/* FFTease - A set of Live Spectral Processors Originally written by Eric Lyon and Christopher Penrose for the Max/MSP platform Copyright (c)Thomas Grill (xovo@gmx.net) For information on usage and redistribution, and for a DISCLAIMER OF ALL WARRANTIES, see the file, "license.txt," in this distribution. */ #include "main.h" class pvoc: public fftease { FLEXT_HEADER_S(pvoc,fftease,setup) public: pvoc(I argc,const t_atom *argv); protected: virtual V Transform(I _N2,S *const *in); BL _invert; F _threshold,_multiplier; F _thresh_dB,_mult_dB; private: V ms_thresh(F v) { _threshold = FromdB(_thresh_dB = v); } V ms_mult(F v) { _multiplier = FromdB(_mult_dB = v); } static V setup(t_classid c); FLEXT_ATTRGET_F(_thresh_dB) FLEXT_CALLSET_F(ms_thresh) FLEXT_ATTRGET_F(_mult_dB) FLEXT_CALLSET_F(ms_mult) FLEXT_ATTRVAR_B(_invert) }; FLEXT_LIB_DSP_V("fftease, pvoc~",pvoc) V pvoc::setup(t_classid c) { FLEXT_CADDATTR_VAR(c,"thresh",_thresh_dB,ms_thresh); FLEXT_CADDATTR_VAR(c,"mult",_mult_dB,ms_mult); FLEXT_CADDATTR_VAR1(c,"invert",_invert); } pvoc::pvoc(I argc,const t_atom *argv): fftease(4,F_STEREO|F_BALANCED|F_BITSHUFFLE|F_NOPH2), _thresh_dB(-30),_mult_dB(-18), _invert(false) { /* parse and set object's options given */ if(argc >= 1) { if(CanbeFloat(argv[0])) _thresh_dB = GetAFloat(argv[0]); else post("%s - Threshold must be a float value - set to %0f",thisName(),_thresh_dB); } if(argc >= 2) { if(CanbeFloat(argv[1])) _mult_dB = GetAFloat(argv[1]); else post("%s - Multiplier must be a float value - set to %0f",thisName(),_mult_dB); } if(argc >= 3) { if(CanbeBool(argv[2])) _invert = GetABool(argv[2]); else post("%s - Invert flag must be a boolean value - set to %i",thisName(),_invert?1:0); } ms_thresh(_thresh_dB); ms_mult(_mult_dB); AddInSignal("Messages and input signal"); AddInSignal("Reference signal"); AddOutSignal("Transformed signal"); } V pvoc::Transform(I _N,S *const *in) { /* int freq,amp; int chan; // start osc bank for ( chan = lo_bin; chan < hi_bin; chan++ ) { freq = ( amp = ( chan << 1 ) ) + 1; if ( _channel1[amp] < synt ){ breaker = 1; } if( breaker ) { breaker = 0 ; } else { _channel1[freq] *= myPInc; finc = ( _channel1[freq] - ( f = lastfreq[chan] ) )*Iinv; ainc = ( _channel1[amp] - ( a = lastamp[chan] ) )*Iinv; address = index[chan]; for ( n = 0; n < I; n++ ) { output[n] += a*table[ (int) address ]; address += f; while ( address >= L ) address -= L; while ( address < 0 ) address += L; a += ainc; f += finc; } lastfreq[chan] = _channel1[freq]; lastamp[chan] = _channel1[amp]; index[chan] = address; } } */ }