1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*
Copyright (C) 2014 Paul Davis
Author: David Robillard
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.,
675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ardour/amp.h"
#include "ardour/parameter_descriptor.h"
#include "ardour/types.h"
namespace ARDOUR {
ParameterDescriptor::ParameterDescriptor(const Evoral::Parameter& parameter)
: Evoral::ParameterDescriptor()
, key((uint32_t)-1)
, datatype(Variant::NOTHING)
, unit(NONE)
, step(0)
, smallstep(0)
, largestep(0)
, integer_step(parameter.type() >= MidiCCAutomation &&
parameter.type() <= MidiChannelPressureAutomation)
, logarithmic(false)
, sr_dependent(false)
, min_unbound(0)
, max_unbound(0)
, enumeration(false)
{
if (parameter.type() == GainAutomation) {
unit = DB;
}
switch((AutomationType)parameter.type()) {
case GainAutomation:
upper = Amp::max_gain_coefficient;
normal = 1.0f;
break;
case PanAzimuthAutomation:
normal = 0.5f; // there really is no _normal but this works for stereo, sort of
break;
case PanWidthAutomation:
lower = -1.0;
upper = 1.0;
normal = 0.0f;
break;
case RecEnableAutomation:
/* default 0.0 - 1.0 is fine */
toggled = true;
break;
case PluginAutomation:
case FadeInAutomation:
case FadeOutAutomation:
case EnvelopeAutomation:
upper = 2.0f;
normal = 1.0f;
break;
case SoloAutomation:
case MuteAutomation:
upper = 1.0f;
normal = 0.0f;
toggled = true;
break;
case MidiCCAutomation:
case MidiPgmChangeAutomation:
case MidiChannelPressureAutomation:
lower = 0.0;
normal = 0.0;
upper = 127.0;
break;
case MidiPitchBenderAutomation:
lower = 0.0;
normal = 8192.0;
upper = 16383.0;
break;
default:
break;
}
update_steps();
}
ParameterDescriptor::ParameterDescriptor()
: Evoral::ParameterDescriptor()
, key((uint32_t)-1)
, datatype(Variant::NOTHING)
, unit(NONE)
, step(0)
, smallstep(0)
, largestep(0)
, integer_step(false)
, logarithmic(false)
, sr_dependent(false)
, min_unbound(0)
, max_unbound(0)
, enumeration(false)
{}
void
ParameterDescriptor::update_steps()
{
if (unit == ParameterDescriptor::MIDI_NOTE) {
step = smallstep = 1; // semitone
largestep = 12; // octave
} else if (integer_step) {
const float delta = upper - lower;
smallstep = delta / 10000.0f;
step = delta / 1000.0f;
largestep = delta / 40.0f;
smallstep = std::max(1.0, rint(smallstep));
step = std::max(1.0, rint(step));
largestep = std::max(1.0, rint(largestep));
}
/* else: leave all others as default '0'
* in that case the UI (eg. AutomationController::create)
* uses internal_to_interface() to map the value
* to an appropriate interface range
*/
}
} // namespace ARDOUR
|