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livetrax/libs/ardour/pannable.cc
Paul Davis f871d665d5 tweaks to boost debug related code, from a boost debugging session
git-svn-id: svn://localhost/ardour2/branches/3.0@10336 d708f5d6-7413-0410-9779-e7cbd77b26cf
2011-10-29 15:52:38 +00:00

287 lines
8.5 KiB
C++

/*
Copyright (C) 2011 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/error.h"
#include "pbd/convert.h"
#include "pbd/compose.h"
#include "pbd/boost_debug.h"
#include "ardour/debug.h"
#include "ardour/automation_control.h"
#include "ardour/automation_list.h"
#include "ardour/pannable.h"
#include "ardour/panner.h"
#include "ardour/pan_controllable.h"
#include "ardour/session.h"
#include "i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
Pannable::Pannable (Session& s)
: Automatable (s)
, SessionHandleRef (s)
, pan_azimuth_control (new PanControllable (s, "", this, PanAzimuthAutomation))
, pan_elevation_control (new PanControllable (s, "", this, PanElevationAutomation))
, pan_width_control (new PanControllable (s, "", this, PanWidthAutomation))
, pan_frontback_control (new PanControllable (s, "", this, PanFrontBackAutomation))
, pan_lfe_control (new PanControllable (s, "", this, PanLFEAutomation))
, _auto_state (Off)
, _auto_style (Absolute)
, _has_state (false)
, _responding_to_control_auto_state_change (0)
{
//boost_debug_shared_ptr_mark_interesting (this, "pannable");
add_control (pan_azimuth_control);
add_control (pan_elevation_control);
add_control (pan_width_control);
add_control (pan_frontback_control);
add_control (pan_lfe_control);
/* all controls change state together */
pan_azimuth_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
pan_elevation_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
pan_width_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
pan_frontback_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
pan_lfe_control->alist()->automation_state_changed.connect_same_thread (*this, boost::bind (&Pannable::control_auto_state_changed, this, _1));
pan_azimuth_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
pan_elevation_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
pan_width_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
pan_frontback_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
pan_lfe_control->Changed.connect_same_thread (*this, boost::bind (&Pannable::value_changed, this));
}
Pannable::~Pannable ()
{
DEBUG_TRACE (DEBUG::Destruction, string_compose ("pannable @ %1 destructor\n", this));
}
void
Pannable::control_auto_state_changed (AutoState new_state)
{
if (_responding_to_control_auto_state_change) {
return;
}
_responding_to_control_auto_state_change++;
pan_azimuth_control->set_automation_state (new_state);
pan_width_control->set_automation_state (new_state);
pan_elevation_control->set_automation_state (new_state);
pan_frontback_control->set_automation_state (new_state);
pan_lfe_control->set_automation_state (new_state);
_responding_to_control_auto_state_change--;
_auto_state = new_state;
automation_state_changed (new_state); /* EMIT SIGNAL */
}
void
Pannable::set_panner (boost::shared_ptr<Panner> p)
{
_panner = p;
}
void
Pannable::value_changed ()
{
_session.set_dirty ();
}
void
Pannable::set_automation_state (AutoState state)
{
if (state != _auto_state) {
_auto_state = state;
const Controls& c (controls());
for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
if (ac) {
ac->alist()->set_automation_state (state);
}
}
session().set_dirty ();
automation_state_changed (_auto_state);
}
}
void
Pannable::set_automation_style (AutoStyle style)
{
if (style != _auto_style) {
_auto_style = style;
const Controls& c (controls());
for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
if (ac) {
ac->alist()->set_automation_style (style);
}
}
session().set_dirty ();
automation_style_changed ();
}
}
void
Pannable::start_touch (double when)
{
const Controls& c (controls());
for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
if (ac) {
ac->alist()->start_touch (when);
}
}
g_atomic_int_set (&_touching, 1);
}
void
Pannable::stop_touch (bool mark, double when)
{
const Controls& c (controls());
for (Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
if (ac) {
ac->alist()->stop_touch (mark, when);
}
}
g_atomic_int_set (&_touching, 0);
}
XMLNode&
Pannable::get_state ()
{
return state (true);
}
XMLNode&
Pannable::state (bool /*full*/)
{
XMLNode* node = new XMLNode (X_("Pannable"));
node->add_child_nocopy (pan_azimuth_control->get_state());
node->add_child_nocopy (pan_width_control->get_state());
node->add_child_nocopy (pan_elevation_control->get_state());
node->add_child_nocopy (pan_frontback_control->get_state());
node->add_child_nocopy (pan_lfe_control->get_state());
node->add_child_nocopy (get_automation_xml_state ());
return *node;
}
int
Pannable::set_state (const XMLNode& root, int version)
{
if (root.name() != X_("Pannable")) {
warning << string_compose (_("Pannable given XML data for %1 - ignored"), root.name()) << endmsg;
return -1;
}
const XMLNodeList& nlist (root.children());
XMLNodeConstIterator niter;
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
if ((*niter)->name() == Controllable::xml_node_name) {
const XMLProperty* prop = (*niter)->property (X_("name"));
if (!prop) {
continue;
}
if (prop->value() == pan_azimuth_control->name()) {
pan_azimuth_control->set_state (**niter, version);
} else if (prop->value() == pan_width_control->name()) {
pan_width_control->set_state (**niter, version);
} else if (prop->value() == pan_elevation_control->name()) {
pan_elevation_control->set_state (**niter, version);
} else if (prop->value() == pan_frontback_control->name()) {
pan_frontback_control->set_state (**niter, version);
} else if (prop->value() == pan_lfe_control->name()) {
pan_lfe_control->set_state (**niter, version);
}
} else if ((*niter)->name() == Automatable::xml_node_name) {
set_automation_xml_state (**niter, PanAzimuthAutomation);
} else {
const XMLProperty* prop;
/* old school (alpha1-6) XML info */
if ((*niter)->name() == X_("azimuth")) {
prop = (*niter)->property (X_("value"));
if (prop) {
pan_azimuth_control->set_value (atof (prop->value()));
}
} else if ((*niter)->name() == X_("width")) {
prop = (*niter)->property (X_("value"));
if (prop) {
pan_width_control->set_value (atof (prop->value()));
}
} else if ((*niter)->name() == X_("elevation")) {
prop = (*niter)->property (X_("value"));
if (prop) {
pan_elevation_control->set_value (atof (prop->value()));
}
} else if ((*niter)->name() == X_("frontback")) {
prop = (*niter)->property (X_("value"));
if (prop) {
pan_frontback_control->set_value (atof (prop->value()));
}
} else if ((*niter)->name() == X_("lfe")) {
prop = (*niter)->property (X_("value"));
if (prop) {
pan_lfe_control->set_value (atof (prop->value()));
}
}
}
}
_has_state = true;
return 0;
}
string
Pannable::value_as_string (boost::shared_ptr<AutomationControl> ac) const
{
boost::shared_ptr<Panner> p = panner ();
if (p) {
return p->value_as_string (ac);
}
return Automatable::value_as_string (ac);
}