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/*
Copyright (C) 2016 Paul Davis
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 "pbd/convert.h"
#include "pbd/error.h"
#include "pbd/replace_all.h"
#include "ardour/boost_debug.h"
#include "ardour/session.h"
#include "ardour/slavable.h"
#include "ardour/vca.h"
#include "ardour/vca_manager.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace Glib::Threads;
using namespace PBD;
using std::string;
string VCAManager::xml_node_name (X_("VCAManager"));
VCAManager::VCAManager (Session& s)
: SessionHandleRef (s)
, _vcas_loaded (false)
{
}
VCAManager::~VCAManager ()
{
clear ();
}
void
VCAManager::clear ()
{
Mutex::Lock lm (lock);
for (VCAList::const_iterator i = _vcas.begin(); i != _vcas.end(); ++i) {
(*i)->DropReferences ();
}
_vcas.clear ();
}
VCAList
VCAManager::vcas () const
{
Mutex::Lock lm (lock);
return _vcas;
}
int
VCAManager::create_vca (uint32_t howmany, std::string const & name_template)
{
VCAList vcal;
{
Mutex::Lock lm (lock);
for (uint32_t n = 0; n < howmany; ++n) {
int num = VCA::next_vca_number ();
string name = name_template;
if (name.find ("%n")) {
string sn = PBD::to_string (num, std::dec);
replace_all (name, "%n", sn);
}
boost::shared_ptr<VCA> vca = boost::shared_ptr<VCA> (new VCA (_session, num, name));
BOOST_MARK_VCA (vca);
vca->init ();
_vcas.push_back (vca);
vcal.push_back (vca);
}
}
VCAAdded (vcal); /* EMIT SIGNAL */
_session.set_dirty ();
return 0;
}
void
VCAManager::remove_vca (boost::shared_ptr<VCA> vca)
{
{
Mutex::Lock lm (lock);
_vcas.remove (vca);
}
/* this should cause deassignment and deletion */
vca->DropReferences ();
_session.set_dirty ();
}
boost::shared_ptr<VCA>
VCAManager::vca_by_number (int32_t n) const
{
Mutex::Lock lm (lock);
for (VCAList::const_iterator i = _vcas.begin(); i != _vcas.end(); ++i) {
if ((*i)->number() == n) {
return *i;
}
}
return boost::shared_ptr<VCA>();
}
XMLNode&
VCAManager::get_state ()
{
XMLNode* node = new XMLNode (xml_node_name);
{
Mutex::Lock lm (lock);
for (VCAList::const_iterator i = _vcas.begin(); i != _vcas.end(); ++i) {
node->add_child_nocopy ((*i)->get_state());
}
}
return *node;
}
int
VCAManager::set_state (XMLNode const& node, int version)
{
if (node.name() != xml_node_name) {
return -1;
}
XMLNodeList const & children = node.children();
VCAList vcal;
_vcas_loaded = false;
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() == VCA::xml_node_name) {
boost::shared_ptr<VCA> vca = boost::shared_ptr<VCA> (new VCA (_session, 0, X_("tobereset")));
BOOST_MARK_VCA (vca);
if (vca->init() || vca->set_state (**i, version)) {
error << _("Cannot set state of a VCA") << endmsg;
return -1;
}
/* can't hold the lock for the entire loop,
* because the new VCA maybe slaved and needs
* to call back into us to set up its own
* slave/master relationship
*/
{
Mutex::Lock lm (lock);
_vcas.push_back (vca);
vcal.push_back (vca);
}
}
}
_vcas_loaded = true;
VCAAdded (vcal); /* EMIT SIGNAL */
return 0;
}
void
VCAManager::clear_all_solo_state ()
{
Mutex::Lock lm (lock);
for (VCAList::const_iterator i = _vcas.begin(); i != _vcas.end(); ++i) {
(*i)->clear_all_solo_state ();
}
}
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