--- /dev/null
+/*
+ Copyright (C) 2007 Paul Davis
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_importable_source_h__
+#define __ardour_importable_source_h__
+
+#include <sndfile.h>
+#include <ardour/types.h>
+
+namespace ARDOUR {
+
+class ImportableSource {
+ public:
+ ImportableSource (SNDFILE* sf, SF_INFO* info) : in (sf), sf_info (info) {}
+ 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, buffer, per_channel);
+ return per_channel * sf_info->channels;
+ }
+
+ virtual float ratio() const { return 1.0f; }
+
+protected:
+ SNDFILE* in;
+ SF_INFO* sf_info;
+};
+
+}
+
+#endif /* __ardour_importable_source_h__ */