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/Crystal | |
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/Crystal')
4 files changed, 40 insertions, 57 deletions
diff --git a/plugins/MacVST/Crystal/Crystal.xcodeproj/christopherjohnson.pbxuser b/plugins/MacVST/Crystal/Crystal.xcodeproj/christopherjohnson.pbxuser index bf745a3..d708fdd 100755 --- a/plugins/MacVST/Crystal/Crystal.xcodeproj/christopherjohnson.pbxuser +++ b/plugins/MacVST/Crystal/Crystal.xcodeproj/christopherjohnson.pbxuser @@ -2,7 +2,7 @@ { 089C1669FE841209C02AAC07 /* Project object */ = { activeBuildConfigurationName = Release; - activeTarget = 8D01CCC60486CAD60068D4B7 /* Crystal */; + activeTarget = 8D01CCC60486CAD60068D4B7 /* AudioUnit */; codeSenseManager = 8B02375F1D42B1C400E1E8C8 /* Code sense */; perUserDictionary = { PBXConfiguration.PBXFileTableDataSource3.PBXFileTableDataSource = { @@ -49,8 +49,8 @@ PBXFileDataSource_Warnings_ColumnID, ); }; - PBXPerProjectTemplateStateSaveDate = 566521896; - PBXWorkspaceStateSaveDate = 566521896; + PBXPerProjectTemplateStateSaveDate = 569734133; + PBXWorkspaceStateSaveDate = 569734133; }; sourceControlManager = 8B02375E1D42B1C400E1E8C8 /* Source Control */; userBuildSettings = { @@ -102,7 +102,7 @@ isa = PBXCodeSenseManager; indexTemplatePath = ""; }; - 8D01CCC60486CAD60068D4B7 /* Crystal */ = { + 8D01CCC60486CAD60068D4B7 /* AudioUnit */ = { activeExec = 0; }; } diff --git a/plugins/MacVST/Crystal/Crystal.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacVST/Crystal/Crystal.xcodeproj/christopherjohnson.perspectivev3 index a08084d..741397c 100755 --- a/plugins/MacVST/Crystal/Crystal.xcodeproj/christopherjohnson.perspectivev3 +++ b/plugins/MacVST/Crystal/Crystal.xcodeproj/christopherjohnson.perspectivev3 @@ -256,6 +256,8 @@ <key>Layout</key> <array> <dict> + <key>BecomeActive</key> + <true/> <key>ContentConfiguration</key> <dict> <key>PBXBottomSmartGroupGIDs</key> @@ -321,7 +323,7 @@ <real>185</real> </array> <key>RubberWindowFrame</key> - <string>17 376 810 487 0 0 1440 878 </string> + <string>354 282 810 487 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXSmartGroupTreeModule</string> @@ -358,18 +360,18 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{0, 0}, {603, 102}}</string> + <string>{{0, 0}, {603, 86}}</string> <key>RubberWindowFrame</key> - <string>17 376 810 487 0 0 1440 878 </string> + <string>354 282 810 487 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXNavigatorGroup</string> <key>Proportion</key> - <string>102pt</string> + <string>86pt</string> </dict> <dict> <key>Proportion</key> - <string>339pt</string> + <string>355pt</string> <key>Tabs</key> <array> <dict> @@ -383,7 +385,9 @@ <key>GeometryConfiguration</key> <dict> <key>Frame</key> - <string>{{10, 27}, {603, 312}}</string> + <string>{{10, 27}, {603, 328}}</string> + <key>RubberWindowFrame</key> + <string>354 282 810 487 0 0 1440 878 </string> </dict> <key>Module</key> <string>XCDetailModule</string> @@ -438,8 +442,6 @@ <dict> <key>Frame</key> <string>{{10, 27}, {603, 312}}</string> - <key>RubberWindowFrame</key> - <string>17 376 810 487 0 0 1440 878 </string> </dict> <key>Module</key> <string>PBXBuildResultsModule</string> @@ -467,11 +469,11 @@ </array> <key>TableOfContents</key> <array> - <string>8BBB351421C4819F00825986</string> + <string>8B79371721F57400006E9731</string> <string>1CA23ED40692098700951B8B</string> - <string>8BBB351521C4819F00825986</string> + <string>8B79371821F57400006E9731</string> <string>8B0237581D42B1C400E1E8C8</string> - <string>8BBB351621C4819F00825986</string> + <string>8B79371921F57400006E9731</string> <string>1CA23EDF0692099D00951B8B</string> <string>1CA23EE00692099D00951B8B</string> <string>1CA23EE10692099D00951B8B</string> @@ -624,7 +626,7 @@ <key>StatusbarIsVisible</key> <true/> <key>TimeStamp</key> - <real>566526367.832932</real> + <real>569734144.20878696</real> <key>ToolbarConfigUserDefaultsMinorVersion</key> <string>2</string> <key>ToolbarDisplayMode</key> @@ -641,11 +643,10 @@ <integer>5</integer> <key>WindowOrderList</key> <array> - <string>8BBB351721C4819F00825986</string> - <string>/Users/christopherjohnson/Desktop/Crystal/Crystal.xcodeproj</string> + <string>/Users/christopherjohnson/Desktop/MacVST/Crystal/Crystal.xcodeproj</string> </array> <key>WindowString</key> - <string>17 376 810 487 0 0 1440 878 </string> + <string>354 282 810 487 0 0 1440 878 </string> <key>WindowToolsV3</key> <array> <dict> diff --git a/plugins/MacVST/Crystal/Crystal.xcodeproj/project.pbxproj b/plugins/MacVST/Crystal/Crystal.xcodeproj/project.pbxproj index 871c751..79cf9d3 100755 --- a/plugins/MacVST/Crystal/Crystal.xcodeproj/project.pbxproj +++ b/plugins/MacVST/Crystal/Crystal.xcodeproj/project.pbxproj @@ -1894,7 +1894,7 @@ /* End PBXHeadersBuildPhase section */ /* Begin PBXNativeTarget section */ - 8D01CCC60486CAD60068D4B7 /* Crystal */ = { + 8D01CCC60486CAD60068D4B7 /* AudioUnit */ = { isa = PBXNativeTarget; buildConfigurationList = 24BEAAED08919AE700E695F9 /* Build configuration list for PBXNativeTarget "Crystal" */; buildPhases = ( @@ -1947,7 +1947,7 @@ ); projectRoot = ""; targets = ( - 8D01CCC60486CAD60068D4B7 /* Crystal */, + 8D01CCC60486CAD60068D4B7 /* AudioUnit */, ); }; /* End PBXProject section */ diff --git a/plugins/MacVST/Crystal/source/CrystalProc.cpp b/plugins/MacVST/Crystal/source/CrystalProc.cpp index 9c62355..7e696a7 100755 --- a/plugins/MacVST/Crystal/source/CrystalProc.cpp +++ b/plugins/MacVST/Crystal/source/CrystalProc.cpp @@ -191,18 +191,14 @@ void Crystal::processReplacing(float **inputs, float **outputs, VstInt32 sampleF //when current and old samples are different from each other, otherwise you can't tell it's there. //This is not only during silence but the tops of low frequency waves: it scales down to affect lows more gently. - //noise shaping to 32-bit floating point - float fpTemp = inputSampleL; - fpNShapeL += (inputSampleL-fpTemp); - inputSampleL += fpNShapeL; - //if this confuses you look at the wordlength for fpTemp :) - fpTemp = inputSampleR; - fpNShapeR += (inputSampleR-fpTemp); - inputSampleR += fpNShapeR; - //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 + //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; @@ -212,12 +208,6 @@ void Crystal::processReplacing(float **inputs, float **outputs, VstInt32 sampleF *out1++; *out2++; } - fpNShapeL *= 0.999999; - fpNShapeR *= 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. } void Crystal::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) @@ -404,18 +394,16 @@ void Crystal::processDoubleReplacing(double **inputs, double **outputs, VstInt32 //when current and old samples are different from each other, otherwise you can't tell it's there. //This is not only during silence but the tops of low frequency waves: it scales down to affect lows more gently. - //noise shaping to 64-bit floating point - double fpTemp = inputSampleL; - fpNShapeL += (inputSampleL-fpTemp); - inputSampleL += fpNShapeL; - //if this confuses you look at the wordlength for fpTemp :) - fpTemp = inputSampleR; - fpNShapeR += (inputSampleR-fpTemp); - inputSampleR += fpNShapeR; - //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 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; @@ -425,10 +413,4 @@ void Crystal::processDoubleReplacing(double **inputs, double **outputs, VstInt32 *out1++; *out2++; } - fpNShapeL *= 0.999999; - fpNShapeR *= 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. } |