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author | Michele Calgaro <michele.calgaro@yahoo.it> | 2020-12-08 22:26:17 +0900 |
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committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2020-12-08 22:26:17 +0900 |
commit | fce86b22a2367f1be1f9aae5e1ba3d18d1371b74 (patch) | |
tree | 707fe84fef0569a152e632ce1e16407f9d19a3d2 /arts/modules/synth/synth_moog_vcf_impl.cc | |
parent | 41fa1afc2c571b909acd0312e4eebb4a0b21e3c2 (diff) | |
download | tdemultimedia-fce86b22a2367f1be1f9aae5e1ba3d18d1371b74.tar.gz tdemultimedia-fce86b22a2367f1be1f9aae5e1ba3d18d1371b74.zip |
Renaming of files in preparation for code style tools.
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'arts/modules/synth/synth_moog_vcf_impl.cc')
-rw-r--r-- | arts/modules/synth/synth_moog_vcf_impl.cc | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/arts/modules/synth/synth_moog_vcf_impl.cc b/arts/modules/synth/synth_moog_vcf_impl.cc deleted file mode 100644 index 77bf5394..00000000 --- a/arts/modules/synth/synth_moog_vcf_impl.cc +++ /dev/null @@ -1,91 +0,0 @@ -/* - - Copyright (C) 2000 Jeff Tranter - tranter@pobox.com - - (C) 1999 Stefan Westerfeld - stefan@space.twc.de - - 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - - */ - -#include "artsmodulessynth.h" -#include "stdsynthmodule.h" - -using namespace Arts; - -/* -Try this. It's a really nice 4pole. Very Moog like. - -in[x] and out[x] are member variables, init to 0.0 -the controls: - -fc = cutoff, nearly linear [0,1] -> [0, fs/2] -res = resonance [0, 4] -> [no resonance, self-oscillation] -*/ - -class Synth_MOOG_VCF_impl : virtual public Synth_MOOG_VCF_skel, - virtual public StdSynthModule -{ -protected: - float _frequency, _resonance; - double freqcorrect; - double in1, in2, in3, in4; - double out1, out2, out3, out4; - -public: - float frequency() { return _frequency; } - void frequency(float newFrequency) { _frequency = newFrequency; } - - float resonance() { return _resonance; } - void resonance(float newResonance) { _resonance = newResonance; } - - void streamInit() - { - in1 = in2 = in3 = in4 = out1 = out2 = out3 = out4 = 0.0; - } - - void calculateBlock(unsigned long samples) - { - freqcorrect = 1.16 / (double)(samplingRate / 2); - - for (unsigned int i=0; i < samples; i++) - { - double input = invalue[i]; - double fc = _frequency; - double res = _resonance; - double f = fc * freqcorrect; - double fb = res * (1.0 - 0.15 * f * f); - - input -= out4 * fb; - input *= 0.35013 * (f * f) * (f * f); - - out1 = input + 0.3 * in1 + (1 - f) * out1; // Pole 1 - in1 = input; - out2 = out1 + 0.3 * in2 + (1 - f) * out2; // Pole 2 - in2 = out1; - out3 = out2 + 0.3 * in3 + (1 - f) * out3; // Pole 3 - in3 = out2; - out4 = out3 + 0.3 * in4 + (1 - f) * out4; // Pole 4 - in4 = out3; - - outvalue[i] = out4; - } - } - -}; - -REGISTER_IMPLEMENTATION(Synth_MOOG_VCF_impl); |