bool active;
198 };
199
201 struct coded_lists
202 {
203 coded_lists(ui32 size)
204 {
205 next_list = NULL;
206 avail_size = buf_size = size;
207 this->buf = (ui8*)this + sizeof(coded_lists);
208 }
209
210 coded_lists* next_list;
211 ui32 buf_size;
212 ui32 avail_size;
213 ui8* buf;
214 };
215
217 class mem_elastic_allocator
218 {
219 /*
220 advantage: allocate large chunks of memory
221 */
222
223 public:
224 mem_elastic_allocator(ui32 chunk_size)
225 : chunk_size(chunk_size)
226 { cur_store = store = avail = NULL; total_allocated = 0; }
227
228 ~mem_elastic_allocator()
229 {
230 while (store) { // stores in use
231 stores_list* t = store->next_store;
232 free(store);
233 store = t;
234 }
235 while (avail) { // available stores
236 stores_list* t = avail->next_store;
237 free(avail);
238 avail = t;
239 }
240 }
241
242 void get_buffer(ui32 needed_bytes, coded_lists*& p);
243 void restart();
244
245 private:
246 struct stores_list
247 {
248 // Payload (coded_lists + bitstream) must start at a multiple of 16 bytes.
249 // Otherwise coded_lists::buf can be 4 mod 8, which causes misalignment
250 // on 32-bit architectures. So round sizeof(stores_list) to next
251 // multiple of 16.
252 static constexpr ui32 stores_list_size16()
253 {
254 return (ui32) ((sizeof (stores_list) + 15u) & ~15u);
255 }
256 stores_list(ui32 available_bytes)
257 {
258 this->next_store = NULL;
259 this->orig_size = this->available = available_bytes;
260 this->orig_data = this->data = (ui8*)this + stores_list_size16();
261 }
262 void restart()
263 {
264 this->next_store = NULL;
265 this->available = this->orig_size;
266 this->data = this->orig_data;
267 }
268 static ui32 eval_store_bytes(ui32 available_bytes)
269 { // calculates how many bytes need to be allocated
270 return available_bytes + stores_list_size16();
271 }
272 stores_list *next_store;
273 ui8 *orig_data, *data;
274 ui32 orig_size, available;
275 };
276
277 stores_list* allocate(stores_list** list, ui32 extended_bytes);
278
279 stores_list *store;
280 stores_list *cur_store;
281 stores_list *avail;
282 size_t total_allocated;
283 const ui32 chunk_size;
284 };
285
286
287}
288
289
290#endif // !OJPH_MEM_H
ojph::line_buf
Definition ojph_mem.h:161
ojph::line_buf::LFT_INTEGER
@ LFT_INTEGER
Definition ojph_mem.h:170
ojph::line_buf::LFT_UNDEFINED
@ LFT_UNDEFINED
Definition ojph_mem.h:164
ojph::line_buf::LFT_SIZE_MASK
@ LFT_SIZE_MASK
Definition ojph_mem.h:172
ojph::line_buf::LFT_32BIT
@ LFT_32BIT
Definition ojph_mem.h:168
ojph::line_buf::LFT_BYTE
@ LFT_BYTE
Definition ojph_mem.h:166
ojph::line_buf::LFT_64BIT
@ LFT_64BIT
Definition ojph_mem.h:169
ojph::line_buf::LFT_16BIT
@ LFT_16BIT
Definition ojph_mem.h:167
ojph::line_buf::i64
si64 * i64
Definition ojph_mem.h:186
ojph::line_buf::size
size_t size
Definition ojph_mem.h:181
ojph::line_buf::p
void * p
Definition ojph_mem.h:188
ojph::line_buf::flags
ui32 flags
Definition ojph_mem.h:183
ojph::line_buf::f32
float * f32
Definition ojph_mem.h:187
ojph::line_buf::line_buf
line_buf()
Definition ojph_mem.h:176
ojph::line_buf::pre_size
ui32 pre_size
Definition ojph_mem.h:182
ojph::line_buf::wrap
void wrap(T *buffer, size_t num_ele, ui32 pre_size)
ojph::line_buf::i32
si32 * i32
Definition ojph_mem.h:185
ojph::mem_elastic_allocator::chunk_size
const ui32 chunk_size
Definition ojph_mem.h:283
ojph::mem_elastic_allocator::get_buffer
void get_buffer(ui32 needed_bytes, coded_lists *&p)
Definition ojph_mem.cpp:113
ojph::mem_elastic_allocator::store
stores_list * store
Definition ojph_mem.h:279
ojph::mem_elastic_allocator::restart
void restart()
Definition ojph_mem.cpp:133
ojph::mem_elastic_allocator::allocate
stores_list * allocate(stores_list **list, ui32 extended_bytes)
Definition ojph_mem.cpp:92
ojph::mem_elastic_allocator::~mem_elastic_allocator
~mem_elastic_allocator()
Definition ojph_mem.h:228
ojph::mem_elastic_allocator::mem_elastic_allocator
mem_elastic_allocator(ui32 chunk_size)
Definition ojph_mem.h:224
ojph::mem_elastic_allocator::avail
stores_list * avail
Definition ojph_mem.h:281
ojph::mem_elastic_allocator::cur_store
stores_list * cur_store
Definition ojph_mem.h:280
ojph::mem_elastic_allocator::total_allocated
size_t total_allocated
Definition ojph_mem.h:282
ojph::mem_fixed_allocator::pre_alloc_data
void pre_alloc_data(size_t num_ele, ui32 pre_size)
Definition ojph_mem.h:72
ojph::mem_fixed_allocator::preallocation
bool preallocation
Definition ojph_mem.h:156
ojph::mem_fixed_allocator::restart
void restart()
Definition ojph_mem.h:104
ojph::mem_fixed_allocator::alloc
void alloc()
Definition ojph_mem.h:83
ojph::mem_fixed_allocator::pre_alloc_obj
void pre_alloc_obj(size_t num_ele)
Definition ojph_mem.h:78
ojph::mem_fixed_allocator::avail_obj
void * avail_obj
Definition ojph_mem.h:153
ojph::mem_fixed_allocator::store
void * store
Definition ojph_mem.h:153
ojph::mem_fixed_allocator::pre_alloc_local
void pre_alloc_local(size_t num_ele, ui32 pre_size, size_t &sz)
Definition ojph_mem.h:127
ojph::mem_fixed_allocator::size_data
size_t size_data
Definition ojph_mem.h:154
ojph::mem_fixed_allocator::post_alloc_data
T * post_alloc_data(size_t num_ele, ui32 pre_size)
Definition ojph_mem.h:112
ojph::mem_fixed_allocator::avail_data
void * avail_data
Definition ojph_mem.h:153
ojph::mem_fixed_allocator::avail_size_data
size_t avail_size_data
Definition ojph_mem.h:154
ojph::mem_fixed_allocator::avail_size_obj
size_t avail_size_obj
Definition ojph_mem.h:154
ojph::mem_fixed_allocator::allocated_data
size_t allocated_data
Definition ojph_mem.h:155
ojph::mem_fixed_allocator::~mem_fixed_allocator
~mem_fixed_allocator()
Definition ojph_mem.h:66
ojph::mem_fixed_allocator::mem_fixed_allocator
mem_fixed_allocator()
Definition ojph_mem.h:61
ojph::mem_fixed_allocator::size_obj
size_t size_obj
Definition ojph_mem.h:154
ojph::mem_fixed_allocator::post_alloc_obj
T * post_alloc_obj(size_t num_ele)
Definition ojph_mem.h:119
ojph::mem_fixed_allocator::post_alloc_local
T * post_alloc_local(size_t num_ele, ui32 pre_size, size_t &avail_sz, void *&avail_p)
Definition ojph_mem.h:138
ojph
Definition ojph_img_io.h:52
ojph::ojph_aligned_malloc
void * ojph_aligned_malloc(size_t alignment, size_t size)
ojph::si64
int64_t si64
Definition ojph_defs.h:57
ojph::calc_aligned_size
size_t calc_aligned_size(size_t size)
Definition ojph_arch.h:302
ojph::align_ptr
T * align_ptr(T *ptr)
Definition ojph_arch.h:312
ojph::si32
int32_t si32
Definition ojph_defs.h:55
ojph::ui32
uint32_t ui32
Definition ojph_defs.h:54
ojph::ui8
uint8_t ui8
Definition ojph_defs.h:50
ojph::ojph_aligned_free
void ojph_aligned_free(void *pointer)
ojph_arch.h
ojph_message.h
OJPH_ERROR
#define OJPH_ERROR(t,...)
Definition ojph_message.h:288
ojph::coded_lists
Definition ojph_mem.h:202
ojph::coded_lists::buf_size
ui32 buf_size
Definition ojph_mem.h:211
ojph::coded_lists::coded_lists
coded_lists(ui32 size)
Definition ojph_mem.h:203
ojph::coded_lists::buf
ui8 * buf
Definition ojph_mem.h:213
ojph::coded_lists::next_list
coded_lists * next_list
Definition ojph_mem.h:210
ojph::coded_lists::avail_size
ui32 avail_size
Definition ojph_mem.h:212
ojph::lifting_buf::lifting_buf
lifting_buf()
Definition ojph_mem.h:195
ojph::lifting_buf::line
line_buf * line
Definition ojph_mem.h:196
ojph::lifting_buf::active
bool active
Definition ojph_mem.h:197
ojph::mem_elastic_allocator::stores_list
Definition ojph_mem.h:247
ojph::mem_elastic_allocator::stores_list::eval_store_bytes
static ui32 eval_store_bytes(ui32 available_bytes)
Definition ojph_mem.h:268
ojph::mem_elastic_allocator::stores_list::available
ui32 available
Definition ojph_mem.h:274
ojph::mem_elastic_allocator::stores_list::data
ui8 * data
Definition ojph_mem.h:273
ojph::mem_elastic_allocator::stores_list::stores_list
stores_list(ui32 available_bytes)
Definition ojph_mem.h:256
ojph::mem_elastic_allocator::stores_list::restart
void restart()
Definition ojph_mem.h:262
ojph::mem_elastic_allocator::stores_list::orig_data
ui8 * orig_data
Definition ojph_mem.h:273
ojph::mem_elastic_allocator::stores_list::next_store
stores_list * next_store
Definition ojph_mem.h:272
ojph::mem_elastic_allocator::stores_list::orig_size
ui32 orig_size
Definition ojph_mem.h:274
ojph::mem_elastic_allocator::stores_list::stores_list_size16
static constexpr ui32 stores_list_size16()
Definition ojph_mem.h:252
ojph::size
Definition ojph_base.h:48