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2ba45a60 DM |
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 "config.h" | |
20 | ||
21 | #include "pixelutils.h" | |
22 | #include "cpu.h" | |
23 | ||
24 | int ff_pixelutils_sad_8x8_mmx(const uint8_t *src1, ptrdiff_t stride1, | |
25 | const uint8_t *src2, ptrdiff_t stride2); | |
26 | int ff_pixelutils_sad_8x8_mmxext(const uint8_t *src1, ptrdiff_t stride1, | |
27 | const uint8_t *src2, ptrdiff_t stride2); | |
28 | ||
29 | int ff_pixelutils_sad_16x16_mmxext(const uint8_t *src1, ptrdiff_t stride1, | |
30 | const uint8_t *src2, ptrdiff_t stride2); | |
31 | int ff_pixelutils_sad_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1, | |
32 | const uint8_t *src2, ptrdiff_t stride2); | |
33 | int ff_pixelutils_sad_a_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1, | |
34 | const uint8_t *src2, ptrdiff_t stride2); | |
35 | int ff_pixelutils_sad_u_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1, | |
36 | const uint8_t *src2, ptrdiff_t stride2); | |
37 | ||
38 | void ff_pixelutils_sad_init_x86(av_pixelutils_sad_fn *sad, int aligned) | |
39 | { | |
40 | int cpu_flags = av_get_cpu_flags(); | |
41 | ||
42 | if (EXTERNAL_MMX(cpu_flags)) { | |
43 | sad[2] = ff_pixelutils_sad_8x8_mmx; | |
44 | } | |
45 | ||
46 | if (EXTERNAL_MMXEXT(cpu_flags)) { | |
47 | sad[2] = ff_pixelutils_sad_8x8_mmxext; | |
48 | sad[3] = ff_pixelutils_sad_16x16_mmxext; | |
49 | } | |
50 | ||
51 | if (EXTERNAL_SSE2(cpu_flags)) { | |
52 | switch (aligned) { | |
53 | case 0: sad[3] = ff_pixelutils_sad_16x16_sse2; break; // src1 unaligned, src2 unaligned | |
54 | case 1: sad[3] = ff_pixelutils_sad_u_16x16_sse2; break; // src1 aligned, src2 unaligned | |
55 | case 2: sad[3] = ff_pixelutils_sad_a_16x16_sse2; break; // src1 aligned, src2 aligned | |
56 | } | |
57 | } | |
58 | } |