X-Git-Url: https://main.carlh.net/gitweb/?p=ardour.git;a=blobdiff_plain;f=libs%2Fardour%2Fautomation_control.cc;h=e27da6ab08797f30badbec995de59bb33a57b136;hp=ef54705e03b499757d2ef92931d7c76a2f07ebcb;hb=c8c6bca6587450ff64303dbc994a4cd28d6ce7aa;hpb=e0aaed6d65f160c328cb8b56d7c6552ee15d65e2 diff --git a/libs/ardour/automation_control.cc b/libs/ardour/automation_control.cc index ef54705e03..e27da6ab08 100644 --- a/libs/ardour/automation_control.cc +++ b/libs/ardour/automation_control.cc @@ -1,6 +1,6 @@ /* - Copyright (C) 2007 Paul Davis - Author: Dave Robillard + Copyright (C) 2007 Paul Davis + Author: David Robillard 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 @@ -18,53 +18,288 @@ */ +#include #include -#include "ardour/automatable.h" + +#include "pbd/memento_command.h" +#include "pbd/stacktrace.h" + +#include "ardour/audioengine.h" #include "ardour/automation_control.h" +#include "ardour/automation_watch.h" +#include "ardour/control_group.h" #include "ardour/event_type_map.h" #include "ardour/session.h" +#include "pbd/i18n.h" + +#ifdef COMPILER_MSVC +#include +// C99 'isfinite()' is not available in MSVC. +#define isfinite_local(val) (bool)_finite((double)val) +#else +#define isfinite_local isfinite +#endif + using namespace std; using namespace ARDOUR; using namespace PBD; - -AutomationControl::AutomationControl( - ARDOUR::Session& session, - const Evoral::Parameter& parameter, - boost::shared_ptr list, - const string& name) - : Controllable((name != "") ? name : EventTypeMap::instance().to_symbol(parameter)) - , Evoral::Control(parameter, list) +AutomationControl::AutomationControl(ARDOUR::Session& session, + const Evoral::Parameter& parameter, + const ParameterDescriptor& desc, + boost::shared_ptr list, + const string& name) + : Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name) + , Evoral::Control(parameter, desc, list) , _session(session) + , _desc(desc) +{ + if (_desc.toggled) { + set_flags (Controllable::Toggle); + } +} + +AutomationControl::~AutomationControl () { + DropReferences (); /* EMIT SIGNAL */ } +bool +AutomationControl::writable() const +{ + boost::shared_ptr al = alist(); + if (al) { + return al->automation_state() != Play; + } + return true; +} -float +/** Get the current effective `user' value based on automation state */ +double AutomationControl::get_value() const { - bool from_list = _list && ((AutomationList*)_list.get())->automation_playback(); - return Control::get_float(from_list, _session.transport_frame()); + bool from_list = _list && boost::dynamic_pointer_cast(_list)->automation_playback(); + return Control::get_double (from_list, _session.transport_frame()); +} + +void +AutomationControl::set_value (double val, PBD::Controllable::GroupControlDisposition gcd) +{ + if (!writable()) { + return; + } + + /* enforce strict double/boolean value mapping */ + + if (_desc.toggled) { + if (val != 0.0) { + val = 1.0; + } + } + + if (check_rt (val, gcd)) { + /* change has been queued to take place in an RT context */ + return; + } + + if (_group && _group->use_me (gcd)) { + _group->set_group_value (shared_from_this(), val); + } else { + actually_set_value (val, gcd); + } +} + +/** Set the value and do the right thing based on automation state + * (e.g. record if necessary, etc.) + * @param value `user' value + */ +void +AutomationControl::actually_set_value (double value, PBD::Controllable::GroupControlDisposition gcd) +{ + bool to_list = _list && boost::dynamic_pointer_cast(_list)->automation_write(); + //const double old_value = Control::user_double (); + + Control::set_double (value, _session.transport_frame(), to_list); + + //AutomationType at = (AutomationType) _parameter.type(); + //std::cerr << "++++ Changed (" << enum_2_string (at) << ", " << enum_2_string (gcd) << ") = " << value + //<< " (was " << old_value << ") @ " << this << std::endl; + + Changed (true, gcd); +} + +void +AutomationControl::set_list (boost::shared_ptr list) +{ + Control::set_list (list); + Changed (true, Controllable::NoGroup); +} + +void +AutomationControl::set_automation_state (AutoState as) +{ + if (flags() & NotAutomatable) { + return; + } + if (_list && as != alist()->automation_state()) { + + const double val = get_value (); + + alist()->set_automation_state (as); + if (_desc.toggled) { + return; // No watch for boolean automation + } + + if (as == Write) { + AutomationWatch::instance().add_automation_watch (shared_from_this()); + } else if (as == Touch) { + if (alist()->empty()) { + Control::set_double (val, _session.current_start_frame (), true); + Control::set_double (val, _session.current_end_frame (), true); + Changed (true, Controllable::NoGroup); + } + if (!touching()) { + AutomationWatch::instance().remove_automation_watch (shared_from_this()); + } else { + /* this seems unlikely, but the combination of + * a control surface and the mouse could make + * it possible to put the control into Touch + * mode *while* touching it. + */ + AutomationWatch::instance().add_automation_watch (shared_from_this()); + } + } else { + AutomationWatch::instance().remove_automation_watch (shared_from_this()); + } + } +} + +void +AutomationControl::set_automation_style (AutoStyle as) +{ + if (!_list) return; + alist()->set_automation_style (as); } +void +AutomationControl::start_touch(double when) +{ + if (!_list) { + return; + } + + if (!touching()) { + + if (alist()->automation_state() == Touch) { + /* subtle. aligns the user value with the playback */ + set_value (get_value (), Controllable::NoGroup); + alist()->start_touch (when); + if (!_desc.toggled) { + AutomationWatch::instance().add_automation_watch (shared_from_this()); + } + } + set_touching (true); + } +} + +void +AutomationControl::stop_touch(bool mark, double when) +{ + if (!_list) return; + if (touching()) { + set_touching (false); + + if (alist()->automation_state() == Touch) { + alist()->stop_touch (mark, when); + if (!_desc.toggled) { + AutomationWatch::instance().remove_automation_watch (shared_from_this()); + + } + } + } +} void -AutomationControl::set_value(float value) +AutomationControl::commit_transaction (bool did_write) +{ + if (did_write) { + if (alist ()->before ()) { + _session.begin_reversible_command (string_compose (_("record %1 automation"), name ())); + _session.commit_reversible_command (new MementoCommand (*alist ().get (), alist ()->before (), &alist ()->get_state ())); + } + } else { + alist ()->clear_history (); + } +} + +double +AutomationControl::internal_to_interface (double val) const { - bool to_list = _list && _session.transport_stopped() - && ((AutomationList*)_list.get())->automation_write(); - - Control::set_float(value, to_list, _session.transport_frame()); + if (_desc.integer_step) { + // both upper and lower are inclusive. + val = (val - lower()) / (1 + upper() - lower()); + } else { + val = (val - lower()) / (upper() - lower()); + } - Changed(); /* EMIT SIGNAL */ + if (_desc.logarithmic) { + if (val > 0) { + val = pow (val, 1./2.0); + } else { + val = 0; + } + } + + return val; } +double +AutomationControl::interface_to_internal (double val) const +{ + if (!isfinite_local (val)) { + val = 0; + } + if (_desc.logarithmic) { + if (val <= 0) { + val = 0; + } else { + val = pow (val, 2.0); + } + } + + if (_desc.integer_step) { + val = lower() + val * (1 + upper() - lower()); + } else { + val = lower() + val * (upper() - lower()); + } + + if (val < lower()) val = lower(); + if (val > upper()) val = upper(); + + return val; +} void -AutomationControl::set_list(boost::shared_ptr list) +AutomationControl::set_group (boost::shared_ptr cg) { - Control::set_list(list); - Changed(); /* EMIT SIGNAL */ + /* this method can only be called by a ControlGroup. We do not need + to ensure consistency by calling ControlGroup::remove_control(), + since we are guaranteed that the ControlGroup will take care of that + for us. + */ + + _group = cg; } +bool +AutomationControl::check_rt (double val, Controllable::GroupControlDisposition gcd) +{ + if (!_session.loading() && (flags() & Controllable::RealTime) && !AudioEngine::instance()->in_process_thread()) { + /* queue change in RT context */ + _session.set_control (shared_from_this(), val, gcd); + return true; + } + + return false; +}