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- /* NOLINT(build/header_guard) */
- /* Copyright 2014 Google Inc. All Rights Reserved.
- Distributed under MIT license.
- See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
- */
- /* 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,
- const size_t alphabet_size, HuffmanTree* tree,
- size_t* storage_ix, uint8_t* storage) {
- const size_t table_size = histograms_size * self->histogram_length_;
- 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 * self->histogram_length_;
- BuildAndStoreHuffmanTree(&histograms[i].data_[0], self->histogram_length_,
- alphabet_size, tree, &self->depths_[ix], &self->bits_[ix],
- storage_ix, storage);
- }
- }
- }
- #undef HistogramType
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