/* * VC3/DNxHD SIMD functions * Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com> * * VC-3 encoder funded by the British Broadcasting Corporation * * 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/x86_cpu.h" #include "libavcodec/dnxhdenc.h" static void get_pixels_8x4_sym_sse2(DCTELEM *block, const uint8_t *pixels, int line_size) { __asm__ volatile( "pxor %%xmm5, %%xmm5 \n\t" "movq (%0), %%xmm0 \n\t" "add %2, %0 \n\t" "movq (%0), %%xmm1 \n\t" "movq (%0, %2), %%xmm2 \n\t" "movq (%0, %2,2), %%xmm3 \n\t" "punpcklbw %%xmm5, %%xmm0 \n\t" "punpcklbw %%xmm5, %%xmm1 \n\t" "punpcklbw %%xmm5, %%xmm2 \n\t" "punpcklbw %%xmm5, %%xmm3 \n\t" "movdqa %%xmm0, (%1) \n\t" "movdqa %%xmm1, 16(%1) \n\t" "movdqa %%xmm2, 32(%1) \n\t" "movdqa %%xmm3, 48(%1) \n\t" "movdqa %%xmm3 , 64(%1) \n\t" "movdqa %%xmm2 , 80(%1) \n\t" "movdqa %%xmm1 , 96(%1) \n\t" "movdqa %%xmm0, 112(%1) \n\t" : "+r" (pixels) : "r" (block), "r" ((x86_reg)line_size) ); } void ff_dnxhd_init_mmx(DNXHDEncContext *ctx) { if (av_get_cpu_flags() & AV_CPU_FLAG_SSE2) { if (ctx->cid_table->bit_depth == 8) ctx->get_pixels_8x4_sym = get_pixels_8x4_sym_sse2; } }