gecko-dev/modules/brotli/enc/literal_cost.h

25 строки
750 B
C++

/* Copyright 2013 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
// Literal cost model to allow backward reference replacement to be efficient.
#ifndef BROTLI_ENC_LITERAL_COST_H_
#define BROTLI_ENC_LITERAL_COST_H_
#include "./types.h"
namespace brotli {
// Estimates how many bits the literals in the interval [pos, pos + len) in the
// ringbuffer (data, mask) will take entropy coded and writes these estimates
// to the cost[0..len) array.
void EstimateBitCostsForLiterals(size_t pos, size_t len, size_t mask,
const uint8_t *data, float *cost);
} // namespace brotli
#endif // BROTLI_ENC_LITERAL_COST_H_