Floating Point Dither For All

4 files changed, 47 insertions, 66 deletions

diff --git a/plugins/MacAU/Bite/Bite.cpp b/plugins/MacAU/Bite/Bite.cpp
index 99d3134..c34bb3d 100755
--- a/plugins/MacAU/Bite/Bite.cpp
+++ b/plugins/MacAU/Bite/Bite.cpp
@@ -175,10 +175,7 @@ void		Bite::BiteKernel::Reset()
 	sampleG = 0.0;
 	sampleH = 0.0;
 	sampleI = 0.0;
-	
-	fpNShapeA = 0.0;
-	fpNShapeB = 0.0;
-	fpFlip = true;
+	fpNShape = 0.0;
 }
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -203,10 +200,7 @@ void		Bite::BiteKernel::Process(	const Float32 	*inSourceP,
 	Float64 midC;
 	Float64 midD;
 	Float64 trigger;
-	Float64 result;
-	Float64 fpOld = 0.618033988749894848204586; //golden ratio!
-	Float64 fpNew = 1.0 - fpOld;
-	Float32 fpTemp;
+	long double result;
 	
 	while (nSampleFrames-- > 0) {
 		sampleI = sampleH;
@@ -273,18 +267,11 @@ void		Bite::BiteKernel::Process(	const Float32 	*inSourceP,
 		
 		if (outputgain != 1.0) result *= outputgain;
 
-		if (fpFlip) {
-			fpTemp = result;
-			fpNShapeA = (fpNShapeA*fpOld)+((result-fpTemp)*fpNew);
-			result += fpNShapeA;
-		}
-		else {
-			fpTemp = result;
-			fpNShapeB = (fpNShapeB*fpOld)+((result-fpTemp)*fpNew);
-			result += fpNShapeB;
-		}
-		fpFlip = not fpFlip;
-		//end noise shaping on 32 bit output
+		//32 bit dither, made small and tidy.
+		int expon; frexpf((Float32)result, &expon);
+		long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
+		result += (dither-fpNShape); fpNShape = dither;
+		//end 32 bit dither
 		
 		*destP = result;
 		//output.
diff --git a/plugins/MacAU/Bite/Bite.h b/plugins/MacAU/Bite/Bite.h
index c7a5b06..b36870b 100755
--- a/plugins/MacAU/Bite/Bite.h
+++ b/plugins/MacAU/Bite/Bite.h
@@ -138,10 +138,7 @@ public:
 		Float64 sampleG;
 		Float64 sampleH;
 		Float64 sampleI;
-		Float64 fpNShapeA;
-		Float64 fpNShapeB;
-		bool fpFlip;
-		
+		Float64 fpNShape;		
 	};
 };
 
diff --git a/plugins/MacAU/Bite/Bite.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/Bite/Bite.xcodeproj/christopherjohnson.pbxuser
index f9c81c4..b8ac588 100755
--- a/plugins/MacAU/Bite/Bite.xcodeproj/christopherjohnson.pbxuser
+++ b/plugins/MacAU/Bite/Bite.xcodeproj/christopherjohnson.pbxuser
@@ -49,43 +49,43 @@
 					PBXFileDataSource_Warnings_ColumnID,
 				);
 			};
-			PBXPerProjectTemplateStateSaveDate = 528421171;
-			PBXWorkspaceStateSaveDate = 528421171;
+			PBXPerProjectTemplateStateSaveDate = 569589737;
+			PBXWorkspaceStateSaveDate = 569589737;
 		};
 		perUserProjectItems = {
-			8B9D63401F7C8264007AB60F /* PBXTextBookmark */ = 8B9D63401F7C8264007AB60F /* PBXTextBookmark */;
-			8B9D72D41F7F114A007AB60F /* PBXTextBookmark */ = 8B9D72D41F7F114A007AB60F /* PBXTextBookmark */;
+			8B79281021F3405A006E9731 /* PBXTextBookmark */ = 8B79281021F3405A006E9731 /* PBXTextBookmark */;
+			8B79281521F34076006E9731 /* PBXTextBookmark */ = 8B79281521F34076006E9731 /* PBXTextBookmark */;
 		};
 		sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */;
 		userBuildSettings = {
 		};
 	};
-	8B9D63401F7C8264007AB60F /* PBXTextBookmark */ = {
+	8B79281021F3405A006E9731 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
 		fRef = 8BA05A660720730100365D66 /* Bite.cpp */;
-		name = "Bite.cpp: 289";
+		name = "Bite.cpp: 276";
 		rLen = 0;
-		rLoc = 11935;
+		rLoc = 11735;
 		rType = 0;
-		vrLen = 433;
-		vrLoc = 10004;
+		vrLen = 155;
+		vrLoc = 10210;
 	};
-	8B9D72D41F7F114A007AB60F /* PBXTextBookmark */ = {
+	8B79281521F34076006E9731 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
 		fRef = 8BA05A660720730100365D66 /* Bite.cpp */;
-		name = "Bite.cpp: 289";
+		name = "Bite.cpp: 276";
 		rLen = 0;
-		rLoc = 11935;
+		rLoc = 11735;
 		rType = 0;
-		vrLen = 402;
-		vrLoc = 10035;
+		vrLen = 155;
+		vrLoc = 10210;
 	};
 	8BA05A660720730100365D66 /* Bite.cpp */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {677, 3913}}";
-			sepNavSelRange = "{11935, 0}";
-			sepNavVisRange = "{10035, 402}";
-			sepNavWindowFrame = "{{295, 66}, {1145, 812}}";
+			sepNavIntBoundsRect = "{{0, 0}, {677, 3887}}";
+			sepNavSelRange = "{11735, 0}";
+			sepNavVisRange = "{10210, 155}";
+			sepNavWindowFrame = "{{170, 66}, {1145, 812}}";
 		};
 	};
 	8BA05A670720730100365D66 /* Bite.exp */ = {
@@ -106,9 +106,9 @@
 	};
 	8BC6025B073B072D006C4272 /* Bite.h */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {1062, 1963}}";
-			sepNavSelRange = "{5170, 171}";
-			sepNavVisRange = "{3327, 1862}";
+			sepNavIntBoundsRect = "{{0, 0}, {1062, 1898}}";
+			sepNavSelRange = "{5360, 0}";
+			sepNavVisRange = "{3983, 1489}";
 			sepNavWindowFrame = "{{382, 39}, {1053, 839}}";
 		};
 	};
diff --git a/plugins/MacAU/Bite/Bite.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/Bite/Bite.xcodeproj/christopherjohnson.perspectivev3
index 87e6588..4e2e4c6 100755
--- a/plugins/MacAU/Bite/Bite.xcodeproj/christopherjohnson.perspectivev3
+++ b/plugins/MacAU/Bite/Bite.xcodeproj/christopherjohnson.perspectivev3
@@ -225,8 +225,8 @@
 	<array/>
 	<key>PerspectiveWidths</key>
 	<array>
-		<integer>-1</integer>
-		<integer>-1</integer>
+		<integer>810</integer>
+		<integer>810</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>
@@ -324,7 +322,7 @@
 							<real>185</real>
 						</array>
 						<key>RubberWindowFrame</key>
-						<string>612 285 810 487 0 0 1440 878 </string>
+						<string>476 284 810 487 0 0 1440 878 </string>
 					</dict>
 					<key>Module</key>
 					<string>PBXSmartGroupTreeModule</string>
@@ -352,10 +350,10 @@
 										<key>_historyCapacity</key>
 										<integer>0</integer>
 										<key>bookmark</key>
-										<string>8B9D72D41F7F114A007AB60F</string>
+										<string>8B79281521F34076006E9731</string>
 										<key>history</key>
 										<array>
-											<string>8B9D63401F7C8264007AB60F</string>
+											<string>8B79281021F3405A006E9731</string>
 										</array>
 									</dict>
 									<key>SplitCount</key>
@@ -369,18 +367,18 @@
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {603, 102}}</string>
+								<string>{{0, 0}, {603, 86}}</string>
 								<key>RubberWindowFrame</key>
-								<string>612 285 810 487 0 0 1440 878 </string>
+								<string>476 284 810 487 0 0 1440 878 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXNavigatorGroup</string>
 							<key>Proportion</key>
-							<string>102pt</string>
+							<string>86pt</string>
 						</dict>
 						<dict>
 							<key>Proportion</key>
-							<string>339pt</string>
+							<string>355pt</string>
 							<key>Tabs</key>
 							<array>
 								<dict>
@@ -394,9 +392,7 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {603, 312}}</string>
-										<key>RubberWindowFrame</key>
-										<string>612 285 810 487 0 0 1440 878 </string>
+										<string>{{10, 27}, {603, 328}}</string>
 									</dict>
 									<key>Module</key>
 									<string>XCDetailModule</string>
@@ -450,7 +446,9 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {603, 414}}</string>
+										<string>{{10, 27}, {603, 328}}</string>
+										<key>RubberWindowFrame</key>
+										<string>476 284 810 487 0 0 1440 878 </string>
 									</dict>
 									<key>Module</key>
 									<string>PBXBuildResultsModule</string>
@@ -478,11 +476,11 @@
 			</array>
 			<key>TableOfContents</key>
 			<array>
-				<string>8B9D72D51F7F114A007AB60F</string>
+				<string>8B79281621F34076006E9731</string>
 				<string>1CA23ED40692098700951B8B</string>
-				<string>8B9D72D61F7F114A007AB60F</string>
+				<string>8B79281721F34076006E9731</string>
 				<string>8BDB25E81EAA6D6E001F42B2</string>
-				<string>8B9D72D71F7F114A007AB60F</string>
+				<string>8B79281821F34076006E9731</string>
 				<string>1CA23EDF0692099D00951B8B</string>
 				<string>1CA23EE00692099D00951B8B</string>
 				<string>1CA23EE10692099D00951B8B</string>
@@ -635,7 +633,7 @@
 	<key>StatusbarIsVisible</key>
 	<true/>
 	<key>TimeStamp</key>
-	<real>528421194.64885902</real>
+	<real>569589878.38768005</real>
 	<key>ToolbarConfigUserDefaultsMinorVersion</key>
 	<string>2</string>
 	<key>ToolbarDisplayMode</key>
@@ -652,11 +650,10 @@
 	<integer>5</integer>
 	<key>WindowOrderList</key>
 	<array>
-		<string>8B9D72D81F7F114A007AB60F</string>
 		<string>/Users/christopherjohnson/Desktop/MacAU/Bite/Bite.xcodeproj</string>
 	</array>
 	<key>WindowString</key>
-	<string>612 285 810 487 0 0 1440 878 </string>
+	<string>476 284 810 487 0 0 1440 878 </string>
 	<key>WindowToolsV3</key>
 	<array>
 		<dict>