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Diffstat (limited to 'tbext/source/tbsig~.cpp')
| -rw-r--r-- | tbext/source/tbsig~.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/tbext/source/tbsig~.cpp b/tbext/source/tbsig~.cpp new file mode 100644 index 0000000..cda79cc --- /dev/null +++ b/tbext/source/tbsig~.cpp @@ -0,0 +1,85 @@ +/* Copyright (c) 2003 Tim Blechmann. */ +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL */ +/* WARRANTIES, see the file, "COPYING" in this distribution. */ +/* */ +/* */ +/* tbsig~ is gives you the sign of an audio signal. should be useful to create */ +/* a square oscillator or some noisy sounds */ +/* */ +/* */ +/* tbsig~ uses the flext C++ layer for Max/MSP and PD externals. */ +/* get it at http://www.parasitaere-kapazitaeten.de/PD/ext */ +/* thanks to Thomas Grill */ +/* */ +/* */ +/* */ +/* This program is free software; you can redistribute it and/or */ +/* modify it under the terms of the GNU General Public License */ +/* as published by the Free Software Foundation; either version 2 */ +/* of the License, or (at your option) any later version. */ +/* */ +/* See file LICENSE for further informations on licensing terms. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program; if not, write to the Free Software */ +/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* Based on PureData by Miller Puckette and others. */ +/* */ +/* */ +/* */ +/* coded while listening to: Peter Broetzmann & Hamid Drake: The Dried Rat-Dog */ +/* */ +/* */ + + + +#include <flext.h> + +#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 401) +#error upgrade your flext version!!!!!! +#endif + +class tbsig: public flext_dsp +{ + FLEXT_HEADER(tbsig,flext_dsp); + +public: // constructor + tbsig(); + +protected: + virtual void m_signal (int n, float *const *in, float *const *out); + +}; + + +FLEXT_LIB_DSP("tbsig~",tbsig); + +tbsig::tbsig() +{ + AddInSignal(); + AddOutSignal(); +} + + +void tbsig::m_signal(int n, float *const *in, float *const *out) +{ + const float *ins=in[0]; + float *outs = out[0]; + + while (n--) + { + if (*ins>0) + *outs = 1; + else + *outs = -1; + *outs++; + *ins++; + } + +} |