| 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 <stddef.h> | ||
| 20 | |||
| 21 | #include "config.h" | ||
| 22 | #include "pixelutils.h" | ||
| 23 | |||
| 24 | #if CONFIG_PIXELUTILS | ||
| 25 | #include <stdlib.h> | ||
| 26 | #include <string.h> | ||
| 27 | |||
| 28 | #include "attributes.h" | ||
| 29 | #include "macros.h" | ||
| 30 | |||
| 31 | #include "x86/pixelutils.h" | ||
| 32 | |||
| 33 | 68221 | static av_always_inline int sad_wxh(const uint8_t *src1, ptrdiff_t stride1, | |
| 34 | const uint8_t *src2, ptrdiff_t stride2, | ||
| 35 | int w, int h) | ||
| 36 | { | ||
| 37 | 68221 | int x, y, sum = 0; | |
| 38 | |||
| 39 |
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614133 | for (y = 0; y < h; y++) { |
| 40 |
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4923288 | for (x = 0; x < w; x++) |
| 41 | 4377376 | sum += abs(src1[x] - src2[x]); | |
| 42 | 545912 | src1 += stride1; | |
| 43 | 545912 | src2 += stride2; | |
| 44 | } | ||
| 45 | 68221 | return sum; | |
| 46 | } | ||
| 47 | |||
| 48 | #define DECLARE_BLOCK_FUNCTIONS(size) \ | ||
| 49 | static int block_sad_##size##x##size##_c(const uint8_t *src1, ptrdiff_t stride1, \ | ||
| 50 | const uint8_t *src2, ptrdiff_t stride2) \ | ||
| 51 | { \ | ||
| 52 | return sad_wxh(src1, stride1, src2, stride2, size, size); \ | ||
| 53 | } | ||
| 54 | |||
| 55 | 24 | DECLARE_BLOCK_FUNCTIONS(2) | |
| 56 | 24 | DECLARE_BLOCK_FUNCTIONS(4) | |
| 57 | 68149 | DECLARE_BLOCK_FUNCTIONS(8) | |
| 58 | 12 | DECLARE_BLOCK_FUNCTIONS(16) | |
| 59 | 12 | DECLARE_BLOCK_FUNCTIONS(32) | |
| 60 | |||
| 61 | static const av_pixelutils_sad_fn sad_c[] = { | ||
| 62 | block_sad_2x2_c, | ||
| 63 | block_sad_4x4_c, | ||
| 64 | block_sad_8x8_c, | ||
| 65 | block_sad_16x16_c, | ||
| 66 | block_sad_32x32_c, | ||
| 67 | }; | ||
| 68 | #else | ||
| 69 | #include "log.h" | ||
| 70 | #endif /* CONFIG_PIXELUTILS */ | ||
| 71 | |||
| 72 | 62 | av_pixelutils_sad_fn av_pixelutils_get_sad_fn(int w_bits, int h_bits, int aligned, void *log_ctx) | |
| 73 | { | ||
| 74 | #if !CONFIG_PIXELUTILS | ||
| 75 | av_log(log_ctx, AV_LOG_ERROR, "pixelutils support is required " | ||
| 76 | "but libavutil is not compiled with it\n"); | ||
| 77 | return NULL; | ||
| 78 | #else | ||
| 79 | av_pixelutils_sad_fn sad[FF_ARRAY_ELEMS(sad_c)]; | ||
| 80 | |||
| 81 | 62 | memcpy(sad, sad_c, sizeof(sad)); | |
| 82 | |||
| 83 |
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62 | if (w_bits < 1 || w_bits > FF_ARRAY_ELEMS(sad) || |
| 84 |
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62 | h_bits < 1 || h_bits > FF_ARRAY_ELEMS(sad)) |
| 85 | ✗ | return NULL; | |
| 86 |
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62 | if (w_bits != h_bits) // only squared sad for now |
| 87 | ✗ | return NULL; | |
| 88 | |||
| 89 | #if ARCH_X86 | ||
| 90 | 62 | ff_pixelutils_sad_init_x86(sad, aligned); | |
| 91 | #endif | ||
| 92 | |||
| 93 | 62 | return sad[w_bits - 1]; | |
| 94 | #endif | ||
| 95 | } | ||
| 96 |