1/* NOLINT(build/header_guard) */
2/* Copyright 2014 Google Inc. All Rights Reserved.
3
4   Distributed under MIT license.
5   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
6*/
7
8/* template parameters: FN */
9
10#define HistogramType FN(Histogram)
11
12/* Creates entropy codes for all block types and stores them to the bit
13   stream. */
14static void FN(BuildAndStoreEntropyCodes)(MemoryManager* m, BlockEncoder* self,
15    const HistogramType* histograms, const size_t histograms_size,
16    const size_t alphabet_size, HuffmanTree* tree,
17    size_t* storage_ix, uint8_t* storage) {
18  const size_t table_size = histograms_size * self->histogram_length_;
19  self->depths_ = BROTLI_ALLOC(m, uint8_t, table_size);
20  self->bits_ = BROTLI_ALLOC(m, uint16_t, table_size);
21  if (BROTLI_IS_OOM(m)) return;
22
23  {
24    size_t i;
25    for (i = 0; i < histograms_size; ++i) {
26      size_t ix = i * self->histogram_length_;
27      BuildAndStoreHuffmanTree(&histograms[i].data_[0], self->histogram_length_,
28          alphabet_size, tree, &self->depths_[ix], &self->bits_[ix],
29          storage_ix, storage);
30    }
31  }
32}
33
34#undef HistogramType
35