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Remove old API

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This commit is contained in:
Robin Gareus 2017-06-19 00:58:10 +02:00
parent ea1f27162b
commit 2627cd414c
1 changed files with 0 additions and 70 deletions
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70
libs/ardour/ardour/utils.h
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@ -81,76 +81,6 @@ LIBARDOUR_API ARDOUR::SyncSource string_to_sync_source (std::string str);
LIBARDOUR_API const char* edit_mode_to_string (ARDOUR::EditMode);
LIBARDOUR_API ARDOUR::EditMode string_to_edit_mode (std::string);
#undef OLD_GAIN_MATH
#define OLD_GAIN_MATH
static inline double
gain_to_slider_position (ARDOUR::gain_t g)
{
if (g == 0) return 0;
#ifndef OLD_GAIN_MATH
/* Power Law With Exponential Cutoff 2D, fit to data from TC Spectra
console (image of fader gradations
y = C * x(-T) * exp(-x/K)
C = 8.2857630370864188E-01
T = -5.1526743785019269E-01
K = 7.8990885960495589E+00
*/
return 8.2857630370864188E-01 * pow(g,5.1526743785019269E-01) * exp (-g/7.8990885960495589E+00);
#else
return pow((6.0*log(g)/log(2.0)+192.0)/198.0, 8.0);
#endif
}
static inline ARDOUR::gain_t
slider_position_to_gain (double pos)
{
if (pos == 0.0) {
return 0.0;
}
#ifndef OLD_GAIN_MATH
/* 5th order polynomial function fit to data from a TC Spectra console
fader (image of fader gradations).
y = a + bx1 + cx2 + dx3 + fx4 + gx5
a = -1.1945480381045521E-02
b = 1.5809476525537265E+00
c = -1.5850710838966151E+01
d = 6.1643128605961991E+01
f = -8.5525246160607693E+01
g = 4.1312725896188283E+01
*/
double p = pos;
double g = -1.1945480381045521E-02;
g += 1.5809476525537265E+00 * pos;
pos *= p;
g += -1.5850710838966151E+01 * pos;
pos *= p;
g += 6.1643128605961991E+01 * pos;
pos *= p;
g += -8.5525246160607693E+01 * pos;
pos *= p;
g += 4.1312725896188283E+01 * pos;
return g;
#else
/* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */
if (pos == 0.0) return 0;
return pow (2.0,(sqrt(sqrt(sqrt(pos)))*198.0-192.0)/6.0);
#endif
}
#undef OLD_GAIN_MATH
LIBARDOUR_API double gain_to_slider_position_with_max (double g, double max_gain = 2.0);
LIBARDOUR_API double slider_position_to_gain_with_max (double g, double max_gain = 2.0);