1 /* 2 * Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/> 3 * (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com> 4 * 5 * This file is part of lsp-plugins 6 * Created on: 24 марта 2016 г. 7 * 8 * lsp-plugins is free software: you can redistribute it and/or modify 9 * it under the terms of the GNU Lesser General Public License as published by 10 * the Free Software Foundation, either version 3 of the License, or 11 * any later version. 12 * 13 * lsp-plugins is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public License 19 * along with lsp-plugins. If not, see <https://www.gnu.org/licenses/>. 20 */ 21 22 #ifndef CORE_FADE_H_ 23 #define CORE_FADE_H_ 24 25 #include <core/types.h> 26 27 namespace lsp 28 { 29 /** Fade-in (with range check) 30 * 31 * @param dst destination buffer 32 * @param src source buffer 33 * @param fade_len length of fade (in elements) 34 * @param buf_len length of the buffer 35 */ 36 void fade_in(float *dst, const float *src, size_t fade_len, size_t buf_len); 37 38 /** Fade-out (with range check) 39 * 40 * @param dst destination buffer 41 * @param src source buffer 42 * @param fade_len length of fade (in elements) 43 * @param buf_len length of the buffer 44 */ 45 void fade_out(float *dst, const float *src, size_t fade_len, size_t buf_len); 46 } 47 48 #endif /* CORE_FADE_H_ */ 49