| /* |
| * 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); |
| } |