From 054013a0fc6f2b52c60cee3e051be8cc7f82cef3 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Sun, 29 Dec 2013 02:32:16 +0100 Subject: dsputil: Move APE-specific bits into apedsp --- libavcodec/x86/apedsp_init.c | 47 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 libavcodec/x86/apedsp_init.c (limited to 'libavcodec/x86/apedsp_init.c') diff --git a/libavcodec/x86/apedsp_init.c b/libavcodec/x86/apedsp_init.c new file mode 100644 index 0000000000..f692c2b9b6 --- /dev/null +++ b/libavcodec/x86/apedsp_init.c @@ -0,0 +1,47 @@ +/* + * 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 "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/x86/cpu.h" +#include "libavcodec/apedsp.h" + +int32_t ff_scalarproduct_and_madd_int16_mmxext(int16_t *v1, const int16_t *v2, + const int16_t *v3, + int order, int mul); +int32_t ff_scalarproduct_and_madd_int16_sse2(int16_t *v1, const int16_t *v2, + const int16_t *v3, + int order, int mul); +int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2, + const int16_t *v3, + int order, int mul); + +av_cold void ff_apedsp_init_x86(APEDSPContext *c) +{ + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_MMXEXT(cpu_flags)) + c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext; + + if (EXTERNAL_SSE2(cpu_flags)) + c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_sse2; + + if (EXTERNAL_SSSE3(cpu_flags) && + !(cpu_flags & (AV_CPU_FLAG_SSE42 | AV_CPU_FLAG_3DNOW))) // cachesplit + c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_ssse3; +} -- cgit v1.2.3