2 Copyright (C) 2006 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.
19 #ifndef __ardour_track_h__
20 #define __ardour_track_h__
22 #include <boost/shared_ptr.hpp>
24 #include "ardour/route.h"
25 #include "ardour/public_diskstream.h"
36 class Track : public Route, public PublicDiskstream
39 Track (Session&, std::string name, Route::Flag f = Route::Flag (0), TrackMode m = Normal, DataType default_type = DataType::AUDIO);
44 bool set_name (const std::string& str);
46 TrackMode mode () const { return _mode; }
47 virtual int set_mode (TrackMode /*m*/) { return false; }
48 virtual bool can_use_mode (TrackMode /*m*/, bool& /*bounce_required*/) { return false; }
49 PBD::Signal0<void> TrackModeChanged;
51 virtual void set_monitoring (MonitorChoice);
52 MonitorChoice monitoring_choice() const { return _monitoring; }
53 MonitorState monitoring_state () const;
54 PBD::Signal0<void> MonitoringChanged;
56 MeterState metering_state () const;
58 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
61 int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
64 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
65 int declick, bool& need_butler) = 0;
67 bool needs_butler() const { return _needs_butler; }
69 virtual DataType data_type () const = 0;
73 void use_new_diskstream ();
74 virtual boost::shared_ptr<Diskstream> create_diskstream() = 0;
75 virtual void set_diskstream (boost::shared_ptr<Diskstream>);
77 void set_latency_compensation (framecnt_t);
85 FreezeState freeze_state() const;
87 virtual void freeze_me (InterThreadInfo&) = 0;
88 virtual void unfreeze () = 0;
90 virtual boost::shared_ptr<Region> bounce (InterThreadInfo&) = 0;
91 virtual boost::shared_ptr<Region> bounce_range (framepos_t start, framepos_t end, InterThreadInfo&, bool enable_processing = true) = 0;
94 XMLNode& get_template();
95 virtual int set_state (const XMLNode&, int version);
96 static void zero_diskstream_id_in_xml (XMLNode&);
98 boost::shared_ptr<PBD::Controllable> rec_enable_control() { return _rec_enable_control; }
100 bool record_enabled() const;
101 void set_record_enabled (bool yn, void *src);
103 bool using_diskstream_id (PBD::ID) const;
105 void set_block_size (pframes_t);
107 /** @return true if the track can be bounced, or false if it cannot because
108 * it has more outputs than diskstream channels.
110 virtual bool bounceable () const = 0;
112 /* PublicDiskstream interface */
113 boost::shared_ptr<Playlist> playlist ();
114 void request_jack_monitors_input (bool);
115 void ensure_jack_monitors_input (bool);
116 bool destructive () const;
117 std::list<boost::shared_ptr<Source> > & last_capture_sources ();
118 void set_capture_offset ();
119 std::list<boost::shared_ptr<Source> > steal_write_sources();
120 void reset_write_sources (bool, bool force = false);
121 float playback_buffer_load () const;
122 float capture_buffer_load () const;
124 int do_flush (RunContext, bool force = false);
125 void set_pending_overwrite (bool);
126 int seek (framepos_t, bool complete_refill = false);
127 bool hidden () const;
128 int can_internal_playback_seek (framepos_t);
129 int internal_playback_seek (framepos_t);
130 void non_realtime_input_change ();
131 void non_realtime_locate (framepos_t);
132 void non_realtime_set_speed ();
133 int overwrite_existing_buffers ();
134 framecnt_t get_captured_frames (uint32_t n = 0) const;
135 int set_loop (Location *);
136 void transport_looped (framepos_t);
137 bool realtime_set_speed (double, bool);
138 void transport_stopped_wallclock (struct tm &, time_t, bool);
139 bool pending_overwrite () const;
140 double speed () const;
141 void prepare_to_stop (framepos_t);
142 void set_slaved (bool);
143 ChanCount n_channels ();
144 framepos_t get_capture_start_frame (uint32_t n = 0) const;
145 AlignStyle alignment_style () const;
146 AlignChoice alignment_choice () const;
147 framepos_t current_capture_start () const;
148 framepos_t current_capture_end () const;
149 void playlist_modified ();
150 int use_playlist (boost::shared_ptr<Playlist>);
151 void set_align_style (AlignStyle, bool force=false);
152 void set_align_choice (AlignChoice, bool force=false);
153 int use_copy_playlist ();
154 int use_new_playlist ();
155 void adjust_playback_buffering ();
156 void adjust_capture_buffering ();
158 PBD::Signal0<void> DiskstreamChanged;
159 PBD::Signal0<void> FreezeChange;
160 PBD::Signal0<void> PlaylistChanged;
161 PBD::Signal0<void> RecordEnableChanged;
162 PBD::Signal0<void> SpeedChanged;
163 PBD::Signal0<void> AlignmentStyleChanged;
166 XMLNode& state (bool full);
168 boost::shared_ptr<Diskstream> _diskstream;
169 MeterPoint _saved_meter_point;
170 /** used to keep track of processors that we are deactivating during record,
171 if `do-not-record-plugins' is enabled.
173 std::list<boost::weak_ptr<Processor> > _deactivated_processors;
176 MonitorChoice _monitoring;
179 struct FreezeRecordProcessorInfo {
180 FreezeRecordProcessorInfo(XMLNode& st, boost::shared_ptr<Processor> proc)
181 : state (st), processor (proc) {}
184 boost::shared_ptr<Processor> processor;
188 struct FreezeRecord {
190 : have_mementos(false)
195 boost::shared_ptr<Playlist> playlist;
196 std::vector<FreezeRecordProcessorInfo*> processor_info;
201 struct RecEnableControllable : public PBD::Controllable {
202 RecEnableControllable (Track&);
204 void set_value (double);
205 double get_value (void) const;
210 virtual void set_state_part_two () = 0;
212 FreezeRecord _freeze_record;
213 XMLNode* pending_state;
216 void maybe_declick (BufferSet&, framecnt_t, int);
218 boost::shared_ptr<RecEnableControllable> _rec_enable_control;
220 framecnt_t check_initial_delay (framecnt_t nframes, framecnt_t&);
224 virtual boost::shared_ptr<Diskstream> diskstream_factory (XMLNode const &) = 0;
226 void diskstream_playlist_changed ();
227 void diskstream_record_enable_changed ();
228 void diskstream_speed_changed ();
229 void diskstream_alignment_style_changed ();
231 void parameter_changed (std::string);
232 void deactivate_visible_processors ();
233 void activate_deactivated_processors ();
236 }; /* namespace ARDOUR*/
238 #endif /* __ardour_track_h__ */