+ if (!strings.empty() && (strings.back().in() != is->in() || strings.back().out() != is->out())) {
+ dcp::SubtitleString b = strings.back();
+ decoder->emit_plain (
+ ContentTimePeriod (
+ ContentTime::from_frames(_offset - entry_point, vfr) + ContentTime::from_seconds(b.in().as_seconds()),
+ ContentTime::from_frames(_offset - entry_point, vfr) + ContentTime::from_seconds(b.out().as_seconds())
+ ),
+ strings
+ );
+ strings.clear ();
+ }
+
+ strings.push_back (*is);
+ }
+
+ /* XXX: perhaps these image subs should also be collected together like the string ones are;
+ this would need to be done both here and in DCPSubtitleDecoder.
+ */
+
+ shared_ptr<dcp::SubtitleImage> ii = dynamic_pointer_cast<dcp::SubtitleImage> (i);
+ if (ii) {
+ emit_subtitle_image (