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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| /* | ||
| * 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 | ||
| }; |
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