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/MacVST/Desk | |
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/MacVST/Desk')
-rwxr-xr-x | plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.pbxuser | 8 | ||||
-rwxr-xr-x | plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.perspectivev3 | 17 | ||||
-rwxr-xr-x | plugins/MacVST/Desk/Desk.xcodeproj/project.pbxproj | 4 | ||||
-rwxr-xr-x | plugins/MacVST/Desk/source/Desk.cpp | 7 | ||||
-rwxr-xr-x | plugins/MacVST/Desk/source/Desk.h | 7 | ||||
-rwxr-xr-x | plugins/MacVST/Desk/source/DeskProc.cpp | 62 |
6 files changed, 36 insertions, 69 deletions
diff --git a/plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.pbxuser b/plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.pbxuser index 44f049e..9a65a01 100755 --- a/plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.pbxuser +++ b/plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.pbxuser @@ -2,7 +2,7 @@ { 089C1669FE841209C02AAC07 /* Project object */ = { activeBuildConfigurationName = Release; - activeTarget = 8D01CCC60486CAD60068D4B7 /* Desk */; + activeTarget = 8D01CCC60486CAD60068D4B7 /* AudioUnit */; codeSenseManager = 8B02375F1D42B1C400E1E8C8 /* Code sense */; perUserDictionary = { PBXConfiguration.PBXFileTableDataSource3.PBXFileTableDataSource = { @@ -49,8 +49,8 @@ PBXFileDataSource_Warnings_ColumnID, ); }; - PBXPerProjectTemplateStateSaveDate = 528459930; - PBXWorkspaceStateSaveDate = 528459930; + PBXPerProjectTemplateStateSaveDate = 569734422; + PBXWorkspaceStateSaveDate = 569734422; }; sourceControlManager = 8B02375E1D42B1C400E1E8C8 /* Source Control */; userBuildSettings = { @@ -102,7 +102,7 @@ isa = PBXCodeSenseManager; indexTemplatePath = ""; }; - 8D01CCC60486CAD60068D4B7 /* Desk */ = { + 8D01CCC60486CAD60068D4B7 /* AudioUnit */ = { activeExec = 0; }; } diff --git a/plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.perspectivev3 index cc9907f..58a32ea 100755 --- a/plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.perspectivev3 +++ b/plugins/MacVST/Desk/Desk.xcodeproj/christopherjohnson.perspectivev3 @@ -360,18 +360,18 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{0, 0}, {603, 13}}</string> + <string>{{0, 0}, {603, 0}}</string> <key>RubberWindowFrame</key> <string>430 335 810 487 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXNavigatorGroup</string> <key>Proportion</key> - <string>13pt</string> + <string>0pt</string> </dict> <dict> <key>Proportion</key> - <string>428pt</string> + <string>441pt</string> <key>Tabs</key> <array> <dict> @@ -385,7 +385,7 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{10, 27}, {603, 401}}</string> + <string>{{10, 27}, {603, 414}}</string> <key>RubberWindowFrame</key> <string>430 335 810 487 0 0 1440 878 </string> </dict> @@ -469,11 +469,11 @@ </array> <key>TableOfContents</key> <array> - <string>8B9D793A1F7FA950007AB60F</string> + <string>8B7937D821F57520006E9731</string> <string>1CA23ED40692098700951B8B</string> - <string>8B9D793B1F7FA950007AB60F</string> + <string>8B7937D921F57520006E9731</string> <string>8B0237581D42B1C400E1E8C8</string> - <string>8B9D793C1F7FA950007AB60F</string> + <string>8B7937DA21F57520006E9731</string> <string>1CA23EDF0692099D00951B8B</string> <string>1CA23EE00692099D00951B8B</string> <string>1CA23EE10692099D00951B8B</string> @@ -626,7 +626,7 @@ <key>StatusbarIsVisible</key> <true/> <key>TimeStamp</key> - <real>528460112.51118302</real> + <real>569734432.71270597</real> <key>ToolbarConfigUserDefaultsMinorVersion</key> <string>2</string> <key>ToolbarDisplayMode</key> @@ -643,7 +643,6 @@ <integer>5</integer> <key>WindowOrderList</key> <array> - <string>8B9D793D1F7FA950007AB60F</string> <string>/Users/christopherjohnson/Desktop/MacVST/Desk/Desk.xcodeproj</string> </array> <key>WindowString</key> diff --git a/plugins/MacVST/Desk/Desk.xcodeproj/project.pbxproj b/plugins/MacVST/Desk/Desk.xcodeproj/project.pbxproj index a170a5b..43a43a9 100755 --- a/plugins/MacVST/Desk/Desk.xcodeproj/project.pbxproj +++ b/plugins/MacVST/Desk/Desk.xcodeproj/project.pbxproj @@ -1894,7 +1894,7 @@ /* End PBXHeadersBuildPhase section */ /* Begin PBXNativeTarget section */ - 8D01CCC60486CAD60068D4B7 /* Desk */ = { + 8D01CCC60486CAD60068D4B7 /* AudioUnit */ = { isa = PBXNativeTarget; buildConfigurationList = 24BEAAED08919AE700E695F9 /* Build configuration list for PBXNativeTarget "Desk" */; buildPhases = ( @@ -1947,7 +1947,7 @@ ); projectRoot = ""; targets = ( - 8D01CCC60486CAD60068D4B7 /* Desk */, + 8D01CCC60486CAD60068D4B7 /* AudioUnit */, ); }; /* End PBXProject section */ diff --git a/plugins/MacVST/Desk/source/Desk.cpp b/plugins/MacVST/Desk/source/Desk.cpp index 7a30943..9582f04 100755 --- a/plugins/MacVST/Desk/source/Desk.cpp +++ b/plugins/MacVST/Desk/source/Desk.cpp @@ -18,11 +18,8 @@ Desk::Desk(audioMasterCallback audioMaster) : lastSampleR = 0.0; lastOutSampleR = 0.0; lastSlewR = 0.0; - fpNShapeLA = 0.0; - fpNShapeLB = 0.0; - fpNShapeRA = 0.0; - fpNShapeRB = 0.0; - fpFlip = true; + fpNShapeL = 0.0; + fpNShapeR = 0.0; //this is reset: values being initialized only once. Startup values, whatever they are. _canDo.insert("plugAsChannelInsert"); // plug-in can be used as a channel insert effect. diff --git a/plugins/MacVST/Desk/source/Desk.h b/plugins/MacVST/Desk/source/Desk.h index 8c5c398..f7f933d 100755 --- a/plugins/MacVST/Desk/source/Desk.h +++ b/plugins/MacVST/Desk/source/Desk.h @@ -51,11 +51,8 @@ private: char _programName[kVstMaxProgNameLen + 1]; std::set< std::string > _canDo; - long double fpNShapeLA; - long double fpNShapeLB; - long double fpNShapeRA; - long double fpNShapeRB; - bool fpFlip; + long double fpNShapeL; + long double fpNShapeR; //default stuff long double lastSampleL; diff --git a/plugins/MacVST/Desk/source/DeskProc.cpp b/plugins/MacVST/Desk/source/DeskProc.cpp index a2bc92c..d53894b 100755 --- a/plugins/MacVST/Desk/source/DeskProc.cpp +++ b/plugins/MacVST/Desk/source/DeskProc.cpp @@ -29,9 +29,6 @@ void Desk::processReplacing(float **inputs, float **outputs, VstInt32 sampleFram double bridgerectifier; double combsample; - float fpTemp; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; long double inputSampleL; long double inputSampleR; @@ -151,25 +148,14 @@ void Desk::processReplacing(float **inputs, float **outputs, VstInt32 sampleFram inputSampleR /= gain; //end R - //noise shaping to 32-bit floating point - if (fpFlip) { - fpTemp = inputSampleL; - fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); - inputSampleL += fpNShapeLA; - fpTemp = inputSampleR; - fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); - inputSampleR += fpNShapeRA; - } - else { - fpTemp = inputSampleL; - fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); - inputSampleL += fpNShapeLB; - fpTemp = inputSampleR; - fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); - inputSampleR += fpNShapeRB; - } - fpFlip = !fpFlip; - //end noise shaping on 32 bit output + //stereo 32 bit dither, made small and tidy. + int expon; frexpf((float)inputSampleL, &expon); + long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); + inputSampleL += (dither-fpNShapeL); fpNShapeL = dither; + frexpf((float)inputSampleR, &expon); + dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); + inputSampleR += (dither-fpNShapeR); fpNShapeR = dither; + //end 32 bit dither *out1 = inputSampleL; *out2 = inputSampleR; @@ -203,9 +189,6 @@ void Desk::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sa double bridgerectifier; double combsample; - double fpTemp; //this is different from singlereplacing - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; long double inputSampleL; long double inputSampleR; @@ -325,25 +308,16 @@ void Desk::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sa inputSampleR /= gain; //end R - //noise shaping to 64-bit floating point - if (fpFlip) { - fpTemp = inputSampleL; - fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); - inputSampleL += fpNShapeLA; - fpTemp = inputSampleR; - fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); - inputSampleR += fpNShapeRA; - } - else { - fpTemp = inputSampleL; - fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); - inputSampleL += fpNShapeLB; - fpTemp = inputSampleR; - fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); - inputSampleR += fpNShapeRB; - } - fpFlip = !fpFlip; - //end noise shaping on 64 bit output + //stereo 64 bit dither, made small and tidy. + int expon; frexp((double)inputSampleL, &expon); + long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); + dither /= 536870912.0; //needs this to scale to 64 bit zone + inputSampleL += (dither-fpNShapeL); fpNShapeL = dither; + frexp((double)inputSampleR, &expon); + dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); + dither /= 536870912.0; //needs this to scale to 64 bit zone + inputSampleR += (dither-fpNShapeR); fpNShapeR = dither; + //end 64 bit dither *out1 = inputSampleL; *out2 = inputSampleR; |