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.
18 #include "pbd/error.h"
19 #include <sigc++/retype.h>
20 #include <sigc++/retype_return.h>
21 #include <sigc++/bind.h>
23 #include "ardour/amp.h"
24 #include "ardour/audioplaylist.h"
25 #include "ardour/audioregion.h"
26 #include "ardour/audiosource.h"
27 #include "ardour/delivery.h"
28 #include "ardour/diskstream.h"
29 #include "ardour/io_processor.h"
30 #include "ardour/meter.h"
31 #include "ardour/port.h"
32 #include "ardour/processor.h"
33 #include "ardour/route_group_specialized.h"
34 #include "ardour/session.h"
35 #include "ardour/track.h"
36 #include "ardour/utils.h"
41 using namespace ARDOUR;
44 Track::Track (Session& sess, string name, Route::Flag flag, TrackMode mode, DataType default_type)
45 : Route (sess, name, flag, default_type)
46 , _rec_enable_control (new RecEnableControllable(*this))
49 _freeze_record.state = NoFreeze;
50 _saved_meter_point = _meter_point;
54 Track::Track (Session& sess, const XMLNode& node, DataType default_type)
55 : Route (sess, node, default_type)
56 , _rec_enable_control (new RecEnableControllable(*this))
58 _freeze_record.state = NoFreeze;
60 _saved_meter_point = _meter_point;
68 Track::set_meter_point (MeterPoint p, void *src)
70 Route::set_meter_point (p, src);
80 Track::get_template ()
86 Track::toggle_monitor_input ()
88 for (PortSet::iterator i = _input->ports().begin(); i != _input->ports().end(); ++i) {
89 i->ensure_monitor_input(!i->monitoring_input());
94 Track::update_total_latency ()
96 nframes_t old = _output->effective_latency();
97 nframes_t own_latency = _output->user_latency();
99 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
100 if ((*i)->active ()) {
101 own_latency += (*i)->signal_latency ();
107 cerr << _name << ": internal redirect (final) latency = " << own_latency << endl;
110 _output->set_port_latency (own_latency);
112 if (old != own_latency) {
113 _output->set_latency_delay (own_latency);
114 signal_latency_changed (); /* EMIT SIGNAL */
117 return _output->effective_latency();
120 Track::FreezeRecord::~FreezeRecord ()
122 for (vector<FreezeRecordProcessorInfo*>::iterator i = processor_info.begin(); i != processor_info.end(); ++i) {
128 Track::freeze_state() const
130 return _freeze_record.state;
133 Track::RecEnableControllable::RecEnableControllable (Track& s)
134 : Controllable (X_("recenable")), track (s)
139 Track::RecEnableControllable::set_value (float val)
141 bool bval = ((val >= 0.5f) ? true: false);
142 track.set_record_enable (bval, this);
146 Track::RecEnableControllable::get_value (void) const
148 if (track.record_enabled()) { return 1.0f; }
153 Track::record_enabled () const
155 return _diskstream && _diskstream->record_enabled ();
161 bool will_record = true;
162 for (PortSet::iterator i = _input->ports().begin(); i != _input->ports().end() && will_record; ++i) {
171 Track::set_record_enable (bool yn, void *src)
173 if (_freeze_record.state == Frozen) {
177 if (_route_group && src != _route_group && _route_group->active_property (RouteGroup::RecEnable)) {
178 _route_group->apply (&Track::set_record_enable, yn, _route_group);
182 /* keep track of the meter point as it was before we rec-enabled */
183 if (!_diskstream->record_enabled()) {
184 _saved_meter_point = _meter_point;
187 _diskstream->set_record_enabled (yn);
189 if (_diskstream->record_enabled()) {
190 set_meter_point (MeterInput, this);
192 set_meter_point (_saved_meter_point, this);
195 _rec_enable_control->Changed ();
200 Track::set_name (const string& str)
204 if (record_enabled() && _session.actively_recording()) {
205 /* this messes things up if done while recording */
209 if (_diskstream->set_name (str)) {
213 /* save state so that the statefile fully reflects any filename changes */
215 if ((ret = Route::set_name (str)) == 0) {
216 _session.save_state ("");
223 Track::set_latency_delay (nframes_t longest_session_latency)
225 Route::set_latency_delay (longest_session_latency);
226 _diskstream->set_roll_delay (_roll_delay);
230 Track::zero_diskstream_id_in_xml (XMLNode& node)
232 if (node.property ("diskstream-id")) {
233 node.add_property ("diskstream-id", "0");
238 Track::no_roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
239 bool session_state_changing, bool can_record, bool /*rec_monitors_input*/)
241 if (n_outputs().n_total() == 0) {
250 if (session_state_changing) {
252 /* XXX is this safe to do against transport state changes? */
254 passthru_silence (start_frame, end_frame, nframes, 0);
258 diskstream()->check_record_status (start_frame, nframes, can_record);
262 if (_have_internal_generator) {
263 /* since the instrument has no input streams,
264 there is no reason to send any signal
269 if (!Config->get_tape_machine_mode()) {
271 ADATs work in a strange way..
272 they monitor input always when stopped.and auto-input is engaged.
274 if ((Config->get_monitoring_model() == SoftwareMonitoring)
275 && (_session.config.get_auto_input () || _diskstream->record_enabled())) {
276 send_silence = false;
282 Other machines switch to input on stop if the track is record enabled,
283 regardless of the auto input setting (auto input only changes the
284 monitoring state when the transport is rolling)
286 if ((Config->get_monitoring_model() == SoftwareMonitoring)
287 && _diskstream->record_enabled()) {
288 send_silence = false;
295 _amp->apply_gain_automation(false);
299 /* if we're sending silence, but we want the meters to show levels for the signal,
303 if (_have_internal_generator) {
304 passthru_silence (start_frame, end_frame, nframes, 0);
306 if (_meter_point == MeterInput) {
307 _input->process_input (_meter, start_frame, end_frame, nframes);
309 passthru_silence (start_frame, end_frame, nframes, 0);
314 /* we're sending signal, but we may still want to meter the input.
317 passthru (start_frame, end_frame, nframes, false);
320 _main_outs->flush (nframes);
326 Track::silent_roll (nframes_t nframes, sframes_t /*start_frame*/, sframes_t /*end_frame*/,
327 bool can_record, bool rec_monitors_input)
329 if (n_outputs().n_total() == 0 && _processors.empty()) {
339 _amp->apply_gain_automation(false);
343 return diskstream()->process (_session.transport_frame(), nframes, can_record, rec_monitors_input);