6 files changed, 8 insertions, 2 deletions
diff --git a/libs/ardour/ardour/coreaudiosource.h b/libs/ardour/ardour/coreaudiosource.h
index f12a67ded7..5e8e696bf9 100644
--- a/libs/ardour/ardour/coreaudiosource.h
+++ b/libs/ardour/ardour/coreaudiosource.h
@@ -48,6 +48,7 @@ class LIBARDOUR_API CoreAudioSource : public AudioFileSource {
 	static int get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg);
 
   protected:
+	void close ();
 	framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const;
 	framecnt_t write_unlocked (Sample *, framecnt_t) { return 0; }
 
diff --git a/libs/ardour/ardour/file_source.h b/libs/ardour/ardour/file_source.h
index 4f313c5eac..0929c3303f 100644
--- a/libs/ardour/ardour/file_source.h
+++ b/libs/ardour/ardour/file_source.h
@@ -89,9 +89,9 @@ public:
 	 */
 	int rename (const std::string& name);
 
-	virtual void release_descriptor () {}
+	virtual void close () = 0;
 
-protected:
+  protected:
 	FileSource (Session& session, DataType type,
 	            const std::string& path,
 	            const std::string& origin,
diff --git a/libs/ardour/ardour/silentfilesource.h b/libs/ardour/ardour/silentfilesource.h
index cf6462247a..80f4b361b2 100644
--- a/libs/ardour/ardour/silentfilesource.h
+++ b/libs/ardour/ardour/silentfilesource.h
@@ -40,6 +40,7 @@ public:
 	bool clamped_at_unity() const { return false; }
 
 protected:
+	void close() {}
 	friend class SourceFactory;
 
 	SilentFileSource (Session& s, const XMLNode& x, framecnt_t len, float srate)
diff --git a/libs/ardour/ardour/smf_source.h b/libs/ardour/ardour/smf_source.h
index d088f2d867..35e0c89297 100644
--- a/libs/ardour/ardour/smf_source.h
+++ b/libs/ardour/ardour/smf_source.h
@@ -72,6 +72,7 @@ public:
 	void prevent_deletion ();
 
   protected:
+	void close ();
 	void set_path (const std::string& newpath);
 	void flush_midi (const Lock& lock);
 
diff --git a/libs/ardour/ardour/sndfilesource.h b/libs/ardour/ardour/sndfilesource.h
index 11ec6fe33c..5a4a11515c 100644
--- a/libs/ardour/ardour/sndfilesource.h
+++ b/libs/ardour/ardour/sndfilesource.h
@@ -75,6 +75,8 @@ class LIBARDOUR_API SndFileSource : public AudioFileSource {
 	static int get_soundfile_info (const std::string& path, SoundFileInfo& _info, std::string& error_msg);
 
   protected:
+	void close ();
+
 	void set_path (const std::string& p);
 	void set_header_timeline_position ();
 
diff --git a/libs/ardour/ardour/srcfilesource.h b/libs/ardour/ardour/srcfilesource.h
index 78564c8b88..073329cc29 100644
--- a/libs/ardour/ardour/srcfilesource.h
+++ b/libs/ardour/ardour/srcfilesource.h
@@ -52,6 +52,7 @@ public:
 	bool clamped_at_unity() const { return false; }
 
 protected:
+	void close ();
 	framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const;
 	framecnt_t write_unlocked (Sample */*dst*/, framecnt_t /*cnt*/) { return 0; }