X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fautomation_control.cc;h=a194e2858af4caf94f5161ae9427f1e8a26b1442;hb=84272b4e27e537bf2c38c9cd25675c61addea40a;hp=2ac6574528b1cbdb34a803aafdc6db539e23d43d;hpb=5531c834963726d5a35db078e17a7508f2b9d72d;p=ardour.git diff --git a/libs/ardour/automation_control.cc b/libs/ardour/automation_control.cc index 2ac6574528..a194e2858a 100644 --- a/libs/ardour/automation_control.cc +++ b/libs/ardour/automation_control.cc @@ -20,15 +20,20 @@ #include #include + +#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 "ardour/selection.h" +#include "ardour/value_as_string.h" -#include "pbd/memento_command.h" -#include "pbd/stacktrace.h" - -#include "i18n.h" +#include "pbd/i18n.h" #ifdef COMPILER_MSVC #include @@ -46,17 +51,38 @@ AutomationControl::AutomationControl(ARDOUR::Session& s const Evoral::Parameter& parameter, const ParameterDescriptor& desc, boost::shared_ptr list, - const string& name) - : Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name) + const string& name, + Controllable::Flag flags) + + : Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name, flags) , Evoral::Control(parameter, desc, list) - , _session(session) + , SessionHandleRef (session) , _desc(desc) + , _no_session(false) { + if (_desc.toggled) { + set_flags (Controllable::Toggle); + } + boost::shared_ptr al = alist(); + if (al) { + al->StateChanged.connect_same_thread (_state_changed_connection, boost::bind (&Session::set_dirty, &_session)); + } } AutomationControl::~AutomationControl () { + if (!_no_session && !_session.deletion_in_progress ()) { + _session.selection().remove_control_by_id (id()); + DropReferences (); /* EMIT SIGNAL */ + } +} + +void +AutomationControl::session_going_away () +{ + SessionHandleRef::session_going_away (); DropReferences (); /* EMIT SIGNAL */ + _no_session = true; } bool @@ -69,42 +95,86 @@ AutomationControl::writable() const return true; } +/** Get the current effective `user' value based on automation state */ double -AutomationControl::get_masters_value_locked () const +AutomationControl::get_value() const { - gain_t v = 1.0; + bool from_list = alist() && alist()->automation_playback(); + return Control::get_double (from_list, _session.transport_sample()); +} - for (Masters::const_iterator mr = _masters.begin(); mr != _masters.end(); ++mr) { - /* get current master value, scale by our current ratio with that master */ - v *= mr->second.master()->get_value () * mr->second.ratio(); - } +double +AutomationControl::get_save_value() const +{ + /* save user-value, not incl masters */ + return Control::get_double (); +} - return min (_desc.upper, v); +void +AutomationControl::pre_realtime_queue_stuff (double val, PBD::Controllable::GroupControlDisposition gcd) +{ + if (_group && _group->use_me (gcd)) { + _group->pre_realtime_queue_stuff (val); + } else { + do_pre_realtime_queue_stuff (val); + } } -double -AutomationControl::get_value_locked() const +void +AutomationControl::set_value (double val, PBD::Controllable::GroupControlDisposition gcd) { - /* read or write masters lock must be held */ + if (!writable()) { + return; + } - if (_masters.empty()) { - return Control::get_double (false, _session.transport_frame()); + /* enforce strict double/boolean value mapping */ + + if (_desc.toggled) { + if (val != 0.0) { + val = 1.0; + } } - return get_masters_value_locked (); + 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 (boost::dynamic_pointer_cast(shared_from_this()), val); + } else { + actually_set_value (val, gcd); + } } -/** Get the current effective `user' value based on automation state */ -double -AutomationControl::get_value() const +ControlList +AutomationControl::grouped_controls () const { - bool from_list = _list && ((AutomationList*)_list.get())->automation_playback(); + if (_group && _group->use_me (PBD::Controllable::UseGroup)) { + return _group->controls (); + } else { + return ControlList (); + } +} + +void +AutomationControl::automation_run (samplepos_t start, pframes_t nframes) +{ + if (!automation_playback ()) { + return; + } - if (!from_list) { - Glib::Threads::RWLock::ReaderLock lm (master_lock); - return get_value_locked (); + assert (_list); + bool valid = false; + double val = _list->rt_safe_eval (start, valid); + if (!valid) { + return; + } + if (toggled ()) { + const double thresh = .5 * (_desc.upper - _desc.lower); + set_value_unchecked (val >= thresh ? _desc.upper : _desc.lower); } else { - return Control::get_double (from_list, _session.transport_frame()); + set_value_unchecked (val); } } @@ -113,15 +183,49 @@ AutomationControl::get_value() const * @param value `user' value */ void -AutomationControl::set_value (double value, PBD::Controllable::GroupControlDisposition gcd) +AutomationControl::actually_set_value (double value, PBD::Controllable::GroupControlDisposition gcd) { - bool to_list = _list && ((AutomationList*)_list.get())->automation_write(); + boost::shared_ptr al = alist (); + const samplepos_t pos = _session.transport_sample(); + bool to_list; + + /* We cannot use ::get_value() here since that is virtual, and intended + to return a scalar value that in some way reflects the state of the + control (with semantics defined by the control itself, since it's + internal state may be more complex than can be fully represented by + a single scalar). + + This method's only job is to set the "user_double()" value of the + underlying Evoral::Control object, and so we should compare the new + value we're being given to the current user_double(). + + Unless ... we're doing automation playback, in which case the + current effective value of the control (used to determine if + anything has changed) is the one derived from the automation event + list. + */ + float old_value = Control::user_double(); + + if (al && al->automation_write ()) { + to_list = true; + } else { + to_list = false; + } - Control::set_double (value, _session.transport_frame(), to_list); + Control::set_double (value, pos, to_list); - cerr << "AC was set to " << value << endl; + if (old_value != (float)value) { +#if 0 + AutomationType at = (AutomationType) _parameter.type(); + std::cerr << "++++ Changed (" << enum_2_string (at) << ", " << enum_2_string (gcd) << ") = " << value + << " (was " << old_value << ") @ " << this << std::endl; +#endif - Changed (true, gcd); + Changed (true, gcd); + if (!al || !al->automation_playback ()) { + _session.set_dirty (); + } + } } void @@ -134,73 +238,84 @@ AutomationControl::set_list (boost::shared_ptr list) void AutomationControl::set_automation_state (AutoState as) { - if (_list && as != alist()->automation_state()) { + if (flags() & NotAutomatable) { + return; + } + if (alist() && as != alist()->automation_state()) { + + const double val = get_value (); alist()->set_automation_state (as); if (_desc.toggled) { + Changed (false, Controllable::NoGroup); // notify slaves, update boolean masters return; // No watch for boolean automation } if (as == Write) { - AutomationWatch::instance().add_automation_watch (shared_from_this()); - } else if (as == Touch) { + AutomationWatch::instance().add_automation_watch (boost::dynamic_pointer_cast(shared_from_this())); + } else if (as & (Touch | Latch)) { + if (alist()->empty()) { + Control::set_double (val, _session.current_start_sample (), true); + Control::set_double (val, _session.current_end_sample (), true); + Changed (true, Controllable::NoGroup); + } if (!touching()) { - AutomationWatch::instance().remove_automation_watch (shared_from_this()); + AutomationWatch::instance().remove_automation_watch (boost::dynamic_pointer_cast(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()); + AutomationWatch::instance().add_automation_watch (boost::dynamic_pointer_cast(shared_from_this())); } } else { - AutomationWatch::instance().remove_automation_watch (shared_from_this()); + AutomationWatch::instance().remove_automation_watch (boost::dynamic_pointer_cast(shared_from_this())); + Changed (false, Controllable::NoGroup); } } } void -AutomationControl::set_automation_style (AutoStyle as) -{ - if (!_list) return; - alist()->set_automation_style (as); -} - -void -AutomationControl::start_touch(double when) +AutomationControl::start_touch (double when) { - if (!_list) { + if (!_list || touching ()) { 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()); - } + if (alist()->automation_state() & (Touch | Latch)) { + /* subtle. aligns the user value with the playback and + * use take actual value (incl masters). + * + * Touch + hold writes inverse curve of master-automation + * using AutomationWatch::timer () + */ + AutomationControl::actually_set_value (get_value (), Controllable::NoGroup); + alist()->start_touch (when); + if (!_desc.toggled) { + AutomationWatch::instance().add_automation_watch (boost::dynamic_pointer_cast(shared_from_this())); } set_touching (true); } } void -AutomationControl::stop_touch(bool mark, double when) +AutomationControl::stop_touch (double when) { - if (!_list) return; - if (touching()) { - set_touching (false); + if (!_list || !touching ()) { + return; + } - if (alist()->automation_state() == Touch) { - alist()->stop_touch (mark, when); - if (!_desc.toggled) { - AutomationWatch::instance().remove_automation_watch (shared_from_this()); + if (alist()->automation_state() == Latch && _session.transport_rolling ()) { + return; + } - } + set_touching (false); + + if (alist()->automation_state() & (Touch | Latch)) { + alist()->stop_touch (when); + if (!_desc.toggled) { + AutomationWatch::instance().remove_automation_watch (boost::dynamic_pointer_cast(shared_from_this())); } } } @@ -209,187 +324,63 @@ void AutomationControl::commit_transaction (bool did_write) { if (did_write) { - if (alist ()->before ()) { + XMLNode* before = alist ()->before (); + if (before) { _session.begin_reversible_command (string_compose (_("record %1 automation"), name ())); - _session.commit_reversible_command (new MementoCommand (*alist ().get (), alist ()->before (), &alist ()->get_state ())); + _session.commit_reversible_command (alist ()->memento_command (before, &alist ()->get_state ())); } } else { alist ()->clear_history (); } } +/* take control-value and return UI range [0..1] */ double AutomationControl::internal_to_interface (double val) const { - if (_desc.integer_step) { - // both upper and lower are inclusive. - val = (val - lower()) / (1 + upper() - lower()); - } else { - val = (val - lower()) / (upper() - lower()); - } - - if (_desc.logarithmic) { - if (val > 0) { - val = pow (val, 1./2.0); - } else { - val = 0; - } - } - - return val; + // XXX maybe optimize. _desc.from_interface() has + // a switch-statement depending on AutomationType. + return _desc.to_interface (val); } +/* map GUI range [0..1] to control-value */ double AutomationControl::interface_to_internal (double val) const { if (!isfinite_local (val)) { + assert (0); 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; + // XXX maybe optimize. see above. + return _desc.from_interface (val); } - -void -AutomationControl::add_master (boost::shared_ptr m) +std::string +AutomationControl::get_user_string () const { - double current_value; - double new_value; - std::pair res; - - { - Glib::Threads::RWLock::WriterLock lm (master_lock); - current_value = get_value_locked (); - - /* ratio will be recomputed below */ - - res = _masters.insert (make_pair (m->id(), MasterRecord (m, 1.0))); - - if (res.second) { - - recompute_masters_ratios (current_value); - - /* note that we bind @param m as a weak_ptr, thus - avoiding holding a reference to the control in the binding - itself. - */ - - m->DropReferences.connect_same_thread (masters_connections, boost::bind (&AutomationControl::master_going_away, this, m)); - - /* Store the connection inside the MasterRecord, so that when we destroy it, the connection is destroyed - and we no longer hear about changes to the AutomationControl. - - Note that we fix the "from_self" argument that will - be given to our own Changed signal to "false", - because the change came from the master. - */ - - - m->Changed.connect_same_thread (res.first->second.connection, boost::bind (&PBD::Signal2::operator(), &Changed, false, _2)); - } - - new_value = get_value_locked (); - } - - if (res.second) { - MasterStatusChange (); /* EMIT SIGNAL */ - } - - if (new_value != current_value) { - /* effective value changed by master */ - Changed (false, Controllable::NoGroup); - } - + return ARDOUR::value_as_string (_desc, get_value()); } void -AutomationControl::master_going_away (boost::weak_ptr wm) +AutomationControl::set_group (boost::shared_ptr cg) { - boost::shared_ptr m = wm.lock(); - if (m) { - remove_master (m); - } -} - -void -AutomationControl::remove_master (boost::shared_ptr m) -{ - double current_value; - double new_value; - Masters::size_type erased = 0; - - { - Glib::Threads::RWLock::WriterLock lm (master_lock); - current_value = get_value_locked (); - erased = _masters.erase (m->id()); - if (erased) { - recompute_masters_ratios (current_value); - } - new_value = get_value_locked (); - } - - if (erased) { - MasterStatusChange (); /* EMIT SIGNAL */ - } - - if (new_value != current_value) { - Changed (false, Controllable::NoGroup); - } -} - -void -AutomationControl::clear_masters () -{ - double current_value; - double new_value; - bool had_masters = false; - - { - Glib::Threads::RWLock::WriterLock lm (master_lock); - current_value = get_value_locked (); - if (!_masters.empty()) { - had_masters = true; - } - _masters.clear (); - new_value = get_value_locked (); - } - - if (had_masters) { - MasterStatusChange (); /* EMIT SIGNAL */ - } - - if (new_value != current_value) { - Changed (false, Controllable::NoGroup); - } + /* 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::slaved_to (boost::shared_ptr m) const +AutomationControl::check_rt (double val, Controllable::GroupControlDisposition gcd) { - Glib::Threads::RWLock::ReaderLock lm (master_lock); - return _masters.find (m->id()) != _masters.end(); -} + if (!_session.loading() && (flags() & Controllable::RealTime) && !AudioEngine::instance()->in_process_thread()) { + /* queue change in RT context */ + _session.set_control (boost::dynamic_pointer_cast(shared_from_this()), val, gcd); + return true; + } -bool -AutomationControl::slaved () const -{ - Glib::Threads::RWLock::ReaderLock lm (master_lock); - return !_masters.empty(); + return false; }