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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
/*
* Copyright (C) 2003 Michael Zucchi <notzed@ximian.com>
*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#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"
struct vf_priv_s {
int mode;
int frame;
mp_image_t *dmpi;
};
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts)
{
int ret = 0;
mp_image_t *dmpi;
switch (vf->priv->mode) {
case 0:
dmpi = vf->priv->dmpi;
if (dmpi == NULL) {
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE |
MP_IMGFLAG_PRESERVE,
mpi->width, mpi->height*2);
vf->priv->dmpi = dmpi;
memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h,
dmpi->stride[0]*2, mpi->stride[0]);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
memcpy_pic(dmpi->planes[1], mpi->planes[1],
mpi->chroma_width, mpi->chroma_height,
dmpi->stride[1]*2, mpi->stride[1]);
memcpy_pic(dmpi->planes[2], mpi->planes[2],
mpi->chroma_width, mpi->chroma_height,
dmpi->stride[2]*2, mpi->stride[2]);
}
} else {
vf->priv->dmpi = NULL;
memcpy_pic(dmpi->planes[0]+dmpi->stride[0], mpi->planes[0], mpi->w, mpi->h,
dmpi->stride[0]*2, mpi->stride[0]);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
memcpy_pic(dmpi->planes[1]+dmpi->stride[1], mpi->planes[1],
mpi->chroma_width, mpi->chroma_height,
dmpi->stride[1]*2, mpi->stride[1]);
memcpy_pic(dmpi->planes[2]+dmpi->stride[2], mpi->planes[2],
mpi->chroma_width, mpi->chroma_height,
dmpi->stride[2]*2, mpi->stride[2]);
}
ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
}
break;
case 1:
if (vf->priv->frame & 1)
ret = vf_next_put_image(vf, mpi, MP_NOPTS_VALUE);
break;
case 2:
if ((vf->priv->frame & 1) == 0)
ret = vf_next_put_image(vf, mpi, MP_NOPTS_VALUE);
break;
case 3:
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->width, mpi->height*2);
/* fixme, just clear alternate lines */
vf_mpi_clear(dmpi, 0, 0, dmpi->w, dmpi->h);
if ((vf->priv->frame & 1) == 0) {
memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h,
dmpi->stride[0]*2, mpi->stride[0]);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
memcpy_pic(dmpi->planes[1], mpi->planes[1],
mpi->chroma_width, mpi->chroma_height,
dmpi->stride[1]*2, mpi->stride[1]);
memcpy_pic(dmpi->planes[2], mpi->planes[2],
mpi->chroma_width, mpi->chroma_height,
dmpi->stride[2]*2, mpi->stride[2]);
}
} else {
memcpy_pic(dmpi->planes[0]+dmpi->stride[0], mpi->planes[0], mpi->w, mpi->h,
dmpi->stride[0]*2, mpi->stride[0]);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
memcpy_pic(dmpi->planes[1]+dmpi->stride[1], mpi->planes[1],
mpi->chroma_width, mpi->chroma_height,
dmpi->stride[1]*2, mpi->stride[1]);
memcpy_pic(dmpi->planes[2]+dmpi->stride[2], mpi->planes[2],
mpi->chroma_width, mpi->chroma_height,
dmpi->stride[2]*2, mpi->stride[2]);
}
}
ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
break;
case 4:
// Interleave even lines (only) from Frame 'i' with odd
// lines (only) from Frame 'i+1', halving the Frame
// rate and preserving image height.
dmpi = vf->priv->dmpi;
// @@ Need help: Should I set dmpi->fields to indicate
// that the (new) frame will be interlaced!? E.g. ...
// dmpi->fields |= MP_IMGFIELD_INTERLACED;
// dmpi->fields |= MP_IMGFIELD_TOP_FIRST;
// etc.
if (dmpi == NULL) {
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE |
MP_IMGFLAG_PRESERVE,
mpi->width, mpi->height);
vf->priv->dmpi = dmpi;
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);
}
} else {
vf->priv->dmpi = NULL;
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, MP_NOPTS_VALUE);
}
break;
}
vf->priv->frame++;
return ret;
}
static int query_format(struct vf_instance_s* vf, unsigned int fmt)
{
/* FIXME - figure out which other formats work */
switch (fmt) {
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
return vf_next_query_format(vf, fmt);
}
return 0;
}
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
switch (vf->priv->mode) {
case 0:
case 3:
return vf_next_config(vf,width,height*2,d_width,d_height*2,flags,outfmt);
case 1: /* odd frames */
case 2: /* even frames */
case 4: /* alternate frame (height-preserving) interlacing */
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
}
return 0;
}
static void uninit(struct vf_instance_s* vf)
{
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->query_format = query_format;
vf->uninit = uninit;
vf->default_reqs = VFCAP_ACCEPT_STRIDE;
vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
vf->priv->mode = 0;
if (args)
sscanf(args, "%d", &vf->priv->mode);
vf->priv->frame = 0;
return 1;
}
const vf_info_t vf_info_tinterlace = {
"temporal field interlacing",
"tinterlace",
"Michael Zucchi",
"",
open,
NULL
};
|
