FFmpeg
vf_nlmeans_init.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 "libavutil/attributes.h"
20 #include "libavutil/x86/cpu.h"
21 #include "libavfilter/vf_nlmeans.h"
22 
23 void ff_compute_weights_line_avx2(const uint32_t *const iia,
24  const uint32_t *const iib,
25  const uint32_t *const iid,
26  const uint32_t *const iie,
27  const uint8_t *const src,
28  float *total_weight,
29  float *sum,
30  const float *const weight_lut,
31  int max_meaningful_diff,
32  int startx, int endx);
33 
35 {
37 
38  if (ARCH_X86_64 && EXTERNAL_AVX2_FAST(cpu_flags))
40 }
cpu.h
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
ff_compute_weights_line_avx2
void ff_compute_weights_line_avx2(const uint32_t *const iia, const uint32_t *const iib, const uint32_t *const iid, const uint32_t *const iie, const uint8_t *const src, float *total_weight, float *sum, const float *const weight_lut, int max_meaningful_diff, int startx, int endx)
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:101
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:52
NLMeansDSPContext
Definition: vf_nlmeans.h:25
av_cold
#define av_cold
Definition: attributes.h:90
ff_nlmeans_init_x86
av_cold void ff_nlmeans_init_x86(NLMeansDSPContext *dsp)
Definition: vf_nlmeans_init.c:34
vf_nlmeans.h
attributes.h
src
INIT_CLIP pixel * src
Definition: h264pred_template.c:418
NLMeansDSPContext::compute_weights_line
void(* compute_weights_line)(const uint32_t *const iia, const uint32_t *const iib, const uint32_t *const iid, const uint32_t *const iie, const uint8_t *const src, float *total_weight, float *sum, const float *const weight_lut, int max_meaningful_diff, int startx, int endx)
Definition: vf_nlmeans.h:30