75 lines
3.5 KiB
C
Executable File
75 lines
3.5 KiB
C
Executable File
/* libFLAC - Free Lossless Audio Codec library
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* Copyright (C) 2006-2009 Josh Coalson
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* Copyright (C) 2011-2016 Xiph.Org Foundation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef FLAC__PRIVATE__WINDOW_H
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#define FLAC__PRIVATE__WINDOW_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "private/float.h"
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#include "FLAC/format.h"
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#ifndef FLAC__INTEGER_ONLY_LIBRARY
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/*
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* FLAC__window_*()
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* --------------------------------------------------------------------
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* Calculates window coefficients according to different apodization
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* functions.
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*
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* OUT window[0,L-1]
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* IN L (number of points in window)
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*/
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void FLAC__window_bartlett(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_bartlett_hann(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_blackman(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_blackman_harris_4term_92db_sidelobe(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_connes(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_flattop(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_gauss(FLAC__real *window, const FLAC__int32 L, const FLAC__real stddev); /* 0.0 < stddev <= 0.5 */
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void FLAC__window_hamming(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_hann(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_kaiser_bessel(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_nuttall(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_rectangle(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_triangle(FLAC__real *window, const FLAC__int32 L);
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void FLAC__window_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p);
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void FLAC__window_partial_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end);
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void FLAC__window_punchout_tukey(FLAC__real *window, const FLAC__int32 L, const FLAC__real p, const FLAC__real start, const FLAC__real end);
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void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L);
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#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
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#endif
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