Floating Point Dither For All

3 files changed, 51 insertions, 55 deletions

diff --git a/plugins/MacAU/Distance2/Distance2.cpp b/plugins/MacAU/Distance2/Distance2.cpp
index d9101d7..ddafb82 100755
--- a/plugins/MacAU/Distance2/Distance2.cpp
+++ b/plugins/MacAU/Distance2/Distance2.cpp
@@ -359,23 +359,15 @@ void		Distance2::Distance2Kernel::Process(	const Float32 	*inSourceP,
 		}
 		//Dry/Wet control, defaults to the last slider
 
-		//noise shaping to 32-bit floating point
-		Float32 fpTemp = inputSample;
-		fpNShape += (inputSample-fpTemp);
-		inputSample += fpNShape;
-		//for deeper space and warmth, we try a non-oscillating noise shaping
-		//that is kind of ruthless: it will forever retain the rounding errors
-		//except we'll dial it back a hair at the end of every buffer processed
-		//end noise shaping on 32 bit output
+		//32 bit dither, made small and tidy.
+		int expon; frexpf((Float32)inputSample, &expon);
+		long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
+		inputSample += (dither-fpNShape); fpNShape = dither;
+		//end 32 bit dither
 		
 		*destP = inputSample;
 		
 		sourceP += inNumChannels; destP += inNumChannels;
 	}
-	fpNShape *= 0.999999;
-	//we will just delicately dial back the FP noise shaping, not even every sample
-	//this is a good place to put subtle 'no runaway' calculations, though bear in mind
-	//that it will be called more often when you use shorter sample buffers in the DAW.
-	//So, very low latency operation will call these calculations more often.
 }
 
diff --git a/plugins/MacAU/Distance2/Distance2.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/Distance2/Distance2.xcodeproj/christopherjohnson.pbxuser
index 3d24615..6b4a4a7 100755
--- a/plugins/MacAU/Distance2/Distance2.xcodeproj/christopherjohnson.pbxuser
+++ b/plugins/MacAU/Distance2/Distance2.xcodeproj/christopherjohnson.pbxuser
@@ -49,20 +49,40 @@
 					PBXFileDataSource_Warnings_ColumnID,
 				);
 			};
-			PBXPerProjectTemplateStateSaveDate = 547768382;
-			PBXWorkspaceStateSaveDate = 547768382;
+			PBXPerProjectTemplateStateSaveDate = 569598233;
+			PBXWorkspaceStateSaveDate = 569598233;
 		};
 		perUserProjectItems = {
+			8B792ACD21F3615C006E9731 /* PBXTextBookmark */ = 8B792ACD21F3615C006E9731 /* PBXTextBookmark */;
+			8B792AD221F3616C006E9731 /* PBXTextBookmark */ = 8B792AD221F3616C006E9731 /* PBXTextBookmark */;
 			8B7E3D4220A64FFD00482CB5 /* PBXTextBookmark */ = 8B7E3D4220A64FFD00482CB5 /* PBXTextBookmark */;
 			8B7E3D4320A64FFD00482CB5 /* PBXTextBookmark */ = 8B7E3D4320A64FFD00482CB5 /* PBXTextBookmark */;
-			8B7E3D4420A64FFD00482CB5 /* PBXBookmark */ = 8B7E3D4420A64FFD00482CB5 /* PBXBookmark */;
-			8B7E3D4520A64FFD00482CB5 /* PBXTextBookmark */ = 8B7E3D4520A64FFD00482CB5 /* PBXTextBookmark */;
 			8B904DA120A465EC008CBAD8 /* PlistBookmark */ = 8B904DA120A465EC008CBAD8 /* PlistBookmark */;
 		};
 		sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */;
 		userBuildSettings = {
 		};
 	};
+	8B792ACD21F3615C006E9731 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8BA05A660720730100365D66 /* Distance2.cpp */;
+		name = "Distance2.cpp: 176";
+		rLen = 0;
+		rLoc = 8084;
+		rType = 0;
+		vrLen = 420;
+		vrLoc = 10855;
+	};
+	8B792AD221F3616C006E9731 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8BA05A660720730100365D66 /* Distance2.cpp */;
+		name = "Distance2.cpp: 176";
+		rLen = 0;
+		rLoc = 8084;
+		rType = 0;
+		vrLen = 420;
+		vrLoc = 10855;
+	};
 	8B7E3D4220A64FFD00482CB5 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
 		fRef = 8BA05A690720730100365D66 /* Distance2Version.h */;
@@ -83,20 +103,6 @@
 		vrLen = 375;
 		vrLoc = 2714;
 	};
-	8B7E3D4420A64FFD00482CB5 /* PBXBookmark */ = {
-		isa = PBXBookmark;
-		fRef = 8BA05A660720730100365D66 /* Distance2.cpp */;
-	};
-	8B7E3D4520A64FFD00482CB5 /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 8BA05A660720730100365D66 /* Distance2.cpp */;
-		name = "Distance2.cpp: 176";
-		rLen = 0;
-		rLoc = 8084;
-		rType = 0;
-		vrLen = 476;
-		vrLoc = 10855;
-	};
 	8B904DA120A465EC008CBAD8 /* PlistBookmark */ = {
 		isa = PlistBookmark;
 		fRef = 8D01CCD10486CAD60068D4B7 /* Info.plist */;
@@ -111,10 +117,10 @@
 	};
 	8BA05A660720730100365D66 /* Distance2.cpp */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {642, 4979}}";
+			sepNavIntBoundsRect = "{{0, 0}, {572, 4875}}";
 			sepNavSelRange = "{8084, 0}";
-			sepNavVisRange = "{10855, 476}";
-			sepNavWindowFrame = "{{561, 47}, {877, 831}}";
+			sepNavVisRange = "{10855, 420}";
+			sepNavWindowFrame = "{{432, 47}, {877, 831}}";
 		};
 	};
 	8BA05A670720730100365D66 /* Distance2.exp */ = {
@@ -135,10 +141,10 @@
 	};
 	8BC6025B073B072D006C4272 /* Distance2.h */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {824, 2210}}";
+			sepNavIntBoundsRect = "{{0, 0}, {894, 2223}}";
 			sepNavSelRange = "{2966, 0}";
-			sepNavVisRange = "{2714, 375}";
-			sepNavWindowFrame = "{{786, 47}, {877, 831}}";
+			sepNavVisRange = "{4877, 1321}";
+			sepNavWindowFrame = "{{563, 47}, {877, 831}}";
 		};
 	};
 	8BD3CCB8148830B20062E48C /* Source Control */ = {
diff --git a/plugins/MacAU/Distance2/Distance2.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/Distance2/Distance2.xcodeproj/christopherjohnson.perspectivev3
index 5d06e6f..deed33a 100755
--- a/plugins/MacAU/Distance2/Distance2.xcodeproj/christopherjohnson.perspectivev3
+++ b/plugins/MacAU/Distance2/Distance2.xcodeproj/christopherjohnson.perspectivev3
@@ -256,8 +256,6 @@
 			<key>Layout</key>
 			<array>
 				<dict>
-					<key>BecomeActive</key>
-					<true/>
 					<key>ContentConfiguration</key>
 					<dict>
 						<key>PBXBottomSmartGroupGIDs</key>
@@ -326,7 +324,7 @@
 							<real>288</real>
 						</array>
 						<key>RubberWindowFrame</key>
-						<string>576 144 841 654 0 0 1440 878 </string>
+						<string>487 174 841 654 0 0 1440 878 </string>
 					</dict>
 					<key>Module</key>
 					<string>PBXSmartGroupTreeModule</string>
@@ -354,13 +352,13 @@
 										<key>_historyCapacity</key>
 										<integer>0</integer>
 										<key>bookmark</key>
-										<string>8B7E3D4520A64FFD00482CB5</string>
+										<string>8B792AD221F3616C006E9731</string>
 										<key>history</key>
 										<array>
 											<string>8B904DA120A465EC008CBAD8</string>
 											<string>8B7E3D4220A64FFD00482CB5</string>
 											<string>8B7E3D4320A64FFD00482CB5</string>
-											<string>8B7E3D4420A64FFD00482CB5</string>
+											<string>8B792ACD21F3615C006E9731</string>
 										</array>
 									</dict>
 									<key>SplitCount</key>
@@ -374,18 +372,18 @@
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {531, 202}}</string>
+								<string>{{0, 0}, {531, 188}}</string>
 								<key>RubberWindowFrame</key>
-								<string>576 144 841 654 0 0 1440 878 </string>
+								<string>487 174 841 654 0 0 1440 878 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXNavigatorGroup</string>
 							<key>Proportion</key>
-							<string>202pt</string>
+							<string>188pt</string>
 						</dict>
 						<dict>
 							<key>Proportion</key>
-							<string>406pt</string>
+							<string>420pt</string>
 							<key>Tabs</key>
 							<array>
 								<dict>
@@ -399,9 +397,7 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {531, 379}}</string>
-										<key>RubberWindowFrame</key>
-										<string>576 144 841 654 0 0 1440 878 </string>
+										<string>{{10, 27}, {531, 393}}</string>
 									</dict>
 									<key>Module</key>
 									<string>XCDetailModule</string>
@@ -455,7 +451,9 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {531, 339}}</string>
+										<string>{{10, 27}, {531, 393}}</string>
+										<key>RubberWindowFrame</key>
+										<string>487 174 841 654 0 0 1440 878 </string>
 									</dict>
 									<key>Module</key>
 									<string>PBXBuildResultsModule</string>
@@ -483,11 +481,11 @@
 			</array>
 			<key>TableOfContents</key>
 			<array>
-				<string>8B7E3D4620A64FFD00482CB5</string>
+				<string>8B792AD321F3616C006E9731</string>
 				<string>1CA23ED40692098700951B8B</string>
-				<string>8B7E3D4720A64FFD00482CB5</string>
+				<string>8B792AD421F3616C006E9731</string>
 				<string>8BD7274A1D46E5A5000176F0</string>
-				<string>8B7E3D4820A64FFD00482CB5</string>
+				<string>8B792AD521F3616C006E9731</string>
 				<string>1CA23EDF0692099D00951B8B</string>
 				<string>1CA23EE00692099D00951B8B</string>
 				<string>1CA23EE10692099D00951B8B</string>
@@ -660,7 +658,7 @@
 	<key>StatusbarIsVisible</key>
 	<true/>
 	<key>TimeStamp</key>
-	<real>547770365.68357301</real>
+	<real>569598316.742221</real>
 	<key>ToolbarConfigUserDefaultsMinorVersion</key>
 	<string>2</string>
 	<key>ToolbarDisplayMode</key>
@@ -680,7 +678,7 @@
 		<string>/Users/christopherjohnson/Desktop/MacAU/Distance2/Distance2.xcodeproj</string>
 	</array>
 	<key>WindowString</key>
-	<string>576 144 841 654 0 0 1440 878 </string>
+	<string>487 174 841 654 0 0 1440 878 </string>
 	<key>WindowToolsV3</key>
 	<array>
 		<dict>