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vf_idet.h
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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 #ifndef AVFILTER_IDET_H
20 #define AVFILTER_IDET_H
21 
22 #include "libavutil/pixdesc.h"
23 #include "avfilter.h"
24 
25 #define HIST_SIZE 4
26 
27 typedef int (*ff_idet_filter_func)(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w);
28 
29 typedef enum {
30  TFF,
31  BFF,
34 } Type;
35 
36 typedef enum {
41 
42 typedef struct {
43  const AVClass *class;
47  float half_life;
49 
51 
52  uint64_t repeats[3];
53  uint64_t prestat[4];
54  uint64_t poststat[4];
55  uint64_t total_repeats[3];
56  uint64_t total_prestat[4];
57  uint64_t total_poststat[4];
58 
59  uint8_t history[HIST_SIZE];
60 
65 
69 
71  int eof;
72 } IDETContext;
73 
74 void ff_idet_init_x86(IDETContext *idet, int for_16b);
75 
76 /* main fall-back for left-over */
77 int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w);
78 int ff_idet_filter_line_c_16bit(const uint16_t *a, const uint16_t *b, const uint16_t *c, int w);
79 
80 #endif
This structure describes decoded (raw) audio or video data.
Definition: frame.h:184
Main libavfilter public API header.
const char * b
Definition: vf_curves.c:113
float interlace_threshold
Definition: vf_idet.h:44
const AVPixFmtDescriptor * csp
Definition: vf_idet.h:70
int eof
Definition: vf_idet.h:71
int ff_idet_filter_line_c_16bit(const uint16_t *a, const uint16_t *b, const uint16_t *c, int w)
Definition: vf_idet.c:100
float progressive_threshold
Definition: vf_idet.h:45
uint8_t
Definition: vf_idet.h:31
uint64_t decay_coefficient
Definition: vf_idet.h:48
float half_life
Definition: vf_idet.h:47
int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w)
Definition: vf_idet.c:87
void ff_idet_init_x86(IDETContext *idet, int for_16b)
Definition: vf_idet_init.c:69
AVFrame * next
Definition: vf_idet.h:62
int analyze_interlaced_flag
Definition: vf_idet.h:67
#define HIST_SIZE
Definition: vf_idet.h:25
Type
Definition: vf_idet.h:29
ff_idet_filter_func filter_line
Definition: vf_idet.h:64
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
float repeat_threshold
Definition: vf_idet.h:46
RepeatedField
Definition: vf_idet.h:36
Definition: vf_idet.h:30
Describe the class of an AVClass context structure.
Definition: log.h:67
Type last_type
Definition: vf_idet.h:50
AVFrame * cur
Definition: vf_idet.h:61
static double c[64]
int analyze_interlaced_flag_done
Definition: vf_idet.h:68
int interlaced_flag_accuracy
Definition: vf_idet.h:66
AVFrame * prev
Definition: vf_idet.h:63
int(* ff_idet_filter_func)(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w)
Definition: vf_idet.h:27