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diff --git a/libs/ardour/automatable.cc b/libs/ardour/automatable.cc
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-/*
- Copyright (C) 2001,2007 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 <ardour/ardour.h>
-#include <fstream>
-#include <inttypes.h>
-#include <cstdio>
-#include <errno.h>
-#include <pbd/error.h>
-#include <pbd/enumwriter.h>
-#include <midi++/names.h>
-#include <ardour/session.h>
-#include <ardour/automatable.h>
-#include <ardour/midi_track.h>
-
-#include "i18n.h"
-
-using namespace std;
-using namespace ARDOUR;
-using namespace PBD;
-
-nframes_t Automatable::_automation_interval = 0;
-
-Automatable::Automatable(Session& _session, const string& name)
- : SessionObject(_session, name)
- , _last_automation_snapshot(0)
-{}
-
-int
-Automatable::old_set_automation_state (const XMLNode& node)
-{
- const XMLProperty *prop;
-
- if ((prop = node.property ("path")) != 0) {
- load_automation (prop->value());
- } else {
- warning << string_compose(_("%1: Automation node has no path property"), _name) << endmsg;
- }
-
- if ((prop = node.property ("visible")) != 0) {
- uint32_t what;
- stringstream sstr;
-
- _visible_controls.clear ();
-
- sstr << prop->value();
- while (1) {
- sstr >> what;
- if (sstr.fail()) {
- break;
- }
- mark_automation_visible (Parameter(PluginAutomation, what), true);
- }
- }
-
- _last_automation_snapshot = 0;
-
- return 0;
-}
-
-int
-Automatable::load_automation (const string& path)
-{
- string fullpath;
-
- if (path[0] == '/') { // legacy
- fullpath = path;
- } else {
- fullpath = _session.automation_dir();
- fullpath += path;
- }
- ifstream in (fullpath.c_str());
-
- if (!in) {
- warning << string_compose(_("%1: cannot open %2 to load automation data (%3)"), _name, fullpath, strerror (errno)) << endmsg;
- return 1;
- }
-
- Glib::Mutex::Lock lm (_automation_lock);
- set<Parameter> tosave;
- _controls.clear ();
-
- _last_automation_snapshot = 0;
-
- while (in) {
- double when;
- double value;
- uint32_t port;
-
- in >> port; if (!in) break;
- in >> when; if (!in) goto bad;
- in >> value; if (!in) goto bad;
-
- /* FIXME: this is legacy and only used for plugin inserts? I think? */
- boost::shared_ptr<AutomationControl> c = control (Parameter(PluginAutomation, port), true);
- c->list()->add (when, value);
- tosave.insert (Parameter(PluginAutomation, port));
- }
-
- return 0;
-
- bad:
- error << string_compose(_("%1: cannot load automation data from %2"), _name, fullpath) << endmsg;
- _controls.clear ();
- return -1;
-}
-
-void
-Automatable::add_control(boost::shared_ptr<AutomationControl> ac)
-{
- Parameter param = ac->parameter();
-
- _controls[param] = ac;
-
- _can_automate_list.insert(param);
-
- // Sync everything (derived classes) up to initial values
- auto_state_changed(param);
-}
-
-void
-Automatable::what_has_automation (set<Parameter>& s) const
-{
- Glib::Mutex::Lock lm (_automation_lock);
- Controls::const_iterator li;
-
- // FIXME: correct semantics?
- for (li = _controls.begin(); li != _controls.end(); ++li) {
- s.insert ((*li).first);
- }
-}
-
-void
-Automatable::what_has_visible_automation (set<Parameter>& s) const
-{
- Glib::Mutex::Lock lm (_automation_lock);
- set<Parameter>::const_iterator li;
-
- for (li = _visible_controls.begin(); li != _visible_controls.end(); ++li) {
- s.insert (*li);
- }
-}
-
-/** Returns NULL if we don't have an AutomationList for \a parameter.
- */
-boost::shared_ptr<AutomationControl>
-Automatable::control (Parameter parameter, bool create_if_missing)
-{
- Controls::iterator i = _controls.find(parameter);
-
- if (i != _controls.end()) {
- return i->second;
-
- } else if (create_if_missing) {
- boost::shared_ptr<AutomationList> al (new AutomationList (
- parameter, FLT_MIN, FLT_MAX, default_parameter_value (parameter)));
- boost::shared_ptr<AutomationControl> ac(control_factory(al));
- add_control(ac);
- return ac;
-
- } else {
- //warning << "AutomationList " << parameter.to_string() << " not found for " << _name << endmsg;
- return boost::shared_ptr<AutomationControl>();
- }
-}
-
-boost::shared_ptr<const AutomationControl>
-Automatable::control (Parameter parameter) const
-{
- Controls::const_iterator i = _controls.find(parameter);
-
- if (i != _controls.end()) {
- return i->second;
- } else {
- //warning << "AutomationList " << parameter.to_string() << " not found for " << _name << endmsg;
- return boost::shared_ptr<AutomationControl>();
- }
-}
-
-string
-Automatable::describe_parameter (Parameter param)
-{
- /* derived classes like PluginInsert should override this */
-
- if (param == Parameter(GainAutomation)) {
- return _("Fader");
- } else if (param.type() == PanAutomation) {
- return (string_compose(_("Pan %1"), param.id()));
- } else if (param.type() == MidiCCAutomation) {
- return string_compose("CC %1 (%2) [%3]",
- param.id(), midi_name(param.id()), int(param.channel()) + 1);
- } else if (param.type() == MidiPgmChangeAutomation) {
- return string_compose("Program [%1]", int(param.channel()) + 1);
- } else if (param.type() == MidiPitchBenderAutomation) {
- return string_compose("Bender [%1]", int(param.channel()) + 1);
- } else if (param.type() == MidiChannelAftertouchAutomation) {
- return string_compose("Aftertouch [%1]", int(param.channel()) + 1);
- } else {
- return param.to_string();
- }
-}
-
-void
-Automatable::can_automate (Parameter what)
-{
- _can_automate_list.insert (what);
-}
-
-void
-Automatable::mark_automation_visible (Parameter what, bool yn)
-{
- if (yn) {
- _visible_controls.insert (what);
- } else {
- set<Parameter>::iterator i;
-
- if ((i = _visible_controls.find (what)) != _visible_controls.end()) {
- _visible_controls.erase (i);
- }
- }
-}
-
-bool
-Automatable::find_next_event (nframes_t now, nframes_t end, ControlEvent& next_event) const
-{
- Controls::const_iterator li;
-
- next_event.when = max_frames;
-
- for (li = _controls.begin(); li != _controls.end(); ++li) {
-
- AutomationList::const_iterator i;
- boost::shared_ptr<const AutomationList> alist (li->second->list());
- ControlEvent cp (now, 0.0f);
-
- for (i = lower_bound (alist->const_begin(), alist->const_end(), &cp, AutomationList::time_comparator);
- i != alist->const_end() && (*i)->when < end; ++i) {
- if ((*i)->when > now) {
- break;
- }
- }
-
- if (i != alist->const_end() && (*i)->when < end) {
-
- if ((*i)->when < next_event.when) {
- next_event.when = (*i)->when;
- }
- }
- }
-
- return next_event.when != max_frames;
-}
-
-/** \a legacy_param is used for loading legacy sessions where an object (IO, Panner)
- * had a single automation parameter, with it's type implicit. Derived objects should
- * pass that type and it will be used for the untyped AutomationList found.
- */
-int
-Automatable::set_automation_state (const XMLNode& node, Parameter legacy_param)
-{
- Glib::Mutex::Lock lm (_automation_lock);
-
- /* Don't clear controls, since some may be special derived Controllable classes */
-
- _visible_controls.clear ();
-
- XMLNodeList nlist = node.children();
- XMLNodeIterator niter;
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- /*if (sscanf ((*niter)->name().c_str(), "parameter-%" PRIu32, &param) != 1) {
- error << string_compose (_("%2: badly formatted node name in XML automation state, ignored"), _name) << endmsg;
- continue;
- }*/
-
- if ((*niter)->name() == "AutomationList") {
-
- const XMLProperty* id_prop = (*niter)->property("automation-id");
-
- Parameter param = (id_prop ? Parameter(id_prop->value()) : legacy_param);
-
- boost::shared_ptr<AutomationList> al (new AutomationList(**niter, param));
-
- if (!id_prop) {
- warning << "AutomationList node without automation-id property, "
- << "using default: " << legacy_param.to_string() << endmsg;
- al->set_parameter(legacy_param);
- }
-
- boost::shared_ptr<AutomationControl> existing = control(param);
- if (existing)
- existing->set_list(al);
- else
- add_control(control_factory(al));
-
- } else {
- error << "Expected AutomationList node, got '" << (*niter)->name() << endmsg;
- }
- }
-
- _last_automation_snapshot = 0;
-
- return 0;
-}
-
-XMLNode&
-Automatable::get_automation_state ()
-{
- Glib::Mutex::Lock lm (_automation_lock);
- XMLNode* node = new XMLNode (X_("Automation"));
-
- if (_controls.empty()) {
- return *node;
- }
-
- for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li) {
- node->add_child_nocopy (li->second->list()->get_state ());
- }
-
- return *node;
-}
-
-void
-Automatable::clear_automation ()
-{
- Glib::Mutex::Lock lm (_automation_lock);
-
- for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li)
- li->second->list()->clear();
-}
-
-void
-Automatable::set_parameter_automation_state (Parameter param, AutoState s)
-{
- Glib::Mutex::Lock lm (_automation_lock);
-
- boost::shared_ptr<AutomationControl> c = control (param, true);
-
- if (s != c->list()->automation_state()) {
- c->list()->set_automation_state (s);
- _session.set_dirty ();
- }
-}
-
-AutoState
-Automatable::get_parameter_automation_state (Parameter param, bool lock)
-{
- AutoState result = Off;
-
- if (lock)
- _automation_lock.lock();
-
- boost::shared_ptr<AutomationControl> c = control(param);
-
- if (c)
- result = c->list()->automation_state();
-
- if (lock)
- _automation_lock.unlock();
-
- return result;
-}
-
-void
-Automatable::set_parameter_automation_style (Parameter param, AutoStyle s)
-{
- Glib::Mutex::Lock lm (_automation_lock);
-
- boost::shared_ptr<AutomationControl> c = control(param, true);
-
- if (s != c->list()->automation_style()) {
- c->list()->set_automation_style (s);
- _session.set_dirty ();
- }
-}
-
-AutoStyle
-Automatable::get_parameter_automation_style (Parameter param)
-{
- Glib::Mutex::Lock lm (_automation_lock);
-
- boost::shared_ptr<AutomationControl> c = control(param);
-
- if (c) {
- return c->list()->automation_style();
- } else {
- return Absolute; // whatever
- }
-}
-
-void
-Automatable::protect_automation ()
-{
- set<Parameter> automated_params;
-
- what_has_automation (automated_params);
-
- for (set<Parameter>::iterator i = automated_params.begin(); i != automated_params.end(); ++i) {
-
- boost::shared_ptr<AutomationControl> c = control(*i);
-
- switch (c->list()->automation_state()) {
- case Write:
- c->list()->set_automation_state (Off);
- break;
- case Touch:
- c->list()->set_automation_state (Play);
- break;
- default:
- break;
- }
- }
-}
-
-void
-Automatable::automation_snapshot (nframes_t now, bool force)
-{
- if (force || _last_automation_snapshot > now || (now - _last_automation_snapshot) > _automation_interval) {
-
- for (Controls::iterator i = _controls.begin(); i != _controls.end(); ++i) {
- if (i->second->list()->automation_write()) {
- i->second->list()->rt_add (now, i->second->user_value());
- }
- }
-
- _last_automation_snapshot = now;
- }
-}
-
-void
-Automatable::transport_stopped (nframes_t now)
-{
- for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li) {
-
- boost::shared_ptr<AutomationControl> c = li->second;
-
- c->list()->reposition_for_rt_add (now);
-
- if (c->list()->automation_state() != Off) {
- c->set_value(c->list()->eval(now));
- }
- }
-}
-
-/* FIXME: this probably doesn't belong here */
-boost::shared_ptr<AutomationControl>
-Automatable::control_factory(boost::shared_ptr<AutomationList> list)
-{
- if (
- list->parameter().type() == MidiCCAutomation ||
- list->parameter().type() == MidiPgmChangeAutomation ||
- list->parameter().type() == MidiChannelAftertouchAutomation
- ) {
- // FIXME: this will die horribly if this is not a MidiTrack
- return boost::shared_ptr<AutomationControl>(new MidiTrack::MidiControl((MidiTrack*)this, list));
- } else {
- return boost::shared_ptr<AutomationControl>(new AutomationControl(_session, list));
- }
-}
-
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