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- /******************************************************************************
- Copyright (C) 2023 by Lain Bailey <lain@obsproject.com>
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- ******************************************************************************/
- #pragma once
- #include "../util/c99defs.h"
- #include <math.h>
- #ifdef _MSC_VER
- #include <float.h>
- #pragma warning(push)
- #pragma warning(disable : 4056)
- #pragma warning(disable : 4756)
- #endif
- static inline float mul_to_db(const float mul)
- {
- return (mul == 0.0f) ? -INFINITY : (20.0f * log10f(mul));
- }
- static inline float db_to_mul(const float db)
- {
- return isfinite((double)db) ? powf(10.0f, db / 20.0f) : 0.0f;
- }
- #ifdef _MSC_VER
- #pragma warning(pop)
- #endif
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