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60 lines
2.6 KiB
C
60 lines
2.6 KiB
C
/* Copyright (c) 2015 Xiph.Org Foundation
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Written by Viswanath Puttagunta */
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/**
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@file arm_mdct.h
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@brief ARM Neon Intrinsic optimizations for mdct using NE10 library
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*/
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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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- 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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- 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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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 COPYRIGHT OWNER
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OR 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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#if !defined(MDCT_ARM_H)
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#define MDCT_ARM_H
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#include "config.h"
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#include "mdct.h"
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#if defined(HAVE_ARM_NE10)
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/** Compute a forward MDCT and scale by 4/N, trashes the input array */
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void clt_mdct_forward_neon(const mdct_lookup *l, kiss_fft_scalar *in,
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kiss_fft_scalar * OPUS_RESTRICT out,
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const opus_val16 *window, int overlap,
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int shift, int stride, int arch);
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void clt_mdct_backward_neon(const mdct_lookup *l, kiss_fft_scalar *in,
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kiss_fft_scalar * OPUS_RESTRICT out,
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const opus_val16 *window, int overlap,
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int shift, int stride, int arch);
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#if !defined(OPUS_HAVE_RTCD)
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#define OVERRIDE_OPUS_MDCT (1)
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#define clt_mdct_forward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \
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clt_mdct_forward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch)
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#define clt_mdct_backward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \
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clt_mdct_backward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch)
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#endif /* OPUS_HAVE_RTCD */
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#endif /* HAVE_ARM_NE10 */
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#endif
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