git-svn-id: svn://localhost/ardour2/branches/3.0@6128 d708f5d6-7413-0410-9779-e7cbd77b26cf
301 lines
6.3 KiB
C++
301 lines
6.3 KiB
C++
/*
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Copyright (C) 2000-2002 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define __STDC_FORMAT_MACROS
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#include <inttypes.h>
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#include <algorithm>
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#include <sigc++/bind.h>
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#include "pbd/error.h"
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#include "pbd/enumwriter.h"
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#include "ardour/amp.h"
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#include "ardour/route_group.h"
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#include "ardour/audio_track.h"
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#include "ardour/audio_diskstream.h"
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#include "ardour/configuration.h"
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#include "ardour/session.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace sigc;
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using namespace std;
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RouteGroup::RouteGroup (Session& s, const string &n, Flag f, Property p)
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: _session (s), _name (n), _flags (f), _properties (Property (p))
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{
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}
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void
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RouteGroup::set_name (string str)
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{
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_name = str;
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_session.set_dirty ();
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FlagsChanged (0); /* EMIT SIGNAL */
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}
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int
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RouteGroup::add (Route *r)
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{
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routes.push_back (r);
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r->GoingAway.connect (sigc::bind (mem_fun (*this, &RouteGroup::remove_when_going_away), r));
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_session.set_dirty ();
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changed (); /* EMIT SIGNAL */
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return 0;
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}
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void
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RouteGroup::remove_when_going_away (Route *r)
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{
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remove (r);
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}
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int
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RouteGroup::remove (Route *r)
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{
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list<Route *>::iterator i;
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if ((i = find (routes.begin(), routes.end(), r)) != routes.end()) {
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routes.erase (i);
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_session.set_dirty ();
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changed (); /* EMIT SIGNAL */
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return 0;
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}
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return -1;
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}
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gain_t
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RouteGroup::get_min_factor(gain_t factor)
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{
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gain_t g;
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for (list<Route *>::iterator i = routes.begin(); i != routes.end(); i++) {
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g = (*i)->amp()->gain();
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if ( (g+g*factor) >= 0.0f)
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continue;
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if ( g <= 0.0000003f )
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return 0.0f;
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factor = 0.0000003f/g - 1.0f;
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}
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return factor;
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}
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gain_t
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RouteGroup::get_max_factor(gain_t factor)
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{
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gain_t g;
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for (list<Route *>::iterator i = routes.begin(); i != routes.end(); i++) {
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g = (*i)->amp()->gain();
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// if the current factor woulnd't raise this route above maximum
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if ( (g+g*factor) <= 1.99526231f)
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continue;
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// if route gain is already at peak, return 0.0f factor
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if (g>=1.99526231f)
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return 0.0f;
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// factor is calculated so that it would raise current route to max
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factor = 1.99526231f/g - 1.0f;
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}
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return factor;
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}
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XMLNode&
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RouteGroup::get_state (void)
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{
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XMLNode *node = new XMLNode ("RouteGroup");
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node->add_property ("name", _name);
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node->add_property ("flags", enum_2_string (_flags));
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node->add_property ("properties", enum_2_string (_properties));
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return *node;
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}
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int
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RouteGroup::set_state (const XMLNode& node, int version)
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{
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if (version < 3000) {
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return set_state_2X (node, version);
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}
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const XMLProperty *prop;
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if ((prop = node.property ("name")) != 0) {
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_name = prop->value();
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}
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if ((prop = node.property ("flags")) != 0) {
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_flags = Flag (string_2_enum (prop->value(), _flags));
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}
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if ((prop = node.property ("properties")) != 0) {
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_properties = Property (string_2_enum (prop->value(), _properties));
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}
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return 0;
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}
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int
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RouteGroup::set_state_2X (const XMLNode& node, int /*version*/)
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{
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XMLProperty const * prop;
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if ((prop = node.property ("name")) != 0) {
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_name = prop->value();
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}
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if ((prop = node.property ("flags")) != 0) {
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_flags = Flag (string_2_enum (prop->value(), _flags));
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}
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if (node.name() == "MixGroup") {
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_properties = Property (Gain | Mute | Solo | RecEnable);
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} else if (node.name() == "EditGroup") {
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_properties = Property (Select | Edit);
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}
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return 0;
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}
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void
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RouteGroup::set_active (bool yn, void *src)
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{
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if (is_active() == yn) {
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return;
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}
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if (yn) {
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_flags = Flag (_flags | Active);
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} else {
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_flags = Flag (_flags & ~Active);
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}
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_session.set_dirty ();
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FlagsChanged (src); /* EMIT SIGNAL */
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}
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void
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RouteGroup::set_relative (bool yn, void *src)
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{
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if (is_relative() == yn) {
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return;
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}
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if (yn) {
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_flags = Flag (_flags | Relative);
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} else {
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_flags = Flag (_flags & ~Relative);
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}
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_session.set_dirty ();
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FlagsChanged (src); /* EMIT SIGNAL */
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}
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void
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RouteGroup::set_hidden (bool yn, void *src)
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{
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if (is_hidden() == yn) {
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return;
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}
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if (yn) {
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_flags = Flag (_flags | Hidden);
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if (Config->get_hiding_groups_deactivates_groups()) {
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_flags = Flag (_flags & ~Active);
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}
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} else {
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_flags = Flag (_flags & ~Hidden);
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if (Config->get_hiding_groups_deactivates_groups()) {
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_flags = Flag (_flags | Active);
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}
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}
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_session.set_dirty ();
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FlagsChanged (src); /* EMIT SIGNAL */
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}
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void
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RouteGroup::audio_track_group (set<AudioTrack*>& ats)
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{
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for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
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AudioTrack* at = dynamic_cast<AudioTrack*>(*i);
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if (at) {
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ats.insert (at);
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}
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}
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}
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void
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RouteGroup::make_subgroup ()
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{
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RouteList rl;
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uint32_t nin = 0;
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/* since we don't do MIDI Busses yet, check quickly ... */
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for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
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if ((*i)->output()->n_ports().n_midi() != 0) {
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PBD::info << _("You cannot subgroup MIDI tracks at this time") << endmsg;
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return;
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}
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}
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for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
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nin = max (nin, (*i)->output()->n_ports().n_audio());
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}
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try {
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/* use master bus etc. to determine default nouts */
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rl = _session.new_audio_route (false, nin, 2, 0, 1);
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} catch (...) {
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return;
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}
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subgroup_bus = rl.front();
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subgroup_bus->set_name (_name);
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boost::shared_ptr<Bundle> bundle = subgroup_bus->input()->bundle ();
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for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
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(*i)->output()->disconnect (this);
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(*i)->output()->connect_ports_to_bundle (bundle, this);
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}
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}
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void
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RouteGroup::destroy_subgroup ()
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{
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if (!subgroup_bus) {
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return;
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}
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for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
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(*i)->output()->disconnect (this);
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/* XXX find a new bundle to connect to */
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}
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_session.remove_route (subgroup_bus);
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subgroup_bus.reset ();
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}
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