FFmpeg
vf_framerate_init.c
Go to the documentation of this file.
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/cpu.h"
20 #include "libavutil/x86/cpu.h"
21 #include "libavfilter/framerate.h"
22 
27 
29 {
31  if (s->bitdepth == 8) {
33  s->blend = ff_blend_frames_avx2;
34  else if (EXTERNAL_SSSE3(cpu_flags))
35  s->blend = ff_blend_frames_ssse3;
36  } else {
38  s->blend = ff_blend_frames16_avx2;
39  else if (EXTERNAL_SSE4(cpu_flags))
40  s->blend = ff_blend_frames16_sse4;
41  }
42 }
cpu.h
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
ff_blend_frames16_sse4
void ff_blend_frames16_sse4(BLEND_FUNC_PARAMS)
framerate.h
FrameRateContext
Definition: framerate.h:35
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
s
#define s(width, name)
Definition: cbs_vp9.c:257
BLEND_FUNC_PARAMS
#define BLEND_FUNC_PARAMS
Definition: framerate.h:25
ff_framerate_init_x86
void ff_framerate_init_x86(FrameRateContext *s)
Definition: vf_framerate_init.c:28
cpu.h
ff_blend_frames_ssse3
void ff_blend_frames_ssse3(BLEND_FUNC_PARAMS)
ff_blend_frames16_avx2
void ff_blend_frames16_avx2(BLEND_FUNC_PARAMS)
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
ff_blend_frames_avx2
void ff_blend_frames_avx2(BLEND_FUNC_PARAMS)
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65