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/*
* Copyright (c) 2016 Muhammad Faiz <mfcc64@gmail.com>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/cpu.h"
#include "libavfilter/avf_showcqt.h"
#define DECLARE_CQT_CALC(type) \
void ff_showcqt_cqt_calc_##type(FFTComplex *dst, const FFTComplex *src, \
const Coeffs *coeffs, int len, int fft_len)
DECLARE_CQT_CALC(sse);
DECLARE_CQT_CALC(sse3);
DECLARE_CQT_CALC(avx);
DECLARE_CQT_CALC(fma3);
DECLARE_CQT_CALC(fma4);
#define permute_coeffs_0 NULL
static void permute_coeffs_01452367(float *v, int len)
{
int k;
for (k = 0; k < len; k += 8) {
FFSWAP(float, v[k+2], v[k+4]);
FFSWAP(float, v[k+3], v[k+5]);
}
}
av_cold void ff_showcqt_init_x86(ShowCQTContext *s)
{
int cpuflags = av_get_cpu_flags();
#define SELECT_CQT_CALC(type, TYPE, align, perm) \
if (EXTERNAL_##TYPE(cpuflags)) { \
s->cqt_calc = ff_showcqt_cqt_calc_##type; \
s->cqt_align = align; \
s->permute_coeffs = permute_coeffs_##perm; \
}
SELECT_CQT_CALC(sse, SSE, 4, 0);
SELECT_CQT_CALC(sse3, SSE3_FAST, 4, 0);
SELECT_CQT_CALC(fma4, FMA4, 4, 0); // using xmm
SELECT_CQT_CALC(avx, AVX_FAST, 8, 01452367);
SELECT_CQT_CALC(fma3, FMA3_FAST, 8, 01452367);
}
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