FFmpeg
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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"
27#include "libavutil/cpu.h"
29
30int ff_pixelutils_sad16_armv6(const uint8_t *src1, ptrdiff_t stride1,
31 const uint8_t *src2, ptrdiff_t stride2);
32int 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) {
43 }
44 }
45}
46#endif
int ff_pixelutils_sad8_armv6(const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2)
int ff_pixelutils_sad16_armv6(const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2)
static av_cold void ff_pixelutils_sad_init_arm(av_pixelutils_sad_fn *sad, int aligned)
Definition pixelutils.h:35
static int aligned(int val)
Definition dashdec.c:178
const pixel * src2
#define have_armv6(flags)
Definition cpu.h:26
Macro definitions for various function/variable attributes.
#define av_cold
Definition attributes.h:117
static atomic_int cpu_flags
Definition cpu.c:56
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition cpu.c:109
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
#define src1
Definition h264pred.c:141