avcodec/filter: Remove extra '; ' outside of functions
[ffmpeg.git] / libavfilter / x86 / scene_sad_init.c
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 SCENE_SAD_FUNC(scene_sad_avx2, ff_scene_sad_avx2, 32)
43 #endif
44 #endif
45
46 ff_scene_sad_fn ff_scene_sad_get_fn_x86(int depth)
47 {
48 #if HAVE_X86ASM
49     int cpu_flags = av_get_cpu_flags();
50     if (depth == 8) {
51 #if HAVE_AVX2_EXTERNAL
52         if (EXTERNAL_AVX2_FAST(cpu_flags))
53             return scene_sad_avx2;
54 #endif
55         if (EXTERNAL_SSE2(cpu_flags))
56             return scene_sad_sse2;
57     }
58 #endif
59     return NULL;
60 }