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/WinVST/Acceleration | |
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/WinVST/Acceleration')
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/.vs/Console4Channel64/v14/.suo | bin | 32768 -> 32768 bytes | |||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/.vs/VSTProject/v14/.suo | bin | 22528 -> 23040 bytes | |||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/Acceleration.cpp | 7 | ||||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/Acceleration.h | 7 | ||||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/AccelerationProc.cpp | 62 | ||||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/VSTProject.sln | 0 | ||||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/VSTProject.vcxproj | 0 | ||||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/VSTProject.vcxproj.filters | 0 | ||||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/VSTProject.vcxproj.user | 0 | ||||
-rwxr-xr-x[-rw-r--r--] | plugins/WinVST/Acceleration/vstplug.def | 0 |
10 files changed, 22 insertions, 54 deletions
diff --git a/plugins/WinVST/Acceleration/.vs/Console4Channel64/v14/.suo b/plugins/WinVST/Acceleration/.vs/Console4Channel64/v14/.suo Binary files differindex 777b846..777b846 100644..100755 --- a/plugins/WinVST/Acceleration/.vs/Console4Channel64/v14/.suo +++ b/plugins/WinVST/Acceleration/.vs/Console4Channel64/v14/.suo diff --git a/plugins/WinVST/Acceleration/.vs/VSTProject/v14/.suo b/plugins/WinVST/Acceleration/.vs/VSTProject/v14/.suo Binary files differindex 734c0c5..2ff1d0a 100644..100755 --- a/plugins/WinVST/Acceleration/.vs/VSTProject/v14/.suo +++ b/plugins/WinVST/Acceleration/.vs/VSTProject/v14/.suo diff --git a/plugins/WinVST/Acceleration/Acceleration.cpp b/plugins/WinVST/Acceleration/Acceleration.cpp index f20c8f2..b2721d9 100644..100755 --- a/plugins/WinVST/Acceleration/Acceleration.cpp +++ b/plugins/WinVST/Acceleration/Acceleration.cpp @@ -23,11 +23,8 @@ Acceleration::Acceleration(audioMasterCallback audioMaster) : o1R = o2R = o3R = 0.0; m1R = m2R = desR = 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/WinVST/Acceleration/Acceleration.h b/plugins/WinVST/Acceleration/Acceleration.h index a152e25..02a3760 100644..100755 --- a/plugins/WinVST/Acceleration/Acceleration.h +++ b/plugins/WinVST/Acceleration/Acceleration.h @@ -53,11 +53,8 @@ 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 double ataLastOutL; double s1L; diff --git a/plugins/WinVST/Acceleration/AccelerationProc.cpp b/plugins/WinVST/Acceleration/AccelerationProc.cpp index 4785e37..0151dbe 100644..100755 --- a/plugins/WinVST/Acceleration/AccelerationProc.cpp +++ b/plugins/WinVST/Acceleration/AccelerationProc.cpp @@ -17,9 +17,6 @@ void Acceleration::processReplacing(float **inputs, float **outputs, VstInt32 sa double overallscale = 1.0; overallscale /= 44100.0; overallscale *= getSampleRate(); - float fpTemp; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; double intensity = pow(A,3)*(32/overallscale); double wet = B; @@ -135,25 +132,14 @@ void Acceleration::processReplacing(float **inputs, float **outputs, VstInt32 sa inputSampleR = (inputSampleR * wet) + (drySampleR * dry); } - //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; @@ -175,9 +161,6 @@ void Acceleration::processDoubleReplacing(double **inputs, double **outputs, Vst double overallscale = 1.0; overallscale /= 44100.0; overallscale *= getSampleRate(); - double fpTemp; - long double fpOld = 0.618033988749894848204586; //golden ratio! - long double fpNew = 1.0 - fpOld; double intensity = pow(A,3)*(32/overallscale); double wet = B; @@ -293,25 +276,16 @@ void Acceleration::processDoubleReplacing(double **inputs, double **outputs, Vst inputSampleR = (inputSampleR * wet) + (drySampleR * dry); } - //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; diff --git a/plugins/WinVST/Acceleration/VSTProject.sln b/plugins/WinVST/Acceleration/VSTProject.sln index 694b424..694b424 100644..100755 --- a/plugins/WinVST/Acceleration/VSTProject.sln +++ b/plugins/WinVST/Acceleration/VSTProject.sln diff --git a/plugins/WinVST/Acceleration/VSTProject.vcxproj b/plugins/WinVST/Acceleration/VSTProject.vcxproj index 3a80f39..3a80f39 100644..100755 --- a/plugins/WinVST/Acceleration/VSTProject.vcxproj +++ b/plugins/WinVST/Acceleration/VSTProject.vcxproj diff --git a/plugins/WinVST/Acceleration/VSTProject.vcxproj.filters b/plugins/WinVST/Acceleration/VSTProject.vcxproj.filters index 8e2ce84..8e2ce84 100644..100755 --- a/plugins/WinVST/Acceleration/VSTProject.vcxproj.filters +++ b/plugins/WinVST/Acceleration/VSTProject.vcxproj.filters diff --git a/plugins/WinVST/Acceleration/VSTProject.vcxproj.user b/plugins/WinVST/Acceleration/VSTProject.vcxproj.user index 2216267..2216267 100644..100755 --- a/plugins/WinVST/Acceleration/VSTProject.vcxproj.user +++ b/plugins/WinVST/Acceleration/VSTProject.vcxproj.user diff --git a/plugins/WinVST/Acceleration/vstplug.def b/plugins/WinVST/Acceleration/vstplug.def index 5bf499a..5bf499a 100644..100755 --- a/plugins/WinVST/Acceleration/vstplug.def +++ b/plugins/WinVST/Acceleration/vstplug.def |