1 files changed, 6 insertions, 24 deletions
diff --git a/libs/ardour/ardour/importable_source.h b/libs/ardour/ardour/importable_source.h
index 5845d841b6..a33cf567e7 100644
--- a/libs/ardour/ardour/importable_source.h
+++ b/libs/ardour/ardour/importable_source.h
@@ -20,7 +20,6 @@
 #ifndef __ardour_importable_source_h__
 #define __ardour_importable_source_h__
 
-#include <sndfile.h>
 #include <pbd/failed_constructor.h>
 #include <ardour/types.h>
 
@@ -28,32 +27,15 @@ namespace ARDOUR {
 
 class ImportableSource {
 public:
-	ImportableSource (const std::string& path)
-		: in (sf_open (path.c_str(), SFM_READ, &sf_info), sf_close)
-	{
-		if (!in) throw failed_constructor();
-	
-	}
-	
+	ImportableSource () {}
 	virtual ~ImportableSource() {}
 
-	virtual nframes_t read (Sample* buffer, nframes_t nframes) {
-		nframes_t per_channel = nframes / sf_info.channels;
-		per_channel = sf_readf_float (in.get(), buffer, per_channel);
-		return per_channel * sf_info.channels;
-	}
-
+	virtual nframes_t read (Sample* buffer, nframes_t nframes) = 0;
 	virtual float ratio() const { return 1.0f; }
-
-	uint channels() const { return sf_info.channels; }
-
-	nframes_t length() const { return sf_info.frames; }
-
-	nframes_t samplerate() const { return sf_info.samplerate; }
-
-protected:
-	SF_INFO sf_info;
-	boost::shared_ptr<SNDFILE> in;
+	virtual uint32_t channels() const = 0;
+	virtual nframes_t length() const = 0;
+	virtual nframes_t samplerate() const = 0;
+	virtual void      seek (nframes_t pos) = 0;
 };
 
 }