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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../config.h"
#include "../mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "../libvo/fastmemcpy.h"
#include "../libvo/sub.h"
struct vf_priv_s {
int state;
long long in;
long long out;
};
static inline void *my_memcpy_pic(void * dst, void * src, int bytesPerLine, int height, int dstStride, int srcStride)
{
int i;
void *retval=dst;
for(i=0; i<height; i++)
{
memcpy(dst, src, bytesPerLine);
src+= srcStride;
dst+= dstStride;
}
return retval;
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
{
mp_image_t *dmpi;
int ret = 0;
int flags = mpi->fields;
int state = vf->priv->state;
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE |
MP_IMGFLAG_PRESERVE, mpi->width, mpi->height);
vf->priv->in++;
if ((state == 0 &&
!(flags & MP_IMGFIELD_TOP_FIRST)) ||
(state == 1 &&
flags & MP_IMGFIELD_TOP_FIRST)) {
mp_msg(MSGT_VFILTER, MSGL_WARN,
"softpulldown: Unexpected field flags: state=%d top_field_first=%d repeat_first_field=%d\n",
state,
(flags & MP_IMGFIELD_TOP_FIRST) != 0,
(flags & MP_IMGFIELD_REPEAT_FIRST) != 0);
state ^= 1;
}
if (state == 0) {
ret = vf_next_put_image(vf, mpi);
vf->priv->out++;
if (flags & MP_IMGFIELD_REPEAT_FIRST) {
my_memcpy_pic(dmpi->planes[0],
mpi->planes[0], mpi->w, mpi->h/2,
dmpi->stride[0]*2, mpi->stride[0]*2);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
my_memcpy_pic(dmpi->planes[1],
mpi->planes[1],
mpi->chroma_width,
mpi->chroma_height/2,
dmpi->stride[1]*2,
mpi->stride[1]*2);
my_memcpy_pic(dmpi->planes[2],
mpi->planes[2],
mpi->chroma_width,
mpi->chroma_height/2,
dmpi->stride[2]*2,
mpi->stride[2]*2);
}
state=1;
}
} else {
my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0],
mpi->planes[0]+mpi->stride[0], mpi->w, mpi->h/2,
dmpi->stride[0]*2, mpi->stride[0]*2);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1],
mpi->planes[1]+mpi->stride[1],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[1]*2, mpi->stride[1]*2);
my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2],
mpi->planes[2]+mpi->stride[2],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[2]*2, mpi->stride[2]*2);
}
ret = vf_next_put_image(vf, dmpi);
vf->priv->out++;
if (flags & MP_IMGFIELD_REPEAT_FIRST) {
ret |= vf_next_put_image(vf, mpi);
vf->priv->out++;
state=0;
} else {
my_memcpy_pic(dmpi->planes[0],
mpi->planes[0], mpi->w, mpi->h/2,
dmpi->stride[0]*2, mpi->stride[0]*2);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
my_memcpy_pic(dmpi->planes[1],
mpi->planes[1],
mpi->chroma_width,
mpi->chroma_height/2,
dmpi->stride[1]*2,
mpi->stride[1]*2);
my_memcpy_pic(dmpi->planes[2],
mpi->planes[2],
mpi->chroma_width,
mpi->chroma_height/2,
dmpi->stride[2]*2,
mpi->stride[2]*2);
}
}
}
vf->priv->state = state;
return ret;
}
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
}
static void uninit(struct vf_instance_s* vf)
{
mp_msg(MSGT_VFILTER, MSGL_INFO, "softpulldown: %lld frames in, %lld frames out\n", vf->priv->in, vf->priv->out);
free(vf->priv);
}
static int open(vf_instance_t *vf, char* args)
{
struct vf_priv_s *p;
vf->config = config;
vf->put_image = put_image;
vf->uninit = uninit;
vf->default_reqs = VFCAP_ACCEPT_STRIDE;
vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
vf->priv->state = 0;
return 1;
}
vf_info_t vf_info_softpulldown = {
"mpeg2 soft 3:2 pulldown",
"softpulldown",
"Tobias Diedrich <ranma+mplayer@tdiedrich.de>",
"",
open,
NULL
};
|
