#include "audio-item.hh"
#include "international.hh"
-#include "music.hh"
+#include "stream-event.hh"
+
+#include "translator.icc"
/*
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_;
- Music *span_start_event_;
- Drul_array<Music *> span_events_;
+ Stream_event *span_start_event_;
+ Drul_array<Stream_event *> span_events_;
vector<Audio_dynamic_tuple> dynamic_tuples_;
vector<Audio_dynamic_tuple> finished_dynamic_tuples_;
Direction dir_;
{
if (!span_start_event_)
{
- span_events_[STOP]->origin ()->warning (_ ("can't find start of (de)crescendo"));
+ span_events_[STOP]->origin ()->warning (_ ("cannot find start of (de)crescendo"));
span_events_[STOP] = 0;
}
else
if (span_events_[START])
{
- dir_ = (span_events_[START]->is_mus_type ("crescendo-event"))
+ dir_ = (span_events_[START]->in_event_class ("crescendo-event"))
? RIGHT : LEFT;
span_start_event_ = span_events_[START];
if (audio_)
{
- play_element (audio_);
audio_ = 0;
}
span_events_[START] = 0;
}
-bool
-Span_dynamic_performer::try_music (Music *r)
+IMPLEMENT_TRANSLATOR_LISTENER (Span_dynamic_performer, decrescendo);
+void
+Span_dynamic_performer::listen_decrescendo (Stream_event *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;
+ 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)
+{
+ Direction d = to_dir (r->get_property ("span-direction"));
+ span_events_[d] = r;
}
-#include "translator.icc"
ADD_TRANSLATOR (Span_dynamic_performer,
"", "",
- "crescendo-event decrescendo-event",
"", "");