xref: /aosp_15_r20/external/brotli/c/enc/encoder_dict.h (revision f4ee7fba7774faf2a30f13154332c0a06550dbc4)
1*f4ee7fbaSAndroid Build Coastguard Worker /* Copyright 2017 Google Inc. All Rights Reserved.
2*f4ee7fbaSAndroid Build Coastguard Worker 
3*f4ee7fbaSAndroid Build Coastguard Worker    Distributed under MIT license.
4*f4ee7fbaSAndroid Build Coastguard Worker    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
5*f4ee7fbaSAndroid Build Coastguard Worker */
6*f4ee7fbaSAndroid Build Coastguard Worker 
7*f4ee7fbaSAndroid Build Coastguard Worker #ifndef BROTLI_ENC_ENCODER_DICT_H_
8*f4ee7fbaSAndroid Build Coastguard Worker #define BROTLI_ENC_ENCODER_DICT_H_
9*f4ee7fbaSAndroid Build Coastguard Worker 
10*f4ee7fbaSAndroid Build Coastguard Worker #include "../common/dictionary.h"
11*f4ee7fbaSAndroid Build Coastguard Worker #include "../common/platform.h"
12*f4ee7fbaSAndroid Build Coastguard Worker #include <brotli/types.h>
13*f4ee7fbaSAndroid Build Coastguard Worker #include "./static_dict_lut.h"
14*f4ee7fbaSAndroid Build Coastguard Worker 
15*f4ee7fbaSAndroid Build Coastguard Worker #if defined(__cplusplus) || defined(c_plusplus)
16*f4ee7fbaSAndroid Build Coastguard Worker extern "C" {
17*f4ee7fbaSAndroid Build Coastguard Worker #endif
18*f4ee7fbaSAndroid Build Coastguard Worker 
19*f4ee7fbaSAndroid Build Coastguard Worker /* Dictionary data (words and transforms) for 1 possible context */
20*f4ee7fbaSAndroid Build Coastguard Worker typedef struct BrotliEncoderDictionary {
21*f4ee7fbaSAndroid Build Coastguard Worker   const BrotliDictionary* words;
22*f4ee7fbaSAndroid Build Coastguard Worker   uint32_t num_transforms;
23*f4ee7fbaSAndroid Build Coastguard Worker 
24*f4ee7fbaSAndroid Build Coastguard Worker   /* cut off for fast encoder */
25*f4ee7fbaSAndroid Build Coastguard Worker   uint32_t cutoffTransformsCount;
26*f4ee7fbaSAndroid Build Coastguard Worker   uint64_t cutoffTransforms;
27*f4ee7fbaSAndroid Build Coastguard Worker 
28*f4ee7fbaSAndroid Build Coastguard Worker   /* from dictionary_hash.h, for fast encoder */
29*f4ee7fbaSAndroid Build Coastguard Worker   const uint16_t* hash_table_words;
30*f4ee7fbaSAndroid Build Coastguard Worker   const uint8_t* hash_table_lengths;
31*f4ee7fbaSAndroid Build Coastguard Worker 
32*f4ee7fbaSAndroid Build Coastguard Worker   /* from static_dict_lut.h, for slow encoder */
33*f4ee7fbaSAndroid Build Coastguard Worker   const uint16_t* buckets;
34*f4ee7fbaSAndroid Build Coastguard Worker   const DictWord* dict_words;
35*f4ee7fbaSAndroid Build Coastguard Worker } BrotliEncoderDictionary;
36*f4ee7fbaSAndroid Build Coastguard Worker 
37*f4ee7fbaSAndroid Build Coastguard Worker BROTLI_INTERNAL void BrotliInitEncoderDictionary(BrotliEncoderDictionary* dict);
38*f4ee7fbaSAndroid Build Coastguard Worker 
39*f4ee7fbaSAndroid Build Coastguard Worker #if defined(__cplusplus) || defined(c_plusplus)
40*f4ee7fbaSAndroid Build Coastguard Worker }  /* extern "C" */
41*f4ee7fbaSAndroid Build Coastguard Worker #endif
42*f4ee7fbaSAndroid Build Coastguard Worker 
43*f4ee7fbaSAndroid Build Coastguard Worker #endif  /* BROTLI_ENC_ENCODER_DICT_H_ */
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