11cb0ef41Sopenharmony_ci/* Copyright 2013 Google Inc. All Rights Reserved.
21cb0ef41Sopenharmony_ci
31cb0ef41Sopenharmony_ci   Distributed under MIT license.
41cb0ef41Sopenharmony_ci   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
51cb0ef41Sopenharmony_ci*/
61cb0ef41Sopenharmony_ci
71cb0ef41Sopenharmony_ci/* Function to find backward reference copies. */
81cb0ef41Sopenharmony_ci
91cb0ef41Sopenharmony_ci#ifndef BROTLI_ENC_BACKWARD_REFERENCES_H_
101cb0ef41Sopenharmony_ci#define BROTLI_ENC_BACKWARD_REFERENCES_H_
111cb0ef41Sopenharmony_ci
121cb0ef41Sopenharmony_ci#include "../common/constants.h"
131cb0ef41Sopenharmony_ci#include "../common/context.h"
141cb0ef41Sopenharmony_ci#include "../common/dictionary.h"
151cb0ef41Sopenharmony_ci#include "../common/platform.h"
161cb0ef41Sopenharmony_ci#include <brotli/types.h>
171cb0ef41Sopenharmony_ci#include "./command.h"
181cb0ef41Sopenharmony_ci#include "./hash.h"
191cb0ef41Sopenharmony_ci#include "./quality.h"
201cb0ef41Sopenharmony_ci
211cb0ef41Sopenharmony_ci#if defined(__cplusplus) || defined(c_plusplus)
221cb0ef41Sopenharmony_ciextern "C" {
231cb0ef41Sopenharmony_ci#endif
241cb0ef41Sopenharmony_ci
251cb0ef41Sopenharmony_ci/* "commands" points to the next output command to write to, "*num_commands" is
261cb0ef41Sopenharmony_ci   initially the total amount of commands output by previous
271cb0ef41Sopenharmony_ci   CreateBackwardReferences calls, and must be incremented by the amount written
281cb0ef41Sopenharmony_ci   by this call. */
291cb0ef41Sopenharmony_ciBROTLI_INTERNAL void BrotliCreateBackwardReferences(size_t num_bytes,
301cb0ef41Sopenharmony_ci    size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask,
311cb0ef41Sopenharmony_ci    ContextLut literal_context_lut, const BrotliEncoderParams* params,
321cb0ef41Sopenharmony_ci    Hasher* hasher, int* dist_cache, size_t* last_insert_len,
331cb0ef41Sopenharmony_ci    Command* commands, size_t* num_commands, size_t* num_literals);
341cb0ef41Sopenharmony_ci
351cb0ef41Sopenharmony_ci#if defined(__cplusplus) || defined(c_plusplus)
361cb0ef41Sopenharmony_ci}  /* extern "C" */
371cb0ef41Sopenharmony_ci#endif
381cb0ef41Sopenharmony_ci
391cb0ef41Sopenharmony_ci#endif  /* BROTLI_ENC_BACKWARD_REFERENCES_H_ */
40