| // Copyright 2013 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // Literal cost model to allow backward reference replacement to be efficient. |
| |
| #ifndef BROTLI_ENC_LITERAL_COST_H_ |
| #define BROTLI_ENC_LITERAL_COST_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| namespace brotli { |
| |
| // Input: length of data, and the bytes. |
| // Output: estimate of how many bits the literal will take entropy coded. |
| void EstimateBitCostsForLiterals(size_t len, const uint8_t *data, float *cost); |
| |
| } // namespace brotli |
| |
| #endif // BROTLI_ENC_LITERAL_COST_H_ |
