add missing files
git-svn-id: svn://localhost/ardour2/branches/3.0@13039 d708f5d6-7413-0410-9779-e7cbd77b26cf
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libs/ardour/ardour/automation_watch.h
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59
libs/ardour/ardour/automation_watch.h
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/*
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Copyright (C) 2012 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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#include <list>
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#include <boost/shared_ptr.hpp>
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#include <glibmm/thread.h>
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#include <sigc++/signal.h>
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#include "pbd/signals.h"
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#include "ardour/session_handle.h"
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namespace ARDOUR {
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class AutomationControl;
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class AutomationWatch : public sigc::trackable, public ARDOUR::SessionHandlePtr, public PBD::ScopedConnectionList {
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public:
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static AutomationWatch& instance();
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void add_automation_watch (boost::shared_ptr<ARDOUR::AutomationControl>);
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void remove_automation_watch (boost::shared_ptr<ARDOUR::AutomationControl>);
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void set_session (ARDOUR::Session*);
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gint timer ();
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private:
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typedef std::list<boost::shared_ptr<ARDOUR::AutomationControl> > AutomationWatches;
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AutomationWatch ();
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~AutomationWatch();
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static AutomationWatch* _instance;
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Glib::Thread* _thread;
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bool _run_thread;
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AutomationWatches automation_watches;
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Glib::Mutex automation_watch_lock;
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void remove_weak_automation_watch (boost::weak_ptr<ARDOUR::AutomationControl>);
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void thread ();
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};
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}
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146
libs/ardour/automation_watch.cc
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libs/ardour/automation_watch.cc
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/*
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Copyright (C) 2012 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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#include <iostream>
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#include "pbd/compose.h"
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#include "ardour/automation_control.h"
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#include "ardour/automation_watch.h"
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#include "ardour/debug.h"
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#include "ardour/session.h"
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using namespace ARDOUR;
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using namespace PBD;
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using std::cerr;
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using std::endl;
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AutomationWatch* AutomationWatch::_instance = 0;
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AutomationWatch&
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AutomationWatch::instance ()
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{
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if (_instance == 0) {
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_instance = new AutomationWatch;
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}
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return *_instance;
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}
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AutomationWatch::AutomationWatch ()
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: _thread (0)
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, _run_thread (false)
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{
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}
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AutomationWatch::~AutomationWatch ()
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{
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if (_thread) {
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_run_thread = false;
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_thread->join ();
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_thread = 0;
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}
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Glib::Mutex::Lock lm (automation_watch_lock);
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automation_watches.clear ();
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}
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void
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AutomationWatch::add_automation_watch (boost::shared_ptr<AutomationControl> ac)
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{
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Glib::Mutex::Lock lm (automation_watch_lock);
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DEBUG_TRACE (DEBUG::Automation, string_compose ("now watching control %1 for automation\n", ac->name()));
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automation_watches.push_back (ac);
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/* we can't store shared_ptr<Destructible> in connections because it
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* creates reference cycles. we don't need to make the weak_ptr<>
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* explicit here, but it helps to remind us what is going on.
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*/
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boost::weak_ptr<AutomationControl> wac (ac);
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ac->DropReferences.connect_same_thread (*this, boost::bind (&AutomationWatch::remove_weak_automation_watch, this, wac));
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}
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void
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AutomationWatch::remove_weak_automation_watch (boost::weak_ptr<AutomationControl> wac)
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{
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boost::shared_ptr<AutomationControl> ac = wac.lock();
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if (!ac) {
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return;
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}
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remove_automation_watch (ac);
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}
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void
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AutomationWatch::remove_automation_watch (boost::shared_ptr<AutomationControl> ac)
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{
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Glib::Mutex::Lock lm (automation_watch_lock);
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DEBUG_TRACE (DEBUG::Automation, string_compose ("remove control %1 from automation watch\n", ac->name()));
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automation_watches.remove (ac);
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}
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gint
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AutomationWatch::timer ()
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{
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if (!_session || !_session->transport_rolling()) {
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return TRUE;
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}
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{
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Glib::Mutex::Lock lm (automation_watch_lock);
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framepos_t time = _session->audible_frame ();
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for (AutomationWatches::iterator aw = automation_watches.begin(); aw != automation_watches.end(); ++aw) {
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(*aw)->list()->add (time, (*aw)->user_double(), true);
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}
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}
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return TRUE;
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}
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void
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AutomationWatch::thread ()
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{
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while (_run_thread) {
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usleep (100000); // Config->get_automation_interval() * 10);
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timer ();
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}
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}
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void
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AutomationWatch::set_session (Session* s)
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{
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if (_thread) {
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_run_thread = false;
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_thread->join ();
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_thread = 0;
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}
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SessionHandlePtr::set_session (s);
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if (_session) {
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_run_thread = true;
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_thread = Glib::Thread::create (boost::bind (&AutomationWatch::thread, this),
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500000, true, true, Glib::THREAD_PRIORITY_NORMAL);
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}
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}
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