| 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 | /** | ||
| 20 | * @file | ||
| 21 | * Scene SAD functions | ||
| 22 | */ | ||
| 23 | |||
| 24 | #include "scene_sad.h" | ||
| 25 | |||
| 26 | 89 | void ff_scene_sad16_c(SCENE_SAD_PARAMS) | |
| 27 | { | ||
| 28 | 89 | uint64_t sad = 0; | |
| 29 | 89 | const uint16_t *src1w = (const uint16_t *)src1; | |
| 30 | 89 | const uint16_t *src2w = (const uint16_t *)src2; | |
| 31 | int x, y; | ||
| 32 | |||
| 33 | 89 | stride1 /= 2; | |
| 34 | 89 | stride2 /= 2; | |
| 35 | |||
| 36 |
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21449 | for (y = 0; y < height; y++) { |
| 37 |
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| 38 |
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6835200 | sad += FFABS(src1w[x] - src2w[x]); |
| 39 | 21360 | src1w += stride1; | |
| 40 | 21360 | src2w += stride2; | |
| 41 | } | ||
| 42 | 89 | *sum = sad; | |
| 43 | 89 | } | |
| 44 | |||
| 45 | 3370 | void ff_scene_sad_c(SCENE_SAD_PARAMS) | |
| 46 | { | ||
| 47 | 3370 | uint64_t sad = 0; | |
| 48 | int x, y; | ||
| 49 | |||
| 50 |
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888170 | for (y = 0; y < height; y++) { |
| 51 |
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| 52 |
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460800 | sad += FFABS(src1[x] - src2[x]); |
| 53 | 884800 | src1 += stride1; | |
| 54 | 884800 | src2 += stride2; | |
| 55 | } | ||
| 56 | 3370 | *sum = sad; | |
| 57 | 3370 | } | |
| 58 | |||
| 59 | 9 | ff_scene_sad_fn ff_scene_sad_get_fn(int depth) | |
| 60 | { | ||
| 61 | 9 | ff_scene_sad_fn sad = NULL; | |
| 62 | #if ARCH_X86 | ||
| 63 | 9 | sad = ff_scene_sad_get_fn_x86(depth); | |
| 64 | #endif | ||
| 65 |
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9 | if (!sad) { |
| 66 |
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6 | if (depth == 8) |
| 67 | 4 | sad = ff_scene_sad_c; | |
| 68 |
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6 | if (depth == 16) |
| 69 | 2 | sad = ff_scene_sad16_c; | |
| 70 | } | ||
| 71 | 9 | return sad; | |
| 72 | } | ||
| 73 | |||
| 74 |