blob: 5f34372f3e534647d3b39d1520496596d85a2c1d (
plain)
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
|
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "lib/jpegli/common.h"
#include "lib/jpegli/decode_internal.h"
#include "lib/jpegli/encode_internal.h"
#include "lib/jpegli/memory_manager.h"
void jpegli_abort(j_common_ptr cinfo) {
if (cinfo->mem == nullptr) return;
for (int pool_id = 0; pool_id < JPOOL_NUMPOOLS; ++pool_id) {
if (pool_id == JPOOL_PERMANENT) continue;
(*cinfo->mem->free_pool)(cinfo, pool_id);
}
if (cinfo->is_decompressor) {
cinfo->global_state = jpegli::kDecStart;
} else {
cinfo->global_state = jpegli::kEncStart;
}
}
void jpegli_destroy(j_common_ptr cinfo) {
if (cinfo->mem == nullptr) return;
(*cinfo->mem->self_destruct)(cinfo);
if (cinfo->is_decompressor) {
cinfo->global_state = jpegli::kDecNull;
delete reinterpret_cast<j_decompress_ptr>(cinfo)->master;
} else {
cinfo->global_state = jpegli::kEncNull;
}
}
JQUANT_TBL* jpegli_alloc_quant_table(j_common_ptr cinfo) {
JQUANT_TBL* table = jpegli::Allocate<JQUANT_TBL>(cinfo, 1);
table->sent_table = FALSE;
return table;
}
JHUFF_TBL* jpegli_alloc_huff_table(j_common_ptr cinfo) {
JHUFF_TBL* table = jpegli::Allocate<JHUFF_TBL>(cinfo, 1);
table->sent_table = FALSE;
return table;
}
int jpegli_bytes_per_sample(JpegliDataType data_type) {
switch (data_type) {
case JPEGLI_TYPE_UINT8:
return 1;
case JPEGLI_TYPE_UINT16:
return 2;
case JPEGLI_TYPE_FLOAT:
return 4;
default:
return 0;
}
}
|
