• Main Page
  • Related Pages
  • Modules
  • Data Structures
  • Files
  • Examples
  • File List
  • Globals

libavcodec/sinewin.h

Go to the documentation of this file.
00001 /*
00002  * Copyright (c) 2008 Robert Swain
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #ifndef AVCODEC_SINEWIN_H
00022 #define AVCODEC_SINEWIN_H
00023 
00024 #include "config.h"
00025 #include "libavutil/mem.h"
00026 
00027 #if CONFIG_HARDCODED_TABLES
00028 #   define SINETABLE_CONST const
00029 #else
00030 #   define SINETABLE_CONST
00031 #endif
00032 
00033 #define SINETABLE(size) \
00034     SINETABLE_CONST DECLARE_ALIGNED(16, float, ff_sine_##size)[size]
00035 
00041 void ff_sine_window_init(float *window, int n);
00042 
00046 void ff_init_ff_sine_windows(int index);
00047 
00048 extern SINETABLE(  32);
00049 extern SINETABLE(  64);
00050 extern SINETABLE( 128);
00051 extern SINETABLE( 256);
00052 extern SINETABLE( 512);
00053 extern SINETABLE(1024);
00054 extern SINETABLE(2048);
00055 extern SINETABLE(4096);
00056 
00057 extern SINETABLE_CONST float * const ff_sine_windows[13];
00058 
00059 #endif /* AVCODEC_SINEWIN_H */

Generated on Fri Feb 22 2013 07:24:28 for FFmpeg by  doxygen 1.7.1