| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License as published by | ||
| 8 | * the Free Software Foundation; either version 2 of the License, or | ||
| 9 | * (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License along | ||
| 17 | * with FFmpeg; if not, write to the Free Software Foundation, Inc., | ||
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 19 | */ | ||
| 20 | |||
| 21 | |||
| 22 | #include "libavutil/attributes.h" | ||
| 23 | #include "libavutil/cpu.h" | ||
| 24 | #include "libavfilter/vf_spp.h" | ||
| 25 | |||
| 26 | #if HAVE_MMX_INLINE | ||
| 27 | ✗ | static void store_slice_mmx(uint8_t *dst, const int16_t *src, | |
| 28 | int dst_stride, int src_stride, | ||
| 29 | int width, int height, int log2_scale, | ||
| 30 | const uint8_t dither[8][8]) | ||
| 31 | { | ||
| 32 | int y; | ||
| 33 | |||
| 34 | ✗ | for (y = 0; y < height; y++) { | |
| 35 | ✗ | uint8_t *dst1 = dst; | |
| 36 | ✗ | const int16_t *src1 = src; | |
| 37 | ✗ | __asm__ volatile( | |
| 38 | "movq (%3), %%mm3 \n" | ||
| 39 | "movq (%3), %%mm4 \n" | ||
| 40 | "movd %4, %%mm2 \n" | ||
| 41 | "pxor %%mm0, %%mm0 \n" | ||
| 42 | "punpcklbw %%mm0, %%mm3 \n" | ||
| 43 | "punpckhbw %%mm0, %%mm4 \n" | ||
| 44 | "psraw %%mm2, %%mm3 \n" | ||
| 45 | "psraw %%mm2, %%mm4 \n" | ||
| 46 | "movd %5, %%mm2 \n" | ||
| 47 | "1: \n" | ||
| 48 | "movq (%0), %%mm0 \n" | ||
| 49 | "movq 8(%0), %%mm1 \n" | ||
| 50 | "paddw %%mm3, %%mm0 \n" | ||
| 51 | "paddw %%mm4, %%mm1 \n" | ||
| 52 | "psraw %%mm2, %%mm0 \n" | ||
| 53 | "psraw %%mm2, %%mm1 \n" | ||
| 54 | "packuswb %%mm1, %%mm0 \n" | ||
| 55 | "movq %%mm0, (%1) \n" | ||
| 56 | "add $16, %0 \n" | ||
| 57 | "add $8, %1 \n" | ||
| 58 | "cmp %2, %1 \n" | ||
| 59 | " jb 1b \n" | ||
| 60 | : "+r" (src1), "+r"(dst1) | ||
| 61 | ✗ | : "r"(dst + width), "r"(dither[y]), "g"(log2_scale), "g"(MAX_LEVEL - log2_scale) | |
| 62 | ); | ||
| 63 | ✗ | src += src_stride; | |
| 64 | ✗ | dst += dst_stride; | |
| 65 | } | ||
| 66 | ✗ | } | |
| 67 | |||
| 68 | #endif /* HAVE_MMX_INLINE */ | ||
| 69 | |||
| 70 | 1 | av_cold void ff_spp_init_x86(SPPContext *s) | |
| 71 | { | ||
| 72 | #if HAVE_MMX_INLINE | ||
| 73 | 1 | int cpu_flags = av_get_cpu_flags(); | |
| 74 | |||
| 75 |
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1 | if (cpu_flags & AV_CPU_FLAG_MMX) { |
| 76 | ✗ | s->store_slice = store_slice_mmx; | |
| 77 | } | ||
| 78 | #endif | ||
| 79 | 1 | } | |
| 80 |