FFmpeg  4.0
vf_interlace_init.c
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (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
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18  * 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/internal.h"
24 #include "libavutil/mem.h"
25 #include "libavutil/x86/cpu.h"
26 
27 #include "libavfilter/interlace.h"
28 
29 void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize,
30  const uint8_t *srcp, ptrdiff_t mref,
31  ptrdiff_t pref, int clip_max);
32 void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,
33  const uint8_t *srcp, ptrdiff_t mref,
34  ptrdiff_t pref, int clip_max);
35 void ff_lowpass_line_avx2 (uint8_t *dstp, ptrdiff_t linesize,
36  const uint8_t *srcp, ptrdiff_t mref,
37  ptrdiff_t pref, int clip_max);
38 
39 void ff_lowpass_line_16_sse2(uint8_t *dstp, ptrdiff_t linesize,
40  const uint8_t *srcp, ptrdiff_t mref,
41  ptrdiff_t pref, int clip_max);
42 void ff_lowpass_line_16_avx (uint8_t *dstp, ptrdiff_t linesize,
43  const uint8_t *srcp, ptrdiff_t mref,
44  ptrdiff_t pref, int clip_max);
45 void ff_lowpass_line_16_avx2 (uint8_t *dstp, ptrdiff_t linesize,
46  const uint8_t *srcp, ptrdiff_t mref,
47  ptrdiff_t pref, int clip_max);
48 
49 void ff_lowpass_line_complex_sse2(uint8_t *dstp, ptrdiff_t linesize,
50  const uint8_t *srcp, ptrdiff_t mref,
51  ptrdiff_t pref, int clip_max);
52 
53 void ff_lowpass_line_complex_12_sse2(uint8_t *dstp, ptrdiff_t linesize,
54  const uint8_t *srcp, ptrdiff_t mref,
55  ptrdiff_t pref, int clip_max);
56 
57 av_cold void ff_interlace_init_x86(InterlaceContext *s, int depth)
58 {
59  int cpu_flags = av_get_cpu_flags();
60 
61  if (depth > 8) {
62  if (EXTERNAL_SSE2(cpu_flags)) {
63  if (s->lowpass == VLPF_LIN)
64  s->lowpass_line = ff_lowpass_line_16_sse2;
65  else if (s->lowpass == VLPF_CMP)
66  s->lowpass_line = ff_lowpass_line_complex_12_sse2;
67  }
68  if (EXTERNAL_AVX(cpu_flags))
69  if (s->lowpass == VLPF_LIN)
70  s->lowpass_line = ff_lowpass_line_16_avx;
71  if (EXTERNAL_AVX2_FAST(cpu_flags))
72  if (s->lowpass == VLPF_LIN)
73  s->lowpass_line = ff_lowpass_line_16_avx2;
74  } else {
75  if (EXTERNAL_SSE2(cpu_flags)) {
76  if (s->lowpass == VLPF_LIN)
77  s->lowpass_line = ff_lowpass_line_sse2;
78  else if (s->lowpass == VLPF_CMP)
79  s->lowpass_line = ff_lowpass_line_complex_sse2;
80  }
81  if (EXTERNAL_AVX(cpu_flags))
82  if (s->lowpass == VLPF_LIN)
83  s->lowpass_line = ff_lowpass_line_avx;
84  if (EXTERNAL_AVX2_FAST(cpu_flags))
85  if (s->lowpass == VLPF_LIN)
86  s->lowpass_line = ff_lowpass_line_avx2;
87  }
88 }
ff_lowpass_line_complex_12_sse2
void ff_lowpass_line_complex_12_sse2(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
s
const char * s
Definition: avisynth_c.h:768
ff_lowpass_line_16_avx2
void ff_lowpass_line_16_avx2(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
mem.h
Memory handling functions.
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
ff_lowpass_line_complex_sse2
void ff_lowpass_line_complex_sse2(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
ff_lowpass_line_avx
void ff_lowpass_line_avx(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
attributes.h
Macro definitions for various function/variable attributes.
srcp
BYTE int const BYTE * srcp
Definition: avisynth_c.h:813
uint8_t
uint8_t
Definition: audio_convert.c:194
av_cold
#define av_cold
Definition: attributes.h:82
ff_lowpass_line_16_sse2
void ff_lowpass_line_16_sse2(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
ff_lowpass_line_sse2
void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
InterlaceContext::lowpass_line
void(* lowpass_line)(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
Definition: interlace.h:61
dstp
BYTE * dstp
Definition: avisynth_c.h:813
internal.h
common internal API header
interlace.h
progressive to interlaced content filter, inspired by heavy debugging of tinterlace filter...
ff_interlace_init_x86
av_cold void ff_interlace_init_x86(InterlaceContext *s, int depth)
Definition: vf_interlace_init.c:57
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
ff_lowpass_line_16_avx
void ff_lowpass_line_16_avx(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
EXTERNAL_AVX
#define EXTERNAL_AVX(flags)
Definition: cpu.h:70
ff_lowpass_line_avx2
void ff_lowpass_line_avx2(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, ptrdiff_t mref, ptrdiff_t pref, int clip_max)
Generated on Tue May 22 2018 07:06:52 for FFmpeg by   doxygen 1.8.13