/* * Copyright (c) 2017, 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. */ #ifndef AOM_AV1_ENCODER_RANDOM_H_ #define AOM_AV1_ENCODER_RANDOM_H_ #ifdef __cplusplus extern "C" { #endif // Generate a random number in the range [0, 32768). static INLINE unsigned int lcg_rand16(unsigned int *state) { *state = (unsigned int)(*state * 1103515245ULL + 12345); return *state / 65536 % 32768; } #ifdef __cplusplus } // extern "C" #endif #endif // AOM_AV1_ENCODER_RANDOM_H_