| /* |
| * 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 "libavcodec/dcadsp.h" |
| |
| #define LFE_FIR_FLOAT_FUNC(opt) \ |
| void ff_lfe_fir0_float_##opt(float *pcm_samples, int32_t *lfe_samples, \ |
| const float *filter_coeff, ptrdiff_t npcmblocks); |
| |
| LFE_FIR_FLOAT_FUNC(sse) |
| LFE_FIR_FLOAT_FUNC(sse2) |
| LFE_FIR_FLOAT_FUNC(avx) |
| LFE_FIR_FLOAT_FUNC(fma3) |
| |
| av_cold void ff_dcadsp_init_x86(DCADSPContext *s) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| if (ARCH_X86_32 && EXTERNAL_SSE(cpu_flags)) |
| s->lfe_fir_float[0] = ff_lfe_fir0_float_sse; |
| if (EXTERNAL_SSE2(cpu_flags)) |
| s->lfe_fir_float[0] = ff_lfe_fir0_float_sse2; |
| if (EXTERNAL_AVX(cpu_flags)) |
| s->lfe_fir_float[0] = ff_lfe_fir0_float_avx; |
| if (EXTERNAL_FMA3(cpu_flags)) |
| s->lfe_fir_float[0] = ff_lfe_fir0_float_fma3; |
| } |