mirror of https://github.com/mpv-player/mpv
138 lines
3.5 KiB
C
138 lines
3.5 KiB
C
/*
|
|
* 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 <inttypes.h>
|
|
|
|
#include "config.h"
|
|
#include "mp_msg.h"
|
|
#include "help_mp.h"
|
|
|
|
#include "img_format.h"
|
|
#include "mp_image.h"
|
|
#include "vf.h"
|
|
|
|
struct vf_priv_s {
|
|
double current;
|
|
double step;
|
|
int autostart;
|
|
int autostep;
|
|
unsigned have_step:1;
|
|
unsigned print:1;
|
|
};
|
|
|
|
static int put_image(vf_instance_t *vf, mp_image_t *src, double pts)
|
|
{
|
|
struct vf_priv_s *p = vf->priv;
|
|
|
|
if (p->print) {
|
|
if (pts == MP_NOPTS_VALUE)
|
|
mp_msg(MSGT_VFILTER, MSGL_INFO, "PTS: undef\n");
|
|
else
|
|
mp_msg(MSGT_VFILTER, MSGL_INFO, "PTS: %f\n", pts);
|
|
}
|
|
if (pts != MP_NOPTS_VALUE && p->autostart != 0) {
|
|
p->current = pts;
|
|
if (p->autostart > 0)
|
|
p->autostart--;
|
|
} else if (pts != MP_NOPTS_VALUE && p->autostep > 0) {
|
|
p->step = pts - p->current;
|
|
p->current = pts;
|
|
p->autostep--;
|
|
p->have_step = 1;
|
|
} else if (p->have_step) {
|
|
p->current += p->step;
|
|
pts = p->current;
|
|
} else {
|
|
pts = MP_NOPTS_VALUE;
|
|
}
|
|
return vf_next_put_image(vf, src, pts);
|
|
}
|
|
|
|
static void uninit(vf_instance_t *vf)
|
|
{
|
|
free(vf->priv);
|
|
}
|
|
|
|
static int parse_args(struct vf_priv_s *p, const char *args)
|
|
{
|
|
int pos;
|
|
double num, denom = 1;
|
|
int iarg;
|
|
|
|
while (*args != 0) {
|
|
pos = 0;
|
|
if (sscanf(args, "print%n", &pos) == 0 && pos > 0) {
|
|
p->print = 1;
|
|
} else if (sscanf(args, "fps=%lf%n/%lf%n", &num, &pos, &denom, &pos) >=
|
|
1 && pos > 0) {
|
|
p->step = denom / num;
|
|
p->have_step = 1;
|
|
} else if (sscanf(args, "start=%lf%n", &num, &pos) >= 1 && pos > 0) {
|
|
p->current = num;
|
|
} else if (sscanf(args, "autostart=%d%n", &iarg, &pos) == 1 && pos > 0) {
|
|
p->autostart = iarg;
|
|
} else if (sscanf(args, "autofps=%d%n", &iarg, &pos) == 1 && pos > 0) {
|
|
p->autostep = iarg;
|
|
} else {
|
|
mp_msg(MSGT_VFILTER, MSGL_FATAL,
|
|
"fixpts: unknown suboption: %s\n", args);
|
|
return 0;
|
|
}
|
|
args += pos;
|
|
if (*args == ':')
|
|
args++;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int open(vf_instance_t *vf, char *args)
|
|
{
|
|
struct vf_priv_s *p;
|
|
struct vf_priv_s ptmp = {
|
|
.current = 0,
|
|
.step = 0,
|
|
.autostart = 0,
|
|
.autostep = 0,
|
|
.have_step = 0,
|
|
.print = 0,
|
|
};
|
|
|
|
if (!parse_args(&ptmp, args == NULL ? "" : args))
|
|
return 0;
|
|
|
|
vf->put_image = put_image;
|
|
vf->uninit = uninit;
|
|
vf->priv = p = malloc(sizeof(struct vf_priv_s));
|
|
*p = ptmp;
|
|
p->current = -p->step;
|
|
|
|
return 1;
|
|
}
|
|
|
|
vf_info_t vf_info_fixpts = {
|
|
"Fix presentation timestamps",
|
|
"fixpts",
|
|
"Nicolas George",
|
|
"",
|
|
&open,
|
|
NULL
|
|
};
|