FFmpeg
vf_pullup.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 General Public
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8  *
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12  * GNU General Public License for more details.
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15  * with FFmpeg; if not, write to the Free Software
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17  */
18 
19 #ifndef AVFILTER_PULLUP_H
20 #define AVFILTER_PULLUP_H
21 
22 #include "avfilter.h"
23 
24 typedef struct PullupBuffer {
25  int lock[2];
27 } PullupBuffer;
28 
29 typedef struct PullupField {
30  int parity;
32  unsigned flags;
33  int breaks;
34  int affinity;
35  int *diffs;
36  int *combs;
37  int *vars;
38  struct PullupField *prev, *next;
39 } PullupField;
40 
41 typedef struct PullupFrame {
42  int lock;
43  int length;
44  int parity;
45  PullupBuffer *ifields[4], *ofields[2];
47 } PullupFrame;
48 
49 typedef struct PullupContext {
50  const AVClass *class;
51  int junk_left, junk_right, junk_top, junk_bottom;
55  int metric_w, metric_h, metric_length;
57  int nb_planes;
58  int planewidth[4];
59  int planeheight[4];
60  PullupField *first, *last, *head;
63 
64  int (*diff)(const uint8_t *a, const uint8_t *b, ptrdiff_t s);
65  int (*comb)(const uint8_t *a, const uint8_t *b, ptrdiff_t s);
66  int (*var )(const uint8_t *a, const uint8_t *b, ptrdiff_t s);
68 
70 
71 #endif /* AVFILTER_PULLUP_H */
PullupFrame frame
Definition: vf_pullup.h:62
int parity
Definition: vf_pullup.h:44
PullupBuffer * buffer
Definition: vf_pullup.h:46
Main libavfilter public API header.
PullupBuffer * buffer
Definition: vf_pullup.h:31
unsigned flags
Definition: vf_pullup.h:32
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
Definition: undefined.txt:36
int strict_breaks
Definition: vf_pullup.h:53
uint8_t
trying all byte sequences megabyte in length and selecting the best looking sequence will yield cases to try But first
int metric_offset
Definition: vf_pullup.h:56
void ff_pullup_init_x86(PullupContext *s)
int breaks
Definition: vf_pullup.h:33
int lock[2]
Definition: vf_pullup.h:25
PullupField * last
Definition: vf_pullup.h:60
int * diffs
Definition: vf_pullup.h:35
int * combs
Definition: vf_pullup.h:36
#define b
Definition: input.c:41
int strict_pairs
Definition: vf_pullup.h:54
int parity
Definition: vf_pullup.h:30
#define s(width, name)
Definition: cbs_vp9.c:257
int affinity
Definition: vf_pullup.h:34
int metric_plane
Definition: vf_pullup.h:52
struct PullupField * next
Definition: vf_pullup.h:38
Describe the class of an AVClass context structure.
Definition: log.h:67
uint8_t * planes[4]
Definition: vf_pullup.h:26
struct PullupField * prev
Definition: vf_pullup.h:38
int
int length
Definition: vf_pullup.h:43
int * vars
Definition: vf_pullup.h:37
GLuint * buffers
Definition: opengl_enc.c:98
static av_always_inline int diff(const uint32_t a, const uint32_t b)