4538729a | /* * Copyright (c) 2008 Robert Swain * |
d4a50a21 | * This file is part of FFmpeg. |
4538729a | * |
d4a50a21 | * FFmpeg is free software; you can redistribute it and/or |
4538729a | * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * |
d4a50a21 | * FFmpeg is distributed in the hope that it will be useful, |
4538729a | * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public |
d4a50a21 | * License along with FFmpeg; if not, write to the Free Software |
4538729a | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_SINEWIN_H #define AVCODEC_SINEWIN_H #include "config.h" #include "libavutil/mem.h" #if CONFIG_HARDCODED_TABLES # define SINETABLE_CONST const #else # define SINETABLE_CONST #endif #define SINETABLE(size) \ SINETABLE_CONST DECLARE_ALIGNED(16, float, ff_sine_##size)[size] /** * Generate a sine window. * @param window pointer to half window * @param n size of half window */ void ff_sine_window_init(float *window, int n); /** * initialize the specified entry of ff_sine_windows */ void ff_init_ff_sine_windows(int index); extern SINETABLE( 32); extern SINETABLE( 64); extern SINETABLE( 128); extern SINETABLE( 256); extern SINETABLE( 512); extern SINETABLE(1024); extern SINETABLE(2048); extern SINETABLE(4096); extern SINETABLE_CONST float * const ff_sine_windows[13]; |
153382e1 | #endif /* AVCODEC_SINEWIN_H */ |