| -rw-r--r-- | include/midillo/event.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/include/midillo/event.h b/include/midillo/event.h new file mode 100644 index 0000000..85f6175 --- a/dev/null +++ b/include/midillo/event.h @@ -0,0 +1,99 @@ +#ifndef __MIDILLO_EVENT_H +#define __MIDILLO_EVENT_H + +#include <istream> +#include <ostream> +#include <list> +#include <midillo/message.h> + +/** + * @file + * @brief midi event container + */ + +namespace midillo { + using std::istream; + using std::ostream; + using std::list; + + /** + * MIDI event container class + */ + class event_t { + public: + /** + * delta time since the last event + */ + long deltat; + /** + * MIDI message itself + */ + message_t message; + + /** + * Load MIDI event from the stream + * @param rs reference to the running status + * @param s input stream + */ + void load(int& rs,istream& s); + + /** + * Save MIDI event to the stream + * @param rs reference to the running status + * @param s output stream + */ + void save(int& rs,ostream& s) const; + + /** + * Calculate the amount of data that would be written to stream in + * case of save + * @param rs reference to the running status + * @return the number of bytes + */ + unsigned long calculate_save_size(int& rs) const; + + /** + * Dump textual representation of event to stream + * @param s output stream + */ + void dump(ostream& s) const; + }; + + inline ostream& operator<<(ostream& s,const event_t& e) { + e.dump(s); return s; + } + + /** + * MIDI events list container + */ + class events_t : public list<event_t> { + public: + + /** + * Append empty event to the end of the list + * @return iterator, pointing to the appended event + */ + iterator append_event(); + + /** + * Load MIDI events (track data) from the stream + * @param s input stream + */ + void load(istream& s); + /** + * Save MIDI events (track data) to the stream + * @param s output stream + */ + void save(ostream& s) const; + + /** + * Calculate the size of the track data that would be written to + * the stream by save() + * @return the number of bytes + */ + unsigned long calculate_save_size() const; + }; + +} + +#endif /* __MIDILLO_EVENT_H */ |