""

svn path=/trunk/; revision=340

14 files changed, 475 insertions, 120 deletions

diff --git a/externals/grill/fftease/fftease.dsp b/externals/grill/fftease/fftease.dsp
index f825d29b..413523ef 100644
--- a/externals/grill/fftease/fftease.dsp
+++ b/externals/grill/fftease/fftease.dsp
@@ -162,6 +162,18 @@ SOURCE=.\src\drown~.cpp
 
 SOURCE=.\src\ether~.cpp
 # End Source File
+# Begin Source File
+
+SOURCE=.\src\morphine~.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\src\scrape~.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\src\shapee~.cpp
+# End Source File
 # End Group
 # Begin Group "doc"
 
diff --git a/externals/grill/fftease/make-files.txt b/externals/grill/fftease/make-files.txt
index 1866faa6..418cd275 100644
--- a/externals/grill/fftease/make-files.txt
+++ b/externals/grill/fftease/make-files.txt
@@ -3,7 +3,8 @@ SRCS= \
 	convert.c convert_new.c fft4.c fft.c fold.c \
 	leanconvert.c leanunconvert.c makewindows.c overlapadd.c unconvert.c \
 	main.cpp fftease.cpp \
-	burrow~.cpp cross~.cpp dentist~.cpp disarray~.cpp drown~.cpp ether~.cpp 
+	burrow~.cpp cross~.cpp dentist~.cpp disarray~.cpp drown~.cpp ether~.cpp \
+	morphine~.cpp scrape~.cpp shapee~.cpp
               
 HDRS= \
 	pv.h main.h 
diff --git a/externals/grill/fftease/src/burrow~.cpp b/externals/grill/fftease/src/burrow~.cpp
index 0bb3208f..f299ce3f 100644
--- a/externals/grill/fftease/src/burrow~.cpp
+++ b/externals/grill/fftease/src/burrow~.cpp
@@ -55,7 +55,7 @@ V burrow::setup(t_classid c)
 
 
 burrow::burrow(I argc,const t_atom *argv):
-	fftease(4,true,true,true),
+	fftease(4,F_STEREO|F_WINDOW|F_BITSHUFFLE),
 	_thresh_dB(-30),_mult_dB(-18),
 	_invert(false)
 {
@@ -91,7 +91,7 @@ burrow::burrow(I argc,const t_atom *argv):
 V burrow::Transform(I _N2,S *const *in)
 {
 	for (I i = 0; i <= _N2; i++ ) {
-		const I even = i<<1,odd = even+1;
+		const I even = i*2,odd = even+1;
 
 		/* convert to polar coordinates from complex values */
 		register F a,b;
@@ -99,23 +99,21 @@ V burrow::Transform(I _N2,S *const *in)
 		a = ( i == _N2 ? _buffer1[1] : _buffer1[even] );
 		b = ( i == 0 || i == _N2 ? 0. : _buffer1[odd] );
 
-		_channel1[even] = hypot( a, b );
-		_channel1[odd] = -atan2( b, a );
+		F amp1 = hypot( a, b );
+		F phase1 = -atan2( b, a );
 
 		a = ( i == _N2 ? _buffer2[1] : _buffer2[even] );
 		b = ( i == 0 || i == _N2 ? 0. : _buffer2[odd] );
 
-		_channel2[even] = hypot( a, b );
+		F amp2 = hypot( a, b );
 
 		/* use simple threshold from second signal to trigger filtering */
-		if (_invert?(_channel2[even] < _threshold):(_channel2[even] > _threshold) )
-			_channel1[even] *= _multiplier;
+		if (_invert?(amp2 < _threshold):(amp2 > _threshold) )
+			amp1 *= _multiplier;
 
 		/* convert back to complex form, read for the inverse fft */
-		_buffer1[even] = _channel1[even] * cos( _channel1[odd] );
-
-		if ( i != _N2 )
-			_buffer1[odd] = -_channel1[even] * sin( _channel1[odd] );
+		_buffer1[even] = amp1 * cos(phase1);
+		if ( i != _N2 )	_buffer1[odd] = -amp1 * sin(phase1);
 	}
 }
 
diff --git a/externals/grill/fftease/src/cross~.cpp b/externals/grill/fftease/src/cross~.cpp
index 728e868a..8fbc2c22 100644
--- a/externals/grill/fftease/src/cross~.cpp
+++ b/externals/grill/fftease/src/cross~.cpp
@@ -29,7 +29,7 @@ FLEXT_LIB_DSP_V("fftease, cross~",cross)
 
 
 cross::cross(I argc,const t_atom *argv):
-	fftease(2,true,true,true)
+	fftease(2,F_STEREO|F_WINDOW|F_BITSHUFFLE)
 {
 	AddInSignal("Messages and driver signal");
 	AddInSignal("Filter signal");
@@ -40,28 +40,27 @@ cross::cross(I argc,const t_atom *argv):
 V cross::Transform(I _N2,S *const *in)
 {
 	// TG: filled only once per signal vector!!
-	float threshie = *in[0];
+	const F threshie = *in[0];
   
 	for (I i = 0; i <= _N2; i++ ) {
-		const I even = i<<1,odd = even+1;
+		const I even = i*2,odd = even+1;
 
 		F a = ( i == _N2 ? _buffer1[1] : _buffer2[even] );
 		F b = ( i == 0 || i == _N2 ? 0. : _buffer2[odd] );
-		F gainer = hypot( a, b ) ;
+
+		F amp1 = hypot( a, b ) ;
 
 		a = ( i == _N2 ? _buffer1[1] : _buffer1[even] );
 		b = ( i == 0 || i == _N2 ? 0. : _buffer1[odd] );
 
-		if( gainer > threshie ) 
-			_channel1[even] = hypot( a, b ) * gainer;
-		// else
-		//	channel1[even] = hypot( a, b); 
+		F amp2 = hypot( a, b );
+		F phase2 = -atan2( b, a );
 
-		_channel1[odd] = -atan2( b, a );
-		_buffer1[even] = _channel1[even] * cos( _channel1[odd] );
+		// modulate amp2 with amp1 (if over threshold)
+		if( amp1 > threshie ) amp2 *= amp1;
 
-		if ( i != _N2 )
-			_buffer1[odd] = -_channel1[even] * sin( _channel1[odd] );
+		_buffer1[even] = amp2 * cos( phase2 );
+		if ( i != _N2 ) _buffer1[odd] = -amp2 * sin( phase2 );
 	}
 }
 
diff --git a/externals/grill/fftease/src/dentist~.cpp b/externals/grill/fftease/src/dentist~.cpp
index 375006b9..7c1206ee 100644
--- a/externals/grill/fftease/src/dentist~.cpp
+++ b/externals/grill/fftease/src/dentist~.cpp
@@ -63,7 +63,7 @@ V dentist::setup(t_classid c)
 
 
 dentist::dentist(I argc,const t_atom *argv):
-	fftease(4,false,true,true),	
+	fftease(4,F_WINDOW|F_BITSHUFFLE|F_CONVERT),	
 	_knee(500),_tooth_count(10)
 {
 	/* parse and set object's options given */
@@ -127,13 +127,9 @@ V dentist::Set()
 
 V dentist::Transform(I _N2,S *const *in)
 {
-    leanconvert( _buffer1, _channel1, _N2 );
-
 	for(I i = 0; i < _N2 ; i++){
 		if( !_bin_selection[i] ) _channel1[i*2] = 0;
 	}
-
-	leanunconvert( _channel1, _buffer1,  _N2 );
 }
 
 
diff --git a/externals/grill/fftease/src/disarray~.cpp b/externals/grill/fftease/src/disarray~.cpp
index 8019fcdc..c45d6583 100644
--- a/externals/grill/fftease/src/disarray~.cpp
+++ b/externals/grill/fftease/src/disarray~.cpp
@@ -24,9 +24,6 @@ protected:
 
 	virtual V Transform(I _N2,S *const *in);
 
-    I _inCount,_nmult;
-
-	// -----------------------------
 
 	BL _qual;
 	I _shuffle_count,_max_bin;
@@ -62,7 +59,7 @@ V disarray::setup(t_classid c)
 
 
 disarray::disarray(I argc,const t_atom *argv):
-	fftease(2,false,true,true),
+	fftease(2,F_BITSHUFFLE|F_CONVERT),
 	_freq(1300),_qual(false),_shuffle_count(20)
 {
 	/* parse and set object's options given */
@@ -86,7 +83,7 @@ disarray::disarray(I argc,const t_atom *argv):
 	}
 
 	_mult = _qual?4:2;
-	_window = _qual;
+	if(_qual) _flags |= F_WINDOW;
 
 	AddInSignal("Messages and input signal");
 	AddOutSignal("Transformed signal");
@@ -125,7 +122,7 @@ V disarray::ms_freq(F f)
 {
 	_freq = f; // store original
 
-	const F funda = Samplerate()/(2*_nmult*Blocksize());
+	const F funda = Samplerate()/(2*Mult()*Blocksize());
 
 	// TG: This is a different, but steady correction than in original fftease
 	if( f < funda ) f = funda;
@@ -135,17 +132,13 @@ V disarray::ms_freq(F f)
 	for(F curfreq = 0; curfreq < f; curfreq += funda) ++_max_bin;
 }
 
+inline V swap(F &a,F &b) { F t = a; a = b; b = t; }
+inline V swap(I &a,I &b) { I t = a; a = b; b = t; }
+
 V disarray::Transform(I _N2,S *const *in)
 {
-    leanconvert( _buffer1, _channel1, _N2 );
-
-	for(I i = 0; i < _shuffle_count ; i++){
-		F tmp = _channel1[ _shuffle_in[ i ] * 2 ];
-		_channel1[ _shuffle_in[ i ] * 2]  = _channel1[ _shuffle_out[ i ] * 2];
-		_channel1[ _shuffle_out[ i ] * 2]  = tmp;
-	}
-
-	leanunconvert( _channel1, _buffer1,  _N2 );
+	for(I i = 0; i < _shuffle_count ; i++)
+		swap(_channel1[ _shuffle_in[i] * 2 ],_channel1[ _shuffle_out[i] * 2]);
 }
 
 
@@ -158,11 +151,9 @@ V disarray::reset_shuffle()
 		_shuffle_out[i] = _shuffle_in[i] = i ;
 
 	for( i = 0; i < 10000; i++ ) {
-		int p1 = _shuffle_out[ rand()%_max_bin ];
-		int p2 = _shuffle_out[ rand()%_max_bin ];
-		int temp = _shuffle_out[ p1 ];
-		_shuffle_out[ p1 ] = _shuffle_out[ p2 ];
-		_shuffle_out[ p2 ] = temp;
+		I p1 = _shuffle_out[ rand()%_max_bin ];
+		I p2 = _shuffle_out[ rand()%_max_bin ];
+		swap(_shuffle_out[ p1 ],_shuffle_out[ p2 ]);
 	}
 
 }
diff --git a/externals/grill/fftease/src/drown~.cpp b/externals/grill/fftease/src/drown~.cpp
index 336f9c8e..2d6b46ba 100644
--- a/externals/grill/fftease/src/drown~.cpp
+++ b/externals/grill/fftease/src/drown~.cpp
@@ -21,7 +21,6 @@ public:
 	drown(I argc,const t_atom *argv);
 
 protected:
-
 	virtual V Transform(I n,S *const *in);
 };
 
@@ -29,7 +28,7 @@ FLEXT_LIB_DSP_V("fftease, drown~",drown)
 
 
 drown::drown(I argc,const t_atom *argv):
-	fftease(4,false,true,false)
+	fftease(4,F_WINDOW)
 {
 	AddInSignal("Messages and input signal");
 	AddInSignal("Threshold generator signal");
@@ -38,38 +37,32 @@ drown::drown(I argc,const t_atom *argv):
 }
 
 
-/* helper function */
-static void nudist( float *_S, float *_C, float threshold, float fmult, int N2 )
-{
-  int real, imag, amp, phase;
-  int i;
-  float maxamp = 1.;
-  for ( i = 0; i <= N2; i++ ) {
-    imag = phase = ( real = amp = i<<1 ) + 1;
-    F a = ( i == N2 ? _S[1] : _S[real] );
-    F b = ( i == 0 || i == N2 ? 0. : _S[imag] );
-
-    _C[amp] = hypot( a, b );
-    if( _C[amp] < threshold) _C[amp] *= fmult;
-
-    _C[phase] = -atan2( b, a );
-  }
-
-  for ( i = 0; i <= N2; i++ ) {
-    imag = phase = ( real = amp = i<<1 ) + 1;
-    _S[real] = _C[amp] * cos( _C[phase] );
-    if ( i != N2 )
-      _S[imag] = -_C[amp] * sin( _C[phase] );
-  }
-}
-
-
 V drown::Transform(I _N2,S *const *in)
 {
 	// only first value of the signal vectors
-	const F thresh = in[1][0],mult = in[2][0];
+	const F thresh = in[0][0],mult = in[1][0];
+
+	// nudist helper function is integrated
+
+	for (I i = 0; i <= _N2; i++ ) {
+		const I real = i*2,imag = real+1;
+		F amp,phase;
+
+		// convert to amp and phase
+		const F a = ( i == _N2 ? _buffer1[1] : _buffer1[real] );
+		const F b = ( i == 0 || i == _N2 ? 0. : _buffer1[imag] );
+
+		amp = hypot( a, b );
+		// make up low amplitude bins
+		if(amp < thresh) amp *= mult;
+
+		phase = -atan2( b, a );
+
 
-	nudist( _buffer1, _channel1, thresh, mult, _N2 );
+		// convert back to real and imag
+		_buffer1[real] = amp * cos( phase );
+		if (i != _N2)	_buffer1[imag] = -amp * sin( phase );
+	}
 }
 
 
diff --git a/externals/grill/fftease/src/ether~.cpp b/externals/grill/fftease/src/ether~.cpp
index e04efaec..836349f3 100644
--- a/externals/grill/fftease/src/ether~.cpp
+++ b/externals/grill/fftease/src/ether~.cpp
@@ -46,7 +46,7 @@ V ether::setup(t_classid c)
 
 
 ether::ether(I argc,const t_atom *argv):
-	fftease(2,true,true,true),
+	fftease(2,F_STEREO|F_BITSHUFFLE),
 	_qual(false),_threshMult(0),_invert(false)
 {
 	/* parse and set object's options given */
@@ -58,7 +58,7 @@ ether::ether(I argc,const t_atom *argv):
 	}
 
 	_mult = _qual?4:2;
-	_window = _qual;
+	if(_qual) _flags |= F_WINDOW;
 
 	AddInSignal("Messages and input signal");
 	AddInSignal("Reference signal");
@@ -72,36 +72,32 @@ V ether::Transform(I _N2,S *const *in)
 	if (threshMult == 0. )  threshMult = 1;
 
 	for (I i = 0; i <= _N2; i++ ) {
-		int even = i<<1,odd = even + 1;
+		const I even = i*2,odd = even + 1;
 
-		/* convert to polar coordinates from complex values */
+		// convert to polar coordinates from complex values 
 		register F a,b;
 
 		a = ( i == _N2 ? _buffer1[1] : _buffer1[even] );
 		b = ( i == 0 || i == _N2 ? 0. : _buffer1[odd] );
 
-		_channel1[even] = hypot( a, b );
-		_channel1[odd] = -atan2( b, a );
+		F amp1 = hypot( a, b );
+		F phase1 = -atan2( b, a );
 
 		a = ( i == _N2 ? _buffer2[1] : _buffer2[even] );
 		b = ( i == 0 || i == _N2 ? 0. : _buffer2[odd] );
 
-		_channel2[even] = hypot( a, b );
-		_channel2[odd] = -atan2( b, a );
+		F amp2 = hypot( a, b );
+		F phase2 = -atan2( b, a );
 
-		/* use simple threshold for inverse compositing */
+		// use simple threshold for inverse compositing 
 
-		if(_invert?(_channel1[even] > _channel2[even]*threshMult):(_channel1[even] < _channel2[even]*threshMult) )
-			_channel1[even] = _channel2[even];
+		if(_invert?(amp1 > amp2*threshMult):(amp1 < amp2*threshMult) ) amp1 = amp2;
+		if (phase1 == 0. ) phase1 = phase2;
 
-		if (_channel1[odd] == 0. ) _channel1[odd] = _channel2[odd];
 
-
-		/* convert back to complex form, read for the inverse fft */
-		_buffer1[even] = _channel1[even] * cos( _channel1[odd] );
-
-		if (i != _N2 )
-			_buffer1[odd] = -_channel1[even] * sin( _channel1[odd] );
+		// convert back to complex form, read for the inverse fft 
+		_buffer1[even] = amp1 * cos(phase1);
+		if(i != _N2) _buffer1[odd] = -amp1 * sin(phase1);
 	}
 }
 
diff --git a/externals/grill/fftease/src/fftease.cpp b/externals/grill/fftease/src/fftease.cpp
index 9e59faa1..d29ecf27 100644
--- a/externals/grill/fftease/src/fftease.cpp
+++ b/externals/grill/fftease/src/fftease.cpp
@@ -12,8 +12,8 @@ WARRANTIES, see the file, "license.txt," in this distribution.
 #include "main.h"
 
 
-fftease::fftease(I mult,BL stereo,BL window,BL bitshuf):
-	_mult(mult),_stereo(stereo),_window(window),_bitshuf(bitshuf),
+fftease::fftease(I mult,I flags):
+	_mult(mult),_flags(flags),
 	_inCount(0),
 	blsz(0),smprt(0)
 {}
@@ -54,7 +54,7 @@ V fftease::m_signal(I n,S *const *in,S *const *out)
 	/* fill our retaining buffers */
 	_inCount += _D;
 
-	if(_stereo) {
+	if(_flags&F_STEREO) {
 		for(i = 0; i < _N-_D ; i++ ) {
 			_input1[i] = _input1[i+_D];
 			_input2[i] = _input2[i+_D];
@@ -73,28 +73,37 @@ V fftease::m_signal(I n,S *const *in,S *const *out)
 
 	/* apply hamming window and fold our window buffer into the fft buffer */
 	fold( _input1, _Wanal, _Nw, _buffer1, _N, _inCount );
-	if(_stereo) fold( _input2, _Wanal, _Nw, _buffer2, _N, _inCount );
+	if(_flags&F_STEREO) fold( _input2, _Wanal, _Nw, _buffer2, _N, _inCount );
 
 	/* do an fft */
-	if(_bitshuf) {
+	if(_flags&F_BITSHUFFLE) {
 		rdft( _N, 1, _buffer1, _bitshuffle, _trigland );
-		if(_stereo) rdft( _N, 1, _buffer2, _bitshuffle, _trigland );
+		if(_flags&F_STEREO) rdft( _N, 1, _buffer2, _bitshuffle, _trigland );
 	}
 	else {
 		rfft( _buffer1, _N2, 1);
-		if(_stereo) rfft( _buffer2, _N2,1);
+		if(_flags&F_STEREO) rfft( _buffer2, _N2,1);
 	}
 
+	if(_flags&F_BITSHUFFLE) {
+	    leanconvert( _buffer1, _channel1, _N2 );
+	    if(_flags&F_STEREO) leanconvert( _buffer2, _channel2, _N2 );
+	}
 
 	// ---- BEGIN --------------------------------
 
-	Transform(_N2,in+(_stereo?1:2));
+	Transform(_N2,in+((_flags&F_STEREO)?1:2));
 
 	// ---- END --------------------------------
 
+	if(_flags&F_CONVERT) {
+	    leanunconvert( _channel1, _buffer1, _N2 );
+	    if(_flags&F_STEREO) leanunconvert( _channel2, _buffer2, _N2 );
+	}
+
 
 	/* do an inverse fft */
-	if(_bitshuf)
+	if(_flags&F_BITSHUFFLE)
 		rdft( _N, -1, _buffer1, _bitshuffle, _trigland );
 	else
 		rfft( _buffer1, _N2, 0);
@@ -124,15 +133,15 @@ void fftease::Set()
 	/* assign memory to the buffers */
 	_input1 = new F[_Nw];
 	_buffer1 = new F[_N];
-	_channel1 = new F[_N+2];
-	if(_stereo) {
+	if(_flags&F_CONVERT) _channel1 = new F[_N+2];
+	if(_flags&F_STEREO) {
 		_input2 = new F[_Nw];
 		_buffer2 = new F[_N];
-		_channel2 = new F[_N+2];
+		if(_flags&F_CONVERT) _channel2 = new F[_N+2];
 	}
 	_output = new F[_Nw];
 
-	if(_bitshuf) {
+	if(_flags&F_BITSHUFFLE) {
 		_bitshuffle = new I[_N*2];
 		_trigland = new F[_N*2];
 		init_rdft( _N, _bitshuffle, _trigland);
@@ -141,7 +150,7 @@ void fftease::Set()
 	_Hwin = new F[_Nw];
 	_Wanal = new F[_Nw];
 	_Wsyn = new F[_Nw];
-	if(_window)
+	if(_flags&F_WINDOW)
 		makewindows( _Hwin, _Wanal, _Wsyn, _Nw, _N, _D, 0);
 	else
 		makehanning( _Hwin, _Wanal, _Wsyn, _Nw, _N, _D, 0,0);
@@ -164,14 +173,14 @@ void fftease::Delete()
 	if(_input1) delete[] _input1;
 	if(_buffer1) delete[] _buffer1;
 	if(_channel1) delete[] _channel1;
-	if(_stereo) {
+	if(_flags&F_STEREO) {
 		if(_input2) delete[] _input2;
 		if(_buffer2) delete[] _buffer2;
 		if(_channel2) delete[] _channel2;
 	}
 	if(_output) delete[] _output;
 
-	if(_bitshuf) {
+	if(_flags&F_BITSHUFFLE) {
 		if(_bitshuffle) delete[] _bitshuffle;
 		if(_trigland) delete[] _trigland;
 	}
@@ -182,4 +191,3 @@ void fftease::Delete()
 }
 
 
-
diff --git a/externals/grill/fftease/src/main.cpp b/externals/grill/fftease/src/main.cpp
index 914d1f43..36a02533 100644
--- a/externals/grill/fftease/src/main.cpp
+++ b/externals/grill/fftease/src/main.cpp
@@ -32,12 +32,12 @@ V lib_setup()
 	FLEXT_DSP_SETUP(disarray);
 	FLEXT_DSP_SETUP(drown);
 	FLEXT_DSP_SETUP(ether);
-/*
 	FLEXT_DSP_SETUP(morphine);
-	FLEXT_DSP_SETUP(pvcompand);
-	FLEXT_DSP_SETUP(pvoc);
 	FLEXT_DSP_SETUP(scrape);
 	FLEXT_DSP_SETUP(shapee);
+/*
+	FLEXT_DSP_SETUP(pvcompand);
+	FLEXT_DSP_SETUP(pvoc);
 
 	FLEXT_DSP_SETUP(swinger);
 	FLEXT_DSP_SETUP(taint);
diff --git a/externals/grill/fftease/src/main.h b/externals/grill/fftease/src/main.h
index d9746c71..620cca5d 100644
--- a/externals/grill/fftease/src/main.h
+++ b/externals/grill/fftease/src/main.h
@@ -44,7 +44,7 @@ class fftease:
 	FLEXT_HEADER_S(fftease,flext_dsp,setup)
 	
 public:
-	fftease(I mult,BL stereo,BL window,BL bitshuf);
+	fftease(I mult,I flags);
 	virtual ~fftease();
 
 protected:
@@ -60,6 +60,7 @@ protected:
 	virtual V Delete();
 	virtual V Transform(I _N2,S *const *in) = 0;
 
+
 	I Mult() const { return _mult; }
 
     F *_input1,*_input2;
@@ -72,8 +73,14 @@ protected:
 
     I _inCount;
 
-	I _mult;
-	BL _stereo,_window,_bitshuf;
+	enum { 
+		F_STEREO = 0x01,
+		F_WINDOW = 0x02,
+		F_BITSHUFFLE = 0x04,
+		F_CONVERT = 0x08,F_CRES = 0x10,
+	};
+
+	I _mult,_flags;
 
 private:
 	I blsz;
diff --git a/externals/grill/fftease/src/morphine~.cpp b/externals/grill/fftease/src/morphine~.cpp
new file mode 100644
index 00000000..1febe853
--- /dev/null
+++ b/externals/grill/fftease/src/morphine~.cpp
@@ -0,0 +1,117 @@
+/*
+
+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"
+#include <stdlib.h>
+
+class morphine:
+	public fftease
+{
+	FLEXT_HEADER_S(morphine,fftease,setup)
+	
+public:
+	morphine(I argc,const t_atom *argv);
+
+protected:
+
+	virtual V Transform(I n,S *const *in);
+
+	F _index;
+
+	struct pickme { I bin; F value; };
+	static I sortpicks( const V *a, const V *b );
+
+    pickme *_picks;
+
+private:
+	virtual V Set();
+	virtual V Clear();
+	virtual V Delete();
+
+	static V setup(t_classid c);
+
+	FLEXT_ATTRVAR_F(_index)
+};
+
+FLEXT_LIB_DSP_V("fftease, morphine~",morphine)
+
+
+V morphine::setup(t_classid c)
+{
+	FLEXT_CADDATTR_VAR1(c,"index",_index);
+}
+
+
+morphine::morphine(I argc,const t_atom *argv):
+	fftease(4,F_STEREO|F_WINDOW|F_BITSHUFFLE|F_CONVERT),
+	_index(1)
+{
+	/* parse and set object's options given */
+	if(argc >= 1) {
+		if(CanbeFloat(argv[0]))
+			_index = GetAFloat(argv[0]);
+		else
+			post("%s - Index must be a float value - set to %f",thisName(),_index);
+	}
+
+	AddInSignal("Messages and input signal 1");
+	AddInSignal("Input signal 2");
+	AddOutSignal("Transformed signal");
+}
+
+V morphine::Clear()
+{
+	fftease::Clear();
+	_picks = NULL;
+}
+
+V morphine::Delete() 
+{
+	fftease::Delete();
+	if(_picks) delete[] _picks;
+}
+
+V morphine::Set() 
+{
+	fftease::Set();
+
+	const I _N2 = Blocksize()*Mult()/2;
+	_picks = new pickme[_N2+1];
+}
+
+I morphine::sortpicks( const void *a, const void *b )
+{
+	if ( ((pickme *)a)->value > ((pickme *) b)->value ) return 1;
+	if ( ((pickme *) a)->value < ((pickme *) b)->value ) return -1;
+	return 0;
+}
+
+V morphine::Transform(I _N2,S *const *in)
+{
+	I i;
+    for ( i = 0; i <= _N2; i++ ) {
+		// find amplitude differences between home and visitors 
+		_picks[i].value = fabs( _channel1[i*2] - _channel2[i*2]);
+		_picks[i].bin = i;
+    }
+
+    // sort our differences in ascending order 
+    qsort( _picks, _N2+1, sizeof(pickme), sortpicks );
+
+	const I morphindex = _index*(_N2+1)+.5;
+    // choose the bins that are least different first 
+    for ( i=0; i <= morphindex; i++ ) {
+		const I even = _picks[i].bin*2,odd = even + 1;
+		_channel1[even] = _channel2[even];
+		_channel1[odd] = _channel2[odd];
+    }
+}
+
diff --git a/externals/grill/fftease/src/scrape~.cpp b/externals/grill/fftease/src/scrape~.cpp
new file mode 100644
index 00000000..6d63ed6b
--- /dev/null
+++ b/externals/grill/fftease/src/scrape~.cpp
@@ -0,0 +1,158 @@
+/*
+
+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"
+#include <stdlib.h>
+
+class scrape:
+	public fftease
+{
+	FLEXT_HEADER_S(scrape,fftease,setup)
+	
+public:
+	scrape(I argc,const t_atom *argv);
+
+protected:
+
+	virtual V Transform(I n,S *const *in);
+
+	F _thresh1,_thresh2;
+	F _knee,_cutoff;
+	F *_threshfunc;
+
+	V UpdThrFun();
+
+private:
+	virtual V Set();
+	virtual V Clear();
+	virtual V Delete();
+
+	static V setup(t_classid c);
+
+	V ms_knee(F knee) { _knee = knee; UpdThrFun(); }
+	V ms_cutoff(F cutoff) { _cutoff = cutoff; UpdThrFun(); }
+
+	FLEXT_ATTRGET_F(_knee)
+	FLEXT_CALLSET_F(ms_knee)
+	FLEXT_ATTRGET_F(_cutoff)
+	FLEXT_CALLSET_F(ms_cutoff)
+};
+
+FLEXT_LIB_DSP_V("fftease, scrape~",scrape)
+
+
+V scrape::setup(t_classid c)
+{
+	FLEXT_CADDATTR_VAR(c,"knee",_knee,ms_knee);
+	FLEXT_CADDATTR_VAR(c,"cutoff",_cutoff,ms_cutoff);
+}
+
+
+scrape::scrape(I argc,const t_atom *argv):
+	fftease(4,F_WINDOW|F_BITSHUFFLE|F_CRES),
+	_thresh1(.0001),_thresh2(.09),
+	_knee(1000),_cutoff(4000)
+
+{
+	/* parse and set object's options given */
+	if(argc >= 1) {
+		if(CanbeFloat(argv[0]))
+			_knee = GetAFloat(argv[0]);
+		else
+			post("%s - Knee must be a float value - set to %f",thisName(),_knee);
+	}
+	if(argc >= 2) {
+		if(CanbeFloat(argv[0])) {
+			F c = GetAFloat(argv[0]);
+			if(c > 0) _cutoff = c;
+			else
+				post("%s - Cutoff must be > 0 - set to %f",thisName(),_cutoff);
+		}
+		else
+			post("%s - Cutoff must be a float value - set to %f",thisName(),_cutoff);
+	}
+
+	AddInSignal("Messages and input signal");
+	AddInSignal("Multiplier signal");
+	AddOutSignal("Transformed signal");
+}
+
+V scrape::Clear()
+{
+	fftease::Clear();
+	_threshfunc = NULL;
+}
+
+V scrape::Delete() 
+{
+	fftease::Delete();
+	if(_threshfunc) delete[] _threshfunc;
+}
+
+V scrape::Set() 
+{
+	fftease::Set();
+
+	const I _N2 = Blocksize()*Mult()/2; 
+	_threshfunc = new F[_N2];
+	UpdThrFun();
+}
+
+V scrape::UpdThrFun() 
+{
+	const I _N = Blocksize()*Mult(),_N2 = _N/2; 
+	const F funda = Samplerate()/(_N*2);
+
+	F curfreq = funda;
+	for(I i = 0; i < _N2; i++ ) {
+		if( curfreq  < _knee )
+			_threshfunc[i] = 0;
+		else if( curfreq >= _knee && curfreq < _cutoff ) {
+			F m = (_knee - curfreq) / (_cutoff - _knee) ;
+			_threshfunc[i] = (1-m) * _thresh1 + m * _thresh2 ;
+		} else
+			_threshfunc[i] = _thresh2;
+
+		curfreq += funda ;
+	}
+}
+
+
+V scrape::Transform(I _N2,S *const *in)
+{
+	const F fmult = *in[0];
+
+	I i;
+	F maxamp = 1.;
+
+	for( i = 0; i <= _N2; i++ ) {
+		const I amp = i*2;
+		if( maxamp < _channel1[amp] ) maxamp = _channel1[amp];
+	}
+
+	for ( i = 0; i <= _N2; i++ ) {
+		const I real = i*2,imag = real+1;
+
+		F a = ( i == _N2 ? _buffer1[1] : _buffer1[real] );
+		F b = ( i == 0 || i == _N2 ? 0. : _buffer1[imag] );
+
+		_channel1[real] = hypot( a, b );
+		if ( _channel1[real] < _threshfunc[i] * maxamp ) _channel1[real] *= fmult;
+		_channel1[imag] = -atan2( b, a );
+	}
+
+	for ( i = 0; i <= _N2; i++ ) {
+		const I real = i*2, imag = real+1;
+		_buffer1[real] = _channel1[real] * cos( _channel1[imag] );
+		if( i != _N2 ) _buffer1[imag] = -_channel1[real] * sin( _channel1[imag] );
+	}
+}
+
diff --git a/externals/grill/fftease/src/shapee~.cpp b/externals/grill/fftease/src/shapee~.cpp
new file mode 100644
index 00000000..2fa0268c
--- /dev/null
+++ b/externals/grill/fftease/src/shapee~.cpp
@@ -0,0 +1,79 @@
+/*
+
+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"
+#include <stdlib.h>
+
+class shapee:
+	public fftease
+{
+	FLEXT_HEADER(shapee,fftease)
+	
+public:
+	shapee(I argc,const t_atom *argv);
+
+protected:
+
+	virtual V Transform(I n,S *const *in);
+
+	BL _qual;
+};
+
+FLEXT_LIB_DSP_V("fftease, shapee~",shapee)
+
+
+shapee::shapee(I argc,const t_atom *argv):
+	fftease(2,F_STEREO|F_BITSHUFFLE|F_CONVERT),
+	_qual(false)
+{
+	/* parse and set object's options given */
+	if(argc >= 1) {
+		if(CanbeBool(argv[0]))
+			_qual = GetABool(argv[0]);
+		else
+			post("%s - Quality must be a boolean value - set to %0i",thisName(),_qual?1:0);
+	}
+
+	if(_qual)
+		_mult = 4,_flags |= F_WINDOW;
+	else
+		_mult = 2;
+
+	AddInSignal("Messages and frequency reference signal");
+	AddInSignal("Amplitude reference signal");
+	AddOutSignal("Transformed signal");
+}
+
+
+V shapee::Transform(I _N2,S *const *in)
+{
+	// lets just shape the entire signal in groups of three 
+
+	const _N = _N2*2;
+	I i;
+	for ( i=2; i < _N+2; i += 6 ) {
+		F lowerMult = _channel1[i-2] / _channel1[i];
+		F upperMult = _channel1[i+2] / _channel1[i];
+		F newCenter = ( _channel2[i-2]+_channel2[i]+_channel2[i+2] ) / (upperMult + lowerMult + 1);
+
+		_channel2[i-2] = lowerMult * newCenter;
+		_channel2[i+2] = upperMult * newCenter;
+		_channel2[i] = newCenter; 
+	}
+
+	for ( i=0; i < _N; i+=2 ) {
+		_channel1[i] = _channel2[i];
+		if ( _channel1[i] == 0. ) 
+			_channel1[i+1] = 0.;
+		else if( _channel1[i+1] == 0. )
+			_channel1[i+1] = _channel2[i+1];
+	}
+}