Floating Point Dither For All

4 files changed, 68 insertions, 53 deletions

diff --git a/plugins/MacAU/Slew2/Slew2.cpp b/plugins/MacAU/Slew2/Slew2.cpp
index 06a128a..d9a5093 100755
--- a/plugins/MacAU/Slew2/Slew2.cpp
+++ b/plugins/MacAU/Slew2/Slew2.cpp
@@ -164,8 +164,8 @@ void		Slew2::Slew2Kernel::Reset()
 	ataUpsampleHighTweak = 0.0414213562373095048801688; //more adds treble to upsampling
 	ataDecay = 0.915965594177219015; //Catalan's constant, more adds focus and clarity
 	ataFlip = false; //end reset of antialias parameters
-	demotimer = 0;
 	lastSample = 0.0;
+	fpNShape = 0.0;
 }
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -255,6 +255,12 @@ void		Slew2::Slew2Kernel::Process(	const Float32 	*inSourceP,
 		ataPrevDiffSample = ataDiffSample / 2.0;
 		//apply processing as difference to non-oversampled raw input
 
+		//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;
 		//built in output trim and dry/wet by default
 		
diff --git a/plugins/MacAU/Slew2/Slew2.h b/plugins/MacAU/Slew2/Slew2.h
index 236a415..4e16def 100755
--- a/plugins/MacAU/Slew2/Slew2.h
+++ b/plugins/MacAU/Slew2/Slew2.h
@@ -140,8 +140,8 @@ public:
 		Float64 ataDiffSample;
 		Float64 ataPrevDiffSample;
 		bool ataFlip; //end defining of antialiasing variables
-		int demotimer;
 		Float64 lastSample;
+		long double fpNShape;
 	};
 };
 
diff --git a/plugins/MacAU/Slew2/Slew2.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/Slew2/Slew2.xcodeproj/christopherjohnson.pbxuser
index c33013d..d905aae 100755
--- a/plugins/MacAU/Slew2/Slew2.xcodeproj/christopherjohnson.pbxuser
+++ b/plugins/MacAU/Slew2/Slew2.xcodeproj/christopherjohnson.pbxuser
@@ -10,7 +10,7 @@
 				PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID;
 				PBXFileTableDataSourceColumnWidthsKey = (
 					20,
-					364,
+					427,
 					20,
 					48,
 					43,
@@ -49,13 +49,14 @@
 					PBXFileDataSource_Warnings_ColumnID,
 				);
 			};
-			PBXPerProjectTemplateStateSaveDate = 528457914;
-			PBXWorkspaceStateSaveDate = 528457914;
+			PBXPerProjectTemplateStateSaveDate = 569679497;
+			PBXWorkspaceStateSaveDate = 569679497;
 		};
 		perUserProjectItems = {
 			8B41AFAA1DA1D3B100555FA2 /* PBXTextBookmark */ = 8B41AFAA1DA1D3B100555FA2 /* PBXTextBookmark */;
-			8B9D670A1F7C8F10007AB60F /* PBXTextBookmark */ = 8B9D670A1F7C8F10007AB60F /* PBXTextBookmark */;
-			8B9D760A1F7FA10A007AB60F /* PBXTextBookmark */ = 8B9D760A1F7FA10A007AB60F /* PBXTextBookmark */;
+			8B79301821F49F45006E9731 /* PBXTextBookmark */ = 8B79301821F49F45006E9731 /* PBXTextBookmark */;
+			8B79301A21F49F45006E9731 /* PBXTextBookmark */ = 8B79301A21F49F45006E9731 /* PBXTextBookmark */;
+			8B79301F21F49F56006E9731 /* PBXTextBookmark */ = 8B79301F21F49F56006E9731 /* PBXTextBookmark */;
 		};
 		sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */;
 		userBuildSettings = {
@@ -71,31 +72,41 @@
 		vrLen = 12;
 		vrLoc = 0;
 	};
-	8B9D670A1F7C8F10007AB60F /* PBXTextBookmark */ = {
+	8B79301821F49F45006E9731 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
 		fRef = 8BC6025B073B072D006C4272 /* Slew2.h */;
-		name = "Slew2.h: 126";
+		name = "Slew2.h: 143";
 		rLen = 0;
-		rLoc = 4945;
+		rLoc = 5356;
 		rType = 0;
-		vrLen = 78;
-		vrLoc = 2972;
+		vrLen = 948;
+		vrLoc = 4563;
 	};
-	8B9D760A1F7FA10A007AB60F /* PBXTextBookmark */ = {
+	8B79301A21F49F45006E9731 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
-		fRef = 8BC6025B073B072D006C4272 /* Slew2.h */;
-		name = "Slew2.h: 126";
+		fRef = 8BA05A660720730100365D66 /* Slew2.cpp */;
+		name = "Slew2.cpp: 263";
+		rLen = 0;
+		rLoc = 12140;
+		rType = 0;
+		vrLen = 1567;
+		vrLoc = 10707;
+	};
+	8B79301F21F49F56006E9731 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8BA05A660720730100365D66 /* Slew2.cpp */;
+		name = "Slew2.cpp: 263";
 		rLen = 0;
-		rLoc = 4945;
+		rLoc = 12140;
 		rType = 0;
-		vrLen = 70;
-		vrLoc = 2980;
+		vrLen = 1613;
+		vrLoc = 10661;
 	};
 	8BA05A660720730100365D66 /* Slew2.cpp */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {1027, 3497}}";
-			sepNavSelRange = "{8581, 0}";
-			sepNavVisRange = "{8239, 2561}";
+			sepNavIntBoundsRect = "{{0, 0}, {1027, 3575}}";
+			sepNavSelRange = "{12140, 0}";
+			sepNavVisRange = "{10661, 1613}";
 			sepNavWindowFrame = "{{548, 41}, {892, 828}}";
 		};
 	};
@@ -116,9 +127,9 @@
 	};
 	8BC6025B073B072D006C4272 /* Slew2.h */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {554, 2119}}";
-			sepNavSelRange = "{4945, 0}";
-			sepNavVisRange = "{2980, 70}";
+			sepNavIntBoundsRect = "{{0, 0}, {922, 2301}}";
+			sepNavSelRange = "{5356, 0}";
+			sepNavVisRange = "{4563, 948}";
 			sepNavWindowFrame = "{{548, 50}, {892, 828}}";
 		};
 	};
diff --git a/plugins/MacAU/Slew2/Slew2.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/Slew2/Slew2.xcodeproj/christopherjohnson.perspectivev3
index 4765fda..43df8cf 100755
--- a/plugins/MacAU/Slew2/Slew2.xcodeproj/christopherjohnson.perspectivev3
+++ b/plugins/MacAU/Slew2/Slew2.xcodeproj/christopherjohnson.perspectivev3
@@ -225,8 +225,8 @@
 	<array/>
 	<key>PerspectiveWidths</key>
 	<array>
-		<integer>-1</integer>
-		<integer>-1</integer>
+		<integer>835</integer>
+		<integer>835</integer>
 	</array>
 	<key>Perspectives</key>
 	<array>
@@ -256,8 +256,6 @@
 			<key>Layout</key>
 			<array>
 				<dict>
-					<key>BecomeActive</key>
-					<true/>
 					<key>ContentConfiguration</key>
 					<dict>
 						<key>PBXBottomSmartGroupGIDs</key>
@@ -282,7 +280,7 @@
 						<dict>
 							<key>PBXSmartGroupTreeModuleColumnWidthsKey</key>
 							<array>
-								<real>185</real>
+								<real>147</real>
 							</array>
 							<key>PBXSmartGroupTreeModuleColumnsKey_v4</key>
 							<array>
@@ -307,7 +305,7 @@
 								</array>
 							</array>
 							<key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key>
-							<string>{{0, 0}, {185, 428}}</string>
+							<string>{{0, 0}, {147, 699}}</string>
 						</dict>
 						<key>PBXTopSmartGroupGIDs</key>
 						<array/>
@@ -317,19 +315,19 @@
 					<key>GeometryConfiguration</key>
 					<dict>
 						<key>Frame</key>
-						<string>{{0, 0}, {202, 446}}</string>
+						<string>{{0, 0}, {164, 717}}</string>
 						<key>GroupTreeTableConfiguration</key>
 						<array>
 							<string>MainColumn</string>
-							<real>185</real>
+							<real>147</real>
 						</array>
 						<key>RubberWindowFrame</key>
-						<string>630 353 810 487 0 0 1440 878 </string>
+						<string>433 98 835 758 0 0 1440 878 </string>
 					</dict>
 					<key>Module</key>
 					<string>PBXSmartGroupTreeModule</string>
 					<key>Proportion</key>
-					<string>202pt</string>
+					<string>164pt</string>
 				</dict>
 				<dict>
 					<key>Dock</key>
@@ -340,7 +338,7 @@
 								<key>PBXProjectModuleGUID</key>
 								<string>8B41AF5A1DA1CCC700555FA2</string>
 								<key>PBXProjectModuleLabel</key>
-								<string>Slew2.h</string>
+								<string>Slew2.cpp</string>
 								<key>PBXSplitModuleInNavigatorKey</key>
 								<dict>
 									<key>Split0</key>
@@ -348,15 +346,16 @@
 										<key>PBXProjectModuleGUID</key>
 										<string>8B41AF5B1DA1CCC700555FA2</string>
 										<key>PBXProjectModuleLabel</key>
-										<string>Slew2.h</string>
+										<string>Slew2.cpp</string>
 										<key>_historyCapacity</key>
 										<integer>0</integer>
 										<key>bookmark</key>
-										<string>8B9D760A1F7FA10A007AB60F</string>
+										<string>8B79301F21F49F56006E9731</string>
 										<key>history</key>
 										<array>
 											<string>8B41AFAA1DA1D3B100555FA2</string>
-											<string>8B9D670A1F7C8F10007AB60F</string>
+											<string>8B79301821F49F45006E9731</string>
+											<string>8B79301A21F49F45006E9731</string>
 										</array>
 									</dict>
 									<key>SplitCount</key>
@@ -370,18 +369,18 @@
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {603, 69}}</string>
+								<string>{{0, 0}, {666, 538}}</string>
 								<key>RubberWindowFrame</key>
-								<string>630 353 810 487 0 0 1440 878 </string>
+								<string>433 98 835 758 0 0 1440 878 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXNavigatorGroup</string>
 							<key>Proportion</key>
-							<string>69pt</string>
+							<string>538pt</string>
 						</dict>
 						<dict>
 							<key>Proportion</key>
-							<string>372pt</string>
+							<string>174pt</string>
 							<key>Tabs</key>
 							<array>
 								<dict>
@@ -395,9 +394,7 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {603, 345}}</string>
-										<key>RubberWindowFrame</key>
-										<string>630 353 810 487 0 0 1440 878 </string>
+										<string>{{10, 27}, {666, 147}}</string>
 									</dict>
 									<key>Module</key>
 									<string>XCDetailModule</string>
@@ -451,7 +448,9 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {603, 414}}</string>
+										<string>{{10, 27}, {666, 147}}</string>
+										<key>RubberWindowFrame</key>
+										<string>433 98 835 758 0 0 1440 878 </string>
 									</dict>
 									<key>Module</key>
 									<string>PBXBuildResultsModule</string>
@@ -460,7 +459,7 @@
 						</dict>
 					</array>
 					<key>Proportion</key>
-					<string>603pt</string>
+					<string>666pt</string>
 				</dict>
 			</array>
 			<key>Name</key>
@@ -479,11 +478,11 @@
 			</array>
 			<key>TableOfContents</key>
 			<array>
-				<string>8B9D760B1F7FA10A007AB60F</string>
+				<string>8B79302021F49F56006E9731</string>
 				<string>1CA23ED40692098700951B8B</string>
-				<string>8B9D760C1F7FA10A007AB60F</string>
+				<string>8B79302121F49F56006E9731</string>
 				<string>8B41AF5A1DA1CCC700555FA2</string>
-				<string>8B9D760D1F7FA10A007AB60F</string>
+				<string>8B79302221F49F56006E9731</string>
 				<string>1CA23EDF0692099D00951B8B</string>
 				<string>1CA23EE00692099D00951B8B</string>
 				<string>1CA23EE10692099D00951B8B</string>
@@ -636,7 +635,7 @@
 	<key>StatusbarIsVisible</key>
 	<true/>
 	<key>TimeStamp</key>
-	<real>528457994.05700201</real>
+	<real>569679702.44383299</real>
 	<key>ToolbarConfigUserDefaultsMinorVersion</key>
 	<string>2</string>
 	<key>ToolbarDisplayMode</key>
@@ -653,11 +652,10 @@
 	<integer>5</integer>
 	<key>WindowOrderList</key>
 	<array>
-		<string>8B9D760E1F7FA10A007AB60F</string>
 		<string>/Users/christopherjohnson/Desktop/MacAU/Slew2/Slew2.xcodeproj</string>
 	</array>
 	<key>WindowString</key>
-	<string>630 353 810 487 0 0 1440 878 </string>
+	<string>433 98 835 758 0 0 1440 878 </string>
 	<key>WindowToolsV3</key>
 	<array>
 		<dict>