#ifndef _SINEWIN_H_c665ef39_
#define _SINEWIN_H_c665ef39_

/*
 * This file was stolen from ffmpeg and modified for usability here.
 *  The original is
 * 
 * Copyright (c) 2008 Robert Swain
 *
 * This version is a derivative work of that version.  It is not free
 *  software; it is licensed under the GNU Lesser General Public
 *  License version 2.1, which places nontrivial restrictions on what
 *  may be done with it.  (I'm not terribly happy about that, but for
 *  my purposes accepting LGPL-infected code is a lower price than
 *  reimplementing it all myself.)
 *
 * The LGPL v2.1 as distributed with ffmpeg is in the accompanying file
 *  `LGPL-v2.1'.
 */

#include "config.h"
#include "avutil-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(8192);

extern SINETABLE_CONST float * const ff_sine_windows[14];

#endif