chromium/third_party/libaom/source/libaom/aom_dsp/grain_params.h

/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */

/*!\file
 * \brief Describes film grain parameters
 *
 */
#ifndef AOM_AOM_DSP_GRAIN_PARAMS_H_
#define AOM_AOM_DSP_GRAIN_PARAMS_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>
#include <string.h>

#include "config/aom_config.h"

/*!\brief Structure containing film grain synthesis parameters for a frame
 *
 * This structure contains input parameters for film grain synthesis
 */
aom_film_grain_t;

/*!\brief Check if two film grain parameters structs are equivalent
 *
 * Check if two film grain parameters are equal, except for the
 * update_parameters and random_seed elements which are ignored.
 *
 * \param[in]    pa               The first set of parameters to compare
 * \param[in]    pb               The second set of parameters to compare
 * \return       Returns 1 if the params are equivalent, 0 otherwise
 */
static inline int aom_check_grain_params_equiv(
    const aom_film_grain_t *const pa, const aom_film_grain_t *const pb) { … }

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // AOM_AOM_DSP_GRAIN_PARAMS_H_