#include "translator.icc"
+using std::string;
+
class Control_track_performer : public Performer
{
Audio_staff *control_track_;
- void add_text (Audio_text::Type, string);
+ void add_text (Audio_text::Type, const string&);
TRANSLATOR_DECLARATIONS (Control_track_performer);
protected:
}
void
-Control_track_performer::add_text (Audio_text::Type text_type, string str)
+Control_track_performer::add_text (Audio_text::Type text_type, const string &str)
{
Audio_item *text = new Audio_text (text_type, str);
control_track_->add_audio_item (text);
void
Control_track_performer::initialize ()
{
- control_track_ = new Audio_staff;
+ control_track_ = new Audio_control_track_staff;
announce_element (Audio_element_info (control_track_, 0));
string id_string = String_convert::pad_to (gnu_lilypond_version_string (), 30);
+ // The first audio element in the control track is a placeholder for the
+ // name of the MIDI sequence. The actual name is stored in the element
+ // later before outputting the track (in Performance::output, see
+ // performance.cc).
add_text (Audio_text::TRACK_NAME, "control track");
add_text (Audio_text::TEXT, "creator: ");
add_text (Audio_text::TEXT, id_string);