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livetrax/libs/ardour/phase_control.cc

96 lines
2.6 KiB
C++

/*
* Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ardour/phase_control.h"
#include "ardour/session.h"
#include "pbd/i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
PhaseControl::PhaseControl (Session& session, std::string const & name, Temporal::TimeDomainProvider const & tdp)
: AutomationControl (session, PhaseAutomation, ParameterDescriptor (PhaseAutomation),
std::shared_ptr<AutomationList>(new AutomationList(Evoral::Parameter(PhaseAutomation), tdp)),
name)
{
}
void
PhaseControl::actually_set_value (double val, Controllable::GroupControlDisposition gcd)
{
size_t s = _phase_invert.size ();
_phase_invert = boost::dynamic_bitset<> (std::numeric_limits<double>::digits, (unsigned long) val);
_phase_invert.resize (s);
AutomationControl::actually_set_value (val, gcd);
}
/** @param c Audio channel index.
* @param yn true to invert phase, otherwise false.
*/
void
PhaseControl::set_phase_invert (uint32_t c, bool yn)
{
if (_phase_invert[c] != yn) {
_phase_invert[c] = yn;
AutomationControl::actually_set_value (_phase_invert.to_ulong(), Controllable::NoGroup);
}
}
void
PhaseControl::set_phase_invert (boost::dynamic_bitset<> p)
{
if (_phase_invert != p) {
_phase_invert = p;
AutomationControl::actually_set_value (_phase_invert.to_ulong(), Controllable::NoGroup);
}
}
void
PhaseControl::resize (uint32_t n)
{
_phase_invert.resize (n);
}
XMLNode&
PhaseControl::get_state () const
{
XMLNode& node (AutomationControl::get_state ());
string p;
boost::to_string (_phase_invert, p);
node.set_property ("phase-invert", p);
return node;
}
int
PhaseControl::set_state (XMLNode const & node, int version)
{
AutomationControl::set_state (node, version);
std::string str;
if (node.get_property (X_("phase-invert"), str)) {
set_phase_invert (boost::dynamic_bitset<> (str));
}
return 0;
}