| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * x86 PNG optimizations. | ||
| 3 | * Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu> | ||
| 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 <stdint.h> | ||
| 23 | #include "libavutil/attributes.h" | ||
| 24 | #include "libavutil/x86/cpu.h" | ||
| 25 | #include "libavcodec/pngdsp.h" | ||
| 26 | |||
| 27 | void ff_add_png_paeth_prediction_mmxext(uint8_t *dst, uint8_t *src, | ||
| 28 | uint8_t *top, int w, int bpp); | ||
| 29 | void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src, | ||
| 30 | uint8_t *top, int w, int bpp); | ||
| 31 | void ff_add_bytes_l2_sse2(uint8_t *dst, uint8_t *src1, | ||
| 32 | uint8_t *src2, int w); | ||
| 33 | |||
| 34 | 163 | av_cold void ff_pngdsp_init_x86(PNGDSPContext *dsp) | |
| 35 | { | ||
| 36 | 163 | int cpu_flags = av_get_cpu_flags(); | |
| 37 | |||
| 38 |
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163 | if (EXTERNAL_MMXEXT(cpu_flags)) |
| 39 | 18 | dsp->add_paeth_prediction = ff_add_png_paeth_prediction_mmxext; | |
| 40 |
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163 | if (EXTERNAL_SSE2(cpu_flags)) |
| 41 | 18 | dsp->add_bytes_l2 = ff_add_bytes_l2_sse2; | |
| 42 |
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163 | if (EXTERNAL_SSSE3(cpu_flags)) |
| 43 | 18 | dsp->add_paeth_prediction = ff_add_png_paeth_prediction_ssse3; | |
| 44 | 163 | } | |
| 45 |