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author | Tim Blechmann <timblech@users.sourceforge.net> | 2004-07-14 16:21:44 +0000 |
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committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 15:11:54 +0200 |
commit | d0ae3caca5828675335d3b19ab5dd987e7369b23 (patch) | |
tree | ffb89eb98dc91b1c1b471d2c221f18dafbfb48a6 /sc4pd/source/Hasher.cpp | |
parent | e0775c6066f90ece58bf84326ab7180cb6c3d539 (diff) |
This commit was generated by cvs2svn to compensate for changes in r1857,
which included commits to RCS files with non-trunk default branches.
svn path=/trunk/externals/tb/; revision=1858
Diffstat (limited to 'sc4pd/source/Hasher.cpp')
-rw-r--r-- | sc4pd/source/Hasher.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sc4pd/source/Hasher.cpp b/sc4pd/source/Hasher.cpp new file mode 100644 index 0000000..9fc2f48 --- /dev/null +++ b/sc4pd/source/Hasher.cpp @@ -0,0 +1,122 @@ +/* sc4pd + Hasher~, Hasher + + Copyright (c) 2004 Tim Blechmann. + + This code is derived from: + SuperCollider real time audio synthesis system + Copyright (c) 2002 James McCartney. All rights reserved. + http://www.audiosynth.com + + + 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. + + 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. + http://www.crca.ucsd.edu/~msp/software.html + FLEXT by Thomas Grill + http://www.parasitaere-kapazitaeten.net/ext + SuperCollider by James McCartney + http://www.audiosynth.com + + Coded while listening to: Philip Jeck: Stoke + +*/ + +#include <flext.h> +#include "support.hpp" +#include "SC_PlugIn.h" + + +#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406) +#error You need at least FLEXT version 0.4.6 +#endif + +/* ------------------------ Hasher~ -----------------------------------*/ + +class Hasher_ar + :public flext_dsp +{ + FLEXT_HEADER(Hasher_ar,flext_dsp); + +public: + Hasher_ar(); + +protected: + virtual void m_signal(int n, t_sample *const *in, t_sample *const *out); +private: + +}; + +FLEXT_LIB_DSP("Hasher~",Hasher_ar); + +Hasher_ar::Hasher_ar() +{ + AddOutSignal(); +} + +void Hasher_ar::m_signal(int n, t_sample *const *in, + t_sample *const *out) +{ + int32 *nin = (int32*)*in; + t_sample *nout = *out; + + for (int i = 0; i!= n;++i) + { + union { float f; int i; } u; + int z = (*(nin)++); + u.i = 0x40000000 | ((uint32)Hash(z) >> 9); + (*(nout)++) = u.f -3.f; + } +} + + +/* ------------------------ Hasher ------------------------------------*/ + +class Hasher_kr + :public flext_base +{ + FLEXT_HEADER(Hasher_kr,flext_base); + +public: + Hasher_kr(); + +protected: + void m_perform(float f); + +private: + FLEXT_CALLBACK_F(m_perform); +}; + +FLEXT_LIB("Hasher",Hasher_kr); + +Hasher_kr::Hasher_kr() +{ + AddInFloat(); + AddOutFloat(); + + FLEXT_ADDMETHOD(0,m_perform); +} + +void Hasher_kr::m_perform(float f) +{ + int32 * fi = (int32*) &f; + + union { float f; int i; } u; + int z = *fi; + u.i = 0x40000000 | ((uint32)Hash(z) >> 9); + + ToOutFloat(0,u.f -3.f); +} |