blob: 2a08f904fd65e169b21c267ad04d162a621a9775 [file] [log] [blame]
/* NOLINT(build/header_guard) */
/* Copyright 2014 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at
/* template parameters: FN */
#define HistogramType FN(Histogram)
/* Creates entropy codes for all block types and stores them to the bit
stream. */
static void FN(BuildAndStoreEntropyCodes)(MemoryManager* m, BlockEncoder* self,
const HistogramType* histograms, const size_t histograms_size,
HuffmanTree* tree, size_t* storage_ix, uint8_t* storage) {
const size_t alphabet_size = self->alphabet_size_;
const size_t table_size = histograms_size * alphabet_size;
self->depths_ = BROTLI_ALLOC(m, uint8_t, table_size);
self->bits_ = BROTLI_ALLOC(m, uint16_t, table_size);
if (BROTLI_IS_OOM(m)) return;
size_t i;
for (i = 0; i < histograms_size; ++i) {
size_t ix = i * alphabet_size;
BuildAndStoreHuffmanTree(&histograms[i].data_[0], alphabet_size, tree,
&self->depths_[ix], &self->bits_[ix], storage_ix, storage);
#undef HistogramType