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/* Copyright 2013 Google Inc. All Rights Reserved. 

   Distributed under MIT license. 
   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT 
*/ 
 
/* Block split point selection utilities. */ 
 
#ifndef BROTLI_ENC_BLOCK_SPLITTER_H_
#define BROTLI_ENC_BLOCK_SPLITTER_H_

#include "../common/platform.h"
#include <brotli/types.h> 
#include "./command.h"
#include "./memory.h" 
#include "./quality.h" 

#if defined(__cplusplus) || defined(c_plusplus) 
extern "C" { 
#endif 

typedef struct BlockSplit { 
  size_t num_types;  /* Amount of distinct types */ 
  size_t num_blocks;  /* Amount of values in types and length */ 
  uint8_t* types; 
  uint32_t* lengths; 

  size_t types_alloc_size; 
  size_t lengths_alloc_size; 
} BlockSplit; 

BROTLI_INTERNAL void BrotliInitBlockSplit(BlockSplit* self); 
BROTLI_INTERNAL void BrotliDestroyBlockSplit(MemoryManager* m, 
                                             BlockSplit* self); 

BROTLI_INTERNAL void BrotliSplitBlock(MemoryManager* m, 
                                      const Command* cmds, 
                                      const size_t num_commands, 
                                      const uint8_t* data, 
                                      const size_t offset, 
                                      const size_t mask, 
                                      const BrotliEncoderParams* params, 
                                      BlockSplit* literal_split, 
                                      BlockSplit* insert_and_copy_split, 
                                      BlockSplit* dist_split); 

#if defined(__cplusplus) || defined(c_plusplus) 
}  /* extern "C" */ 
#endif 

#endif  /* BROTLI_ENC_BLOCK_SPLITTER_H_ */