chromium/third_party/brotli/enc/metablock_inc.h

/* NOLINT(build/header_guard) */
/* Copyright 2015 Google Inc. All Rights Reserved.

   Distributed under MIT license.
   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/

/* template parameters: FN */

#define HistogramType …

/* Greedy block splitter for one block category (literal, command or distance).
*/
BlockSplitterLiteral;

static void FN(InitBlockSplitter)(
    MemoryManager* m, FN(BlockSplitter)* self, size_t alphabet_size,
    size_t min_block_size, double split_threshold, size_t num_symbols,
    BlockSplit* split, HistogramType** histograms, size_t* histograms_size) { … }

/* Does either of three things:
     (1) emits the current block with a new block type;
     (2) emits the current block with the type of the second last block;
     (3) merges the current block with the last block. */
static void FN(BlockSplitterFinishBlock)(
    FN(BlockSplitter)* self, BROTLI_BOOL is_final) { … }

/* Adds the next symbol to the current histogram. When the current histogram
   reaches the target size, decides on merging the block. */
static void FN(BlockSplitterAddSymbol)(FN(BlockSplitter)* self, size_t symbol) { … }

#undef HistogramType