30 lines
929 B
C
30 lines
929 B
C
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/*
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* Copyright (c) 2017, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AV1_ENCODER_RANDOM_H_
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#define AOM_AV1_ENCODER_RANDOM_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Generate a random number in the range [0, 32768).
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static INLINE unsigned int lcg_rand16(unsigned int *state) {
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*state = (unsigned int)(*state * 1103515245ULL + 12345);
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return *state / 65536 % 32768;
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_AV1_ENCODER_RANDOM_H_
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