/* Copyright 2013 Google Inc. All Rights Reserved. Distributed under MIT license. See file LICENSE for detail or copy at https://opensource.org/licenses/MIT */ /* Models the histograms of literals, commands and distance codes. */ #ifndef BROTLI_ENC_HISTOGRAM_H_ #define BROTLI_ENC_HISTOGRAM_H_ #include "../common/constants.h" #include "../common/context.h" #include "../common/platform.h" #include "block_splitter.h" #include "command.h" #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif /* The distance symbols effectively used by "Large Window Brotli" (32-bit). */ #define BROTLI_NUM_HISTOGRAM_DISTANCE_SYMBOLS 544 #define FN(X) X ## Literal #define DATA_SIZE BROTLI_NUM_LITERAL_SYMBOLS #define DataType uint8_t #include "histogram_inc.h" /* NOLINT(build/include) */ #undef DataType #undef DATA_SIZE #undef FN #define FN(X) X ## Command #define DataType uint16_t #define DATA_SIZE BROTLI_NUM_COMMAND_SYMBOLS #include "histogram_inc.h" /* NOLINT(build/include) */ #undef DATA_SIZE #undef FN #define FN(X) X ## Distance #define DATA_SIZE BROTLI_NUM_HISTOGRAM_DISTANCE_SYMBOLS #include "histogram_inc.h" /* NOLINT(build/include) */ #undef DataType #undef DATA_SIZE #undef FN BROTLI_INTERNAL void BrotliBuildHistogramsWithContext( const Command* cmds, const size_t num_commands, const BlockSplit* literal_split, const BlockSplit* insert_and_copy_split, const BlockSplit* dist_split, const uint8_t* ringbuffer, size_t pos, size_t mask, uint8_t prev_byte, uint8_t prev_byte2, const ContextType* context_modes, HistogramLiteral* literal_histograms, HistogramCommand* insert_and_copy_histograms, HistogramDistance* copy_dist_histograms); #if defined(__cplusplus) || defined(c_plusplus) } /* extern "C" */ #endif #endif /* BROTLI_ENC_HISTOGRAM_H_ */