diff options
Diffstat (limited to 'externals/grill/fftease/src/cross~.cpp')
| -rw-r--r-- | externals/grill/fftease/src/cross~.cpp | 58 |
1 files changed, 50 insertions, 8 deletions
diff --git a/externals/grill/fftease/src/cross~.cpp b/externals/grill/fftease/src/cross~.cpp index e794d761..9b56d6e4 100644 --- a/externals/grill/fftease/src/cross~.cpp +++ b/externals/grill/fftease/src/cross~.cpp @@ -15,21 +15,39 @@ WARRANTIES, see the file, "license.txt," in this distribution. class cross: public fftease { - FLEXT_HEADER(cross,fftease) + FLEXT_HEADER_S(cross,fftease,setup) public: cross(); protected: + F *amps; + BL memory; + + virtual V Set(); + virtual V Clear(); + virtual V Delete(); + virtual V Transform(I _N2,S *const *in); + +private: + static V setup(t_classid c); + + FLEXT_ATTRVAR_B(memory) }; FLEXT_LIB_DSP("fftease, cross~",cross) +V cross::setup(t_classid c) +{ + FLEXT_CADDATTR_VAR1(c,"memorize",memory); +} + cross::cross(): - fftease(2,F_STEREO|F_BALANCED|F_BITSHUFFLE|F_CONVERT) + fftease(2,F_STEREO|F_BALANCED|F_BITSHUFFLE|F_NOPH2), + memory(true) { AddInSignal("Messages and driver signal"); AddInSignal("Filter signal"); @@ -37,14 +55,38 @@ cross::cross(): AddOutSignal("Transformed signal"); } -V cross::Transform(I _N2,S *const *in) +V cross::Clear() +{ + amps = NULL; + fftease::Clear(); +} + +V cross::Delete() +{ + fftease::Delete(); + if(amps) delete[] amps; +} + +V cross::Set() +{ + fftease::Set(); + const I _N2 = get_N()/2; + amps = new F[_N2]; + ZeroMem(amps,_N2*sizeof(*amps)); +} + +V cross::Transform(I _N,S *const *in) { // filled only once per signal vector!! register const F threshie = *in[0]; + F *amp = amps; + + for (I i = 0; i <= _N; i += 2,amp++) + if( _channel2[i] > threshie ) + *amp = _channel1[i] *= _channel2[i]; + else if(memory) + // retrieve previous value + _channel1[i] = *amp; - const I _N = _N2*2; - for (I i = 0; i <= _N; i += 2) { - // modulate amp2 with amp1 (if over threshold) - if(_channel1[i] > threshie ) _channel2[i] *= _channel1[i]; - } } + |