X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fautomation_control.cc;h=ffff120a239a7e9602833993c05ff211107374fe;hb=1ef690da1939a0cb643f33ddd6a329547a106e39;hp=355b0176ced0fe09ad8f6933dad613c4901a8a94;hpb=57077093b706c5938f9fd70f70d031cae2c59217;p=ardour.git diff --git a/libs/ardour/automation_control.cc b/libs/ardour/automation_control.cc index 355b0176ce..ffff120a23 100644 --- a/libs/ardour/automation_control.cc +++ b/libs/ardour/automation_control.cc @@ -18,80 +18,205 @@ */ +#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 "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.empty() ? EventTypeMap::instance().to_symbol(parameter) : name) - , Evoral::Control(parameter, list) +AutomationControl::AutomationControl(ARDOUR::Session& session, + const Evoral::Parameter& parameter, + const ParameterDescriptor& desc, + boost::shared_ptr list, + const string& name, + Controllable::Flag flags) + + : Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name, flags) + , Evoral::Control(parameter, desc, list) , _session(session) + , _desc(desc) { + 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 () { + _session.selection().remove_control_by_id (id()); + DropReferences (); /* EMIT SIGNAL */ +} + +bool +AutomationControl::writable() const +{ + boost::shared_ptr al = alist(); + if (al) { + return al->automation_state() != Play; + } + return true; } /** Get the current effective `user' value based on automation state */ double AutomationControl::get_value() const { - bool from_list = _list && ((AutomationList*)_list.get())->automation_playback(); + bool from_list = _list && boost::dynamic_pointer_cast(_list)->automation_playback(); return Control::get_double (from_list, _session.transport_frame()); } +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); + } +} + +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::set_value (double value) +AutomationControl::actually_set_value (double value, PBD::Controllable::GroupControlDisposition gcd) { - bool to_list = _list && ((AutomationList*)_list.get())->automation_write(); + boost::shared_ptr al = boost::dynamic_pointer_cast (_list); + const framepos_t pos = _session.transport_frame(); + bool to_list; + double old_value; - if (to_list && parameter().toggled()) { + /* 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). - // store the previous value just before this so any - // interpolation works right + 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. + */ + + if (!al) { + to_list = false; + old_value = Control::user_double(); + } else { + if (al->automation_write ()) { + to_list = true; + old_value = Control::user_double (); + } else if (al->automation_playback()) { + to_list = false; + old_value = al->eval (pos); + } else { + to_list = false; + old_value = Control::user_double (); + } + } + Control::set_double (value, pos, to_list); - _list->add (get_double(), _session.transport_frame()-1); - } + if (old_value != value) { + //AutomationType at = (AutomationType) _parameter.type(); + //std::cerr << "++++ Changed (" << enum_2_string (at) << ", " << enum_2_string (gcd) << ") = " << value + //<< " (was " << old_value << ") @ " << this << std::endl; - Control::set_double (value, _session.transport_frame(), to_list); + Changed (true, gcd); + if (!al || !al->automation_playback ()) { + _session.set_dirty (); + } + } - Changed(); /* EMIT SIGNAL */ } void AutomationControl::set_list (boost::shared_ptr list) { Control::set_list (list); - Changed(); /* EMIT SIGNAL */ + Changed (true, Controllable::NoGroup); } void AutomationControl::set_automation_state (AutoState as) { - if (as != alist()->automation_state()) { + 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 { @@ -111,16 +236,26 @@ AutomationControl::set_automation_state (AutoState as) 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); - AutomationWatch::instance().add_automation_watch (shared_from_this()); + if (!_desc.toggled) { + AutomationWatch::instance().add_automation_watch (shared_from_this()); + } } set_touching (true); } @@ -129,11 +264,100 @@ AutomationControl::start_touch(double when) 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); - AutomationWatch::instance().remove_automation_watch (shared_from_this()); + if (!_desc.toggled) { + AutomationWatch::instance().remove_automation_watch (shared_from_this()); + + } + } + } +} + +void +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 +{ + 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; +} + +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_group (boost::shared_ptr cg) +{ + /* 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; }