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/*
* Copyright (c) 2024 Geoff Hill <geoff@geoffhill.org>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFmpeg 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdint.h>
#include "libavutil/arm/cpu.h"
#include "libavutil/attributes.h"
#include "libavcodec/ac3dsp.h"
#include "config.h"
void ff_ac3_exponent_min_neon(uint8_t *exp, int num_reuse_blocks, int nb_coefs);
void ff_ac3_extract_exponents_neon(uint8_t *exp, int32_t *coef, int nb_coefs);
void ff_float_to_fixed24_neon(int32_t *dst, const float *src, size_t len);
void ff_ac3_sum_square_butterfly_int32_neon(int64_t sum[4],
const int32_t *coef0,
const int32_t *coef1,
int len);
void ff_ac3_sum_square_butterfly_float_neon(float sum[4],
const float *coef0,
const float *coef1,
int len);
av_cold void ff_ac3dsp_init_aarch64(AC3DSPContext *c)
{
int cpu_flags = av_get_cpu_flags();
if (!have_neon(cpu_flags)) return;
c->ac3_exponent_min = ff_ac3_exponent_min_neon;
c->extract_exponents = ff_ac3_extract_exponents_neon;
c->float_to_fixed24 = ff_float_to_fixed24_neon;
c->sum_square_butterfly_int32 = ff_ac3_sum_square_butterfly_int32_neon;
c->sum_square_butterfly_float = ff_ac3_sum_square_butterfly_float_neon;
}
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