int get_channel (const string &instrument);
Audio_staff *get_audio_staff (const string &voice);
Audio_staff *new_audio_staff (const string &voice);
- Audio_span_dynamic *get_dynamic (const string &voice);
class Midi_control_initializer : public Midi_control_change_announcer
{
Audio_text *instrument_name_;
Audio_text *name_;
Audio_tempo *tempo_;
- map<string, deque<Audio_note *> > note_map_;
map<string, Audio_staff *> staff_map_;
map<string, int> channel_map_;
- map<string, Audio_span_dynamic *> dynamic_map_;
// Would prefer to have the following two items be
// members of the containing class Performance,
// so they can be reset for each new midi file output.
return new_audio_staff (voice);
}
-Audio_span_dynamic *
-Staff_performer::get_dynamic (const string &voice)
-{
- map<string, Audio_span_dynamic *>::const_iterator i = dynamic_map_.find (voice);
- if (i != dynamic_map_.end ())
- return i->second;
- return 0;
-}
-
void
Staff_performer::process_music ()
{
tempo_ = 0;
instrument_name_ = 0;
instrument_ = 0;
- // For each voice with a note played in the current translation time step,
- // check if the voice has a dynamic registered: if yes, apply the dynamic
- // to every note played in the voice in the current translation time step.
- for (map<string, deque<Audio_note *> >::iterator vi = note_map_.begin ();
- vi != note_map_.end (); ++vi)
- {
- Audio_span_dynamic *d = get_dynamic (vi->first);
- if (d)
- {
- for (deque<Audio_note *>::iterator ni = vi->second.begin ();
- ni != vi->second.end (); ++ni)
- (*ni)->dynamic_ = d;
- }
- }
- note_map_.clear ();
}
void
if (Audio_item *ai = dynamic_cast<Audio_item *> (inf.elem_))
{
ai->channel_ = channel_;
- if (Audio_note *n = dynamic_cast<Audio_note *> (inf.elem_))
- {
- // Keep track of the notes played in the current voice in this
- // translation time step (for adjusting their dynamics later in
- // stop_translation_timestep).
- note_map_[voice].push_back (n);
- }
audio_staff->add_audio_item (ai);
}
- else if (Audio_span_dynamic *d = dynamic_cast<Audio_span_dynamic *> (inf.elem_))
- {
- dynamic_map_[voice] = d;
- }
}
Staff_performer::Midi_control_initializer::Midi_control_initializer