chromium/third_party/libgav1/src/src/dsp/film_grain_common.h

/*
 * Copyright 2020 The libgav1 Authors
 *
 * 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.
 */

#ifndef LIBGAV1_SRC_DSP_FILM_GRAIN_COMMON_H_
#define LIBGAV1_SRC_DSP_FILM_GRAIN_COMMON_H_

#include <cstdint>

namespace libgav1 {

template <int bitdepth>
int GetGrainMax() { … }

template <int bitdepth>
int GetGrainMin() { … }

inline int GetFilmGrainRandomNumber(int bits, uint16_t* seed) { … }

enum { … };  // anonymous enum

}  // namespace libgav1

#endif  // LIBGAV1_SRC_DSP_FILM_GRAIN_COMMON_H_