ardour/gtk2_ardour/note_player.cc

#include <sigc++/bind.h>
#include <glibmm/main.h>

#include "ardour/midi_track.h"
#include "ardour/session.h"

#include "note_player.h"

using namespace ARDOUR;
using namespace std;

NotePlayer::NotePlayer (boost::shared_ptr<MidiTrack> mt)
        : track (mt)
{
}

void
NotePlayer::add (boost::shared_ptr<NoteType> note)
{
        notes.push_back (note);
}

void
NotePlayer::play ()
{
        Evoral::MusicalTime longest_duration_beats = 0;

        /* note: if there is more than 1 note, we will silence them all at the same time
         */

        for (NoteList::iterator n = notes.begin(); n != notes.end(); ++n) {
                track->write_immediate_event ((*n)->on_event().size(), (*n)->on_event().buffer());
                if ((*n)->length() > longest_duration_beats) {
                        longest_duration_beats = (*n)->length();
                }
        }

	uint32_t note_length_ms = 350;
        /* beats_to_frames (longest_duration_beats)
         * (1000 / (double)track->session().nominal_frame_rate()); */

	Glib::signal_timeout().connect(sigc::bind (sigc::ptr_fun (&NotePlayer::_off), this),
                                       note_length_ms, G_PRIORITY_DEFAULT);
}

bool
NotePlayer::_off (NotePlayer* np)
{
        np->off ();
        delete np;
        return false;
}

void
NotePlayer::off ()
{
        for (NoteList::iterator n = notes.begin(); n != notes.end(); ++n) {
                track->write_immediate_event((*n)->off_event().size(), (*n)->off_event().buffer());
        }
}