#ifndef __ardour_midi_model_h__
#define __ardour_midi_model_h__
+#include <queue>
+#include <deque>
+#include <utility>
#include <boost/utility.hpp>
+#include <glibmm/thread.h>
+#include <pbd/command.h>
#include <ardour/types.h>
#include <ardour/midi_buffer.h>
+#include <ardour/midi_ring_buffer.h>
+#include <ardour/automatable_sequence.h>
+#include <ardour/types.h>
+#include <evoral/Note.hpp>
+#include <evoral/Sequence.hpp>
namespace ARDOUR {
-/** This is a slightly higher level (than MidiBuffer) model of MIDI note data.
- * Currently it only represents note data, which is represented as complete
- * note events (ie with a start time and a duration) rather than separate
- * note on and off events (controller data is not here since it's represented
- * as an AutomationList)
+class Session;
+class MidiSource;
+
+/** This is a higher level (than MidiBuffer) model of MIDI data, with separate
+ * representations for notes (instead of just unassociated note on/off events)
+ * and controller data. Controller data is represented as part of the
+ * Automatable base (i.e. in a map of AutomationList, keyed by Parameter).
+ * Because of this MIDI controllers and automatable controllers/widgets/etc
+ * are easily interchangeable.
*/
-class MidiModel : public boost::noncopyable {
+class MidiModel : public AutomatableSequence<double> {
public:
- struct Note {
- Note(double s=0, double d=0, uint8_t n=0, uint8_t v=0)
- : start(s), duration(d), note(n), velocity(v) {}
-
- double start;
- double duration;
- uint8_t note;
- uint8_t velocity;
- };
+ typedef double TimeType;
- MidiModel(size_t size=0);
+ MidiModel(MidiSource* s, size_t size=0);
+
+ NoteMode note_mode() const { return (percussive() ? Percussive : Sustained); }
+ void set_note_mode(NoteMode mode) { set_percussive(mode == Percussive); };
+
+ /** Add/Remove notes.
+ * Technically all note operations can be implemented as one of these, but
+ * a custom command can be more efficient.
+ */
+ class DeltaCommand : public Command {
+ public:
+ DeltaCommand (boost::shared_ptr<MidiModel> m, const std::string& name);
+ DeltaCommand (boost::shared_ptr<MidiModel> m, const XMLNode& node);
+
+ const std::string& name() const { return _name; }
+
+ void operator()();
+ void undo();
+
+ int set_state (const XMLNode&);
+ XMLNode& get_state ();
+
+ void add(const boost::shared_ptr< Evoral::Note<TimeType> > note);
+ void remove(const boost::shared_ptr< Evoral::Note<TimeType> > note);
+
+ private:
+ XMLNode &marshal_note(const boost::shared_ptr< Evoral::Note<TimeType> > note);
+ boost::shared_ptr< Evoral::Note<TimeType> > unmarshal_note(XMLNode *xml_note);
+
+ boost::shared_ptr<MidiModel> _model;
+ const std::string _name;
+
+ typedef std::list< boost::shared_ptr< Evoral::Note<TimeType> > > NoteList;
+
+ NoteList _added_notes;
+ NoteList _removed_notes;
+ };
- void clear() { _notes.clear(); }
+ MidiModel::DeltaCommand* new_delta_command(const std::string name="midi edit");
+ void apply_command(Session& session, Command* cmd);
- void start_write();
- void end_write(bool delete_stuck=false);
+ bool write_to(boost::shared_ptr<MidiSource> source);
+
+ // MidiModel doesn't use the normal AutomationList serialisation code
+ // since controller data is stored in the .mid
+ XMLNode& get_state();
+ int set_state(const XMLNode&) { return 0; }
- /** Resizes vector if necessary (NOT realtime safe) */
- void append(const MidiBuffer& data);
-
- /** Resizes vector if necessary (NOT realtime safe) */
- void append(double time, size_t size, Byte* in_buffer);
+ sigc::signal<void> ContentsChanged;
- inline const Note& note_at(unsigned i) const { return _notes[i]; }
-
- inline size_t n_notes() const { return _notes.size(); }
-
- typedef std::vector<Note> Notes;
+ const MidiSource* midi_source() const { return _midi_source; }
+ void set_midi_source(MidiSource* source) { _midi_source = source; }
- struct NoteTimeComparator {
- inline bool operator() (const Note& a, const Note& b) const {
- return a.start < b.start;
- }
- };
-
- inline Notes& notes() { return _notes; }
- inline const Notes& notes() const { return _notes; }
-
private:
-
- void append_note_on(double time, uint8_t note, uint8_t velocity);
- void append_note_off(double time, uint8_t note);
-
- Notes _notes;
- Notes _write_notes;
+ friend class DeltaCommand;
+
+ // We cannot use a boost::shared_ptr here to avoid a retain cycle
+ MidiSource* _midi_source;
};
} /* namespace ARDOUR */
projects / ardour.git / blobdiff