ardour/livetrax
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Add pick-up mode and use it for knobs and faders

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The pick up mode ignores new controller values until they match with the current setting of the stripable's ac
This commit is contained in:
Térence Clastres 2018-08-10 18:44:10 +02:00 committed by Paul Davis
parent a0e75893e0
commit dab2513d9f
2 changed files with 11 additions and 2 deletions
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11
libs/surfaces/launch_control_xl/launch_control_xl.cc
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@ -444,6 +444,13 @@ LaunchControlXL::handle_button_message(Button* button, MIDI::EventTwoBytes* ev)
}
}
bool
LaunchControlXL::check_pick_up(Controller* controller, boost::shared_ptr<AutomationControl> ac)
{
/* returns false until the controller value matches with the current setting of the stripable's ac */
return ( abs( controller->value() / 127.0 - ac->internal_to_interface(ac->get_value()) ) < 0.007875 );
}
void
LaunchControlXL::handle_knob_message (Knob* knob)
{
@ -462,7 +469,7 @@ LaunchControlXL::handle_knob_message (Knob* knob)
ac = stripable[chan]->pan_azimuth_control();
}
if (ac) {
if (ac && check_pick_up(knob, ac)) {
ac->set_value ( ac->interface_to_internal( knob->value() / 127.0), PBD::Controllable::UseGroup );
}
}
@ -476,7 +483,7 @@ LaunchControlXL::handle_fader_message (Fader* fader)
}
boost::shared_ptr<AutomationControl> ac = stripable[fader->id()]->gain_control();
if (ac) {
if (ac && check_pick_up(fader, ac)) {
ac->set_value ( ac->interface_to_internal( fader->value() / 127.0), PBD::Controllable::UseGroup );
}
}

2
libs/surfaces/launch_control_xl/launch_control_xl.h
View File

@ -429,6 +429,8 @@ private:
void handle_fader_message(Fader* fader);
void handle_knob_message(Knob* knob);
bool check_pick_up(Controller* controller, boost::shared_ptr<ARDOUR::AutomationControl> ac);
void handle_midi_controller_message(MIDI::Parser &, MIDI::EventTwoBytes *, MIDI::channel_t chan);
void handle_midi_note_on_message(MIDI::Parser &, MIDI::EventTwoBytes *, MIDI::channel_t chan);
void handle_midi_note_off_message(MIDI::Parser &, MIDI::EventTwoBytes *, MIDI::channel_t chan);