From 150c9823e71a161e97003849cf8b2f55b21520bd Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Mon, 26 Aug 2013 15:10:18 +0100 Subject: adding ffmpeg specific version --- ffmpeg1/libavcodec/x86/rv34dsp_init.c | 45 +++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 ffmpeg1/libavcodec/x86/rv34dsp_init.c (limited to 'ffmpeg1/libavcodec/x86/rv34dsp_init.c') diff --git a/ffmpeg1/libavcodec/x86/rv34dsp_init.c b/ffmpeg1/libavcodec/x86/rv34dsp_init.c new file mode 100644 index 0000000..a2dea74 --- /dev/null +++ b/ffmpeg1/libavcodec/x86/rv34dsp_init.c @@ -0,0 +1,45 @@ +/* + * RV30/40 MMX/SSE2 optimizations + * Copyright (C) 2012 Christophe Gisquet + * + * 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/cpu.h" +#include "libavutil/x86/asm.h" +#include "libavutil/x86/cpu.h" +#include "libavcodec/rv34dsp.h" + +void ff_rv34_idct_dc_mmxext(int16_t *block); +void ff_rv34_idct_dc_noround_mmxext(int16_t *block); +void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc); +void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc); +void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block); + +av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c) +{ + int mm_flags = av_get_cpu_flags(); + + if (EXTERNAL_MMX(mm_flags)) + c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx; + if (EXTERNAL_MMXEXT(mm_flags)) { + c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext; + c->rv34_idct_add = ff_rv34_idct_add_mmxext; + } + if (EXTERNAL_SSE4(mm_flags)) + c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4; +} -- cgit v1.2.3