X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fresampled_source.h;h=0c90581a29a0d6f8184d787cf027bc4260ddf71b;hb=cd5847300396cb68c9ef393128c7cceb488483fd;hp=1f6947aeaca49c85055a6a0cbf2e6c6677153290;hpb=3b54a75aa9c03edb32d3960c5aacba640e1901e0;p=ardour.git

diff --git a/libs/ardour/ardour/resampled_source.h b/libs/ardour/ardour/resampled_source.h
index 1f6947aeac..0c90581a29 100644
--- a/libs/ardour/ardour/resampled_source.h
+++ b/libs/ardour/ardour/resampled_source.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2007 Paul Davis 
+    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
@@ -22,33 +22,41 @@
 
 #include <samplerate.h>
 
+#include "ardour/libardour_visibility.h"
 #include "ardour/types.h"
 #include "ardour/importable_source.h"
 
 namespace ARDOUR {
 
-class ResampledImportableSource : public ImportableSource 
+class LIBARDOUR_API ResampledImportableSource : public ImportableSource
 {
   public:
-	ResampledImportableSource (boost::shared_ptr<ImportableSource>, nframes_t rate, SrcQuality);
+	ResampledImportableSource (boost::shared_ptr<ImportableSource>, framecnt_t rate, SrcQuality);
 
 	~ResampledImportableSource ();
-	
-	nframes_t read (Sample* buffer, nframes_t nframes);
-	float ratio() const { return src_data.src_ratio; }
-	uint32_t channels() const { return source->channels(); }
-	nframes_t length() const { return source->length(); }
-	nframes_t samplerate() const { return source->samplerate(); }
-	void      seek (nframes_t pos) { source->seek (pos); }
-	nframes64_t natural_position() const { return source->natural_position(); }
-	
+
+	framecnt_t read (Sample* buffer, framecnt_t nframes);
+	float      ratio() const { return _src_data.src_ratio; }
+	uint32_t   channels() const { return source->channels(); }
+	framecnt_t length() const { return source->length(); }
+	framecnt_t samplerate() const { return source->samplerate(); }
+	void       seek (framepos_t);
+	framepos_t natural_position() const;
+
+	bool clamped_at_unity () const {
+		/* resampling may generate inter-sample peaks with magnitude > 1 */
+		return false;
+	}
+
 	static const uint32_t blocksize;
-	
+
    private:
 	boost::shared_ptr<ImportableSource> source;
-        float* input;
-	SRC_STATE*	src_state;
-	SRC_DATA	src_data;
+	float*          _input;
+	int             _src_type;
+	SRC_STATE*      _src_state;
+	SRC_DATA        _src_data;
+	bool            _end_of_input;
 };
 
 }