diff options
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/enc/metablock.h')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/enc/metablock.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/enc/metablock.h b/Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/enc/metablock.h deleted file mode 100644 index 334a79a443c..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/enc/metablock.h +++ /dev/null @@ -1,105 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Algorithms for distributing the literals and commands of a metablock between - block types and contexts. */ - -#ifndef BROTLI_ENC_METABLOCK_H_ -#define BROTLI_ENC_METABLOCK_H_ - -#include "../common/context.h" -#include "../common/platform.h" -#include <brotli/types.h> -#include "./block_splitter.h" -#include "./command.h" -#include "./histogram.h" -#include "./memory.h" -#include "./quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct MetaBlockSplit { - BlockSplit literal_split; - BlockSplit command_split; - BlockSplit distance_split; - uint32_t* literal_context_map; - size_t literal_context_map_size; - uint32_t* distance_context_map; - size_t distance_context_map_size; - HistogramLiteral* literal_histograms; - size_t literal_histograms_size; - HistogramCommand* command_histograms; - size_t command_histograms_size; - HistogramDistance* distance_histograms; - size_t distance_histograms_size; -} MetaBlockSplit; - -static BROTLI_INLINE void InitMetaBlockSplit(MetaBlockSplit* mb) { - BrotliInitBlockSplit(&mb->literal_split); - BrotliInitBlockSplit(&mb->command_split); - BrotliInitBlockSplit(&mb->distance_split); - mb->literal_context_map = 0; - mb->literal_context_map_size = 0; - mb->distance_context_map = 0; - mb->distance_context_map_size = 0; - mb->literal_histograms = 0; - mb->literal_histograms_size = 0; - mb->command_histograms = 0; - mb->command_histograms_size = 0; - mb->distance_histograms = 0; - mb->distance_histograms_size = 0; -} - -static BROTLI_INLINE void DestroyMetaBlockSplit( - MemoryManager* m, MetaBlockSplit* mb) { - BrotliDestroyBlockSplit(m, &mb->literal_split); - BrotliDestroyBlockSplit(m, &mb->command_split); - BrotliDestroyBlockSplit(m, &mb->distance_split); - BROTLI_FREE(m, mb->literal_context_map); - BROTLI_FREE(m, mb->distance_context_map); - BROTLI_FREE(m, mb->literal_histograms); - BROTLI_FREE(m, mb->command_histograms); - BROTLI_FREE(m, mb->distance_histograms); -} - -/* Uses the slow shortest-path block splitter and does context clustering. - The distance parameters are dynamically selected based on the commands - which get recomputed under the new distance parameters. The new distance - parameters are stored into *params. */ -BROTLI_INTERNAL void BrotliBuildMetaBlock(MemoryManager* m, - const uint8_t* ringbuffer, - const size_t pos, - const size_t mask, - BrotliEncoderParams* params, - uint8_t prev_byte, - uint8_t prev_byte2, - Command* cmds, - size_t num_commands, - ContextType literal_context_mode, - MetaBlockSplit* mb); - -/* Uses a fast greedy block splitter that tries to merge current block with the - last or the second last block and uses a static context clustering which - is the same for all block types. */ -BROTLI_INTERNAL void BrotliBuildMetaBlockGreedy( - MemoryManager* m, const uint8_t* ringbuffer, size_t pos, size_t mask, - uint8_t prev_byte, uint8_t prev_byte2, ContextLut literal_context_lut, - size_t num_contexts, const uint32_t* static_context_map, - const Command* commands, size_t n_commands, MetaBlockSplit* mb); - -BROTLI_INTERNAL void BrotliOptimizeHistograms(uint32_t num_distance_codes, - MetaBlockSplit* mb); - -BROTLI_INTERNAL void BrotliInitDistanceParams(BrotliEncoderParams* params, - uint32_t npostfix, uint32_t ndirect); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_METABLOCK_H_ */ |