diff options
Diffstat (limited to 'ffmpeg1/libavcodec/sinewin_tablegen.h')
| -rw-r--r-- | ffmpeg1/libavcodec/sinewin_tablegen.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/ffmpeg1/libavcodec/sinewin_tablegen.h b/ffmpeg1/libavcodec/sinewin_tablegen.h deleted file mode 100644 index 2b9c4f2..0000000 --- a/ffmpeg1/libavcodec/sinewin_tablegen.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Header file for hardcoded sine windows - * - * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * 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. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_SINEWIN_TABLEGEN_H -#define AVCODEC_SINEWIN_TABLEGEN_H - -#include <assert.h> -// do not use libavutil/libm.h since this is compiled both -// for the host and the target and config.h is only valid for the target -#include <math.h> -#include "libavutil/attributes.h" -#include "libavutil/common.h" - -#if !CONFIG_HARDCODED_TABLES -SINETABLE( 32); -SINETABLE( 64); -SINETABLE( 128); -SINETABLE( 256); -SINETABLE( 512); -SINETABLE(1024); -SINETABLE(2048); -SINETABLE(4096); -SINETABLE(8192); -#else -#include "libavcodec/sinewin_tables.h" -#endif - -SINETABLE_CONST float * const ff_sine_windows[] = { - NULL, NULL, NULL, NULL, NULL, // unused - ff_sine_32 , ff_sine_64 , - ff_sine_128, ff_sine_256, ff_sine_512, ff_sine_1024, ff_sine_2048, ff_sine_4096, ff_sine_8192 -}; - -// Generate a sine window. -av_cold void ff_sine_window_init(float *window, int n) { - int i; - for(i = 0; i < n; i++) - window[i] = sinf((i + 0.5) * (M_PI / (2.0 * n))); -} - -av_cold void ff_init_ff_sine_windows(int index) { - assert(index >= 0 && index < FF_ARRAY_ELEMS(ff_sine_windows)); -#if !CONFIG_HARDCODED_TABLES - ff_sine_window_init(ff_sine_windows[index], 1 << index); -#endif -} - -#endif /* AVCODEC_SINEWIN_TABLEGEN_H */ |
