BaseTools/Source/C/BrotliCompress/enc/params.h

   1 /* Copyright 2017 Google Inc. All Rights Reserved.
   2
   3    Distributed under MIT license.
   4    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
   5 */
   6
   7 /* Parameters for the Brotli encoder with chosen quality levels. */
   8
   9 #ifndef BROTLI_ENC_PARAMS_H_
  10 #define BROTLI_ENC_PARAMS_H_
  11
  12 #include <brotli/encode.h>
  13 #include "./encoder_dict.h"
  14
  15 typedef struct BrotliHasherParams {
  16   int type;
  17   int bucket_bits;
  18   int block_bits;
  19   int hash_len;
  20   int num_last_distances_to_check;
  21 } BrotliHasherParams;
  22
  23 typedef struct BrotliDistanceParams {
  24   uint32_t distance_postfix_bits;
  25   uint32_t num_direct_distance_codes;
  26   uint32_t alphabet_size;
  27   size_t max_distance;
  28 } BrotliDistanceParams;
  29
  30 /* Encoding parameters */
  31 typedef struct BrotliEncoderParams {
  32   BrotliEncoderMode mode;
  33   int quality;
  34   int lgwin;
  35   int lgblock;
  36   size_t size_hint;
  37   BROTLI_BOOL disable_literal_context_modeling;
  38   BROTLI_BOOL large_window;
  39   BrotliHasherParams hasher;
  40   BrotliDistanceParams dist;
  41   BrotliEncoderDictionary dictionary;
  42 } BrotliEncoderParams;
  43
  44 #endif  /* BROTLI_ENC_PARAMS_H_ */