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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * MMX-optimized avg/put pixel routines |
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| 3 | * |
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| 4 | * Copyright (c) 2001 Fabrice Bellard |
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| 5 | * |
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| 6 | * This file is part of FFmpeg. |
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| 7 | * |
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| 8 | * FFmpeg is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * FFmpeg is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with FFmpeg; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |||
| 23 | #include |
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| 24 | #include |
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| 25 | |||
| 26 | #include "config.h" |
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| 27 | #include "dsputil_x86.h" |
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| 28 | |||
| 29 | #if HAVE_MMX_INLINE |
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| 30 | |||
| 31 | void ff_avg_pixels8_x2_mmx(uint8_t *block, const uint8_t *pixels, |
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| 32 | ptrdiff_t line_size, int h) |
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| 33 | { |
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| 34 | MOVQ_BFE(mm6); |
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| 35 | JUMPALIGN(); |
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| 36 | do { |
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| 37 | __asm__ volatile( |
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| 38 | "movq %1, %%mm0 \n\t" |
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| 39 | "movq 1%1, %%mm1 \n\t" |
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| 40 | "movq %0, %%mm3 \n\t" |
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| 41 | PAVGB_MMX(%%mm0, %%mm1, %%mm2, %%mm6) |
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| 42 | PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6) |
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| 43 | "movq %%mm0, %0 \n\t" |
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| 44 | :"+m"(*block) |
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| 45 | :"m"(*pixels) |
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| 46 | :"memory"); |
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| 47 | pixels += line_size; |
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| 48 | block += line_size; |
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| 49 | } while (--h); |
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| 50 | } |
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| 51 | |||
| 52 | #endif /* HAVE_MMX_INLINE */ |