diff options
Diffstat (limited to 'BaseTools/Source/C/BrotliCompress/dec/state.c')
-rw-r--r-- | BaseTools/Source/C/BrotliCompress/dec/state.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/BaseTools/Source/C/BrotliCompress/dec/state.c b/BaseTools/Source/C/BrotliCompress/dec/state.c deleted file mode 100644 index 940abaaddb..0000000000 --- a/BaseTools/Source/C/BrotliCompress/dec/state.c +++ /dev/null @@ -1,168 +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
-*/
-
-#include "./state.h"
-
-#include <stdlib.h> /* free, malloc */
-
-#include "../common/types.h"
-#include "./huffman.h"
-
-#if defined(__cplusplus) || defined(c_plusplus)
-extern "C" {
-#endif
-
-static void* DefaultAllocFunc(void* opaque, size_t size) {
- BROTLI_UNUSED(opaque);
- return malloc(size);
-}
-
-static void DefaultFreeFunc(void* opaque, void* address) {
- BROTLI_UNUSED(opaque);
- free(address);
-}
-
-void BrotliDecoderStateInit(BrotliDecoderState* s) {
- BrotliDecoderStateInitWithCustomAllocators(s, 0, 0, 0);
-}
-
-void BrotliDecoderStateInitWithCustomAllocators(BrotliDecoderState* s,
- brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) {
- if (!alloc_func) {
- s->alloc_func = DefaultAllocFunc;
- s->free_func = DefaultFreeFunc;
- s->memory_manager_opaque = 0;
- } else {
- s->alloc_func = alloc_func;
- s->free_func = free_func;
- s->memory_manager_opaque = opaque;
- }
-
- BrotliInitBitReader(&s->br);
- s->state = BROTLI_STATE_UNINITED;
- s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NONE;
- s->substate_tree_group = BROTLI_STATE_TREE_GROUP_NONE;
- s->substate_context_map = BROTLI_STATE_CONTEXT_MAP_NONE;
- s->substate_uncompressed = BROTLI_STATE_UNCOMPRESSED_NONE;
- s->substate_huffman = BROTLI_STATE_HUFFMAN_NONE;
- s->substate_decode_uint8 = BROTLI_STATE_DECODE_UINT8_NONE;
- s->substate_read_block_length = BROTLI_STATE_READ_BLOCK_LENGTH_NONE;
-
- s->buffer_length = 0;
- s->loop_counter = 0;
- s->pos = 0;
- s->rb_roundtrips = 0;
- s->partial_pos_out = 0;
-
- s->block_type_trees = NULL;
- s->block_len_trees = NULL;
- s->ringbuffer = NULL;
-
- s->context_map = NULL;
- s->context_modes = NULL;
- s->dist_context_map = NULL;
- s->context_map_slice = NULL;
- s->dist_context_map_slice = NULL;
-
- s->sub_loop_counter = 0;
-
- s->literal_hgroup.codes = NULL;
- s->literal_hgroup.htrees = NULL;
- s->insert_copy_hgroup.codes = NULL;
- s->insert_copy_hgroup.htrees = NULL;
- s->distance_hgroup.codes = NULL;
- s->distance_hgroup.htrees = NULL;
-
- s->custom_dict = NULL;
- s->custom_dict_size = 0;
-
- s->is_last_metablock = 0;
- s->window_bits = 0;
- s->max_distance = 0;
- s->dist_rb[0] = 16;
- s->dist_rb[1] = 15;
- s->dist_rb[2] = 11;
- s->dist_rb[3] = 4;
- s->dist_rb_idx = 0;
- s->block_type_trees = NULL;
- s->block_len_trees = NULL;
-
- /* Make small negative indexes addressable. */
- s->symbol_lists = &s->symbols_lists_array[BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1];
-
- s->mtf_upper_bound = 255;
-}
-
-void BrotliDecoderStateMetablockBegin(BrotliDecoderState* s) {
- s->meta_block_remaining_len = 0;
- s->block_length[0] = 1U << 28;
- s->block_length[1] = 1U << 28;
- s->block_length[2] = 1U << 28;
- s->num_block_types[0] = 1;
- s->num_block_types[1] = 1;
- s->num_block_types[2] = 1;
- s->block_type_rb[0] = 1;
- s->block_type_rb[1] = 0;
- s->block_type_rb[2] = 1;
- s->block_type_rb[3] = 0;
- s->block_type_rb[4] = 1;
- s->block_type_rb[5] = 0;
- s->context_map = NULL;
- s->context_modes = NULL;
- s->dist_context_map = NULL;
- s->context_map_slice = NULL;
- s->literal_htree = NULL;
- s->dist_context_map_slice = NULL;
- s->dist_htree_index = 0;
- s->context_lookup1 = NULL;
- s->context_lookup2 = NULL;
- s->literal_hgroup.codes = NULL;
- s->literal_hgroup.htrees = NULL;
- s->insert_copy_hgroup.codes = NULL;
- s->insert_copy_hgroup.htrees = NULL;
- s->distance_hgroup.codes = NULL;
- s->distance_hgroup.htrees = NULL;
-}
-
-void BrotliDecoderStateCleanupAfterMetablock(BrotliDecoderState* s) {
- BROTLI_FREE(s, s->context_modes);
- BROTLI_FREE(s, s->context_map);
- BROTLI_FREE(s, s->dist_context_map);
-
- BrotliDecoderHuffmanTreeGroupRelease(s, &s->literal_hgroup);
- BrotliDecoderHuffmanTreeGroupRelease(s, &s->insert_copy_hgroup);
- BrotliDecoderHuffmanTreeGroupRelease(s, &s->distance_hgroup);
-}
-
-void BrotliDecoderStateCleanup(BrotliDecoderState* s) {
- BrotliDecoderStateCleanupAfterMetablock(s);
-
- BROTLI_FREE(s, s->ringbuffer);
- BROTLI_FREE(s, s->block_type_trees);
-}
-
-void BrotliDecoderHuffmanTreeGroupInit(BrotliDecoderState* s,
- HuffmanTreeGroup* group, uint32_t alphabet_size, uint32_t ntrees) {
- /* Pack two allocations into one */
- const size_t max_table_size = kMaxHuffmanTableSize[(alphabet_size + 31) >> 5];
- const size_t code_size = sizeof(HuffmanCode) * ntrees * max_table_size;
- const size_t htree_size = sizeof(HuffmanCode*) * ntrees;
- char* p = (char*)BROTLI_ALLOC(s, code_size + htree_size);
- group->alphabet_size = (uint16_t)alphabet_size;
- group->num_htrees = (uint16_t)ntrees;
- group->codes = (HuffmanCode*)p;
- group->htrees = (HuffmanCode**)(p + code_size);
-}
-
-void BrotliDecoderHuffmanTreeGroupRelease(
- BrotliDecoderState* s, HuffmanTreeGroup* group) {
- BROTLI_FREE(s, group->codes);
- group->htrees = NULL;
-}
-
-#if defined(__cplusplus) || defined(c_plusplus)
-} /* extern "C" */
-#endif
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