2 Copyright (C) 2011 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_midi_playlist_source_h__
21 #define __ardour_midi_playlist_source_h__
25 #include <boost/shared_ptr.hpp>
27 #include "ardour/ardour.h"
28 #include "ardour/midi_source.h"
29 #include "ardour/playlist_source.h"
35 class LIBARDOUR_API MidiPlaylistSource : public MidiSource, public PlaylistSource {
37 virtual ~MidiPlaylistSource ();
40 samplecnt_t length (samplepos_t) const;
42 samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const;
43 samplecnt_t write_unlocked (Sample *src, samplecnt_t cnt);
45 XMLNode& get_state ();
46 int set_state (const XMLNode&, int version);
48 void append_event_beats(const Glib::Threads::Mutex::Lock& lock, const Evoral::Event<Temporal::Beats>& ev);
49 void append_event_samples(const Glib::Threads::Mutex::Lock& lock, const Evoral::Event<samplepos_t>& ev, samplepos_t source_start);
50 void load_model(const Glib::Threads::Mutex::Lock& lock, bool force_reload=false);
51 void destroy_model(const Glib::Threads::Mutex::Lock& lock);
54 friend class SourceFactory;
56 MidiPlaylistSource (Session&, const PBD::ID& orig, const std::string& name, boost::shared_ptr<MidiPlaylist>, uint32_t chn,
57 sampleoffset_t begin, samplecnt_t len, Source::Flag flags);
58 MidiPlaylistSource (Session&, const XMLNode&);
61 void flush_midi(const Lock& lock);
63 samplecnt_t read_unlocked (const Lock& lock,
64 Evoral::EventSink<samplepos_t>& dst,
68 Evoral::Range<samplepos_t>* loop_range,
69 MidiStateTracker* tracker,
70 MidiChannelFilter* filter) const;
72 samplecnt_t write_unlocked (const Lock& lock,
73 MidiRingBuffer<samplepos_t>& dst,
78 int set_state (const XMLNode&, int version, bool with_descendants);
84 #endif /* __ardour_midi_playlist_source_h__ */