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
|
/*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stdbool.h>
#include <sys/stat.h>
#include <libswscale/swscale.h>
#include "config.h"
#include "bstr.h"
#include "osdep/io.h"
#include "path.h"
#include "talloc.h"
#include "mp_msg.h"
#include "libvo/video_out.h"
#include "libvo/csputils.h"
#include "libmpcodecs/vfcap.h"
#include "libmpcodecs/mp_image.h"
#include "fmt-conversion.h"
#include "image_writer.h"
#include "m_config.h"
#include "m_option.h"
struct priv {
struct image_writer_opts *opts;
char *outdir;
int frame;
uint32_t d_width;
uint32_t d_height;
struct mp_csp_details colorspace;
};
static bool checked_mkdir(const char *buf)
{
mp_msg(MSGT_VO, MSGL_INFO, "[vo_image] Creating output directory '%s'...\n",
buf);
if (mkdir(buf, 0755) < 0) {
char *errstr = strerror(errno);
if (errno == EEXIST) {
struct stat stat_p;
if (mp_stat(buf, &stat_p ) == 0 && S_ISDIR(stat_p.st_mode))
return true;
}
mp_msg(MSGT_VO, MSGL_ERR, "[vo_image] Error creating output directory"
": %s\n", errstr);
return false;
}
return true;
}
static int config(struct vo *vo, uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height, uint32_t flags,
uint32_t format)
{
struct priv *p = vo->priv;
p->d_width = d_width;
p->d_height = d_height;
if (p->outdir && vo->config_count < 1)
if (!checked_mkdir(p->outdir))
return -1;
return 0;
}
static void check_events(struct vo *vo)
{
}
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
}
static void flip_page(struct vo *vo)
{
}
static uint32_t draw_image(struct vo *vo, mp_image_t *mpi)
{
struct priv *p = vo->priv;
mp_image_t img = *mpi;
img.width = p->d_width;
img.height = p->d_height;
void *t = talloc_new(NULL);
char *filename = talloc_asprintf(t, "%08d.%s", p->frame,
image_writer_file_ext(p->opts));
if (p->outdir && strlen(p->outdir))
filename = mp_path_join(t, bstr0(p->outdir), bstr0(filename));
mp_msg(MSGT_VO, MSGL_STATUS, "\nSaving %s\n", filename);
write_image(&img, &p->colorspace, p->opts, filename);
talloc_free(t);
(p->frame)++;
return VO_TRUE;
}
static int query_format(struct vo *vo, uint32_t fmt)
{
enum PixelFormat av_format = imgfmt2pixfmt(fmt);
// NOTE: accept everything that can be converted by swscale. screenshot.c
// always wants RGB (at least for now), but it probably doesn't matter
// whether we or screenshot.c do the conversion.
if (av_format != PIX_FMT_NONE && sws_isSupportedInput(av_format))
return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW |
VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN;
return 0;
}
static void uninit(struct vo *vo)
{
}
static int preinit(struct vo *vo, const char *arg)
{
return 0;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct priv *p = vo->priv;
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(vo, *(uint32_t *)data);
case VOCTRL_DRAW_IMAGE:
return draw_image(vo, data);
case VOCTRL_SET_YUV_COLORSPACE:
p->colorspace = *(struct mp_csp_details *)data;
return true;
case VOCTRL_GET_YUV_COLORSPACE:
*(struct mp_csp_details *)data = p->colorspace;
return true;
// prevent random frame stepping by frontend
case VOCTRL_REDRAW_FRAME:
return true;
}
return VO_NOTIMPL;
}
#undef OPT_BASE_STRUCT
#define OPT_BASE_STRUCT struct priv
const struct vo_driver video_out_image =
{
.is_new = true,
.info = &(const vo_info_t) {
"Write video frames to image files",
"image",
"wm4",
""
},
.priv_size = sizeof(struct priv),
.priv_defaults = &(const struct priv) {
.colorspace = MP_CSP_DETAILS_DEFAULTS,
},
.options = (const struct m_option[]) {
OPT_SUBSTRUCT(opts, image_writer_conf, M_OPT_MERGE),
OPT_STRING("outdir", outdir, 0),
{0},
},
.preinit = preinit,
.config = config,
.control = control,
.draw_osd = draw_osd,
.flip_page = flip_page,
.check_events = check_events,
.uninit = uninit,
};
|
