2 Copyright (C) 2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_monitor_processor_h__
21 #define __ardour_monitor_processor_h__
27 #include "pbd/signals.h"
28 #include "pbd/compose.h"
29 #include "pbd/controllable.h"
31 #include "ardour/libardour_visibility.h"
32 #include "ardour/types.h"
33 #include "ardour/processor.h"
35 #include "ardour/dB.h"
44 class /*LIBARDOUR_API*/ MPControl : public PBD::Controllable {
46 MPControl (T initial, const std::string& name, PBD::Controllable::Flag flag,
47 float lower = 0.0f, float upper = 1.0f)
48 : PBD::Controllable (name, flag)
54 /* Controllable API */
56 void set_value (double v) {
58 if (newval != _value) {
59 _value = std::max (_lower, std::min (_upper, newval));
60 Changed(); /* EMIT SIGNAL */
64 double get_value () const {
65 return (float) _value;
68 double internal_to_user (double i) const { return accurate_coefficient_to_dB (i);}
69 double user_to_internal (double u) const { return dB_to_coefficient(u) ;}
71 std::string get_user_string () const
73 char theBuf[32]; sprintf( theBuf, "%3.1f dB", accurate_coefficient_to_dB (get_value()));
74 return std::string(theBuf);
77 double lower () const { return _lower; }
78 double upper () const { return _upper; }
80 /* "access as T" API */
82 MPControl& operator=(const T& v) {
84 _value = std::max (_lower, std::min (_upper, v));
85 Changed (); /* EMIT SIGNAL */
90 bool operator==(const T& v) const {
94 bool operator<(const T& v) const {
98 bool operator<=(const T& v) const {
102 bool operator>(const T& v) const {
106 bool operator>=(const T& v) const {
110 operator T() const { return _value; }
111 T val() const { return _value; }
119 class LIBARDOUR_API MonitorProcessor : public Processor
122 MonitorProcessor (Session&);
123 ~MonitorProcessor ();
125 bool display_to_user() const;
127 void run (BufferSet& /*bufs*/, framepos_t /*start_frame*/, framepos_t /*end_frame*/, pframes_t /*nframes*/, bool /*result_required*/);
129 XMLNode& state (bool full);
130 int set_state (const XMLNode&, int /* version */);
132 bool configure_io (ChanCount in, ChanCount out);
133 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
135 void set_cut_all (bool);
136 void set_dim_all (bool);
137 void set_polarity (uint32_t, bool invert);
138 void set_cut (uint32_t, bool cut);
139 void set_dim (uint32_t, bool dim);
140 void set_solo (uint32_t, bool);
141 void set_mono (bool);
143 gain_t dim_level() const { return _dim_level; }
144 gain_t solo_boost_level() const { return _solo_boost_level; }
146 bool dimmed (uint32_t chn) const;
147 bool soloed (uint32_t chn) const;
148 bool inverted (uint32_t chn) const;
149 bool cut (uint32_t chn) const;
150 bool cut_all () const;
151 bool dim_all () const;
154 PBD::Signal0<void> Changed;
156 boost::shared_ptr<PBD::Controllable> channel_cut_control (uint32_t) const;
157 boost::shared_ptr<PBD::Controllable> channel_dim_control (uint32_t) const;
158 boost::shared_ptr<PBD::Controllable> channel_polarity_control (uint32_t) const;
159 boost::shared_ptr<PBD::Controllable> channel_solo_control (uint32_t) const;
161 boost::shared_ptr<PBD::Controllable> dim_control () const { return _dim_all_control; }
162 boost::shared_ptr<PBD::Controllable> cut_control () const { return _cut_all_control; }
163 boost::shared_ptr<PBD::Controllable> mono_control () const { return _mono_control; }
164 boost::shared_ptr<PBD::Controllable> dim_level_control () const { return _dim_level_control; }
165 boost::shared_ptr<PBD::Controllable> solo_boost_control () const { return _solo_boost_level_control; }
168 struct ChannelRecord {
171 /* pointers - created first, but managed by boost::shared_ptr<> */
173 MPControl<gain_t>* cut_ptr;
174 MPControl<bool>* dim_ptr;
175 MPControl<gain_t>* polarity_ptr;
176 MPControl<bool>* soloed_ptr;
178 /* shared ptr access and lifetime management, for external users */
180 boost::shared_ptr<PBD::Controllable> cut_control;
181 boost::shared_ptr<PBD::Controllable> dim_control;
182 boost::shared_ptr<PBD::Controllable> polarity_control;
183 boost::shared_ptr<PBD::Controllable> soloed_control;
185 /* typed controllables for internal use */
187 MPControl<gain_t>& cut;
188 MPControl<bool>& dim;
189 MPControl<gain_t>& polarity;
190 MPControl<bool>& soloed;
192 ChannelRecord (uint32_t);
195 std::vector<ChannelRecord*> _channels;
199 /* pointers - created first, but managed by boost::shared_ptr<> */
201 MPControl<bool>* _dim_all_ptr;
202 MPControl<bool>* _cut_all_ptr;
203 MPControl<bool>* _mono_ptr;
204 MPControl<volatile gain_t>* _dim_level_ptr;
205 MPControl<volatile gain_t>* _solo_boost_level_ptr;
207 /* shared ptr access and lifetime management, for external users */
209 boost::shared_ptr<PBD::Controllable> _dim_all_control;
210 boost::shared_ptr<PBD::Controllable> _cut_all_control;
211 boost::shared_ptr<PBD::Controllable> _mono_control;
212 boost::shared_ptr<PBD::Controllable> _dim_level_control;
213 boost::shared_ptr<PBD::Controllable> _solo_boost_level_control;
215 /* typed controllables for internal use */
217 MPControl<bool>& _dim_all;
218 MPControl<bool>& _cut_all;
219 MPControl<bool>& _mono;
220 MPControl<volatile gain_t>& _dim_level;
221 MPControl<volatile gain_t>& _solo_boost_level;
223 void allocate_channels (uint32_t);
228 #endif /* __ardour_monitor_processor_h__ */