mirror of https://github.com/acidanthera/audk.git
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
|
/* 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,
|
||
|
HuffmanTree* tree, size_t* storage_ix, uint8_t* storage) {
|
||
|
const size_t alphabet_size = self->alphabet_size_;
|
||
|
const size_t table_size = histograms_size * alphabet_size;
|
||
|
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 * alphabet_size;
|
||
|
BuildAndStoreHuffmanTree(&histograms[i].data_[0], alphabet_size, tree,
|
||
|
&self->depths_[ix], &self->bits_[ix], storage_ix, storage);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#undef HistogramType
|