2 Copyright (C) 2006 Paul Davis
3 Author: David Robillard
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_midi_playlist_h__
21 #define __ardour_midi_playlist_h__
26 #include "ardour/ardour.h"
27 #include "ardour/playlist.h"
28 #include "evoral/Parameter.hpp"
31 template<typename Time> class EventSink;
40 class MidiStateTracker;
42 template<typename T> class MidiRingBuffer;
44 class LIBARDOUR_API MidiPlaylist : public ARDOUR::Playlist
47 MidiPlaylist (Session&, const XMLNode&, bool hidden = false);
48 MidiPlaylist (Session&, std::string name, bool hidden = false);
49 MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other, std::string name, bool hidden = false);
51 /** This constructor does NOT notify others (session) */
52 MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other,
60 /** Read a range from the playlist into an event sink.
62 * @param buf Destination for events.
63 * @param start First frame of read range.
64 * @param cnt Number of frames in read range.
65 * @param chan_n Must be 0 (this is the audio-style "channel", where each
66 * channel is backed by a separate region, not MIDI channels, which all
67 * exist in the same region and are not handled here).
68 * @return The number of frames read (time, not an event count).
70 framecnt_t read (Evoral::EventSink<framepos_t>& buf,
75 int set_state (const XMLNode&, int version);
77 bool destroy_region (boost::shared_ptr<Region>);
79 void set_note_mode (NoteMode m) { _note_mode = m; }
81 std::set<Evoral::Parameter> contained_automation();
83 /** Clear all note trackers. */
84 void reset_note_trackers ();
86 /** Resolve all pending notes and clear all note trackers.
88 * @param dst Sink to write note offs to.
89 * @param time Time stamp of all written note offs.
91 void resolve_note_trackers (Evoral::EventSink<framepos_t>& dst, framepos_t time);
95 void remove_dependents (boost::shared_ptr<Region> region);
100 bool region_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
104 typedef std::map<Region*,MidiStateTracker*> NoteTrackers;
105 NoteTrackers _note_trackers;
108 } /* namespace ARDOUR */
110 #endif /* __ardour_midi_playlist_h__ */