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_track_h__
21 #define __ardour_midi_track_h__
23 #include "ardour/interthread_info.h"
24 #include "ardour/track.h"
25 #include "ardour/midi_ring_buffer.h"
26 #include "ardour/midi_state_tracker.h"
37 class MidiTrack : public Track
40 MidiTrack (Session&, string name, Route::Flag f = Route::Flag (0), TrackMode m = Normal);
45 int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler);
47 void realtime_handle_transport_stopped ();
48 void realtime_locate ();
50 boost::shared_ptr<Diskstream> create_diskstream ();
51 void set_diskstream (boost::shared_ptr<Diskstream>);
52 void set_record_enabled (bool yn, void *src);
54 DataType data_type () const {
55 return DataType::MIDI;
58 void freeze_me (InterThreadInfo&);
61 bool bounceable (boost::shared_ptr<Processor>, bool) const { return false; }
62 boost::shared_ptr<Region> bounce (InterThreadInfo&);
63 boost::shared_ptr<Region> bounce_range (framepos_t start,
66 boost::shared_ptr<Processor> endpoint,
67 bool include_endpoint);
69 int export_stuff (BufferSet& bufs,
70 framepos_t start_frame,
72 boost::shared_ptr<Processor> endpoint,
73 bool include_endpoint,
76 int set_state (const XMLNode&, int version);
78 void midi_panic(void);
79 bool write_immediate_event(size_t size, const uint8_t* buf);
81 /** A control that will send "immediate" events to a MIDI track when twiddled */
82 struct MidiControl : public AutomationControl {
83 MidiControl(MidiTrack* route, const Evoral::Parameter& param,
84 boost::shared_ptr<AutomationList> al = boost::shared_ptr<AutomationList>())
85 : AutomationControl (route->session(), param, al)
89 void set_value (double val);
94 NoteMode note_mode() const { return _note_mode; }
95 void set_note_mode (NoteMode m);
97 std::string describe_parameter (Evoral::Parameter param);
99 bool step_editing() const { return _step_editing; }
100 void set_step_editing (bool yn);
101 MidiRingBuffer<framepos_t>& step_edit_ring_buffer() { return _step_edit_ring_buffer; }
103 PBD::Signal1<void,bool> StepEditStatusChange;
105 boost::shared_ptr<SMFSource> write_source (uint32_t n = 0);
106 void set_channel_mode (ChannelMode, uint16_t);
107 ChannelMode get_channel_mode ();
108 uint16_t get_channel_mask ();
109 boost::shared_ptr<MidiPlaylist> midi_playlist ();
111 PBD::Signal1<void, boost::weak_ptr<MidiSource> > DataRecorded;
112 boost::shared_ptr<MidiBuffer> get_gui_feed_buffer () const;
114 void set_monitoring (MonitorChoice);
115 MonitorState monitoring_state () const;
117 void set_input_active (bool);
118 bool input_active () const;
119 PBD::Signal0<void> InputActiveChanged;
122 XMLNode& state (bool full);
128 virtual boost::shared_ptr<Diskstream> diskstream_factory (XMLNode const &);
130 boost::shared_ptr<MidiDiskstream> midi_diskstream () const;
132 void write_out_of_band_data (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, framecnt_t nframes);
134 void set_state_part_two ();
135 void set_state_part_three ();
137 MidiRingBuffer<framepos_t> _immediate_events;
138 MidiRingBuffer<framepos_t> _step_edit_ring_buffer;
143 int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool state_changing);
144 void push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes);
146 void diskstream_data_recorded (boost::weak_ptr<MidiSource>);
147 PBD::ScopedConnection _diskstream_data_recorded_connection;
149 void track_input_active (IOChange, void*);
150 void map_input_active (bool);
153 } /* namespace ARDOUR*/
155 #endif /* __ardour_midi_track_h__ */