61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
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#include <sigc++/bind.h>
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#include <glibmm/main.h>
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#include "ardour/midi_track.h"
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#include "ardour/session.h"
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#include "note_player.h"
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using namespace ARDOUR;
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using namespace std;
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NotePlayer::NotePlayer (boost::shared_ptr<MidiTrack> mt)
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: track (mt)
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{
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}
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void
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NotePlayer::add (boost::shared_ptr<NoteType> note)
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{
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notes.push_back (note);
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}
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void
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NotePlayer::play ()
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{
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Evoral::MusicalTime longest_duration_beats = 0;
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/* note: if there is more than 1 note, we will silence them all at the same time
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*/
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for (NoteList::iterator n = notes.begin(); n != notes.end(); ++n) {
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track->write_immediate_event ((*n)->on_event().size(), (*n)->on_event().buffer());
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if ((*n)->length() > longest_duration_beats) {
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longest_duration_beats = (*n)->length();
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}
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}
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uint32_t note_length_ms = 350;
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/* beats_to_frames (longest_duration_beats)
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* (1000 / (double)track->session().nominal_frame_rate()); */
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Glib::signal_timeout().connect(sigc::bind (sigc::ptr_fun (&NotePlayer::_off), this),
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note_length_ms, G_PRIORITY_DEFAULT);
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}
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bool
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NotePlayer::_off (NotePlayer* np)
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{
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np->off ();
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delete np;
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return false;
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}
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void
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NotePlayer::off ()
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{
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for (NoteList::iterator n = notes.begin(); n != notes.end(); ++n) {
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track->write_immediate_event((*n)->off_event().size(), (*n)->off_event().buffer());
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}
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}
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