/* * RV30/40 MMX/SSE2 optimizations * Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> * * 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/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 cpu_flags = av_get_cpu_flags(); if (EXTERNAL_MMX(cpu_flags)) c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx; if (EXTERNAL_MMXEXT(cpu_flags)) { c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext; c->rv34_idct_add = ff_rv34_idct_add_mmxext; } if (EXTERNAL_SSE4(cpu_flags)) c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4; }