#include "audio-item.hh"
#include "international.hh"
-#include "stream-event.hh"
-
-#include "translator.icc"
+#include "music.hh"
/*
TODO: fold this into 1 engraver: \< and \> should also stop when
TRANSLATOR_DECLARATIONS (Span_dynamic_performer);
protected:
+ virtual bool try_music (Music *);
virtual void acknowledge_audio_element (Audio_element_info);
void process_music ();
void stop_translation_timestep ();
- DECLARE_TRANSLATOR_LISTENER (decrescendo);
- DECLARE_TRANSLATOR_LISTENER (crescendo);
private:
Audio_dynamic *audio_;
Real last_volume_;
- Stream_event *span_start_event_;
- Drul_array<Stream_event *> span_events_;
+ Music *span_start_event_;
+ Drul_array<Music *> span_events_;
vector<Audio_dynamic_tuple> dynamic_tuples_;
vector<Audio_dynamic_tuple> finished_dynamic_tuples_;
Direction dir_;
if (span_events_[START])
{
- dir_ = (span_events_[START]->in_event_class ("crescendo-event"))
+ dir_ = (span_events_[START]->is_mus_type ("crescendo-event"))
? RIGHT : LEFT;
span_start_event_ = span_events_[START];
if (audio_)
{
+ play_element (audio_);
audio_ = 0;
}
span_events_[START] = 0;
}
-IMPLEMENT_TRANSLATOR_LISTENER (Span_dynamic_performer, decrescendo);
-void
-Span_dynamic_performer::listen_decrescendo (Stream_event *r)
-{
- Direction d = to_dir (r->get_property ("span-direction"));
- span_events_[d] = r;
-}
-
-IMPLEMENT_TRANSLATOR_LISTENER (Span_dynamic_performer, crescendo);
-void
-Span_dynamic_performer::listen_crescendo (Stream_event *r)
+bool
+Span_dynamic_performer::try_music (Music *r)
{
- Direction d = to_dir (r->get_property ("span-direction"));
- span_events_[d] = r;
+ if (r->is_mus_type ("crescendo-event")
+ || r->is_mus_type ("decrescendo-event"))
+ {
+ Direction d = to_dir (r->get_property ("span-direction"));
+ span_events_[d] = r;
+ return true;
+ }
+ return false;
}
+#include "translator.icc"
ADD_TRANSLATOR (Span_dynamic_performer,
"", "",