+ emit (bind(boost::ref(Progress), _("Examining closed captions")));
+
+ shared_ptr<Player> player (new Player (film, film->playlist ()));
+ player->set_ignore_video ();
+ player->set_ignore_audio ();
+ player->Text.connect (bind(&Hints::text, this, _1, _2, _3));
+ while (!player->pass ()) {
+ bind (boost::ref(Pulse));
+ }
+
+ emit (bind(boost::ref(Finished)));
+}
+
+void
+Hints::hint (string h)
+{
+ emit(bind(boost::ref(Hint), h));
+}
+
+void
+Hints::text (PlayerText text, TextType type, DCPTimePeriod period)
+{
+ if (type != TEXT_CLOSED_CAPTION) {
+ return;
+ }
+
+ int lines = text.string.size();
+ BOOST_FOREACH (StringText i, text.string) {
+ if (i.text().length() > CLOSED_CAPTION_LENGTH) {
+ ++lines;
+ if (!_long_ccap) {
+ _long_ccap = true;
+ hint (String::compose(_("Some of your closed captions have lines longer than %1 characters, so they will probably be word-wrapped."), CLOSED_CAPTION_LENGTH));
+ }
+ }
+ }
+
+ if (!_too_many_ccap_lines && lines > CLOSED_CAPTION_LINES) {
+ hint (String::compose(_("Some of your closed captions span more than %1 lines, so they will be truncated."), CLOSED_CAPTION_LINES));
+ _too_many_ccap_lines = true;
+ }
+
+ if (!_overlap_ccap && _last && _last->overlap(period)) {
+ _overlap_ccap = true;
+ hint (_("You have overlapping closed captions, which are not allowed."));
+ }
+
+ _last = period;