sub/dec_sub.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer 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.
   8  *
   9  * MPlayer 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.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdlib.h>
  20 #include <stdbool.h>
  21 #include <assert.h>
  22
  23 #include "config.h"
  24 #include "libmpdemux/stheader.h"
  25 #include "sd.h"
  26 #include "dec_sub.h"
  27 #include "options.h"
  28
  29 extern const struct sd_functions sd_ass;
  30
  31 void sub_init(struct sh_sub *sh, struct osd_state *osd)
  32 {
  33     struct MPOpts *opts = sh->opts;
  34
  35 #ifdef CONFIG_ASS
  36     if (opts->ass_enabled && is_text_sub(sh->type))
  37         sh->sd_driver = &sd_ass;
  38 #endif
  39     if (sh->sd_driver) {
  40         sh->sd_driver->init(sh, osd);
  41         sh->initialized = true;
  42         sh->active = true;
  43     }
  44 }
  45
  46 void sub_decode(struct sh_sub *sh, struct osd_state *osd, void *data,
  47                 int data_len, double pts, double duration)
  48 {
  49     if (sh->active && sh->sd_driver->decode)
  50         sh->sd_driver->decode(sh, osd, data, data_len, pts, duration);
  51 }
  52
  53 void sub_reset(struct sh_sub *sh, struct osd_state *osd)
  54 {
  55     if (sh->active && sh->sd_driver->reset)
  56         sh->sd_driver->reset(sh, osd);
  57 }
  58
  59 void sub_switchoff(struct sh_sub *sh, struct osd_state *osd)
  60 {
  61     if (sh->active && sh->sd_driver->switch_off)
  62         sh->sd_driver->switch_off(sh, osd);
  63     sh->active = false;
  64 }
  65
  66 void sub_uninit(struct sh_sub *sh)
  67 {
  68     assert (!sh->active);
  69     if (sh->initialized && sh->sd_driver->uninit)
  70         sh->sd_driver->uninit(sh);
  71     sh->initialized = false;
  72 }