diff options
author | Chris Johnson <jinx6568@sover.net> | 2019-01-27 21:13:54 -0500 |
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committer | Chris Johnson <jinx6568@sover.net> | 2019-01-27 21:13:54 -0500 |
commit | 966f2d253cd2ee6ce140ad68095a20a9d2b63052 (patch) | |
tree | b0400d95bd06512531ade6ddf55190a58b6a5623 /plugins/MacAU/SurgeTide | |
parent | 0887543349dbbec0721a1fc8b1c7deba9afefa8b (diff) | |
download | airwindows-lv2-port-966f2d253cd2ee6ce140ad68095a20a9d2b63052.tar.gz airwindows-lv2-port-966f2d253cd2ee6ce140ad68095a20a9d2b63052.tar.bz2 airwindows-lv2-port-966f2d253cd2ee6ce140ad68095a20a9d2b63052.zip |
Floating Point Dither For All
Diffstat (limited to 'plugins/MacAU/SurgeTide')
4 files changed, 77 insertions, 102 deletions
diff --git a/plugins/MacAU/SurgeTide/SurgeTide.cpp b/plugins/MacAU/SurgeTide/SurgeTide.cpp index 2a2fe42..3a415f2 100755 --- a/plugins/MacAU/SurgeTide/SurgeTide.cpp +++ b/plugins/MacAU/SurgeTide/SurgeTide.cpp @@ -188,11 +188,8 @@ ComponentResult SurgeTide::Initialize() //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult SurgeTide::Reset(AudioUnitScope inScope, AudioUnitElement inElement) { - fpNShapeAL = 0.0; - fpNShapeBL = 0.0; - fpNShapeAR = 0.0; - fpNShapeBR = 0.0; - flip = true; + fpNShapeL = 0.0; + fpNShapeR = 0.0; chaseA = 0.0; chaseB = 0.0; chaseC = 0.0; @@ -215,11 +212,7 @@ OSStatus SurgeTide::ProcessBufferLists(AudioUnitRenderActionFlags & ioActionFla Float64 overallscale = 1.0; overallscale /= 44100.0; overallscale *= GetSampleRate(); - - Float32 fpTemp; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; - + long double inputSampleL; long double inputSampleR; long double drySampleL; @@ -309,27 +302,14 @@ OSStatus SurgeTide::ProcessBufferLists(AudioUnitRenderActionFlags & ioActionFla inputSampleR = drySampleR - (inputSampleR * intensity); inputSampleR = (drySampleR * dry) + (inputSampleR * wet); - //noise shaping to 32-bit floating point - if (flip) { - fpTemp = inputSampleL; - fpNShapeAL = (fpNShapeAL*fpOld)+((inputSampleL-fpTemp)*fpNew); - inputSampleL += fpNShapeAL; - - fpTemp = inputSampleR; - fpNShapeAR = (fpNShapeAR*fpOld)+((inputSampleR-fpTemp)*fpNew); - inputSampleR += fpNShapeAR; - } - else { - fpTemp = inputSampleL; - fpNShapeBL = (fpNShapeBL*fpOld)+((inputSampleL-fpTemp)*fpNew); - inputSampleL += fpNShapeBL; - - fpTemp = inputSampleR; - fpNShapeBR = (fpNShapeBR*fpOld)+((inputSampleR-fpTemp)*fpNew); - inputSampleR += fpNShapeBR; - } - flip = !flip; - //end noise shaping on 32 bit output + //stereo 32 bit dither, made small and tidy. + int expon; frexpf((Float32)inputSampleL, &expon); + long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); + inputSampleL += (dither-fpNShapeL); fpNShapeL = dither; + frexpf((Float32)inputSampleR, &expon); + dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); + inputSampleR += (dither-fpNShapeR); fpNShapeR = dither; + //end 32 bit dither *outputL = inputSampleL; *outputR = inputSampleR; diff --git a/plugins/MacAU/SurgeTide/SurgeTide.h b/plugins/MacAU/SurgeTide/SurgeTide.h index f62817e..a72f6c6 100755 --- a/plugins/MacAU/SurgeTide/SurgeTide.h +++ b/plugins/MacAU/SurgeTide/SurgeTide.h @@ -115,11 +115,8 @@ public: virtual ComponentResult Version() { return kSurgeTideVersion; } private: - long double fpNShapeAL; - long double fpNShapeBL; - long double fpNShapeAR; - long double fpNShapeBR; - bool flip; + long double fpNShapeL; + long double fpNShapeR; long double chaseA; long double chaseB; long double chaseC; diff --git a/plugins/MacAU/SurgeTide/SurgeTide.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/SurgeTide/SurgeTide.xcodeproj/christopherjohnson.pbxuser index 40a4ff3..72c4866 100755 --- a/plugins/MacAU/SurgeTide/SurgeTide.xcodeproj/christopherjohnson.pbxuser +++ b/plugins/MacAU/SurgeTide/SurgeTide.xcodeproj/christopherjohnson.pbxuser @@ -10,7 +10,7 @@ PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID; PBXFileTableDataSourceColumnWidthsKey = ( 20, - 292, + 316, 20, 48, 43, @@ -49,40 +49,20 @@ PBXFileDataSource_Warnings_ColumnID, ); }; - PBXPerProjectTemplateStateSaveDate = 543460920; - PBXWorkspaceStateSaveDate = 543460920; + PBXPerProjectTemplateStateSaveDate = 569682693; + PBXWorkspaceStateSaveDate = 569682693; }; perUserProjectItems = { - 8B050BEA20648E5500700365 /* PBXTextBookmark */ = 8B050BEA20648E5500700365 /* PBXTextBookmark */; - 8B050BEB20648E5500700365 /* PBXTextBookmark */ = 8B050BEB20648E5500700365 /* PBXTextBookmark */; 8B3221941DC3CF2D00C1FCDF /* PlistBookmark */ = 8B3221941DC3CF2D00C1FCDF /* PlistBookmark */; 8B3DF6731E6A5BAE00E788B6 /* PBXTextBookmark */ = 8B3DF6731E6A5BAE00E788B6 /* PBXTextBookmark */; - 8BC9089C1DC7FFFE008187BE /* PBXTextBookmark */ = 8BC9089C1DC7FFFE008187BE /* PBXTextBookmark */; + 8B7930E821F4AB6C006E9731 /* PBXTextBookmark */ = 8B7930E821F4AB6C006E9731 /* PBXTextBookmark */; + 8B7930EA21F4AB6C006E9731 /* PBXTextBookmark */ = 8B7930EA21F4AB6C006E9731 /* PBXTextBookmark */; + 8B7930EF21F4AB96006E9731 /* PBXTextBookmark */ = 8B7930EF21F4AB96006E9731 /* PBXTextBookmark */; }; sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */; userBuildSettings = { }; }; - 8B050BEA20648E5500700365 /* PBXTextBookmark */ = { - isa = PBXTextBookmark; - fRef = 8BC6025B073B072D006C4272 /* SurgeTide.h */; - name = "SurgeTide.h: 132"; - rLen = 0; - rLoc = 5345; - rType = 0; - vrLen = 263; - vrLoc = 5082; - }; - 8B050BEB20648E5500700365 /* PBXTextBookmark */ = { - isa = PBXTextBookmark; - fRef = 8BA05A660720730100365D66 /* SurgeTide.cpp */; - name = "SurgeTide.cpp: 303"; - rLen = 0; - rLoc = 12636; - rType = 0; - vrLen = 1129; - vrLoc = 12486; - }; 8B3221941DC3CF2D00C1FCDF /* PlistBookmark */ = { isa = PlistBookmark; fRef = 8D01CCD10486CAD60068D4B7 /* Info.plist */; @@ -105,11 +85,41 @@ vrLen = 359; vrLoc = 2598; }; + 8B7930E821F4AB6C006E9731 /* PBXTextBookmark */ = { + isa = PBXTextBookmark; + fRef = 8BC6025B073B072D006C4272 /* SurgeTide.h */; + name = "SurgeTide.h: 119"; + rLen = 0; + rLoc = 5103; + rType = 0; + vrLen = 1669; + vrLoc = 3609; + }; + 8B7930EA21F4AB6C006E9731 /* PBXTextBookmark */ = { + isa = PBXTextBookmark; + fRef = 8BA05A660720730100365D66 /* SurgeTide.cpp */; + name = "SurgeTide.cpp: 313"; + rLen = 0; + rLoc = 13187; + rType = 0; + vrLen = 1366; + vrLoc = 12024; + }; + 8B7930EF21F4AB96006E9731 /* PBXTextBookmark */ = { + isa = PBXTextBookmark; + fRef = 8BA05A660720730100365D66 /* SurgeTide.cpp */; + name = "SurgeTide.cpp: 313"; + rLen = 0; + rLoc = 13187; + rType = 0; + vrLen = 1259; + vrLoc = 11985; + }; 8BA05A660720730100365D66 /* SurgeTide.cpp */ = { uiCtxt = { - sepNavIntBoundsRect = "{{0, 0}, {803, 4680}}"; - sepNavSelRange = "{12636, 0}"; - sepNavVisRange = "{12486, 1129}"; + sepNavIntBoundsRect = "{{0, 0}, {691, 4498}}"; + sepNavSelRange = "{13187, 0}"; + sepNavVisRange = "{11985, 1259}"; sepNavWindowFrame = "{{758, 43}, {679, 835}}"; }; }; @@ -123,22 +133,12 @@ }; 8BC6025B073B072D006C4272 /* SurgeTide.h */ = { uiCtxt = { - sepNavIntBoundsRect = "{{0, 0}, {894, 1846}}"; - sepNavSelRange = "{5345, 0}"; - sepNavVisRange = "{5082, 263}"; + sepNavIntBoundsRect = "{{0, 0}, {894, 1703}}"; + sepNavSelRange = "{5103, 0}"; + sepNavVisRange = "{3609, 1669}"; sepNavWindowFrame = "{{755, 43}, {679, 835}}"; }; }; - 8BC9089C1DC7FFFE008187BE /* PBXTextBookmark */ = { - isa = PBXTextBookmark; - fRef = 8BA05A660720730100365D66 /* SurgeTide.cpp */; - name = "SurgeTide.cpp: 304"; - rLen = 0; - rLoc = 13729; - rType = 0; - vrLen = 592; - vrLoc = 10562; - }; 8BD3CCB8148830B20062E48C /* Source Control */ = { isa = PBXSourceControlManager; fallbackIsa = XCSourceControlManager; diff --git a/plugins/MacAU/SurgeTide/SurgeTide.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/SurgeTide/SurgeTide.xcodeproj/christopherjohnson.perspectivev3 index 5941322..f9eb835 100755 --- a/plugins/MacAU/SurgeTide/SurgeTide.xcodeproj/christopherjohnson.perspectivev3 +++ b/plugins/MacAU/SurgeTide/SurgeTide.xcodeproj/christopherjohnson.perspectivev3 @@ -225,8 +225,8 @@ <array/> <key>PerspectiveWidths</key> <array> - <integer>841</integer> - <integer>841</integer> + <integer>865</integer> + <integer>865</integer> </array> <key>Perspectives</key> <array> @@ -306,7 +306,7 @@ </array> </array> <key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key> - <string>{{0, 0}, {288, 595}}</string> + <string>{{0, 0}, {288, 707}}</string> </dict> <key>PBXTopSmartGroupGIDs</key> <array/> @@ -316,14 +316,14 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{0, 0}, {305, 613}}</string> + <string>{{0, 0}, {305, 725}}</string> <key>GroupTreeTableConfiguration</key> <array> <string>MainColumn</string> <real>288</real> </array> <key>RubberWindowFrame</key> - <string>599 190 841 654 0 0 1440 878 </string> + <string>436 94 865 766 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXSmartGroupTreeModule</string> @@ -334,8 +334,6 @@ <key>Dock</key> <array> <dict> - <key>BecomeActive</key> - <true/> <key>ContentConfiguration</key> <dict> <key>PBXProjectModuleGUID</key> @@ -353,13 +351,13 @@ <key>_historyCapacity</key> <integer>0</integer> <key>bookmark</key> - <string>8B050BEB20648E5500700365</string> + <string>8B7930EF21F4AB96006E9731</string> <key>history</key> <array> <string>8B3221941DC3CF2D00C1FCDF</string> <string>8B3DF6731E6A5BAE00E788B6</string> - <string>8B050BEA20648E5500700365</string> - <string>8BC9089C1DC7FFFE008187BE</string> + <string>8B7930E821F4AB6C006E9731</string> + <string>8B7930EA21F4AB6C006E9731</string> </array> </dict> <key>SplitCount</key> @@ -373,18 +371,18 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{0, 0}, {531, 502}}</string> + <string>{{0, 0}, {555, 495}}</string> <key>RubberWindowFrame</key> - <string>599 190 841 654 0 0 1440 878 </string> + <string>436 94 865 766 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXNavigatorGroup</string> <key>Proportion</key> - <string>502pt</string> + <string>495pt</string> </dict> <dict> <key>Proportion</key> - <string>106pt</string> + <string>225pt</string> <key>Tabs</key> <array> <dict> @@ -398,9 +396,7 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{10, 27}, {531, 79}}</string> - <key>RubberWindowFrame</key> - <string>599 190 841 654 0 0 1440 878 </string> + <string>{{10, 27}, {555, 83}}</string> </dict> <key>Module</key> <string>XCDetailModule</string> @@ -454,7 +450,9 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{10, 27}, {531, 315}}</string> + <string>{{10, 27}, {555, 198}}</string> + <key>RubberWindowFrame</key> + <string>436 94 865 766 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXBuildResultsModule</string> @@ -463,7 +461,7 @@ </dict> </array> <key>Proportion</key> - <string>531pt</string> + <string>555pt</string> </dict> </array> <key>Name</key> @@ -482,11 +480,11 @@ </array> <key>TableOfContents</key> <array> - <string>8B050BEC20648E5500700365</string> + <string>8B7930F021F4AB96006E9731</string> <string>1CA23ED40692098700951B8B</string> - <string>8B050BED20648E5500700365</string> + <string>8B7930F121F4AB96006E9731</string> <string>8BD7274A1D46E5A5000176F0</string> - <string>8B050BEE20648E5500700365</string> + <string>8B7930F221F4AB96006E9731</string> <string>1CA23EDF0692099D00951B8B</string> <string>1CA23EE00692099D00951B8B</string> <string>1CA23EE10692099D00951B8B</string> @@ -659,7 +657,7 @@ <key>StatusbarIsVisible</key> <true/> <key>TimeStamp</key> - <real>543460949.69104803</real> + <real>569682838.98241794</real> <key>ToolbarConfigUserDefaultsMinorVersion</key> <string>2</string> <key>ToolbarDisplayMode</key> @@ -679,7 +677,7 @@ <string>/Users/christopherjohnson/Desktop/MacAU/SurgeTide/SurgeTide.xcodeproj</string> </array> <key>WindowString</key> - <string>599 190 841 654 0 0 1440 878 </string> + <string>436 94 865 766 0 0 1440 878 </string> <key>WindowToolsV3</key> <array> <dict> |