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/TapeFat | |
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/TapeFat')
3 files changed, 68 insertions, 79 deletions
diff --git a/plugins/MacAU/TapeFat/TapeFat.cpp b/plugins/MacAU/TapeFat/TapeFat.cpp index d95de3a..42e9d60 100755 --- a/plugins/MacAU/TapeFat/TapeFat.cpp +++ b/plugins/MacAU/TapeFat/TapeFat.cpp @@ -263,23 +263,15 @@ void TapeFat::TapeFatKernel::Process( const Float32 *inSourceP, gcount--; - //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/TapeFat/TapeFat.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/TapeFat/TapeFat.xcodeproj/christopherjohnson.pbxuser index b5c4293..640ec56 100755 --- a/plugins/MacAU/TapeFat/TapeFat.xcodeproj/christopherjohnson.pbxuser +++ b/plugins/MacAU/TapeFat/TapeFat.xcodeproj/christopherjohnson.pbxuser @@ -10,7 +10,7 @@ PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID; PBXFileTableDataSourceColumnWidthsKey = ( 20, - 292, + 398, 20, 48, 43, @@ -49,24 +49,54 @@ PBXFileDataSource_Warnings_ColumnID, ); }; - PBXPerProjectTemplateStateSaveDate = 566516790; - PBXWorkspaceStateSaveDate = 566516790; + PBXPerProjectTemplateStateSaveDate = 569684489; + PBXWorkspaceStateSaveDate = 569684489; }; perUserProjectItems = { + 8B79316521F4B25B006E9731 /* PBXTextBookmark */ = 8B79316521F4B25B006E9731 /* PBXTextBookmark */; + 8B79316721F4B25B006E9731 /* PBXTextBookmark */ = 8B79316721F4B25B006E9731 /* PBXTextBookmark */; + 8B79316C21F4B278006E9731 /* PBXTextBookmark */ = 8B79316C21F4B278006E9731 /* PBXTextBookmark */; 8BBB319521B8A4BD00825986 /* PlistBookmark */ = 8BBB319521B8A4BD00825986 /* PlistBookmark */; - 8BBB336921C45BB400825986 /* PBXTextBookmark */ = 8BBB336921C45BB400825986 /* PBXTextBookmark */; - 8BBB339021C45C6E00825986 /* PBXTextBookmark */ = 8BBB339021C45C6E00825986 /* PBXTextBookmark */; - 8BBB339121C45C6E00825986 /* PBXTextBookmark */ = 8BBB339121C45C6E00825986 /* PBXTextBookmark */; }; sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */; userBuildSettings = { }; }; + 8B79316521F4B25B006E9731 /* PBXTextBookmark */ = { + isa = PBXTextBookmark; + fRef = 8BC6025B073B072D006C4272 /* TapeFat.h */; + name = "TapeFat.h: 133"; + rLen = 0; + rLoc = 5283; + rType = 0; + vrLen = 301; + vrLoc = 5036; + }; + 8B79316721F4B25B006E9731 /* PBXTextBookmark */ = { + isa = PBXTextBookmark; + fRef = 8BA05A660720730100365D66 /* TapeFat.cpp */; + name = "TapeFat.cpp: 276"; + rLen = 0; + rLoc = 11440; + rType = 0; + vrLen = 1045; + vrLoc = 10398; + }; + 8B79316C21F4B278006E9731 /* PBXTextBookmark */ = { + isa = PBXTextBookmark; + fRef = 8BA05A660720730100365D66 /* TapeFat.cpp */; + name = "TapeFat.cpp: 276"; + rLen = 0; + rLoc = 11440; + rType = 0; + vrLen = 1082; + vrLoc = 10361; + }; 8BA05A660720730100365D66 /* TapeFat.cpp */ = { uiCtxt = { - sepNavIntBoundsRect = "{{0, 0}, {817, 3900}}"; - sepNavSelRange = "{0, 0}"; - sepNavVisRange = "{3, 648}"; + sepNavIntBoundsRect = "{{0, 0}, {656, 3835}}"; + sepNavSelRange = "{11440, 0}"; + sepNavVisRange = "{10361, 1082}"; sepNavWindowFrame = "{{777, -19}, {1129, 834}}"; }; }; @@ -90,41 +120,11 @@ rLen = 0; rLoc = 9223372036854775808; }; - 8BBB336921C45BB400825986 /* PBXTextBookmark */ = { - isa = PBXTextBookmark; - fRef = 8BA05A660720730100365D66 /* TapeFat.cpp */; - name = "TapeFat.cpp: 1"; - rLen = 0; - rLoc = 0; - rType = 0; - vrLen = 651; - vrLoc = 0; - }; - 8BBB339021C45C6E00825986 /* PBXTextBookmark */ = { - isa = PBXTextBookmark; - fRef = 8BC6025B073B072D006C4272 /* TapeFat.h */; - name = "TapeFat.h: 133"; - rLen = 0; - rLoc = 5283; - rType = 0; - vrLen = 302; - vrLoc = 5036; - }; - 8BBB339121C45C6E00825986 /* PBXTextBookmark */ = { - isa = PBXTextBookmark; - fRef = 8BA05A660720730100365D66 /* TapeFat.cpp */; - name = "TapeFat.cpp: 1"; - rLen = 0; - rLoc = 0; - rType = 0; - vrLen = 648; - vrLoc = 3; - }; 8BC6025B073B072D006C4272 /* TapeFat.h */ = { uiCtxt = { sepNavIntBoundsRect = "{{0, 0}, {894, 2015}}"; sepNavSelRange = "{5283, 0}"; - sepNavVisRange = "{5036, 302}"; + sepNavVisRange = "{5036, 301}"; sepNavWindowFrame = "{{806, -59}, {1129, 834}}"; }; }; diff --git a/plugins/MacAU/TapeFat/TapeFat.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/TapeFat/TapeFat.xcodeproj/christopherjohnson.perspectivev3 index dfd80e8..343eaae 100755 --- a/plugins/MacAU/TapeFat/TapeFat.xcodeproj/christopherjohnson.perspectivev3 +++ b/plugins/MacAU/TapeFat/TapeFat.xcodeproj/christopherjohnson.perspectivev3 @@ -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>288</real> + <real>182</real> </array> <key>PBXSmartGroupTreeModuleColumnsKey_v4</key> <array> @@ -309,7 +307,7 @@ </array> </array> <key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key> - <string>{{0, 0}, {288, 595}}</string> + <string>{{0, 0}, {182, 595}}</string> </dict> <key>PBXTopSmartGroupGIDs</key> <array/> @@ -319,19 +317,19 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{0, 0}, {305, 613}}</string> + <string>{{0, 0}, {199, 613}}</string> <key>GroupTreeTableConfiguration</key> <array> <string>MainColumn</string> - <real>288</real> + <real>182</real> </array> <key>RubberWindowFrame</key> - <string>599 89 841 654 0 0 1440 878 </string> + <string>440 183 841 654 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXSmartGroupTreeModule</string> <key>Proportion</key> - <string>305pt</string> + <string>199pt</string> </dict> <dict> <key>Dock</key> @@ -354,12 +352,12 @@ <key>_historyCapacity</key> <integer>0</integer> <key>bookmark</key> - <string>8BBB339121C45C6E00825986</string> + <string>8B79316C21F4B278006E9731</string> <key>history</key> <array> <string>8BBB319521B8A4BD00825986</string> - <string>8BBB339021C45C6E00825986</string> - <string>8BBB336921C45BB400825986</string> + <string>8B79316521F4B25B006E9731</string> + <string>8B79316721F4B25B006E9731</string> </array> </dict> <key>SplitCount</key> @@ -373,18 +371,18 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{0, 0}, {531, 216}}</string> + <string>{{0, 0}, {637, 512}}</string> <key>RubberWindowFrame</key> - <string>599 89 841 654 0 0 1440 878 </string> + <string>440 183 841 654 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXNavigatorGroup</string> <key>Proportion</key> - <string>216pt</string> + <string>512pt</string> </dict> <dict> <key>Proportion</key> - <string>392pt</string> + <string>96pt</string> <key>Tabs</key> <array> <dict> @@ -398,9 +396,7 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{10, 27}, {531, 365}}</string> - <key>RubberWindowFrame</key> - <string>599 89 841 654 0 0 1440 878 </string> + <string>{{10, 27}, {637, 69}}</string> </dict> <key>Module</key> <string>XCDetailModule</string> @@ -454,7 +450,9 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{10, 27}, {531, 339}}</string> + <string>{{10, 27}, {637, 69}}</string> + <key>RubberWindowFrame</key> + <string>440 183 841 654 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>637pt</string> </dict> </array> <key>Name</key> @@ -482,11 +480,11 @@ </array> <key>TableOfContents</key> <array> - <string>8BBB339221C45C6E00825986</string> + <string>8B79316D21F4B278006E9731</string> <string>1CA23ED40692098700951B8B</string> - <string>8BBB339321C45C6E00825986</string> + <string>8B79316E21F4B278006E9731</string> <string>8BD7274A1D46E5A5000176F0</string> - <string>8BBB339421C45C6E00825986</string> + <string>8B79316F21F4B278006E9731</string> <string>1CA23EDF0692099D00951B8B</string> <string>1CA23EE00692099D00951B8B</string> <string>1CA23EE10692099D00951B8B</string> @@ -659,7 +657,7 @@ <key>StatusbarIsVisible</key> <true/> <key>TimeStamp</key> - <real>566516846.91763997</real> + <real>569684600.92815804</real> <key>ToolbarConfigUserDefaultsMinorVersion</key> <string>2</string> <key>ToolbarDisplayMode</key> @@ -676,11 +674,10 @@ <integer>5</integer> <key>WindowOrderList</key> <array> - <string>8BBB339521C45C6E00825986</string> <string>/Users/christopherjohnson/Desktop/MacAU/TapeFat/TapeFat.xcodeproj</string> </array> <key>WindowString</key> - <string>599 89 841 654 0 0 1440 878 </string> + <string>440 183 841 654 0 0 1440 878 </string> <key>WindowToolsV3</key> <array> <dict> |