From dba9852935f31d81d16bf26ee21d164d5d5f5764 Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Sun, 27 Mar 2011 10:26:58 +0100 Subject: ARM: NEON fixed-point FFT Signed-off-by: Mans Rullgard --- libavcodec/arm/fft_fixed_init_arm.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 libavcodec/arm/fft_fixed_init_arm.c (limited to 'libavcodec/arm/fft_fixed_init_arm.c') diff --git a/libavcodec/arm/fft_fixed_init_arm.c b/libavcodec/arm/fft_fixed_init_arm.c new file mode 100644 index 0000000000..916bf291ea --- /dev/null +++ b/libavcodec/arm/fft_fixed_init_arm.c @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2009 Mans Rullgard + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define CONFIG_FFT_FLOAT 0 +#include "libavcodec/fft.h" + +void ff_fft_fixed_calc_neon(FFTContext *s, FFTComplex *z); + +av_cold void ff_fft_fixed_init_arm(FFTContext *s) +{ + if (HAVE_NEON) { + s->fft_permutation = FF_FFT_PERM_SWAP_LSBS; + s->fft_calc = ff_fft_fixed_calc_neon; + } +} -- cgit v1.2.1