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46ae64cd60
This reverts commit e00426c512.
The way we handle platform-specific intrinsics is not good, so the
current state will not compile on armv8. This commit also requires
SSE4.1 support, which is likely not a good idea for portable binaries.
We'll have to redo this with more caution after 3.2 is released, or
we might simply drop opus as we're only using it as dependency for
theora right now.
Fixes #33606.
73 lines
2.4 KiB
C++
73 lines
2.4 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 fft_arm.h
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@brief ARM Neon Intrinsic optimizations for fft 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(FFT_ARM_H)
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#define FFT_ARM_H
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#include "config.h"
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#include "kiss_fft.h"
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#if defined(HAVE_ARM_NE10)
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int opus_fft_alloc_arm_neon(kiss_fft_state *st);
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void opus_fft_free_arm_neon(kiss_fft_state *st);
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void opus_fft_neon(const kiss_fft_state *st,
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const kiss_fft_cpx *fin,
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kiss_fft_cpx *fout);
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void opus_ifft_neon(const kiss_fft_state *st,
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const kiss_fft_cpx *fin,
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kiss_fft_cpx *fout);
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#if !defined(OPUS_HAVE_RTCD)
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#define OVERRIDE_OPUS_FFT (1)
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#define opus_fft_alloc_arch(_st, arch) \
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((void)(arch), opus_fft_alloc_arm_neon(_st))
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#define opus_fft_free_arch(_st, arch) \
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((void)(arch), opus_fft_free_arm_neon(_st))
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#define opus_fft(_st, _fin, _fout, arch) \
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((void)(arch), opus_fft_neon(_st, _fin, _fout))
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#define opus_ifft(_st, _fin, _fout, arch) \
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((void)(arch), opus_ifft_neon(_st, _fin, _fout))
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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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