diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/libs/brotli/enc/block_encoder_inc.h |
Initial commit
Diffstat (limited to 'dviware/dvisvgm/libs/brotli/enc/block_encoder_inc.h')
-rw-r--r-- | dviware/dvisvgm/libs/brotli/enc/block_encoder_inc.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/dviware/dvisvgm/libs/brotli/enc/block_encoder_inc.h b/dviware/dvisvgm/libs/brotli/enc/block_encoder_inc.h new file mode 100644 index 0000000000..8cbd5eac67 --- /dev/null +++ b/dviware/dvisvgm/libs/brotli/enc/block_encoder_inc.h @@ -0,0 +1,34 @@ +/* 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 |