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

   1 /* Copyright 2013 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 /* Block split point selection utilities. */
   8
   9 #ifndef BROTLI_ENC_BLOCK_SPLITTER_H_
  10 #define BROTLI_ENC_BLOCK_SPLITTER_H_
  11
  12 #include "../common/types.h"
  13 #include "./command.h"
  14 #include "./memory.h"
  15 #include "./port.h"
  16 #include "./quality.h"
  17
  18 #if defined(__cplusplus) || defined(c_plusplus)
  19 extern "C" {
  20 #endif
  21
  22 typedef struct BlockSplit {
  23   size_t num_types;  /* Amount of distinct types */
  24   size_t num_blocks;  /* Amount of values in types and length */
  25   uint8_t* types;
  26   uint32_t* lengths;
  27
  28   size_t types_alloc_size;
  29   size_t lengths_alloc_size;
  30 } BlockSplit;
  31
  32 BROTLI_INTERNAL void BrotliInitBlockSplit(BlockSplit* self);
  33 BROTLI_INTERNAL void BrotliDestroyBlockSplit(MemoryManager* m,
  34                                              BlockSplit* self);
  35
  36 BROTLI_INTERNAL void BrotliSplitBlock(MemoryManager* m,
  37                                       const Command* cmds,
  38                                       const size_t num_commands,
  39                                       const uint8_t* data,
  40                                       const size_t offset,
  41                                       const size_t mask,
  42                                       const BrotliEncoderParams* params,
  43                                       BlockSplit* literal_split,
  44                                       BlockSplit* insert_and_copy_split,
  45                                       BlockSplit* dist_split);
  46
  47 #if defined(__cplusplus) || defined(c_plusplus)
  48 }  /* extern "C" */
  49 #endif
  50
  51 #endif  /* BROTLI_ENC_BLOCK_SPLITTER_H_ */