3 files changed, 81 insertions, 39 deletions

diff --git a/externals/grill/xsample/source/groove.cpp b/externals/grill/xsample/source/groove.cpp
index d76e3776..2a7cbeec 100644
--- a/externals/grill/xsample/source/groove.cpp
+++ b/externals/grill/xsample/source/groove.cpp
@@ -341,22 +341,44 @@ void xgroove::s_pos_loop(int n,t_sample *const *invecs,t_sample *const *outvecs)
 	if(plen > 0) {
 		register double o = curpos;
 
-		for(int i = 0; i < n; ++i) {	
-			const t_sample spd = speed[i];  // must be first because the vector is reused for output!
+        if(wrap && smin < 0 && smax >= buf.Frames()) {
+		    for(int i = 0; i < n; ++i) {	
+			    const t_sample spd = speed[i];  // must be first because the vector is reused for output!
+
+			    // normalize offset
+			    if(!(o < smax)) {  // faster than o >= smax
+				    o = fmod(o-smin,plen)+smin;
+				    lpbang = true;
+			    }
+			    else if(o < smin) {
+				    o = fmod(o-smin,plen)+smax; 
+				    lpbang = true;
+			    }
 
-			// normalize offset
-			if(!(o < smax)) {  // faster than o >= smax
-				o = fmod(o-smin,plen)+smin;
-				lpbang = true;
-			}
-			else if(o < smin) {
-				o = fmod(o-smin,plen)+smax; 
-				lpbang = true;
-			}
+                // TODO normalize to 0...buf.Frames()
+			    pos[i] = o;
+			    o += spd;
+		    }
+        }
+        else {
+		    for(int i = 0; i < n; ++i) {	
+			    const t_sample spd = speed[i];  // must be first because the vector is reused for output!
+
+			    // normalize offset
+			    if(!(o < smax)) {  // faster than o >= smax
+				    o = fmod(o-smin,plen)+smin;
+				    lpbang = true;
+			    }
+			    else if(o < smin) {
+				    o = fmod(o-smin,plen)+smax; 
+				    lpbang = true;
+			    }
+
+			    pos[i] = o;
+			    o += spd;
+		    }
+        }
 
-			pos[i] = o;
-			o += spd;
-		}
 		// normalize and store current playing position
 		setpos(o);
 
@@ -667,13 +689,15 @@ bool xgroove::do_xzone()
 		long lack = CASTINT<long>(ceil((xzone*2.f-(znsmax-znsmin))/2.f));
 		if(lack > 0) znsmin -= lack,znsmax += lack;
 
-		// check buffer limits and shift bounds if necessary
-		if(znsmin < 0) {
-			znsmax -= znsmin;
-			znsmin = 0;
-		}
-		if(znsmax > frames) 
-            znsmax = frames;
+        if(!wrap) {
+		    // check buffer limits and shift bounds if necessary
+		    if(znsmin < 0) {
+			    znsmax -= znsmin;
+			    znsmin = 0;
+		    }
+		    if(znsmax > frames) 
+                znsmax = frames;
+        }
 	}
 	else if(xfade == xsf_keeplooplen) { 
 		// try to keep loop length
@@ -689,16 +713,18 @@ bool xgroove::do_xzone()
 		znsmin = curmin-hzone;
 		znsmax = curmax+hzone;
 
-		// check buffer limits and shift bounds if necessary
-		// both cases can't happen because of xzone having been limited above
-		if(znsmin < 0) {
-			znsmax -= znsmin;
-			znsmin = 0;
-		}
-		else if(znsmax > frames) {
-			znsmin -= znsmax-frames;
-			znsmax = frames;
-		}
+        if(!wrap) {
+		    // check buffer limits and shift bounds if necessary
+		    // both cases can't happen because of xzone having been limited above
+		    if(znsmin < 0) {
+			    znsmax -= znsmin;
+			    znsmin = 0;
+		    }
+		    else if(znsmax > frames) {
+			    znsmin -= znsmax-frames;
+			    znsmax = frames;
+		    }
+        }
 	}
 	else if(xfade == xsf_keeplooppos) { 
 		// try to keep loop position and length
diff --git a/externals/grill/xsample/source/main.cpp b/externals/grill/xsample/source/main.cpp
index df0c1456..c62df461 100644
--- a/externals/grill/xsample/source/main.cpp
+++ b/externals/grill/xsample/source/main.cpp
@@ -49,7 +49,7 @@ void xsample::setup(t_classid c)
 }
 
 xsample::xsample():
-    update(xsc_all),
+    update(xsc_all),wrap(false),
 #if FLEXT_SYS == FLEXT_SYS_MAX
 	unitmode(xsu_ms),	   // Max/MSP defaults to milliseconds
 #else
@@ -168,12 +168,18 @@ void xsample::DoUpdate(unsigned int flags)
 
     if(flags&xsc_range && buf.Ok()) {
 		const int f = buf.Frames();
-		
-        if(curmin < 0) curmin = 0;
-		else if(curmin > f) curmin = f;
-		
-        if(curmax > f) curmax = f;
-		else if(curmax < curmin) curmax = curmin;		
+
+        if(!wrap) {
+            // normalize bounds
+            if(curmin < 0) curmin = 0;
+		    else if(curmin > f) curmin = f;
+    		
+            if(curmax > f) curmax = f;
+		    else if(curmax < curmin) curmax = curmin;
+        }
+        else
+            // don't normalize
+		    if(curmax < curmin) curmax = curmin;
     }
 
     if(flags&xsc_units) {
diff --git a/externals/grill/xsample/source/main.h b/externals/grill/xsample/source/main.h
index 6fb1bd2c..9d9f94b8 100644
--- a/externals/grill/xsample/source/main.h
+++ b/externals/grill/xsample/source/main.h
@@ -15,7 +15,7 @@ WARRANTIES, see the file, "license.txt," in this distribution.
 #error You need at least flext version 0.5.0
 #endif
 
-#define XSAMPLE_VERSION "0.3.1"
+#define XSAMPLE_VERSION "0.3.2pre"
 
 extern "C++" {
 
@@ -191,6 +191,12 @@ protected:
         Refresh(); 
     }
 
+    void m_wrap(bool w)
+    {
+        wrap = w;
+        Update(xsc_pos|xsc_range,true);
+    }
+
 	void m_min(float mn);
 	void m_max(float mx);
 
@@ -201,6 +207,7 @@ protected:
 	long sclmin; // in samples
 	float sclmul;
 	float s2u;  // sample to unit conversion factor
+    bool wrap;
 
 	inline float scale(float smp) const { return (smp-sclmin)*sclmul; }
 	
@@ -266,6 +273,9 @@ private:
 
 	FLEXT_ATTRGET_F(s2u)
 
+	FLEXT_CALLSET_B(m_wrap)
+	FLEXT_ATTRGET_B(wrap)
+
 protected:
 	FLEXT_CALLGET_F(mg_min)
 	FLEXT_CALLGET_F(mg_max)