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31 lines
892 B
C
31 lines
892 B
C
/* Copyright 2013 Google Inc. All Rights Reserved.
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Distributed under MIT license.
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See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
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*/
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/* Literal cost model to allow backward reference replacement to be efficient.
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*/
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#ifndef BROTLI_ENC_LITERAL_COST_H_
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#define BROTLI_ENC_LITERAL_COST_H_
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#include "../common/platform.h"
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#include <brotli/types.h>
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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/* Estimates how many bits the literals in the interval [pos, pos + len) in the
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ring-buffer (data, mask) will take entropy coded and writes these estimates
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to the cost[0..len) array. */
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BROTLI_INTERNAL void BrotliEstimateBitCostsForLiterals(
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size_t pos, size_t len, size_t mask, const uint8_t* data, float* cost);
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#if defined(__cplusplus) || defined(c_plusplus)
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} /* extern "C" */
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#endif
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#endif /* BROTLI_ENC_LITERAL_COST_H_ */
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