Floating Point Dither For All

3 files changed, 57 insertions, 54 deletions

diff --git a/plugins/MacAU/Righteous4/Righteous4.cpp b/plugins/MacAU/Righteous4/Righteous4.cpp
index f20e5ec..be1a1f6 100755
--- a/plugins/MacAU/Righteous4/Righteous4.cpp
+++ b/plugins/MacAU/Righteous4/Righteous4.cpp
@@ -412,14 +412,11 @@ void		Righteous4::Righteous4Kernel::Process(	const Float32 	*inSourceP,
 				
 		//output dither section
 		if (bitDepth == 3) {
-			//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
 		} else {
 			//entire Naturalize section used when not on 32 bit out
 			
@@ -519,10 +516,5 @@ void		Righteous4::Righteous4Kernel::Process(	const Float32 	*inSourceP,
 		
 		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/Righteous4/Righteous4.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/Righteous4/Righteous4.xcodeproj/christopherjohnson.pbxuser
index b81dbe3..9104560 100755
--- a/plugins/MacAU/Righteous4/Righteous4.xcodeproj/christopherjohnson.pbxuser
+++ b/plugins/MacAU/Righteous4/Righteous4.xcodeproj/christopherjohnson.pbxuser
@@ -49,19 +49,50 @@
 					PBXFileDataSource_Warnings_ColumnID,
 				);
 			};
-			PBXPerProjectTemplateStateSaveDate = 548108471;
-			PBXWorkspaceStateSaveDate = 548108471;
+			PBXPerProjectTemplateStateSaveDate = 569678261;
+			PBXWorkspaceStateSaveDate = 569678261;
 		};
 		perUserProjectItems = {
+			8B792FA321F49A2F006E9731 /* PBXTextBookmark */ = 8B792FA321F49A2F006E9731 /* PBXTextBookmark */;
+			8B792FA521F49A2F006E9731 /* PBXTextBookmark */ = 8B792FA521F49A2F006E9731 /* PBXTextBookmark */;
+			8B792FAA21F49A42006E9731 /* PBXTextBookmark */ = 8B792FAA21F49A42006E9731 /* PBXTextBookmark */;
 			8B7E3DB220A6725600482CB5 /* PBXTextBookmark */ = 8B7E3DB220A6725600482CB5 /* PBXTextBookmark */;
 			8B904BD0209D3B52008CBAD8 /* PlistBookmark */ = 8B904BD0209D3B52008CBAD8 /* PlistBookmark */;
-			8BBFF82820AD804F005650EF /* PBXTextBookmark */ = 8BBFF82820AD804F005650EF /* PBXTextBookmark */;
-			8BBFF86720AD84A3005650EF /* PBXTextBookmark */ = 8BBFF86720AD84A3005650EF /* PBXTextBookmark */;
 		};
 		sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */;
 		userBuildSettings = {
 		};
 	};
+	8B792FA321F49A2F006E9731 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8BC6025B073B072D006C4272 /* Righteous4.h */;
+		name = "Righteous4.h: 169";
+		rLen = 0;
+		rLoc = 6101;
+		rType = 0;
+		vrLen = 439;
+		vrLoc = 5895;
+	};
+	8B792FA521F49A2F006E9731 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8BA05A660720730100365D66 /* Righteous4.cpp */;
+		name = "Righteous4.cpp: 355";
+		rLen = 0;
+		rLoc = 16702;
+		rType = 0;
+		vrLen = 960;
+		vrLoc = 18184;
+	};
+	8B792FAA21F49A42006E9731 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8BA05A660720730100365D66 /* Righteous4.cpp */;
+		name = "Righteous4.cpp: 355";
+		rLen = 0;
+		rLoc = 16702;
+		rType = 0;
+		vrLen = 960;
+		vrLoc = 18184;
+	};
 	8B7E3DB220A6725600482CB5 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
 		fRef = 8BA05A690720730100365D66 /* Righteous4Version.h */;
@@ -86,10 +117,10 @@
 	};
 	8BA05A660720730100365D66 /* Righteous4.cpp */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {838, 6825}}";
+			sepNavIntBoundsRect = "{{0, 0}, {838, 6981}}";
 			sepNavSelRange = "{16702, 0}";
-			sepNavVisRange = "{16728, 303}";
-			sepNavWindowFrame = "{{-2, 59}, {1007, 819}}";
+			sepNavVisRange = "{18184, 960}";
+			sepNavWindowFrame = "{{290, 59}, {1007, 819}}";
 		};
 	};
 	8BA05A690720730100365D66 /* Righteous4Version.h */ = {
@@ -100,31 +131,11 @@
 			sepNavWindowFrame = "{{15, 41}, {816, 832}}";
 		};
 	};
-	8BBFF82820AD804F005650EF /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 8BA05A660720730100365D66 /* Righteous4.cpp */;
-		name = "Righteous4.cpp: 355";
-		rLen = 0;
-		rLoc = 16702;
-		rType = 0;
-		vrLen = 303;
-		vrLoc = 16728;
-	};
-	8BBFF86720AD84A3005650EF /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 8BA05A660720730100365D66 /* Righteous4.cpp */;
-		name = "Righteous4.cpp: 355";
-		rLen = 0;
-		rLoc = 16702;
-		rType = 0;
-		vrLen = 303;
-		vrLoc = 16728;
-	};
 	8BC6025B073B072D006C4272 /* Righteous4.h */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {894, 2392}}";
+			sepNavIntBoundsRect = "{{0, 0}, {803, 2756}}";
 			sepNavSelRange = "{6101, 0}";
-			sepNavVisRange = "{5232, 1102}";
+			sepNavVisRange = "{5895, 439}";
 			sepNavWindowFrame = "{{687, 14}, {816, 832}}";
 		};
 	};
diff --git a/plugins/MacAU/Righteous4/Righteous4.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/Righteous4/Righteous4.xcodeproj/christopherjohnson.perspectivev3
index 90a4f18..fae6e0d 100755
--- a/plugins/MacAU/Righteous4/Righteous4.xcodeproj/christopherjohnson.perspectivev3
+++ b/plugins/MacAU/Righteous4/Righteous4.xcodeproj/christopherjohnson.perspectivev3
@@ -352,12 +352,13 @@
 										<key>_historyCapacity</key>
 										<integer>0</integer>
 										<key>bookmark</key>
-										<string>8BBFF86720AD84A3005650EF</string>
+										<string>8B792FAA21F49A42006E9731</string>
 										<key>history</key>
 										<array>
 											<string>8B904BD0209D3B52008CBAD8</string>
 											<string>8B7E3DB220A6725600482CB5</string>
-											<string>8BBFF82820AD804F005650EF</string>
+											<string>8B792FA321F49A2F006E9731</string>
+											<string>8B792FA521F49A2F006E9731</string>
 										</array>
 									</dict>
 									<key>SplitCount</key>
@@ -371,18 +372,18 @@
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {531, 74}}</string>
+								<string>{{0, 0}, {531, 370}}</string>
 								<key>RubberWindowFrame</key>
 								<string>599 193 841 654 0 0 1440 878 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXNavigatorGroup</string>
 							<key>Proportion</key>
-							<string>74pt</string>
+							<string>370pt</string>
 						</dict>
 						<dict>
 							<key>Proportion</key>
-							<string>534pt</string>
+							<string>238pt</string>
 							<key>Tabs</key>
 							<array>
 								<dict>
@@ -396,7 +397,7 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {531, 507}}</string>
+										<string>{{10, 27}, {531, 211}}</string>
 									</dict>
 									<key>Module</key>
 									<string>XCDetailModule</string>
@@ -450,7 +451,7 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {531, 507}}</string>
+										<string>{{10, 27}, {531, 211}}</string>
 										<key>RubberWindowFrame</key>
 										<string>599 193 841 654 0 0 1440 878 </string>
 									</dict>
@@ -480,11 +481,11 @@
 			</array>
 			<key>TableOfContents</key>
 			<array>
-				<string>8BBFF86820AD84A3005650EF</string>
+				<string>8B792FAB21F49A42006E9731</string>
 				<string>1CA23ED40692098700951B8B</string>
-				<string>8BBFF86920AD84A3005650EF</string>
+				<string>8B792FAC21F49A42006E9731</string>
 				<string>8BD7274A1D46E5A5000176F0</string>
-				<string>8BBFF86A20AD84A3005650EF</string>
+				<string>8B792FAD21F49A42006E9731</string>
 				<string>1CA23EDF0692099D00951B8B</string>
 				<string>1CA23EE00692099D00951B8B</string>
 				<string>1CA23EE10692099D00951B8B</string>
@@ -657,7 +658,7 @@
 	<key>StatusbarIsVisible</key>
 	<true/>
 	<key>TimeStamp</key>
-	<real>548242595.39476001</real>
+	<real>569678402.692945</real>
 	<key>ToolbarConfigUserDefaultsMinorVersion</key>
 	<string>2</string>
 	<key>ToolbarDisplayMode</key>
@@ -674,7 +675,6 @@
 	<integer>5</integer>
 	<key>WindowOrderList</key>
 	<array>
-		<string>8BBFF86B20AD84A3005650EF</string>
 		<string>/Users/christopherjohnson/Desktop/MacAU/Righteous4/Righteous4.xcodeproj</string>
 	</array>
 	<key>WindowString</key>