From d5a7229ba4aabc2b6407c731d9175879ae54c5ea Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Mon, 21 May 2012 12:58:41 -0400 Subject: Add a float DSP framework to libavutil Move vector_fmul() from DSPContext to AVFloatDSPContext. --- libavutil/x86/float_dsp_init.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 libavutil/x86/float_dsp_init.c (limited to 'libavutil/x86/float_dsp_init.c') diff --git a/libavutil/x86/float_dsp_init.c b/libavutil/x86/float_dsp_init.c new file mode 100644 index 0000000000..10bb226f23 --- /dev/null +++ b/libavutil/x86/float_dsp_init.c @@ -0,0 +1,41 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" + +#include "libavutil/cpu.h" +#include "libavutil/float_dsp.h" + +extern void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1, + int len); +extern void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1, + int len); + +void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp) +{ +#if HAVE_YASM + int mm_flags = av_get_cpu_flags(); + + if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) { + fdsp->vector_fmul = ff_vector_fmul_sse; + } + if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) { + fdsp->vector_fmul = ff_vector_fmul_avx; + } +#endif +} -- cgit v1.2.3