11b7501adc
- Copy Brotli algorithm 3rd party source code for tool Cc: Liming Gao <liming.gao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Bell Song <binx.song@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/* NOLINT(build/header_guard) */
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/* Copyright 2014 Google Inc. All Rights Reserved.
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Distributed under MIT license.
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See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
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*/
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/* template parameters: FN */
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#define HistogramType FN(Histogram)
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/* Creates entropy codes for all block types and stores them to the bit
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stream. */
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static void FN(BuildAndStoreEntropyCodes)(MemoryManager* m, BlockEncoder* self,
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const HistogramType* histograms, const size_t histograms_size,
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HuffmanTree* tree, size_t* storage_ix, uint8_t* storage) {
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const size_t alphabet_size = self->alphabet_size_;
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const size_t table_size = histograms_size * alphabet_size;
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self->depths_ = BROTLI_ALLOC(m, uint8_t, table_size);
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self->bits_ = BROTLI_ALLOC(m, uint16_t, table_size);
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if (BROTLI_IS_OOM(m)) return;
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{
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size_t i;
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for (i = 0; i < histograms_size; ++i) {
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size_t ix = i * alphabet_size;
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BuildAndStoreHuffmanTree(&histograms[i].data_[0], alphabet_size, tree,
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&self->depths_[ix], &self->bits_[ix], storage_ix, storage);
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}
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}
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}
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#undef HistogramType
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