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/*
ToneStack.cc
Copyright 2006-7
David Yeh <dtyeh@ccrma.stanford.edu>
2007-2013
Tim Goetze <tim@quitte.de> (cosmetics)
Tone Stack emulation.
*
*/
/*
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 3
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 or point your web browser to http://www.gnu.org.
*/
#include "basics.h"
#include "dsp/util.h"
#include "ToneStack.h"
#include "Descriptor.h"
#include "dsp/tonestack/ks_tab.h"
#include "dsp/tonestack/vs_tab.h"
const char *
DSP::ToneStack::presetdict =
"{0:'basswoman', 1:'twin', 2:'wookie', 3:'DC 30', 4:'juice 800',"
"5:'stanford', 6:'AK 20', 7:'nihon ace', 8:'porky',"
"9:'5F6-A LT'}";
DSP::TSParameters
DSP::ToneStack::presets[] = {
/* for convenience, */
#define k *1e3
#define M *1e6
#define nF *1e-9
#define pF *1e-12
/* parameter order is R1 - R4, C1 - C3 */
/* R1=treble R2=Bass R3=Mid, C1-3 related caps, R4 = parallel resistor */
/* { 250000, 1000000, 25000, 56000, 0.25e-9, 20e-9, 20e-9 }, DY */
{250 k, 1 M, 25 k, 56 k, 250 pF, 20 nF, 20 nF}, /* 59 Bassman 5F6-A */
{250 k, 250 k, 10 k, 100 k, 120 pF, 100 nF, 47 nF}, /* 69 Twin Reverb AA270 */
{250 k, 1 M, 25 k, 47 k, 600 pF, 20 nF, 20 nF}, /* Mesa Dual Rect. 'Orange' */
/* Vox -- R3 is fixed (circuit differs anyway) */
{1 M, 1 M, 10 k, 100 k, 50 pF, 22 nF, 22 nF}, /* 59/86 Vox AC-30 */
{220 k, 1 M, 22 k, 33 k, 470 pF, 22 nF, 22 nF}, /* 59/81 JCM-800 Lead 100 2203 */
{250 k, 250 k, 4.8 k, 100 k, 250 pF, 100 nF, 47 nF}, /* 64 Princeton AA1164 */
{500 k, 1 M, 25 k, 47 k, 150 pF, 22 nF, 22 nF}, /* Hughes & Kettner Tube 20 */
{250 k, 250 k, 10 k, 100 k, 150 pF, 82 nF, 47 nF}, /* Roland Jazz Chorus */
{250 k, 1 M, 50 k, 33 k, 100 pF, 22 nF, 22 nF}, /* Pignose G40V */
#if 0
/* R4 is a 10 k fixed + 100 k pot in series actually */
{250 k, 1 M, 25 k, 33 k, 500 pF, 22 nF, 22 nF}, /* 67 Major Lead 200 */
{250 k, 1 M, 25 k, 56 k, 500 pF, 22 nF, 22 nF}, /* 81 2000 Lead */
{250 k, 250 k, 25 k, 56 k, 250 pF, 47 nF, 47 nF}, /* undated M2199 30W solid state */
#endif
#undef k
#undef M
#undef nF
#undef pF
};
void
ToneStack::activate()
{
model = -1;
}
template <yield_func_t F>
void
ToneStack::cycle (uint frames)
{
static int LTModel = port_info[0].range.UpperBound;
int m = getport(0);
if (m != model)
{
model = m;
if (model == LTModel)
tonestacklt.reset();
else
tonestack.setmodel (model);
}
sample_t * s = ports[4];
sample_t * d = ports[5];
float bass=getport(1), mid=getport(2), treble=getport(3);
if (model == LTModel)
{
tonestacklt.updatecoefs (bass, mid, treble);
for (uint i = 0; i < frames; ++i)
{
sample_t a = s[i];
a = tonestacklt.process (a + normal);
F (d, i, a, adding_gain);
}
}
else
{
tonestack.updatecoefs (bass, mid, treble);
for (uint i = 0; i < frames; ++i)
{
sample_t a = s[i];
a = tonestack.process (a + normal);
F (d, i, a, adding_gain);
}
}
}
PortInfo
ToneStack::port_info [] =
{
{ "model", CTRL_IN, {DEFAULT_0 | INTEGER, 0, 8+1}, DSP::ToneStack::presetdict },
{ "bass", CTRL_IN | GROUP, {DEFAULT_MID, 0, 1} },
{ "mid", CTRL_IN, {DEFAULT_MID, 0, 1} },
{ "treble", CTRL_IN, {DEFAULT_MID, 0, 1} },
{ "in", INPUT | AUDIO, {BOUNDED, -1, 1} },
{ "out", OUTPUT | AUDIO }
};
template <> void
Descriptor<ToneStack>::setup()
{
Label = "ToneStack";
Name = CAPS "ToneStack - Classic amplifier tone stack emulation";
Maker = "David T. Yeh <dtyeh@ccrma.stanford.edu>";
Copyright = "2006-12";
/* fill port info and vtable */
autogen();
}
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