1/* 2 * RV30/40 MMX/SSE2 optimizations 3 * Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#include "libavutil/attributes.h" 23#include "libavutil/cpu.h" 24#include "libavutil/x86/asm.h" 25#include "libavutil/x86/cpu.h" 26#include "libavcodec/rv34dsp.h" 27 28void ff_rv34_idct_dc_mmxext(int16_t *block); 29void ff_rv34_idct_dc_noround_mmxext(int16_t *block); 30void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc); 31void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc); 32void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block); 33 34av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c) 35{ 36 int cpu_flags = av_get_cpu_flags(); 37 38 if (EXTERNAL_MMX(cpu_flags)) 39 c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx; 40 if (EXTERNAL_MMXEXT(cpu_flags)) { 41 c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext; 42 c->rv34_idct_add = ff_rv34_idct_add_mmxext; 43 } 44 if (EXTERNAL_SSE4(cpu_flags)) 45 c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4; 46} 47