Tidying a few things up.

1 files changed, 7 insertions, 3 deletions

diff --git a/src/reel_interop_closed_caption_asset.h b/src/reel_interop_closed_caption_asset.h
index bb5b5cec..ec954346 100644
--- a/src/reel_interop_closed_caption_asset.h
+++ b/src/reel_interop_closed_caption_asset.h
@@ -54,12 +54,16 @@ public:
 	ReelInteropClosedCaptionAsset (std::shared_ptr<InteropSubtitleAsset> asset, Fraction edit_rate, int64_t instrinsic_duration, int64_t entry_point);
 	explicit ReelInteropClosedCaptionAsset (std::shared_ptr<const cxml::Node>);
 
-	xmlpp::Node* write_to_cpl (xmlpp::Node* node, Standard standard) const override;
+	std::shared_ptr<const InteropSubtitleAsset> interop_asset () const {
+		return asset_of_type<const InteropSubtitleAsset>();
+	}
 
-	std::shared_ptr<InteropSubtitleAsset> interop_asset () const {
-		return std::dynamic_pointer_cast<InteropSubtitleAsset>(asset());
+	std::shared_ptr<InteropSubtitleAsset> interop_asset () {
+		return asset_of_type<InteropSubtitleAsset>();
 	}
 
+	xmlpp::Node* write_to_cpl (xmlpp::Node* node, Standard standard) const override;
+
 private:
 	std::string cpl_node_name (Standard) const;
 	std::pair<std::string, std::string> cpl_node_namespace () const override;