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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 "evoral/ControlList.hpp"
#include "ardour/mute_master.h"
#include "ardour/session.h"
#include "ardour/mute_control.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace std;
MuteControl::MuteControl (Session& session, std::string const & name, Muteable& m)
: SlavableAutomationControl (session, MuteAutomation, ParameterDescriptor (MuteAutomation),
boost::shared_ptr<AutomationList> (new AutomationList (Evoral::Parameter (MuteAutomation))),
name)
, _muteable (m)
{
_list->set_interpolation (Evoral::ControlList::Discrete);
/* mute changes must be synchronized by the process cycle */
set_flags (Controllable::Flag (flags() | Controllable::RealTime));
}
void
MuteControl::actually_set_value (double val, Controllable::GroupControlDisposition gcd)
{
if (muted_by_self() != bool (val)) {
_muteable.mute_master()->set_muted_by_self (val);
/* allow the Muteable to respond to the mute change
before anybody else knows about it.
*/
_muteable.act_on_mute ();
}
AutomationControl::actually_set_value (val, gcd);
}
void
MuteControl::master_changed (bool self_change, Controllable::GroupControlDisposition gcd)
{
double m = get_masters_value ();
const int32_t old_muted_by_others = _muteable.mute_master()->muted_by_others ();
std::cerr << "master " << (self_change ? " self " : " not-self") << " changed to " << m << " old others = " << old_muted_by_others << std::endl;
_muteable.mute_master()->mod_muted_by_others (m ? 1 : -1);
if (m) {
/* master(s) are now muted. If we are self-muted, this
doesn't change our status. If we are not self-muted,
then it changes our status if either:
- the master had its own self-muted status changed OR
- the total number of masters that are muted used to be zero
*/
if (!muted_by_self()) {
if (self_change || old_muted_by_others == 0) {
/* note false as the first argument - our own
value was not changed
*/
Changed (false, gcd);
} else {
cerr << " no Change signal\n";
}
} else {
cerr << "muted by self, not relevant\n";
}
} else {
/* no master(s) are now muted. If we are self-muted, this
doesn't change our status. If we are not self-muted,
then it changes our status if either:
- the master had its own self-muted status changed OR
- the total number of masters that are muted used to be non-zero
*/
if (!muted_by_self()) {
if (self_change || old_muted_by_others != 0) {
Changed (false, gcd);
} else {
cerr << " No change signal\n";
}
} else {
cerr << "muted by self, not relevant\n";
}
}
}
double
MuteControl::get_value () const
{
if (slaved ()) {
Glib::Threads::RWLock::ReaderLock lm (master_lock);
return get_masters_value_locked ();
}
if (_list && boost::dynamic_pointer_cast<AutomationList>(_list)->automation_playback()) {
// Playing back automation, get the value from the list
return AutomationControl::get_value();
}
return muted() ? 1.0 : 0.0;
}
void
MuteControl::set_mute_points (MuteMaster::MutePoint mp)
{
_muteable.mute_master()->set_mute_points (mp);
_muteable.mute_points_changed (); /* EMIT SIGNAL */
if (_muteable.mute_master()->muted_by_self()) {
Changed (true, Controllable::UseGroup); /* EMIT SIGNAL */
}
}
MuteMaster::MutePoint
MuteControl::mute_points () const
{
return _muteable.mute_master()->mute_points ();
}
bool
MuteControl::muted () const
{
return _muteable.mute_master()->muted_by_self() || _muteable.mute_master()->muted_by_others();
}
bool
MuteControl::muted_by_self () const
{
return _muteable.mute_master()->muted_by_self();
}
bool
MuteControl::muted_by_others () const
{
return _muteable.mute_master()->muted_by_others ();
}
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