Add interface to set up still image lengths.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/lib/sndfile_content.h b/src/lib/sndfile_content.h
index 90845ba08..b696b57a5 100644
--- a/src/lib/sndfile_content.h
+++ b/src/lib/sndfile_content.h
@@ -28,6 +28,10 @@ class SndfileContent : public AudioContent
 public:
 	SndfileContent (boost::filesystem::path);
 	SndfileContent (boost::shared_ptr<const cxml::Node>);
+
+	boost::shared_ptr<SndfileContent> shared_from_this () {
+		return boost::dynamic_pointer_cast<SndfileContent> (Content::shared_from_this ());
+	}
 	
 	std::string summary () const;
 	std::string information () const;