diff options
Diffstat (limited to 'plugins/MacAU/EQ/EQ.cpp')
| -rwxr-xr-x | plugins/MacAU/EQ/EQ.cpp | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/plugins/MacAU/EQ/EQ.cpp b/plugins/MacAU/EQ/EQ.cpp index eecaa38..4b2d40b 100755 --- a/plugins/MacAU/EQ/EQ.cpp +++ b/plugins/MacAU/EQ/EQ.cpp @@ -222,9 +222,7 @@ ComponentResult EQ::Initialize() //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void EQ::EQKernel::Reset() { - fpNShapeA = 0.0; - fpNShapeB = 0.0; - fpFlip = true; + fpNShape = 0.0; iirHighSampleA = 0.0; iirHighSampleB = 0.0; @@ -285,10 +283,6 @@ void EQ::EQKernel::Process( const Float32 *inSourceP, const Float32 *sourceP = inSourceP; Float32 *destP = inDestP; Float64 overallscale = GetSampleRate(); - Float32 fpTemp; - Float64 fpOld = 0.618033988749894848204586; //golden ratio! - Float64 fpNew = 1.0 - fpOld; - Float64 inputSample; Float64 highSample = 0.0; Float64 midSample = 0.0; @@ -354,7 +348,7 @@ void EQ::EQKernel::Process( const Float32 *inSourceP, last2Sample = lastSample; lastSample = inputSample; - flip = not flip; + flip = !flip; flipthree++; if (flipthree < 1 || flipthree > 3) flipthree = 1; //counters @@ -522,19 +516,11 @@ void EQ::EQKernel::Process( const Float32 *inSourceP, //built in output trim and dry/wet if desired if (outputgain != 1.0) inputSample *= outputgain; - //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 = not 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; |