src/lib/subrip_decoder.cc

   1 /*
   2     Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
   3
   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.
   8
   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.
  13
  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., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <dcp/subtitle_string.h>
  21 #include "subrip_decoder.h"
  22
  23 using std::list;
  24 using boost::shared_ptr;
  25
  26 SubRipDecoder::SubRipDecoder (shared_ptr<const SubRipContent> content)
  27         : SubRip (content)
  28         , _next (0)
  29 {
  30
  31 }
  32
  33 void
  34 SubRipDecoder::seek (ContentTime time, bool accurate)
  35 {
  36         SubtitleDecoder::seek (time, accurate);
  37
  38         _next = 0;
  39         list<SubRipSubtitlePiece>::const_iterator i = _subtitles[_next].pieces.begin();
  40         while (i != _subtitles[_next].pieces.end() && _subtitles[_next].from < time) {
  41                 ++i;
  42         }
  43
  44 }
  45
  46 bool
  47 SubRipDecoder::pass ()
  48 {
  49         if (_next >= _subtitles.size ()) {
  50                 return true;
  51         }
  52
  53         list<dcp::SubtitleString> out;
  54         for (list<SubRipSubtitlePiece>::const_iterator i = _subtitles[_next].pieces.begin(); i != _subtitles[_next].pieces.end(); ++i) {
  55                 out.push_back (
  56                         dcp::SubtitleString (
  57                                 "Arial",
  58                                 i->italic,
  59                                 dcp::Color (255, 255, 255),
  60                                 72,
  61                                 dcp::Time (rint (_subtitles[_next].from.seconds() * 250)),
  62                                 dcp::Time (rint (_subtitles[_next].to.seconds() * 250)),
  63                                 0.9,
  64                                 dcp::BOTTOM,
  65                                 i->text,
  66                                 dcp::NONE,
  67                                 dcp::Color (255, 255, 255),
  68                                 0,
  69                                 0
  70                                 )
  71                         );
  72         }
  73
  74         text_subtitle (out);
  75         _next++;
  76         return false;
  77 }