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me_cmp_init_arm.c
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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 #include <stdint.h>
20 
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/arm/cpu.h"
24 #include "libavcodec/avcodec.h"
25 #include "libavcodec/me_cmp.h"
26 #include "libavcodec/mpegvideo.h"
27 
29  ptrdiff_t stride, int h);
31  ptrdiff_t stride, int h);
33  ptrdiff_t stride, int h);
34 
36  ptrdiff_t stride, int h);
37 
38 int ff_sse16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
39  ptrdiff_t stride, int h);
40 
42 {
44 
45  if (have_armv6(cpu_flags)) {
46  c->pix_abs[0][0] = ff_pix_abs16_armv6;
47  c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
48  c->pix_abs[0][2] = ff_pix_abs16_y2_armv6;
49 
50  c->pix_abs[1][0] = ff_pix_abs8_armv6;
51 
52  c->sad[0] = ff_pix_abs16_armv6;
53  c->sad[1] = ff_pix_abs8_armv6;
54 
55  c->sse[0] = ff_sse16_armv6;
56  }
57 }
const char * s
Definition: avisynth_c.h:768
#define have_armv6(flags)
Definition: cpu.h:27
int ff_pix_abs16_y2_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2, ptrdiff_t stride, int h)
int ff_pix_abs16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2, ptrdiff_t stride, int h)
mpegvideo header.
static atomic_int cpu_flags
Definition: cpu.c:50
Macro definitions for various function/variable attributes.
uint8_t
#define av_cold
Definition: attributes.h:82
me_cmp_func pix_abs[2][4]
Definition: me_cmp.h:78
int ff_sse16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2, ptrdiff_t stride, int h)
int ff_pix_abs16_x2_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2, ptrdiff_t stride, int h)
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1488
int ff_pix_abs8_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2, ptrdiff_t stride, int h)
av_cold void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:92
me_cmp_func sad[6]
Definition: me_cmp.h:56
me_cmp_func sse[6]
Definition: me_cmp.h:57
MpegEncContext.
Definition: mpegvideo.h:78
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
static double c[64]