From 9a9e2f1c8aa4539a261625145e5c1f46a8106ac2 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Thu, 16 Jan 2014 17:30:19 +0100 Subject: dsputil: Split audio operations off into a separate context --- libavcodec/x86/audiodsp_init.c | 66 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 libavcodec/x86/audiodsp_init.c (limited to 'libavcodec/x86/audiodsp_init.c') diff --git a/libavcodec/x86/audiodsp_init.c b/libavcodec/x86/audiodsp_init.c new file mode 100644 index 0000000000..743f5a3699 --- /dev/null +++ b/libavcodec/x86/audiodsp_init.c @@ -0,0 +1,66 @@ +/* + * 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 + +#include "config.h" +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/x86/asm.h" +#include "libavutil/x86/cpu.h" +#include "libavcodec/audiodsp.h" +#include "audiodsp.h" + +int32_t ff_scalarproduct_int16_mmxext(const int16_t *v1, const int16_t *v2, + int order); +int32_t ff_scalarproduct_int16_sse2(const int16_t *v1, const int16_t *v2, + int order); + +void ff_vector_clip_int32_mmx(int32_t *dst, const int32_t *src, + int32_t min, int32_t max, unsigned int len); +void ff_vector_clip_int32_sse2(int32_t *dst, const int32_t *src, + int32_t min, int32_t max, unsigned int len); +void ff_vector_clip_int32_int_sse2(int32_t *dst, const int32_t *src, + int32_t min, int32_t max, unsigned int len); +void ff_vector_clip_int32_sse4(int32_t *dst, const int32_t *src, + int32_t min, int32_t max, unsigned int len); + +av_cold void ff_audiodsp_init_x86(AudioDSPContext *c) +{ + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_MMX(cpu_flags)) + c->vector_clip_int32 = ff_vector_clip_int32_mmx; + + if (EXTERNAL_MMXEXT(cpu_flags)) + c->scalarproduct_int16 = ff_scalarproduct_int16_mmxext; + + if (INLINE_SSE(cpu_flags)) + c->vector_clipf = ff_vector_clipf_sse; + + if (EXTERNAL_SSE2(cpu_flags)) { + c->scalarproduct_int16 = ff_scalarproduct_int16_sse2; + if (cpu_flags & AV_CPU_FLAG_ATOM) + c->vector_clip_int32 = ff_vector_clip_int32_int_sse2; + else + c->vector_clip_int32 = ff_vector_clip_int32_sse2; + } + + if (EXTERNAL_SSE4(cpu_flags)) + c->vector_clip_int32 = ff_vector_clip_int32_sse4; +} -- cgit v1.2.3