59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
// 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;
|
|
}
|
|
}
|