Basic grunt-work, untested and unfinished, but it compiles.
[dcpomatic.git] / src / lib / text_subtitle_decoder.cc
index ecca5188be349441a1ddb0e09c9ebcd426993384..b59808728607680c94a2b24549daa23baa3e318b 100644 (file)
@@ -34,133 +34,35 @@ using boost::shared_ptr;
 using boost::optional;
 using boost::dynamic_pointer_cast;
 
-TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr<const TextSubtitleContent> content)
+TextSubtitleDecoder::TextSubtitleDecoder (shared_ptr<const TextSubtitleContent> content, shared_ptr<Log> log)
        : TextSubtitle (content)
        , _next (0)
 {
-       subtitle.reset (
-               new SubtitleDecoder (
-                       this,
-                       content->subtitle,
-                       bind (&TextSubtitleDecoder::image_subtitles_during, this, _1, _2),
-                       bind (&TextSubtitleDecoder::text_subtitles_during, this, _1, _2)
-                       )
-               );
+       subtitle.reset (new SubtitleDecoder (this, content->subtitle, log));
 }
 
 void
-TextSubtitleDecoder::seek (ContentTime time, bool accurate)
+TextSubtitleDecoder::seek (ContentTime time, bool)
 {
-       subtitle->seek (time, accurate);
-
        _next = 0;
        while (_next < _subtitles.size() && ContentTime::from_seconds (_subtitles[_next].from.all_as_seconds ()) < time) {
                ++_next;
        }
 }
 
-bool
-TextSubtitleDecoder::pass (PassReason, bool)
+void
+TextSubtitleDecoder::pass ()
 {
        if (_next >= _subtitles.size ()) {
-               return true;
-       }
-
-       list<dcp::SubtitleString> out;
-
-       /* See if our next subtitle needs to be placed on screen by us */
-       bool needs_placement = false;
-       BOOST_FOREACH (sub::Line i, _subtitles[_next].lines) {
-               if (!i.vertical_position.reference && i.vertical_position.reference.get() == sub::TOP_OF_SUBTITLE) {
-                       needs_placement = true;
-               }
-       }
-
-       BOOST_FOREACH (sub::Line i, _subtitles[_next].lines) {
-               BOOST_FOREACH (sub::Block j, i.blocks) {
-
-                       float v_position;
-                       dcp::VAlign v_align;
-                       if (needs_placement) {
-                               DCPOMATIC_ASSERT (i.vertical_position.line);
-                               /* This 0.878 is an arbitrary value to lift the bottom sub off the bottom
-                                  of the screen a bit to a pleasing degree.
-                               */
-                               v_position = 0.878 + i.vertical_position.line.get() * 1.5 / 22;
-                               v_align = dcp::VALIGN_BOTTOM;
-                       } else {
-                               DCPOMATIC_ASSERT (i.vertical_position.proportional);
-                               DCPOMATIC_ASSERT (i.vertical_position.reference);
-                               v_position = i.vertical_position.proportional.get();
-                               switch (i.vertical_position.reference.get()) {
-                               case sub::TOP_OF_SCREEN:
-                                       v_align = dcp::VALIGN_TOP;
-                                       break;
-                               case sub::CENTRE_OF_SCREEN:
-                                       v_align = dcp::VALIGN_CENTER;
-                                       break;
-                               case sub::BOTTOM_OF_SCREEN:
-                                       v_align = dcp::VALIGN_BOTTOM;
-                                       break;
-                               default:
-                                       v_align = dcp::VALIGN_TOP;
-                                       break;
-                               }
-                       }
-
-                       out.push_back (
-                               dcp::SubtitleString (
-                                       TextSubtitleContent::font_id,
-                                       j.italic,
-                                       j.bold,
-                                       /* force the colour to whatever is configured */
-                                       subtitle->content()->colour(),
-                                       j.font_size.points (72 * 11),
-                                       1.0,
-                                       dcp::Time (_subtitles[_next].from.all_as_seconds(), 1000),
-                                       dcp::Time (_subtitles[_next].to.all_as_seconds(), 1000),
-                                       0,
-                                       dcp::HALIGN_CENTER,
-                                       v_position,
-                                       v_align,
-                                       dcp::DIRECTION_LTR,
-                                       j.text,
-                                       subtitle->content()->outline() ? dcp::BORDER : dcp::NONE,
-                                       subtitle->content()->outline_colour(),
-                                       dcp::Time (0, 1000),
-                                       dcp::Time (0, 1000)
-                                       )
-                               );
-               }
+               return;
        }
 
-       subtitle->give_text (content_time_period (_subtitles[_next]), out);
+       ContentTimePeriod const p = content_time_period (_subtitles[_next]);
+       subtitle->emit_text (p, _subtitles[_next]);
+       subtitle->set_position (p.from);
 
        ++_next;
-       return false;
-}
-
-list<ContentTimePeriod>
-TextSubtitleDecoder::image_subtitles_during (ContentTimePeriod, bool) const
-{
-       return list<ContentTimePeriod> ();
-}
-
-list<ContentTimePeriod>
-TextSubtitleDecoder::text_subtitles_during (ContentTimePeriod p, bool starting) const
-{
-       /* XXX: inefficient */
-
-       list<ContentTimePeriod> d;
-
-       for (vector<sub::Subtitle>::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
-               ContentTimePeriod t = content_time_period (*i);
-               if ((starting && p.contains (t.from)) || (!starting && p.overlaps (t))) {
-                       d.push_back (t);
-               }
-       }
-
-       return d;
+       return;
 }
 
 ContentTimePeriod