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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. */
FN(BuildAndStoreEntropyCodes)14 static 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