FFmpeg
vf_maskedclamp_init.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2019 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/mem.h"
24 #include "libavutil/x86/asm.h"
25 #include "libavutil/x86/cpu.h"
27 
28 void ff_maskedclamp8_sse2(const uint8_t *bsrc, uint8_t *dst,
29  const uint8_t *darksrc, const uint8_t *brightsrc,
30  int w, int undershoot, int overshoot);
31 
32 void ff_maskedclamp16_sse4(const uint8_t *bsrc, uint8_t *dst,
33  const uint8_t *darksrc, const uint8_t *brightsrc,
34  int w, int undershoot, int overshoot);
35 
37 {
39 
40  if (EXTERNAL_SSE2(cpu_flags) && depth <= 8) {
42  }
43 
44  if (EXTERNAL_SSE4(cpu_flags) && depth > 8) {
46  }
47 }
Memory handling functions.
av_cold void ff_maskedclamp_init_x86(MaskedClampDSPContext *dsp, int depth)
static atomic_int cpu_flags
Definition: cpu.c:50
Macro definitions for various function/variable attributes.
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
void(* maskedclamp)(const uint8_t *bsrc, uint8_t *dst, const uint8_t *darksrc, const uint8_t *brightsrc, int w, int undershoot, int overshoot)
Definition: maskedclamp.h:28
uint8_t
#define av_cold
Definition: attributes.h:82
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
void ff_maskedclamp8_sse2(const uint8_t *bsrc, uint8_t *dst, const uint8_t *darksrc, const uint8_t *brightsrc, int w, int undershoot, int overshoot)
uint8_t w
Definition: llviddspenc.c:38
void ff_maskedclamp16_sse4(const uint8_t *bsrc, uint8_t *dst, const uint8_t *darksrc, const uint8_t *brightsrc, int w, int undershoot, int overshoot)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93