blob: 4611498d47bdec888440980bd0805e401776a5b5
| 1 | /* |
| 2 | * Copyright (c) 2015 Paul B Mahol |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | #ifndef AVFILTER_WINDOW_FUNC_H |
| 23 | #define AVFILTER_WINDOW_FUNC_H |
| 24 | |
| 25 | enum WindowFunc { WFUNC_RECT, WFUNC_HANNING, WFUNC_HAMMING, WFUNC_BLACKMAN, |
| 26 | WFUNC_BARTLETT, WFUNC_WELCH, WFUNC_FLATTOP, |
| 27 | WFUNC_BHARRIS, WFUNC_BNUTTALL, WFUNC_SINE, WFUNC_NUTTALL, |
| 28 | WFUNC_BHANN, WFUNC_LANCZOS, WFUNC_GAUSS, WFUNC_TUKEY, |
| 29 | WFUNC_DOLPH, WFUNC_CAUCHY, WFUNC_PARZEN, WFUNC_POISSON, |
| 30 | NB_WFUNC }; |
| 31 | |
| 32 | void ff_generate_window_func(float *lut, int N, int win_func, float *overlap); |
| 33 | |
| 34 | #endif /* AVFILTER_WINDOW_FUNC_H */ |
| 35 |