FFmpeg
vf_limiter_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/x86/cpu.h"
20 
21 #include "libavfilter/limiter.h"
22 
23 void ff_limiter_8bit_sse2(const uint8_t *src, uint8_t *dst,
24  ptrdiff_t slinesize, ptrdiff_t dlinesize,
25  int w, int h, int min, int max);
26 void ff_limiter_16bit_sse4(const uint8_t *src, uint8_t *dst,
27  ptrdiff_t slinesize, ptrdiff_t dlinesize,
28  int w, int h, int min, int max);
29 
31 {
33 
34  if (EXTERNAL_SSE2(cpu_flags)) {
35  if (bpp <= 8) {
37  }
38  }
39  if (EXTERNAL_SSE4(cpu_flags)) {
40  if (bpp > 8) {
42  }
43  }
44 }
cpu.h
w
uint8_t w
Definition: llviddspenc.c:38
max
#define max(a, b)
Definition: cuda_runtime.h:33
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:96
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
ff_limiter_init_x86
void ff_limiter_init_x86(LimiterDSPContext *dsp, int bpp)
Definition: vf_limiter_init.c:30
limiter.h
ff_limiter_8bit_sse2
void ff_limiter_8bit_sse2(const uint8_t *src, uint8_t *dst, ptrdiff_t slinesize, ptrdiff_t dlinesize, int w, int h, int min, int max)
src
#define src
Definition: vp8dsp.c:255
ff_limiter_16bit_sse4
void ff_limiter_16bit_sse4(const uint8_t *src, uint8_t *dst, ptrdiff_t slinesize, ptrdiff_t dlinesize, int w, int h, int min, int max)
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
LimiterDSPContext
Definition: limiter.h:25
LimiterDSPContext::limiter
void(* limiter)(const uint8_t *src, uint8_t *dst, ptrdiff_t slinesize, ptrdiff_t dlinesize, int w, int h, int min, int max)
Definition: limiter.h:26
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
h
h
Definition: vp9dsp_template.c:2038
min
float min
Definition: vorbis_enc_data.h:429