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authorChris Johnson <jinx6568@sover.net>2019-01-27 21:13:54 -0500
committerChris Johnson <jinx6568@sover.net>2019-01-27 21:13:54 -0500
commit966f2d253cd2ee6ce140ad68095a20a9d2b63052 (patch)
treeb0400d95bd06512531ade6ddf55190a58b6a5623 /plugins/MacAU/TapeDust
parent0887543349dbbec0721a1fc8b1c7deba9afefa8b (diff)
downloadairwindows-lv2-port-966f2d253cd2ee6ce140ad68095a20a9d2b63052.tar.gz
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Floating Point Dither For All
Diffstat (limited to 'plugins/MacAU/TapeDust')
-rwxr-xr-xplugins/MacAU/TapeDust/TapeDust.cpp27
-rwxr-xr-xplugins/MacAU/TapeDust/TapeDust.h3
-rwxr-xr-xplugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.pbxuser66
-rwxr-xr-xplugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.perspectivev359
4 files changed, 82 insertions, 73 deletions
diff --git a/plugins/MacAU/TapeDust/TapeDust.cpp b/plugins/MacAU/TapeDust/TapeDust.cpp
index 1f87d66..c586339 100755
--- a/plugins/MacAU/TapeDust/TapeDust.cpp
+++ b/plugins/MacAU/TapeDust/TapeDust.cpp
@@ -167,9 +167,8 @@ ComponentResult TapeDust::Initialize()
void TapeDust::TapeDustKernel::Reset()
{
for(int count = 0; count < 11; count++) {b[count] = 0.0; f[count] = 0.0;}
- fpNShapeA = 0.0;
- fpNShapeB = 0.0;
- fpFlip = true;
+ fpNShape = 0.0;
+ fpFlip = false;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -184,9 +183,6 @@ void TapeDust::TapeDustKernel::Process( const Float32 *inSourceP,
UInt32 nSampleFrames = inFramesToProcess;
const Float32 *sourceP = inSourceP;
Float32 *destP = inDestP;
- Float32 fpTemp;
- long double fpOld = 0.618033988749894848204586; //golden ratio!
- long double fpNew = 1.0 - fpOld;
long double inputSample;
Float64 drySample;
Float64 rRange = pow(GetParameter( kParam_One ),2)*5.0;
@@ -250,20 +246,13 @@ void TapeDust::TapeDustKernel::Process( const Float32 *inSourceP,
if (wet < 1.0) {
inputSample = (inputSample * wet) + (drySample * dry);
}
-
- //noise shaping to 32-bit floating point
- if (fpFlip) {
- fpTemp = inputSample;
- fpNShapeA = (fpNShapeA*fpOld)+((inputSample-fpTemp)*fpNew);
- inputSample += fpNShapeA;
- }
- else {
- fpTemp = inputSample;
- fpNShapeB = (fpNShapeB*fpOld)+((inputSample-fpTemp)*fpNew);
- inputSample += fpNShapeB;
- }
fpFlip = !fpFlip;
- //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;
diff --git a/plugins/MacAU/TapeDust/TapeDust.h b/plugins/MacAU/TapeDust/TapeDust.h
index 55255f3..6898d7e 100755
--- a/plugins/MacAU/TapeDust/TapeDust.h
+++ b/plugins/MacAU/TapeDust/TapeDust.h
@@ -130,8 +130,7 @@ public:
private:
Float64 b[11];
Float64 f[11];
- long double fpNShapeA;
- long double fpNShapeB;
+ long double fpNShape;
bool fpFlip;
};
};
diff --git a/plugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.pbxuser
index 910a299..7e3a474 100755
--- a/plugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.pbxuser
+++ b/plugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.pbxuser
@@ -10,7 +10,7 @@
PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID;
PBXFileTableDataSourceColumnWidthsKey = (
20,
- 292,
+ 499,
20,
48,
43,
@@ -49,18 +49,20 @@
PBXFileDataSource_Warnings_ColumnID,
);
};
- PBXPerProjectTemplateStateSaveDate = 528458482;
- PBXWorkspaceStateSaveDate = 528458482;
+ PBXPerProjectTemplateStateSaveDate = 569683382;
+ PBXWorkspaceStateSaveDate = 569683382;
};
perUserProjectItems = {
- 8B9D67BE1F7C9098007AB60F /* PlistBookmark */ = 8B9D67BE1F7C9098007AB60F /* PlistBookmark */;
- 8B9D76A21F7FA30E007AB60F /* PlistBookmark */ = 8B9D76A21F7FA30E007AB60F /* PlistBookmark */;
+ 8B79314C21F4AE33006E9731 /* PlistBookmark */ = 8B79314C21F4AE33006E9731 /* PlistBookmark */;
+ 8B79315421F4AE7A006E9731 /* PBXTextBookmark */ = 8B79315421F4AE7A006E9731 /* PBXTextBookmark */;
+ 8B79315521F4AE7A006E9731 /* PBXTextBookmark */ = 8B79315521F4AE7A006E9731 /* PBXTextBookmark */;
+ 8B79315621F4AE7A006E9731 /* PBXTextBookmark */ = 8B79315621F4AE7A006E9731 /* PBXTextBookmark */;
};
sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */;
userBuildSettings = {
};
};
- 8B9D67BE1F7C9098007AB60F /* PlistBookmark */ = {
+ 8B79314C21F4AE33006E9731 /* PlistBookmark */ = {
isa = PlistBookmark;
fRef = 8D01CCD10486CAD60068D4B7 /* Info.plist */;
fallbackIsa = PBXBookmark;
@@ -70,25 +72,43 @@
);
name = /Users/christopherjohnson/Desktop/MacAU/TapeDust/Info.plist;
rLen = 0;
- rLoc = 9223372036854775808;
+ rLoc = 9223372036854775807;
};
- 8B9D76A21F7FA30E007AB60F /* PlistBookmark */ = {
- isa = PlistBookmark;
- fRef = 8D01CCD10486CAD60068D4B7 /* Info.plist */;
- fallbackIsa = PBXBookmark;
- isK = 0;
- kPath = (
- CFBundleName,
- );
- name = /Users/christopherjohnson/Desktop/MacAU/TapeDust/Info.plist;
+ 8B79315421F4AE7A006E9731 /* PBXTextBookmark */ = {
+ isa = PBXTextBookmark;
+ fRef = 8BC6025B073B072D006C4272 /* TapeDust.h */;
+ name = "TapeDust.h: 134";
rLen = 0;
- rLoc = 9223372036854775807;
+ rLoc = 5248;
+ rType = 0;
+ vrLen = 1104;
+ vrLoc = 4248;
+ };
+ 8B79315521F4AE7A006E9731 /* PBXTextBookmark */ = {
+ isa = PBXTextBookmark;
+ fRef = 8BA05A660720730100365D66 /* TapeDust.cpp */;
+ name = "TapeDust.cpp: 171";
+ rLen = 0;
+ rLoc = 7722;
+ rType = 0;
+ vrLen = 1529;
+ vrLoc = 7003;
+ };
+ 8B79315621F4AE7A006E9731 /* PBXTextBookmark */ = {
+ isa = PBXTextBookmark;
+ fRef = 8BA05A660720730100365D66 /* TapeDust.cpp */;
+ name = "TapeDust.cpp: 249";
+ rLen = 0;
+ rLoc = 10792;
+ rType = 0;
+ vrLen = 959;
+ vrLoc = 10175;
};
8BA05A660720730100365D66 /* TapeDust.cpp */ = {
uiCtxt = {
- sepNavIntBoundsRect = "{{0, 0}, {958, 3679}}";
- sepNavSelRange = "{9254, 0}";
- sepNavVisRange = "{8609, 2167}";
+ sepNavIntBoundsRect = "{{0, 0}, {691, 3666}}";
+ sepNavSelRange = "{10792, 0}";
+ sepNavVisRange = "{10175, 959}";
sepNavWindowFrame = "{{415, 39}, {1005, 839}}";
};
};
@@ -102,9 +122,9 @@
};
8BC6025B073B072D006C4272 /* TapeDust.h */ = {
uiCtxt = {
- sepNavIntBoundsRect = "{{0, 0}, {958, 1846}}";
- sepNavSelRange = "{5174, 36}";
- sepNavVisRange = "{3746, 1638}";
+ sepNavIntBoundsRect = "{{0, 0}, {894, 2054}}";
+ sepNavSelRange = "{5248, 0}";
+ sepNavVisRange = "{4248, 1110}";
sepNavWindowFrame = "{{4, 39}, {1005, 839}}";
};
};
diff --git a/plugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.perspectivev3
index f7b0fff..c956cc8 100755
--- a/plugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.perspectivev3
+++ b/plugins/MacAU/TapeDust/TapeDust.xcodeproj/christopherjohnson.perspectivev3
@@ -225,8 +225,8 @@
<array/>
<key>PerspectiveWidths</key>
<array>
- <integer>841</integer>
- <integer>841</integer>
+ <integer>927</integer>
+ <integer>927</integer>
</array>
<key>Perspectives</key>
<array>
@@ -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>167</real>
</array>
<key>PBXSmartGroupTreeModuleColumnsKey_v4</key>
<array>
@@ -308,7 +306,7 @@
</array>
</array>
<key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key>
- <string>{{0, 0}, {288, 595}}</string>
+ <string>{{0, 0}, {167, 689}}</string>
</dict>
<key>PBXTopSmartGroupGIDs</key>
<array/>
@@ -318,30 +316,32 @@
<key>GeometryConfiguration</key>
<dict>
<key>Frame</key>
- <string>{{0, 0}, {305, 613}}</string>
+ <string>{{0, 0}, {184, 707}}</string>
<key>GroupTreeTableConfiguration</key>
<array>
<string>MainColumn</string>
- <real>288</real>
+ <real>167</real>
</array>
<key>RubberWindowFrame</key>
- <string>432 155 841 654 0 0 1440 878 </string>
+ <string>372 100 927 748 0 0 1440 878 </string>
</dict>
<key>Module</key>
<string>PBXSmartGroupTreeModule</string>
<key>Proportion</key>
- <string>305pt</string>
+ <string>184pt</string>
</dict>
<dict>
<key>Dock</key>
<array>
<dict>
+ <key>BecomeActive</key>
+ <true/>
<key>ContentConfiguration</key>
<dict>
<key>PBXProjectModuleGUID</key>
<string>8BD7274A1D46E5A5000176F0</string>
<key>PBXProjectModuleLabel</key>
- <string>Info.plist</string>
+ <string>TapeDust.cpp</string>
<key>PBXSplitModuleInNavigatorKey</key>
<dict>
<key>Split0</key>
@@ -349,14 +349,16 @@
<key>PBXProjectModuleGUID</key>
<string>8BD7274B1D46E5A5000176F0</string>
<key>PBXProjectModuleLabel</key>
- <string>Info.plist</string>
+ <string>TapeDust.cpp</string>
<key>_historyCapacity</key>
<integer>0</integer>
<key>bookmark</key>
- <string>8B9D76A21F7FA30E007AB60F</string>
+ <string>8B79315621F4AE7A006E9731</string>
<key>history</key>
<array>
- <string>8B9D67BE1F7C9098007AB60F</string>
+ <string>8B79314C21F4AE33006E9731</string>
+ <string>8B79315421F4AE7A006E9731</string>
+ <string>8B79315521F4AE7A006E9731</string>
</array>
</dict>
<key>SplitCount</key>
@@ -370,18 +372,18 @@
<key>GeometryConfiguration</key>
<dict>
<key>Frame</key>
- <string>{{0, 0}, {531, 229}}</string>
+ <string>{{0, 0}, {738, 552}}</string>
<key>RubberWindowFrame</key>
- <string>432 155 841 654 0 0 1440 878 </string>
+ <string>372 100 927 748 0 0 1440 878 </string>
</dict>
<key>Module</key>
<string>PBXNavigatorGroup</string>
<key>Proportion</key>
- <string>229pt</string>
+ <string>552pt</string>
</dict>
<dict>
<key>Proportion</key>
- <string>379pt</string>
+ <string>150pt</string>
<key>Tabs</key>
<array>
<dict>
@@ -395,9 +397,7 @@
<key>GeometryConfiguration</key>
<dict>
<key>Frame</key>
- <string>{{10, 27}, {531, 352}}</string>
- <key>RubberWindowFrame</key>
- <string>432 155 841 654 0 0 1440 878 </string>
+ <string>{{10, 27}, {738, 123}}</string>
</dict>
<key>Module</key>
<string>XCDetailModule</string>
@@ -451,7 +451,9 @@
<key>GeometryConfiguration</key>
<dict>
<key>Frame</key>
- <string>{{10, 27}, {531, 315}}</string>
+ <string>{{10, 27}, {738, 123}}</string>
+ <key>RubberWindowFrame</key>
+ <string>372 100 927 748 0 0 1440 878 </string>
</dict>
<key>Module</key>
<string>PBXBuildResultsModule</string>
@@ -460,7 +462,7 @@
</dict>
</array>
<key>Proportion</key>
- <string>531pt</string>
+ <string>738pt</string>
</dict>
</array>
<key>Name</key>
@@ -479,11 +481,11 @@
</array>
<key>TableOfContents</key>
<array>
- <string>8B9D76A31F7FA30E007AB60F</string>
+ <string>8B79315721F4AE7A006E9731</string>
<string>1CA23ED40692098700951B8B</string>
- <string>8B9D76A41F7FA30E007AB60F</string>
+ <string>8B79315821F4AE7A006E9731</string>
<string>8BD7274A1D46E5A5000176F0</string>
- <string>8B9D76A51F7FA30E007AB60F</string>
+ <string>8B79315921F4AE7A006E9731</string>
<string>1CA23EDF0692099D00951B8B</string>
<string>1CA23EE00692099D00951B8B</string>
<string>1CA23EE10692099D00951B8B</string>
@@ -656,7 +658,7 @@
<key>StatusbarIsVisible</key>
<true/>
<key>TimeStamp</key>
- <real>528458510.42729199</real>
+ <real>569683578.38407302</real>
<key>ToolbarConfigUserDefaultsMinorVersion</key>
<string>2</string>
<key>ToolbarDisplayMode</key>
@@ -673,11 +675,10 @@
<integer>5</integer>
<key>WindowOrderList</key>
<array>
- <string>8B9D76A61F7FA30E007AB60F</string>
<string>/Users/christopherjohnson/Desktop/MacAU/TapeDust/TapeDust.xcodeproj</string>
</array>
<key>WindowString</key>
- <string>432 155 841 654 0 0 1440 878 </string>
+ <string>372 100 927 748 0 0 1440 878 </string>
<key>WindowToolsV3</key>
<array>
<dict>
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 00:51:55 +0000