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/ButterComp2 | |
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/ButterComp2')
3 files changed, 32 insertions, 43 deletions
diff --git a/plugins/MacAU/ButterComp2/ButterComp2.cpp b/plugins/MacAU/ButterComp2/ButterComp2.cpp index e85626f..ec45914 100755 --- a/plugins/MacAU/ButterComp2/ButterComp2.cpp +++ b/plugins/MacAU/ButterComp2/ButterComp2.cpp @@ -317,23 +317,15 @@ void ButterComp2::ButterComp2Kernel::Process( const Float32 *inSourceP, flip = !flip; - //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/ButterComp2/ButterComp2.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/ButterComp2/ButterComp2.xcodeproj/christopherjohnson.pbxuser index e13714b..9bf558f 100755 --- a/plugins/MacAU/ButterComp2/ButterComp2.xcodeproj/christopherjohnson.pbxuser +++ b/plugins/MacAU/ButterComp2/ButterComp2.xcodeproj/christopherjohnson.pbxuser @@ -49,13 +49,13 @@ PBXFileDataSource_Warnings_ColumnID, ); }; - PBXPerProjectTemplateStateSaveDate = 559960504; - PBXWorkspaceStateSaveDate = 559960504; + PBXPerProjectTemplateStateSaveDate = 569590507; + PBXWorkspaceStateSaveDate = 569590507; }; perUserProjectItems = { 8B42FD41216050B10092969A /* PBXTextBookmark */ = 8B42FD41216050B10092969A /* PBXTextBookmark */; - 8B42FD83216056480092969A /* PBXTextBookmark */ = 8B42FD83216056480092969A /* PBXTextBookmark */; - 8B42FD84216056480092969A /* PBXTextBookmark */ = 8B42FD84216056480092969A /* PBXTextBookmark */; + 8B79289621F34318006E9731 /* PBXTextBookmark */ = 8B79289621F34318006E9731 /* PBXTextBookmark */; + 8B79289B21F34328006E9731 /* PBXTextBookmark */ = 8B79289B21F34328006E9731 /* PBXTextBookmark */; 8BE6255F2157A02A00E4E476 /* PlistBookmark */ = 8BE6255F2157A02A00E4E476 /* PlistBookmark */; }; sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */; @@ -72,32 +72,32 @@ vrLen = 214; vrLoc = 5453; }; - 8B42FD83216056480092969A /* PBXTextBookmark */ = { + 8B79289621F34318006E9731 /* PBXTextBookmark */ = { isa = PBXTextBookmark; fRef = 8BA05A660720730100365D66 /* ButterComp2.cpp */; name = "ButterComp2.cpp: 252"; rLen = 0; rLoc = 10778; rType = 0; - vrLen = 265; + vrLen = 180; vrLoc = 10712; }; - 8B42FD84216056480092969A /* PBXTextBookmark */ = { + 8B79289B21F34328006E9731 /* PBXTextBookmark */ = { isa = PBXTextBookmark; fRef = 8BA05A660720730100365D66 /* ButterComp2.cpp */; name = "ButterComp2.cpp: 252"; rLen = 0; rLoc = 10778; rType = 0; - vrLen = 265; + vrLen = 180; vrLoc = 10712; }; 8BA05A660720730100365D66 /* ButterComp2.cpp */ = { uiCtxt = { - sepNavIntBoundsRect = "{{0, 0}, {586, 4498}}"; + sepNavIntBoundsRect = "{{0, 0}, {558, 4329}}"; sepNavSelRange = "{10778, 0}"; - sepNavVisRange = "{10712, 265}"; - sepNavWindowFrame = "{{864, 45}, {816, 833}}"; + sepNavVisRange = "{10712, 180}"; + sepNavWindowFrame = "{{496, 45}, {816, 833}}"; }; }; 8BA05A690720730100365D66 /* ButterComp2Version.h */ = { diff --git a/plugins/MacAU/ButterComp2/ButterComp2.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/ButterComp2/ButterComp2.xcodeproj/christopherjohnson.perspectivev3 index c95d3a7..22a4926 100755 --- a/plugins/MacAU/ButterComp2/ButterComp2.xcodeproj/christopherjohnson.perspectivev3 +++ b/plugins/MacAU/ButterComp2/ButterComp2.xcodeproj/christopherjohnson.perspectivev3 @@ -256,8 +256,6 @@ <key>Layout</key> <array> <dict> - <key>BecomeActive</key> - <true/> <key>ContentConfiguration</key> <dict> <key>PBXBottomSmartGroupGIDs</key> @@ -326,7 +324,7 @@ <real>288</real> </array> <key>RubberWindowFrame</key> - <string>662 164 841 654 0 0 1440 878 </string> + <string>456 186 841 654 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXSmartGroupTreeModule</string> @@ -354,12 +352,12 @@ <key>_historyCapacity</key> <integer>0</integer> <key>bookmark</key> - <string>8B42FD84216056480092969A</string> + <string>8B79289B21F34328006E9731</string> <key>history</key> <array> <string>8BE6255F2157A02A00E4E476</string> <string>8B42FD41216050B10092969A</string> - <string>8B42FD83216056480092969A</string> + <string>8B79289621F34318006E9731</string> </array> </dict> <key>SplitCount</key> @@ -373,18 +371,18 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{0, 0}, {531, 126}}</string> + <string>{{0, 0}, {531, 109}}</string> <key>RubberWindowFrame</key> - <string>662 164 841 654 0 0 1440 878 </string> + <string>456 186 841 654 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXNavigatorGroup</string> <key>Proportion</key> - <string>126pt</string> + <string>109pt</string> </dict> <dict> <key>Proportion</key> - <string>482pt</string> + <string>499pt</string> <key>Tabs</key> <array> <dict> @@ -398,9 +396,7 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{10, 27}, {531, 455}}</string> - <key>RubberWindowFrame</key> - <string>662 164 841 654 0 0 1440 878 </string> + <string>{{10, 27}, {531, 472}}</string> </dict> <key>Module</key> <string>XCDetailModule</string> @@ -454,7 +450,9 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{10, 27}, {531, 393}}</string> + <string>{{10, 27}, {531, 472}}</string> + <key>RubberWindowFrame</key> + <string>456 186 841 654 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXBuildResultsModule</string> @@ -482,11 +480,11 @@ </array> <key>TableOfContents</key> <array> - <string>8B42FD85216056480092969A</string> + <string>8B79289C21F34328006E9731</string> <string>1CA23ED40692098700951B8B</string> - <string>8B42FD86216056480092969A</string> + <string>8B79289D21F34328006E9731</string> <string>8BD7274A1D46E5A5000176F0</string> - <string>8B42FD87216056480092969A</string> + <string>8B79289E21F34328006E9731</string> <string>1CA23EDF0692099D00951B8B</string> <string>1CA23EE00692099D00951B8B</string> <string>1CA23EE10692099D00951B8B</string> @@ -659,7 +657,7 @@ <key>StatusbarIsVisible</key> <true/> <key>TimeStamp</key> - <real>559961672.53862405</real> + <real>569590568.39095497</real> <key>ToolbarConfigUserDefaultsMinorVersion</key> <string>2</string> <key>ToolbarDisplayMode</key> @@ -676,11 +674,10 @@ <integer>5</integer> <key>WindowOrderList</key> <array> - <string>8B42FD88216056480092969A</string> <string>/Users/christopherjohnson/Desktop/MacAU/ButterComp2/ButterComp2.xcodeproj</string> </array> <key>WindowString</key> - <string>662 164 841 654 0 0 1440 878 </string> + <string>456 186 841 654 0 0 1440 878 </string> <key>WindowToolsV3</key> <array> <dict> |