X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fwriter.cc;h=fbe2d248d5c952c3112f1e5f9f7184ae3b4073c3;hb=befbada161a66a16f8ced89773ad11c0ac5c91e5;hp=8863816e868b9b92a9e2b19be5fc65e6dfa7412c;hpb=db4fde2e8983eaa0b76c49a189e059d6c9f5720d;p=dcpomatic.git

diff --git a/src/lib/writer.cc b/src/lib/writer.cc
index 8863816e8..fbe2d248d 100644
--- a/src/lib/writer.cc
+++ b/src/lib/writer.cc
@@ -41,7 +41,9 @@
 #include <dcp/cpl.h>
 #include <dcp/locale_convert.h>
 #include <dcp/raw_convert.h>
+#include <dcp/reel_closed_caption_asset.h>
 #include <dcp/reel_file_asset.h>
+#include <dcp/reel_subtitle_asset.h>
 #include <cerrno>
 #include <cfloat>
 #include <set>
@@ -930,6 +932,22 @@ void
 Writer::write (ReferencedReelAsset asset)
 {
 	_reel_assets.push_back (asset);
+
+	if (dynamic_pointer_cast<dcp::ReelSubtitleAsset>(asset.asset)) {
+		_have_subtitles = true;
+	} else if (auto ccap = dynamic_pointer_cast<dcp::ReelClosedCaptionAsset>(asset.asset)) {
+		/* This feels quite fragile. We have a referenced reel and want to know if it's
+		 * part of a given closed-caption track so that we can fill if it has any
+		 * missing reels.  I guess for that purpose almost any DCPTextTrack values are
+		 * fine so long as they are consistent.
+		 */
+		DCPTextTrack track;
+		track.name = ccap->annotation_text().get_value_or("");
+		track.language = dcp::LanguageTag(ccap->language().get_value_or("en-US"));
+		if (_have_closed_captions.find(track) == _have_closed_captions.end()) {
+			_have_closed_captions.insert(track);
+		}
+	}
 }