FFmpeg
pixelutils.h
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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 #ifndef AVUTIL_ARM_PIXELUTILS_H
20 #define AVUTIL_ARM_PIXELUTILS_H
21 
22 #include <stddef.h>
23 #include <stdint.h>
24 
25 #include "cpu.h"
26 #include "libavutil/attributes.h"
27 #include "libavutil/cpu.h"
28 #include "libavutil/pixelutils.h"
29 
30 int ff_pixelutils_sad16_armv6(const uint8_t *src1, ptrdiff_t stride1,
31  const uint8_t *src2, ptrdiff_t stride2);
32 int ff_pixelutils_sad8_armv6 (const uint8_t *src1, ptrdiff_t stride1,
33  const uint8_t *src2, ptrdiff_t stride2);
34 
36 {
38 
39  if (have_armv6(cpu_flags)) {
40  if (aligned != 0) {
41  sad[2] = ff_pixelutils_sad8_armv6;
43  }
44  }
45 }
46 #endif
src1
const pixel * src1
Definition: h264pred_template.c:420
av_pixelutils_sad_fn
int(* av_pixelutils_sad_fn)(const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2)
Sum of abs(src1[x] - src2[x])
Definition: pixelutils.h:28
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:109
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:56
aligned
static int aligned(int val)
Definition: dashdec.c:172
av_cold
#define av_cold
Definition: attributes.h:106
cpu.h
cpu.h
pixelutils.h
attributes.h
ff_pixelutils_sad16_armv6
int ff_pixelutils_sad16_armv6(const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2)
src2
const pixel * src2
Definition: h264pred_template.c:421
ff_pixelutils_sad8_armv6
int ff_pixelutils_sad8_armv6(const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2)
have_armv6
#define have_armv6(flags)
Definition: cpu.h:26
ff_pixelutils_sad_init_arm
static av_cold void ff_pixelutils_sad_init_arm(av_pixelutils_sad_fn *sad, int aligned)
Definition: pixelutils.h:35