FFmpeg  4.3.6
vf_convolution_init.c
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1 /*
2  *
3  * This file is part of FFmpeg.
4  *
5  * FFmpeg is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * FFmpeg is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with FFmpeg; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 #include "config.h"
21 
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/x86/cpu.h"
26 
27 void ff_filter_3x3_sse4(uint8_t *dst, int width,
28  float rdiv, float bias, const int *const matrix,
29  const uint8_t *c[], int peak, int radius,
30  int dstride, int stride);
31 
33 {
34 #if ARCH_X86_64
35  int i;
37  for (i = 0; i < 4; i++) {
38  if (s->mode[i] == MATRIX_SQUARE) {
39  if (s->matrix_length[i] == 9) {
40  if (EXTERNAL_SSE4(cpu_flags))
42  }
43  }
44  }
45 #endif
46 }
static atomic_int cpu_flags
Definition: cpu.c:50
int stride
Definition: mace.c:144
Macro definitions for various function/variable attributes.
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
uint8_t
#define av_cold
Definition: attributes.h:88
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
#define width
#define s(width, name)
Definition: cbs_vp9.c:257
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
static double c[64]
void ff_filter_3x3_sse4(uint8_t *dst, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride)
av_cold void ff_convolution_init_x86(ConvolutionContext *s)
void(* filter[4])(uint8_t *dst, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride)
Definition: convolution.h:57