2 Copyright (C) 2007 Nicolas George <nicolas.george@normalesup.org>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 #include "img_format.h"
37 unsigned have_step
: 1;
41 static int put_image(vf_instance_t
*vf
, mp_image_t
*src
, double pts
)
43 struct vf_priv_s
*p
= vf
->priv
;
46 if(pts
== MP_NOPTS_VALUE
)
47 printf("PTS: undef\n");
49 printf("PTS: %f\n", pts
);
51 if(pts
!= MP_NOPTS_VALUE
&& p
->autostart
!= 0) {
55 } else if(pts
!= MP_NOPTS_VALUE
&& p
->autostep
> 0) {
56 p
->step
= pts
- p
->current
;
60 } else if(p
->have_step
) {
61 p
->current
+= p
->step
;
66 return vf_next_put_image(vf
, src
, pts
);
69 static void uninit(vf_instance_t
*vf
)
74 static int parse_args(struct vf_priv_s
*p
, const char *args
)
77 double num
, denom
= 1;
82 if(sscanf(args
, "print%n", &pos
) == 0 && pos
> 0) {
84 } else if(sscanf(args
, "fps=%lf%n/%lf%n", &num
, &pos
, &denom
, &pos
) >= 1
86 p
->step
= denom
/ num
;
88 } else if(sscanf(args
, "start=%lf%n", &num
, &pos
) >= 1 && pos
> 0) {
90 } else if(sscanf(args
, "autostart=%d%n", &iarg
, &pos
) == 1 && pos
> 0) {
92 } else if(sscanf(args
, "autofps=%d%n", &iarg
, &pos
) == 1 && pos
> 0) {
95 mp_msg(MSGT_VFILTER
, MSGL_FATAL
,
96 "fixpts: unknown suboption: %s\n", args
);
106 static int open(vf_instance_t
*vf
, char *args
)
109 struct vf_priv_s ptmp
= {
118 if(!parse_args(&ptmp
, args
== NULL
? "" : args
))
121 vf
->put_image
= put_image
;
123 vf
->priv
= p
= malloc(sizeof(struct vf_priv_s
));
125 p
->current
= -p
->step
;
130 vf_info_t vf_info_fixpts
= {
131 "Fix presentation timestamps",