| /* |
| * MMX-optimized avg/put pixel routines |
| * |
| * Copyright (c) 2001 Fabrice Bellard |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg 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. |
| * |
| * FFmpeg 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 FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "config.h" |
| #include "dsputil_x86.h" |
| |
| #if HAVE_MMX_INLINE |
| |
| void ff_avg_pixels8_x2_mmx(uint8_t *block, const uint8_t *pixels, |
| ptrdiff_t line_size, int h) |
| { |
| MOVQ_BFE(mm6); |
| JUMPALIGN(); |
| do { |
| __asm__ volatile( |
| "movq %1, %%mm0 \n\t" |
| "movq 1%1, %%mm1 \n\t" |
| "movq %0, %%mm3 \n\t" |
| PAVGB_MMX(%%mm0, %%mm1, %%mm2, %%mm6) |
| PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6) |
| "movq %%mm0, %0 \n\t" |
| :"+m"(*block) |
| :"m"(*pixels) |
| :"memory"); |
| pixels += line_size; |
| block += line_size; |
| } while (--h); |
| } |
| |
| #endif /* HAVE_MMX_INLINE */ |