| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include "libavutil/cpu.h" | ||
| 20 | #include "libavutil/x86/cpu.h" | ||
| 21 | #include "libavfilter/scene_sad.h" | ||
| 22 | |||
| 23 | #define SCENE_SAD_FUNC(FUNC_NAME, ASM_FUNC_NAME, MMSIZE) \ | ||
| 24 | void ASM_FUNC_NAME(SCENE_SAD_PARAMS); \ | ||
| 25 | \ | ||
| 26 | static void FUNC_NAME(SCENE_SAD_PARAMS) { \ | ||
| 27 | uint64_t sad[MMSIZE / 8] = {0}; \ | ||
| 28 | ptrdiff_t awidth = width & ~(MMSIZE - 1); \ | ||
| 29 | *sum = 0; \ | ||
| 30 | ASM_FUNC_NAME(src1, stride1, src2, stride2, awidth, height, sad); \ | ||
| 31 | for (int i = 0; i < MMSIZE / 8; i++) \ | ||
| 32 | *sum += sad[i]; \ | ||
| 33 | ff_scene_sad_c(src1 + awidth, stride1, \ | ||
| 34 | src2 + awidth, stride2, \ | ||
| 35 | width - awidth, height, sad); \ | ||
| 36 | *sum += sad[0]; \ | ||
| 37 | } | ||
| 38 | |||
| 39 | #if HAVE_X86ASM | ||
| 40 | ✗ | SCENE_SAD_FUNC(scene_sad_sse2, ff_scene_sad_sse2, 16) | |
| 41 | #if HAVE_AVX2_EXTERNAL | ||
| 42 |
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16820 | SCENE_SAD_FUNC(scene_sad_avx2, ff_scene_sad_avx2, 32) |
| 43 | #endif | ||
| 44 | #endif | ||
| 45 | |||
| 46 | 9 | ff_scene_sad_fn ff_scene_sad_get_fn_x86(int depth) | |
| 47 | { | ||
| 48 | #if HAVE_X86ASM | ||
| 49 | 9 | int cpu_flags = av_get_cpu_flags(); | |
| 50 |
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9 | if (depth == 8) { |
| 51 | #if HAVE_AVX2_EXTERNAL | ||
| 52 |
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7 | if (EXTERNAL_AVX2_FAST(cpu_flags)) |
| 53 | 3 | return scene_sad_avx2; | |
| 54 | #endif | ||
| 55 |
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4 | if (EXTERNAL_SSE2(cpu_flags)) |
| 56 | ✗ | return scene_sad_sse2; | |
| 57 | } | ||
| 58 | #endif | ||
| 59 | 6 | return NULL; | |
| 60 | } | ||
| 61 |