FFmpeg
vf_ssim_init.c
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1 /*
2  * Copyright (c) 2015 Ronald S. Bultje <rsbultje@gmail.com>
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/x86/cpu.h"
22 
23 #include "libavfilter/ssim.h"
24 
25 void ff_ssim_4x4_line_ssse3(const uint8_t *buf, ptrdiff_t buf_stride,
26  const uint8_t *ref, ptrdiff_t ref_stride,
27  int (*sums)[4], int w);
28 void ff_ssim_4x4_line_xop (const uint8_t *buf, ptrdiff_t buf_stride,
29  const uint8_t *ref, ptrdiff_t ref_stride,
30  int (*sums)[4], int w);
31 double ff_ssim_end_line_sse4(const int (*sum0)[4], const int (*sum1)[4], int w);
32 
34 {
36 
37  if (ARCH_X86_64 && EXTERNAL_SSSE3(cpu_flags))
39  if (EXTERNAL_SSE4(cpu_flags))
41  if (EXTERNAL_XOP(cpu_flags))
43 }
static atomic_int cpu_flags
Definition: cpu.c:50
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
double(* ssim_end_line)(const int(*sum0)[4], const int(*sum1)[4], int w)
Definition: ssim.h:31
uint8_t
void ff_ssim_4x4_line_ssse3(const uint8_t *buf, ptrdiff_t buf_stride, const uint8_t *ref, ptrdiff_t ref_stride, int(*sums)[4], int w)
double ff_ssim_end_line_sse4(const int(*sum0)[4], const int(*sum1)[4], int w)
void ff_ssim_init_x86(SSIMDSPContext *dsp)
Definition: vf_ssim_init.c:33
uint8_t w
Definition: llviddspenc.c:38
void ff_ssim_4x4_line_xop(const uint8_t *buf, ptrdiff_t buf_stride, const uint8_t *ref, ptrdiff_t ref_stride, int(*sums)[4], int w)
void * buf
Definition: avisynth_c.h:766
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
void(* ssim_4x4_line)(const uint8_t *buf, ptrdiff_t buf_stride, const uint8_t *ref, ptrdiff_t ref_stride, int(*sums)[4], int w)
Definition: ssim.h:28
#define EXTERNAL_XOP(flags)
Definition: cpu.h:73