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/interthread_info.h"
25 #include "ardour/route.h"
26 #include "ardour/public_diskstream.h"
38 class LIBARDOUR_API Track : public Route, public PublicDiskstream
41 Track (Session&, std::string name, Route::Flag f = Route::Flag (0), TrackMode m = Normal, DataType default_type = DataType::AUDIO);
46 bool set_name (const std::string& str);
47 void resync_track_name ();
49 TrackMode mode () const { return _mode; }
50 virtual int set_mode (TrackMode /*m*/) { return false; }
51 virtual bool can_use_mode (TrackMode /*m*/, bool& /*bounce_required*/) { return false; }
52 PBD::Signal0<void> TrackModeChanged;
54 class LIBARDOUR_API MonitoringControllable : public RouteAutomationControl {
56 MonitoringControllable (std::string name, boost::shared_ptr<Track>);
57 void set_value (double, PBD::Controllable::GroupControlDisposition group_override);
58 /* currently no automation, so no need for set_value_unchecked() */
59 double get_value () const;
61 void _set_value (double, PBD::Controllable::GroupControlDisposition group_override);
62 static ParameterDescriptor get_descriptor();
65 void set_monitoring (MonitorChoice, PBD::Controllable::GroupControlDisposition group_override);
66 MonitorChoice monitoring_choice() const { return _monitoring; }
67 MonitorState monitoring_state () const;
68 PBD::Signal0<void> MonitoringChanged;
70 boost::shared_ptr<AutomationControl> monitoring_control() const { return _monitoring_control; }
72 MeterState metering_state () const;
74 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
77 int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
80 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
81 int declick, bool& need_butler) = 0;
83 bool needs_butler() const { return _needs_butler; }
85 virtual DataType data_type () const = 0;
89 void use_new_diskstream ();
90 virtual boost::shared_ptr<Diskstream> create_diskstream() = 0;
91 virtual void set_diskstream (boost::shared_ptr<Diskstream>);
93 void set_latency_compensation (framecnt_t);
101 FreezeState freeze_state() const;
103 virtual void freeze_me (InterThreadInfo&) = 0;
104 virtual void unfreeze () = 0;
106 /** @return true if the track can be bounced, or false otherwise.
108 virtual bool bounceable (boost::shared_ptr<Processor> endpoint, bool include_endpoint) const = 0;
109 virtual boost::shared_ptr<Region> bounce (InterThreadInfo&) = 0;
110 virtual boost::shared_ptr<Region> bounce_range (framepos_t start, framepos_t end, InterThreadInfo&,
111 boost::shared_ptr<Processor> endpoint, bool include_endpoint) = 0;
112 virtual int export_stuff (BufferSet& bufs, framepos_t start_frame, framecnt_t nframes,
113 boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) = 0;
115 XMLNode& get_state();
116 XMLNode& get_template();
117 virtual int set_state (const XMLNode&, int version);
118 static void zero_diskstream_id_in_xml (XMLNode&);
120 boost::shared_ptr<AutomationControl> rec_enable_control() { return _rec_enable_control; }
122 bool record_enabled() const;
123 bool record_safe () const;
124 void set_record_enabled (bool yn, PBD::Controllable::GroupControlDisposition);
125 void set_record_safe (bool yn, PBD::Controllable::GroupControlDisposition);
126 void prep_record_enabled (bool yn, PBD::Controllable::GroupControlDisposition);
128 bool using_diskstream_id (PBD::ID) const;
130 void set_block_size (pframes_t);
132 /* PublicDiskstream interface */
133 boost::shared_ptr<Playlist> playlist ();
134 void request_input_monitoring (bool);
135 void ensure_input_monitoring (bool);
136 bool destructive () const;
137 std::list<boost::shared_ptr<Source> > & last_capture_sources ();
138 void set_capture_offset ();
139 std::string steal_write_source_name ();
140 void reset_write_sources (bool, bool force = false);
141 float playback_buffer_load () const;
142 float capture_buffer_load () const;
144 int do_flush (RunContext, bool force = false);
145 void set_pending_overwrite (bool);
146 int seek (framepos_t, bool complete_refill = false);
147 bool hidden () const;
148 int can_internal_playback_seek (framecnt_t);
149 int internal_playback_seek (framecnt_t);
150 void non_realtime_input_change ();
151 void non_realtime_locate (framepos_t);
152 void non_realtime_set_speed ();
153 int overwrite_existing_buffers ();
154 framecnt_t get_captured_frames (uint32_t n = 0) const;
155 int set_loop (Location *);
156 void transport_looped (framepos_t);
157 bool realtime_set_speed (double, bool);
158 void transport_stopped_wallclock (struct tm &, time_t, bool);
159 bool pending_overwrite () const;
160 double speed () const;
161 void prepare_to_stop (framepos_t, framepos_t);
162 void set_slaved (bool);
163 ChanCount n_channels ();
164 framepos_t get_capture_start_frame (uint32_t n = 0) const;
165 AlignStyle alignment_style () const;
166 AlignChoice alignment_choice () const;
167 framepos_t current_capture_start () const;
168 framepos_t current_capture_end () const;
169 void playlist_modified ();
170 int use_playlist (boost::shared_ptr<Playlist>);
171 void set_align_style (AlignStyle, bool force=false);
172 void set_align_choice (AlignChoice, bool force=false);
173 int use_copy_playlist ();
174 int use_new_playlist ();
175 void adjust_playback_buffering ();
176 void adjust_capture_buffering ();
178 PBD::Signal0<void> DiskstreamChanged;
179 PBD::Signal0<void> FreezeChange;
180 /* Emitted when our diskstream is set to use a different playlist */
181 PBD::Signal0<void> PlaylistChanged;
182 PBD::Signal0<void> RecordEnableChanged;
183 PBD::Signal0<void> RecordSafeChanged;
184 PBD::Signal0<void> SpeedChanged;
185 PBD::Signal0<void> AlignmentStyleChanged;
188 XMLNode& state (bool full);
190 boost::shared_ptr<Diskstream> _diskstream;
191 MeterPoint _saved_meter_point;
194 MonitorChoice _monitoring;
195 boost::shared_ptr<MonitoringControllable> _monitoring_control;
198 struct FreezeRecordProcessorInfo {
199 FreezeRecordProcessorInfo(XMLNode& st, boost::shared_ptr<Processor> proc)
200 : state (st), processor (proc) {}
203 boost::shared_ptr<Processor> processor;
207 struct FreezeRecord {
209 : have_mementos(false)
214 boost::shared_ptr<Playlist> playlist;
215 std::vector<FreezeRecordProcessorInfo*> processor_info;
220 class RecEnableControl : public AutomationControl {
222 RecEnableControl (boost::shared_ptr<Track> t);
224 void set_value (double, PBD::Controllable::GroupControlDisposition);
225 void set_value_unchecked (double);
226 double get_value (void) const;
228 boost::weak_ptr<Track> track;
231 void _set_value (double, PBD::Controllable::GroupControlDisposition);
234 virtual void set_state_part_two () = 0;
236 FreezeRecord _freeze_record;
237 XMLNode* pending_state;
240 void maybe_declick (BufferSet&, framecnt_t, int);
242 boost::shared_ptr<RecEnableControl> _rec_enable_control;
244 framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&);
248 virtual boost::shared_ptr<Diskstream> diskstream_factory (XMLNode const &) = 0;
250 void diskstream_playlist_changed ();
251 void diskstream_record_enable_changed ();
252 void diskstream_record_safe_changed ();
253 void diskstream_speed_changed ();
254 void diskstream_alignment_style_changed ();
255 void parameter_changed (std::string const & p);
257 std::string _diskstream_name;
260 }; /* namespace ARDOUR*/
262 #endif /* __ardour_track_h__ */