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. */ 14 static void FN(BuildAndStoreEntropyCodes)(MemoryManager* m, BlockEncoder* self, 15 const HistogramType* histograms, const size_t histograms_size, 16 HuffmanTree* tree, size_t* storage_ix, uint8_t* storage) { 17 const size_t alphabet_size = self->alphabet_size_; 18 const size_t table_size = histograms_size * alphabet_size; 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 * alphabet_size; 27 BuildAndStoreHuffmanTree(&histograms[i].data_[0], alphabet_size, tree, 28 &self->depths_[ix], &self->bits_[ix], storage_ix, storage); 29 } 30 } 31 } 32 33 #undef HistogramType 34
