1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #include "libavutil/attributes.h" 20 #include "libavutil/cpu.h" 21 #include "libavutil/x86/cpu.h" 22 #include "libavcodec/dcadsp.h" 23 24 #define LFE_FIR_FLOAT_FUNC(opt) \ 25 void ff_lfe_fir0_float_##opt(float *pcm_samples, int32_t *lfe_samples, \ 26 const float *filter_coeff, ptrdiff_t npcmblocks); \ 27 void ff_lfe_fir1_float_##opt(float *pcm_samples, int32_t *lfe_samples, \ 28 const float *filter_coeff, ptrdiff_t npcmblocks); 29 30 LFE_FIR_FLOAT_FUNC(sse2) LFE_FIR_FLOAT_FUNC(sse3)31 LFE_FIR_FLOAT_FUNC(sse3) 32 LFE_FIR_FLOAT_FUNC(avx) 33 LFE_FIR_FLOAT_FUNC(fma3) 34 35 av_cold void ff_dcadsp_init_x86(DCADSPContext *s) 36 { 37 int cpu_flags = av_get_cpu_flags(); 38 39 if (EXTERNAL_SSE2(cpu_flags)) 40 s->lfe_fir_float[0] = ff_lfe_fir0_float_sse2; 41 if (EXTERNAL_SSE3(cpu_flags)) 42 s->lfe_fir_float[1] = ff_lfe_fir1_float_sse3; 43 if (EXTERNAL_AVX(cpu_flags)) { 44 s->lfe_fir_float[0] = ff_lfe_fir0_float_avx; 45 s->lfe_fir_float[1] = ff_lfe_fir1_float_avx; 46 } 47 if (EXTERNAL_FMA3(cpu_flags)) 48 s->lfe_fir_float[0] = ff_lfe_fir0_float_fma3; 49 } 50