| /* 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_ |