libs/ardour/mute_master.cc

   1 /*
   2
   3     Copyright (C) 2009 Paul Davis
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #include "pbd/enumwriter.h"
  22 #include "pbd/xml++.h"
  23
  24 #include "ardour/types.h"
  25 #include "ardour/mute_master.h"
  26 #include "ardour/session.h"
  27
  28 #include "i18n.h"
  29
  30 using namespace ARDOUR;
  31 using namespace std;
  32
  33 MuteMaster::MuteMaster (Session& s, const std::string&)
  34         : SessionHandleRef (s)
  35         , _mute_point (MutePoint (0))
  36         , _muted_by_self (false)
  37         , _soloed (false)
  38         , _solo_ignore (false)
  39 {
  40
  41         if (Config->get_mute_affects_pre_fader ()) {
  42                 _mute_point = MutePoint (_mute_point | PreFader);
  43         }
  44
  45         if (Config->get_mute_affects_post_fader ()) {
  46                 _mute_point = MutePoint (_mute_point | PostFader);
  47         }
  48
  49         if (Config->get_mute_affects_control_outs ()) {
  50                 _mute_point = MutePoint (_mute_point | Listen);
  51         }
  52
  53         if (Config->get_mute_affects_main_outs ()) {
  54                 _mute_point = MutePoint (_mute_point | Main);
  55         }
  56 }
  57
  58 void
  59 MuteMaster::mute_at (MutePoint mp)
  60 {
  61         if ((_mute_point & mp) != mp) {
  62                 _mute_point = MutePoint (_mute_point | mp);
  63                 MutePointChanged (); // EMIT SIGNAL
  64         }
  65 }
  66
  67 void
  68 MuteMaster::unmute_at (MutePoint mp)
  69 {
  70         if ((_mute_point & mp) == mp) {
  71                 _mute_point = MutePoint (_mute_point & ~mp);
  72                 MutePointChanged (); // EMIT SIGNAL
  73         }
  74 }
  75
  76 void
  77 MuteMaster::set_soloed (bool yn)
  78 {
  79         _soloed = yn;
  80 }
  81
  82 gain_t
  83 MuteMaster::mute_gain_at (MutePoint mp) const
  84 {
  85         gain_t gain;
  86
  87         if (Config->get_solo_mute_override()) {
  88                 if (_soloed) {
  89                         gain = 1.0;
  90                 } else if (muted_by_self_at (mp)) {
  91                         gain = 0.0;
  92                 } else {
  93                         if (muted_by_others_at (mp)) {
  94                                 gain = Config->get_solo_mute_gain ();
  95                         } else {
  96                                 gain = 1.0;
  97                         }
  98                 }
  99         } else {
 100                 if (muted_by_self_at (mp)) {
 101                         gain = 0.0;
 102                 } else if (_soloed) {
 103                         gain = 1.0;
 104                 } else {
 105                         if (muted_by_others_at (mp)) {
 106                                 gain = Config->get_solo_mute_gain ();
 107                         } else {
 108                                 gain = 1.0;
 109                         }
 110                 }
 111         }
 112
 113         return gain;
 114 }
 115
 116 void
 117 MuteMaster::set_mute_points (const std::string& mute_point)
 118 {
 119         MutePoint old = _mute_point;
 120
 121         _mute_point = (MutePoint) string_2_enum (mute_point, _mute_point);
 122
 123         if (old != _mute_point) {
 124                 MutePointChanged(); /* EMIT SIGNAL */
 125         }
 126 }
 127
 128 void
 129 MuteMaster::set_mute_points (MutePoint mp)
 130 {
 131         if (_mute_point != mp) {
 132                 _mute_point = mp;
 133                 MutePointChanged (); /* EMIT SIGNAL */
 134         }
 135 }
 136
 137 int
 138 MuteMaster::set_state (const XMLNode& node, int /*version*/)
 139 {
 140         const XMLProperty* prop;
 141
 142         if ((prop = node.property ("mute-point")) != 0) {
 143                 _mute_point = (MutePoint) string_2_enum (prop->value(), _mute_point);
 144         }
 145
 146         if ((prop = node.property ("muted")) != 0) {
 147                 _muted_by_self = string_is_affirmative (prop->value());
 148         } else {
 149                 _muted_by_self = (_mute_point != MutePoint (0));
 150         }
 151
 152         return 0;
 153 }
 154
 155 XMLNode&
 156 MuteMaster::get_state()
 157 {
 158         XMLNode* node = new XMLNode (X_("MuteMaster"));
 159         node->add_property ("mute-point", enum_2_string (_mute_point));
 160         node->add_property ("muted", (_muted_by_self ? X_("yes") : X_("no")));
 161         return *node;
 162 }
 163
 164 bool
 165 MuteMaster::muted_by_others_at (MutePoint mp) const
 166 {
 167         return (!_solo_ignore && _session.soloing() && (_mute_point & mp));
 168 }
 169