mirror of https://github.com/FFmpeg/FFmpeg.git
lavfi/f_setpts.c should allow everything mp=fixpts supports, with a lot of additional control.pull/6/merge
Clément Bœsch
12 years ago
parent
84aed3faf0
commit
2b3597f0d1
5 changed files with 1 additions and 142 deletions
@ -1,137 +0,0 @@ |
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/*
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* This file is part of MPlayer. |
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* |
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* MPlayer is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* MPlayer is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with MPlayer; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include "config.h" |
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#include "mp_msg.h" |
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#include "help_mp.h" |
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#include "img_format.h" |
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#include "mp_image.h" |
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#include "vf.h" |
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struct vf_priv_s { |
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double current; |
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double step; |
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int autostart; |
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int autostep; |
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unsigned have_step:1; |
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unsigned print:1; |
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}; |
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static int put_image(vf_instance_t *vf, mp_image_t *src, double pts) |
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{ |
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struct vf_priv_s *p = vf->priv; |
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if (p->print) { |
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if (pts == MP_NOPTS_VALUE) |
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mp_msg(MSGT_VFILTER, MSGL_INFO, "PTS: undef\n"); |
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else |
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mp_msg(MSGT_VFILTER, MSGL_INFO, "PTS: %f\n", pts); |
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} |
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if (pts != MP_NOPTS_VALUE && p->autostart != 0) { |
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p->current = pts; |
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if (p->autostart > 0) |
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p->autostart--; |
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} else if (pts != MP_NOPTS_VALUE && p->autostep > 0) { |
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p->step = pts - p->current; |
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p->current = pts; |
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p->autostep--; |
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p->have_step = 1; |
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} else if (p->have_step) { |
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p->current += p->step; |
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pts = p->current; |
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} else { |
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pts = MP_NOPTS_VALUE; |
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} |
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return vf_next_put_image(vf, src, pts); |
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} |
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static void uninit(vf_instance_t *vf) |
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{ |
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free(vf->priv); |
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} |
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static int parse_args(struct vf_priv_s *p, const char *args) |
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{ |
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int pos; |
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double num, denom = 1; |
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int iarg; |
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while (*args != 0) { |
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pos = 0; |
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if (sscanf(args, "print%n", &pos) == 0 && pos > 0) { |
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p->print = 1; |
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} else if (sscanf(args, "fps=%lf%n/%lf%n", &num, &pos, &denom, &pos) >= |
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1 && pos > 0) { |
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p->step = denom / num; |
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p->have_step = 1; |
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} else if (sscanf(args, "start=%lf%n", &num, &pos) >= 1 && pos > 0) { |
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p->current = num; |
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} else if (sscanf(args, "autostart=%d%n", &iarg, &pos) == 1 && pos > 0) { |
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p->autostart = iarg; |
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} else if (sscanf(args, "autofps=%d%n", &iarg, &pos) == 1 && pos > 0) { |
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p->autostep = iarg; |
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} else { |
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mp_msg(MSGT_VFILTER, MSGL_FATAL, |
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"fixpts: unknown suboption: %s\n", args); |
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return 0; |
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} |
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args += pos; |
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if (*args == ':') |
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args++; |
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} |
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return 1; |
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} |
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static int open(vf_instance_t *vf, char *args) |
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{ |
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struct vf_priv_s *p; |
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struct vf_priv_s ptmp = { |
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.current = 0, |
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.step = 0, |
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.autostart = 0, |
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.autostep = 0, |
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.have_step = 0, |
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.print = 0, |
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}; |
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if (!parse_args(&ptmp, args == NULL ? "" : args)) |
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return 0; |
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vf->put_image = put_image; |
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vf->uninit = uninit; |
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vf->priv = p = malloc(sizeof(struct vf_priv_s)); |
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*p = ptmp; |
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p->current = -p->step; |
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return 1; |
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} |
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const vf_info_t vf_info_fixpts = { |
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"Fix presentation timestamps", |
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"fixpts", |
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"Nicolas George", |
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"", |
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&open, |
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NULL |
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}; |
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