diff options
Diffstat (limited to 'plugins/LinuxVST/src/Console6Channel/Console6ChannelProc.cpp')
| -rwxr-xr-x | plugins/LinuxVST/src/Console6Channel/Console6ChannelProc.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/plugins/LinuxVST/src/Console6Channel/Console6ChannelProc.cpp b/plugins/LinuxVST/src/Console6Channel/Console6ChannelProc.cpp new file mode 100755 index 0000000..65d2e79 --- /dev/null +++ b/plugins/LinuxVST/src/Console6Channel/Console6ChannelProc.cpp @@ -0,0 +1,122 @@ +/* ======================================== + * Console6Channel - Console6Channel.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Console6Channel_H +#include "Console6Channel.h" +#endif + +void Console6Channel::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double gain = A; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + if (fabs(inputSampleL)<1.18e-37) inputSampleL = fpd * 1.18e-37; + if (fabs(inputSampleR)<1.18e-37) inputSampleR = fpd * 1.18e-37; + + + if (gain != 1.0) { + inputSampleL *= gain; + inputSampleR *= gain; + } + + //encode/decode courtesy of torridgristle under the MIT license + //Inverse Square 1-(1-x)^2 and 1-(1-x)^0.5 + + if (inputSampleL > 1.0) inputSampleL= 1.0; + else if (inputSampleL > 0.0) inputSampleL = 1.0 - pow(1.0-inputSampleL,2.0); + + if (inputSampleL < -1.0) inputSampleL = -1.0; + else if (inputSampleL < 0.0) inputSampleL = -1.0 + pow(1.0+inputSampleL,2.0); + + if (inputSampleR > 1.0) inputSampleR = 1.0; + else if (inputSampleR > 0.0) inputSampleR = 1.0 - pow(1.0-inputSampleR,2.0); + + if (inputSampleR < -1.0) inputSampleR = -1.0; + else if (inputSampleR < 0.0) inputSampleR = -1.0 + pow(1.0+inputSampleR,2.0); + + + //begin 32 bit stereo floating point dither + int expon; frexpf((float)inputSampleL, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); + frexpf((float)inputSampleR, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); + //end 32 bit stereo floating point dither + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} + +void Console6Channel::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double gain = A; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + if (fabs(inputSampleL)<1.18e-43) inputSampleL = fpd * 1.18e-43; + if (fabs(inputSampleR)<1.18e-43) inputSampleR = fpd * 1.18e-43; + + + if (gain != 1.0) { + inputSampleL *= gain; + inputSampleR *= gain; + } + + //encode/decode courtesy of torridgristle under the MIT license + //Inverse Square 1-(1-x)^2 and 1-(1-x)^0.5 + + if (inputSampleL > 1.0) inputSampleL= 1.0; + else if (inputSampleL > 0.0) inputSampleL = 1.0 - pow(1.0-inputSampleL,2.0); + + if (inputSampleL < -1.0) inputSampleL = -1.0; + else if (inputSampleL < 0.0) inputSampleL = -1.0 + pow(1.0+inputSampleL,2.0); + + if (inputSampleR > 1.0) inputSampleR = 1.0; + else if (inputSampleR > 0.0) inputSampleR = 1.0 - pow(1.0-inputSampleR,2.0); + + if (inputSampleR < -1.0) inputSampleR = -1.0; + else if (inputSampleR < 0.0) inputSampleR = -1.0 + pow(1.0+inputSampleR,2.0); + + + //begin 64 bit stereo floating point dither + int expon; frexp((double)inputSampleL, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62)); + frexp((double)inputSampleR, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62)); + //end 64 bit stereo floating point dither + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} |