1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with Libav; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavfilter/interlace.h"
void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize,
const uint8_t *srcp,
const uint8_t *srcp_above,
const uint8_t *srcp_below);
void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,
const uint8_t *srcp,
const uint8_t *srcp_above,
const uint8_t *srcp_below);
av_cold void ff_interlace_init_x86(InterlaceContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE2(cpu_flags))
s->lowpass_line = ff_lowpass_line_sse2;
if (EXTERNAL_AVX(cpu_flags))
s->lowpass_line = ff_lowpass_line_avx;
}
|
