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basics of following MIDI track selection and rewiring input

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This commit is contained in:
Paul Davis 2016-10-19 15:13:32 -04:00
parent d0b2767856
commit 0a8ab08e5f
4 changed files with 60 additions and 1 deletions
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1
libs/ardour/ardour/rc_configuration_vars.h
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@ -59,6 +59,7 @@ CONFIG_VARIABLE (int32_t, mmc_send_device_id, "mmc-send-device-id", 0)
CONFIG_VARIABLE (int32_t, initial_program_change, "initial-program-change", -1)
CONFIG_VARIABLE (bool, first_midi_bank_is_zero, "display-first-midi-bank-as-zero", false)
CONFIG_VARIABLE (int32_t, inter_scene_gap_frames, "inter-scene-gap-frames", 1)
CONFIG_VARIABLE (bool, midi_input_follows_selection, "midi-input-follows-selection", 1)
/* Timecode and related */

7
libs/ardour/ardour/session.h
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@ -593,7 +593,7 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
}
}
}
private:
private:
Session * _session;
};
@ -1151,6 +1151,7 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
void auto_connect_thread_wakeup ();
protected:
friend class AudioEngine;
void set_block_size (pframes_t nframes);
@ -2033,6 +2034,10 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
boost::shared_ptr<Route> get_midi_nth_route_by_id (PresentationInfo::order_t n) const;
std::string created_with;
void midi_track_presentation_info_changed (PBD::PropertyChange const &, boost::weak_ptr<MidiTrack>);
void rewire_selected_midi (boost::shared_ptr<MidiTrack>);
boost::weak_ptr<MidiTrack> current_midi_target;
};

1
libs/ardour/session.cc
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@ -3474,6 +3474,7 @@ Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool
if (mt) {
mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
mt->presentation_info().PropertyChanged.connect_same_thread (*this, boost::bind (&Session::midi_track_presentation_info_changed, this, _1, boost::weak_ptr<MidiTrack>(mt)));
}
}

52
libs/ardour/session_midi.cc
View File

@ -722,3 +722,55 @@ Session::mtc_input_port () const
{
return _midi_ports->mtc_input_port ();
}
void
Session::midi_track_presentation_info_changed (PropertyChange const& what_changed, boost::weak_ptr<MidiTrack> mt)
{
if (!Config->get_midi_input_follows_selection()) {
return;
}
if (!what_changed.contains (Properties::selected)) {
return;
}
boost::shared_ptr<MidiTrack> new_midi_target (mt.lock ());
if (new_midi_target->presentation_info().selected()) {
rewire_selected_midi (new_midi_target);
}
}
void
Session::rewire_selected_midi (boost::shared_ptr<MidiTrack> new_midi_target)
{
if (!new_midi_target) {
return;
}
boost::shared_ptr<MidiTrack> old_midi_target = current_midi_target.lock ();
if (new_midi_target == old_midi_target) {
return;
}
PortManager::MidiSelectionPorts msp;
AudioEngine::instance()->get_midi_selection_ports (msp);
if (msp.empty()) {
return;
}
if (old_midi_target) {
for (PortManager::MidiSelectionPorts::const_iterator p = msp.begin(); p != msp.end(); ++p) {
old_midi_target->input()->disconnect (old_midi_target->input()->nth (0), (*p), this);
}
}
for (PortManager::MidiSelectionPorts::const_iterator p = msp.begin(); p != msp.end(); ++p) {
new_midi_target->input()->connect (new_midi_target->input()->nth(0), (*p), this);
}
current_midi_target = new_midi_target;
}