2 Copyright (C) 2000-2009 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 #define __STDC_FORMAT_MACROS
26 #include "pbd/error.h"
27 #include "pbd/enumwriter.h"
28 #include "pbd/strsplit.h"
30 #include "ardour/amp.h"
31 #include "ardour/route_group.h"
32 #include "ardour/audio_track.h"
33 #include "ardour/audio_diskstream.h"
34 #include "ardour/configuration.h"
35 #include "ardour/session.h"
39 using namespace ARDOUR;
42 RouteGroup::RouteGroup (Session& s, const string &n, Flag f, Property p)
44 , routes (new RouteList)
47 , _properties (Property (p))
51 RouteGroup::~RouteGroup ()
53 for (RouteList::iterator i = routes->begin(); i != routes->end();) {
54 RouteList::iterator tmp = i;
57 (*i)->leave_route_group ();
64 RouteGroup::set_name (string str)
67 _session.set_dirty ();
68 FlagsChanged (0); /* EMIT SIGNAL */
72 RouteGroup::add (boost::shared_ptr<Route> r)
74 assert (find (routes->begin(), routes->end(), r) == routes->end ());
76 r->leave_route_group ();
78 routes->push_back (r);
80 r->join_route_group (this);
81 r->DropReferences.connect_same_thread (*this, boost::bind (&RouteGroup::remove_when_going_away, this, boost::weak_ptr<Route> (r)));
83 _session.set_dirty ();
84 changed (); /* EMIT SIGNAL */
89 RouteGroup::remove_when_going_away (boost::weak_ptr<Route> wr)
91 boost::shared_ptr<Route> r (wr.lock());
99 RouteGroup::remove (boost::shared_ptr<Route> r)
101 RouteList::iterator i;
103 if ((i = find (routes->begin(), routes->end(), r)) != routes->end()) {
104 r->leave_route_group ();
106 _session.set_dirty ();
107 changed (); /* EMIT SIGNAL */
116 RouteGroup::get_min_factor(gain_t factor)
120 for (RouteList::iterator i = routes->begin(); i != routes->end(); i++) {
121 g = (*i)->amp()->gain();
123 if ( (g+g*factor) >= 0.0f)
126 if ( g <= 0.0000003f )
129 factor = 0.0000003f/g - 1.0f;
135 RouteGroup::get_max_factor(gain_t factor)
139 for (RouteList::iterator i = routes->begin(); i != routes->end(); i++) {
140 g = (*i)->amp()->gain();
142 // if the current factor woulnd't raise this route above maximum
143 if ( (g+g*factor) <= 1.99526231f)
146 // if route gain is already at peak, return 0.0f factor
150 // factor is calculated so that it would raise current route to max
151 factor = 1.99526231f/g - 1.0f;
158 RouteGroup::get_state (void)
160 XMLNode *node = new XMLNode ("RouteGroup");
161 node->add_property ("name", _name);
162 node->add_property ("flags", enum_2_string (_flags));
163 node->add_property ("properties", enum_2_string (_properties));
165 if (!routes->empty()) {
168 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
169 str << (*i)->id () << ' ';
172 node->add_property ("routes", str.str());
179 RouteGroup::set_state (const XMLNode& node, int version)
181 if (version < 3000) {
182 return set_state_2X (node, version);
185 const XMLProperty *prop;
187 if ((prop = node.property ("name")) != 0) {
188 _name = prop->value();
191 if ((prop = node.property ("flags")) != 0) {
192 _flags = Flag (string_2_enum (prop->value(), _flags));
195 if ((prop = node.property ("properties")) != 0) {
196 _properties = Property (string_2_enum (prop->value(), _properties));
199 if ((prop = node.property ("routes")) != 0) {
200 stringstream str (prop->value());
202 split (str.str(), ids, ' ');
204 for (vector<string>::iterator i = ids.begin(); i != ids.end(); ++i) {
206 boost::shared_ptr<Route> r = _session.route_by_id (id);
218 RouteGroup::set_state_2X (const XMLNode& node, int /*version*/)
220 XMLProperty const * prop;
222 if ((prop = node.property ("name")) != 0) {
223 _name = prop->value();
226 if ((prop = node.property ("flags")) != 0) {
227 _flags = Flag (string_2_enum (prop->value(), _flags));
230 if (node.name() == "MixGroup") {
231 _properties = Property (Gain | Mute | Solo | RecEnable);
232 } else if (node.name() == "EditGroup") {
233 _properties = Property (Select | Edit);
240 RouteGroup::set_active (bool yn, void *src)
242 if (is_active() == yn) {
246 _flags = Flag (_flags | Active);
248 _flags = Flag (_flags & ~Active);
250 _session.set_dirty ();
251 FlagsChanged (src); /* EMIT SIGNAL */
255 RouteGroup::set_relative (bool yn, void *src)
258 if (is_relative() == yn) {
262 _flags = Flag (_flags | Relative);
264 _flags = Flag (_flags & ~Relative);
266 _session.set_dirty ();
267 FlagsChanged (src); /* EMIT SIGNAL */
271 RouteGroup::set_hidden (bool yn, void *src)
274 if (is_hidden() == yn) {
278 _flags = Flag (_flags | Hidden);
279 if (Config->get_hiding_groups_deactivates_groups()) {
280 _flags = Flag (_flags & ~Active);
283 _flags = Flag (_flags & ~Hidden);
284 if (Config->get_hiding_groups_deactivates_groups()) {
285 _flags = Flag (_flags | Active);
288 _session.set_dirty ();
289 FlagsChanged (src); /* EMIT SIGNAL */
293 RouteGroup::audio_track_group (set<boost::shared_ptr<AudioTrack> >& ats)
295 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
296 boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack>(*i);
304 RouteGroup::make_subgroup ()
309 /* since we don't do MIDI Busses yet, check quickly ... */
311 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
312 if ((*i)->output()->n_ports().n_midi() != 0) {
313 PBD::info << _("You cannot subgroup MIDI tracks at this time") << endmsg;
318 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
319 nin = max (nin, (*i)->output()->n_ports().n_audio());
323 /* use master bus etc. to determine default nouts */
324 rl = _session.new_audio_route (false, nin, 2, 0, 1);
329 subgroup_bus = rl.front();
330 subgroup_bus->set_name (_name);
332 boost::shared_ptr<Bundle> bundle = subgroup_bus->input()->bundle ();
334 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
335 (*i)->output()->disconnect (this);
336 (*i)->output()->connect_ports_to_bundle (bundle, this);
341 RouteGroup::destroy_subgroup ()
347 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
348 (*i)->output()->disconnect (this);
349 /* XXX find a new bundle to connect to */
352 _session.remove_route (subgroup_bus);
353 subgroup_bus.reset ();