2 Copyright (C) 2000 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.
23 #include "pbd/xml++.h"
25 #include "ardour/amp.h"
26 #include "ardour/boost_debug.h"
27 #include "ardour/buffer_set.h"
28 #include "ardour/debug.h"
29 #include "ardour/delayline.h"
30 #include "ardour/gain_control.h"
31 #include "ardour/io.h"
32 #include "ardour/meter.h"
33 #include "ardour/panner_shell.h"
34 #include "ardour/send.h"
35 #include "ardour/session.h"
40 class AutomationControl;
45 using namespace ARDOUR;
50 Send::name_and_id_new_send (Session& s, Role r, uint32_t& bitslot, bool ignore_bitslot)
53 /* this happens during initial construction of sends from XML,
54 before they get ::set_state() called. lets not worry about
63 return string_compose (_("aux %1"), (bitslot = s.next_aux_send_id ()) + 1);
64 case Delivery::Listen:
65 return _("listen"); // no ports, no need for numbering
67 return string_compose (_("send %1"), (bitslot = s.next_send_id ()) + 1);
69 fatal << string_compose (_("programming error: send created using role %1"), enum_2_string (r)) << endmsg;
70 abort(); /*NOTREACHED*/
76 Send::Send (Session& s, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, Role r, bool ignore_bitslot)
77 : Delivery (s, p, mm, name_and_id_new_send (s, r, _bitslot, ignore_bitslot), r)
81 , _remove_on_disconnect (false)
83 if (_role == Listen) {
84 /* we don't need to do this but it keeps things looking clean
85 in a debugger. _bitslot is not used by listen sends.
90 //boost_debug_shared_ptr_mark_interesting (this, "send");
92 boost::shared_ptr<AutomationList> gl (new AutomationList (Evoral::Parameter (GainAutomation)));
93 _gain_control = boost::shared_ptr<GainControl> (new GainControl (_session, Evoral::Parameter(GainAutomation), gl));
94 add_control (_gain_control);
96 _amp.reset (new Amp (_session, _("Fader"), _gain_control, true));
97 _meter.reset (new PeakMeter (_session, name()));
99 _delayline.reset (new DelayLine (_session, "Send-" + name()));
101 if (panner_shell()) {
102 panner_shell()->Changed.connect_same_thread (*this, boost::bind (&Send::panshell_changed, this));
105 _output->changed.connect_same_thread (*this, boost::bind (&Send::snd_output_changed, this, _1, _2));
111 _session.unmark_send_id (_bitslot);
120 Processor::activate ();
127 _meter->deactivate ();
130 Processor::deactivate ();
134 Send::set_output_latency (samplecnt_t cnt)
136 Processor::set_output_latency (cnt);
141 Send::set_delay_in (samplecnt_t delay)
143 if (!_delayline) return;
144 if (_delay_in == delay) {
149 DEBUG_TRACE (DEBUG::LatencyCompensation,
150 string_compose ("Send::set_delay_in %1: (%2) - %3 = %4\n",
151 name (), _delay_in, _delay_out, _delay_in - _delay_out));
152 _delayline->set_delay(_delay_in - _delay_out);
156 Send::set_delay_out (samplecnt_t delay)
158 if (!_delayline) return;
159 if (_delay_out == delay) {
163 DEBUG_TRACE (DEBUG::LatencyCompensation,
164 string_compose ("Send::set_delay_out %1: %2 - (%3) = %4\n",
165 name (), _delay_in, _delay_out, _delay_in - _delay_out));
166 _delayline->set_delay(_delay_in - _delay_out);
170 Send::run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool)
172 if (_output->n_ports() == ChanCount::ZERO) {
174 _active = _pending_active;
178 if (!_active && !_pending_active) {
180 _output->silence (nframes);
181 _active = _pending_active;
185 // we have to copy the input, because deliver_output() may alter the buffers
186 // in-place, which a send must never do.
188 BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
189 sendbufs.read_from (bufs, nframes);
190 assert(sendbufs.count() == bufs.count());
194 _amp->set_gain_automation_buffer (_session.send_gain_automation_buffer ());
195 _amp->setup_gain_automation (start_sample, end_sample, nframes);
196 _amp->run (sendbufs, start_sample, end_sample, speed, nframes, true);
198 _delayline->run (sendbufs, start_sample, end_sample, speed, nframes, true);
200 /* deliver to outputs */
202 Delivery::run (sendbufs, start_sample, end_sample, speed, nframes, true);
204 /* consider metering */
207 if (_amp->gain_control()->get_value() == 0) {
210 _meter->run (*_output_buffers, start_sample, end_sample, speed, nframes, true);
214 /* _active was set to _pending_active by Delivery::run() */
218 Send::get_state(void)
224 Send::state (bool full)
226 XMLNode& node = Delivery::state(full);
228 node.set_property ("type", "send");
230 if (_role != Listen) {
231 node.set_property ("bitslot", _bitslot);
234 node.set_property ("selfdestruct", _remove_on_disconnect);
236 node.add_child_nocopy (_amp->state (full));
242 Send::set_state (const XMLNode& node, int version)
244 if (version < 3000) {
245 return set_state_2X (node, version);
248 XMLProperty const * prop;
250 Delivery::set_state (node, version);
252 if (node.property ("ignore-bitslot") == 0) {
254 /* don't try to reset bitslot if there is a node for it already: this can cause
255 issues with the session's accounting of send ID's
258 if ((prop = node.property ("bitslot")) == 0) {
259 if (_role == Delivery::Aux) {
260 _bitslot = _session.next_aux_send_id ();
261 } else if (_role == Delivery::Send) {
262 _bitslot = _session.next_send_id ();
264 // bitslot doesn't matter but make it zero anyway
268 if (_role == Delivery::Aux) {
269 _session.unmark_aux_send_id (_bitslot);
270 _bitslot = string_to<uint32_t>(prop->value());
271 _session.mark_aux_send_id (_bitslot);
272 } else if (_role == Delivery::Send) {
273 _session.unmark_send_id (_bitslot);
274 _bitslot = string_to<uint32_t>(prop->value());
275 _session.mark_send_id (_bitslot);
277 // bitslot doesn't matter but make it zero anyway
283 node.get_property (X_("selfdestruct"), _remove_on_disconnect);
285 XMLNodeList nlist = node.children();
286 for (XMLNodeIterator i = nlist.begin(); i != nlist.end(); ++i) {
287 if ((*i)->name() == X_("Processor")) {
288 _amp->set_state (**i, version);
292 _delayline->set_name ("Send-" + name());
298 Send::set_state_2X (const XMLNode& node, int /* version */)
300 /* use the IO's name for the name of the send */
301 XMLNodeList const & children = node.children ();
303 XMLNodeList::const_iterator i = children.begin();
304 while (i != children.end() && (*i)->name() != X_("Redirect")) {
308 if (i == children.end()) {
312 XMLNodeList const & grand_children = (*i)->children ();
313 XMLNodeList::const_iterator j = grand_children.begin ();
314 while (j != grand_children.end() && (*j)->name() != X_("IO")) {
318 if (j == grand_children.end()) {
322 XMLProperty const * prop = (*j)->property (X_("name"));
327 set_name (prop->value ());
333 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out)
335 /* sends have no impact at all on the channel configuration of the
336 streams passing through the route. so, out == in.
343 /** Caller must hold process lock */
345 Send::configure_io (ChanCount in, ChanCount out)
347 if (!_amp->configure_io (in, out)) {
351 if (!Processor::configure_io (in, out)) {
355 if (!_meter->configure_io (ChanCount (DataType::AUDIO, pan_outs()), ChanCount (DataType::AUDIO, pan_outs()))) {
359 if (_delayline && !_delayline->configure_io (ChanCount (DataType::AUDIO, pan_outs()), ChanCount (DataType::AUDIO, pan_outs()))) {
360 cerr << "send delayline config failed\n";
370 Send::panshell_changed ()
372 _meter->configure_io (ChanCount (DataType::AUDIO, pan_outs()), ChanCount (DataType::AUDIO, pan_outs()));
376 Send::set_name (const string& new_name)
380 if (_role == Delivery::Send) {
383 /* rip any existing numeric part of the name, and append the bitslot
386 string::size_type last_letter = new_name.find_last_not_of ("0123456789");
388 if (last_letter != string::npos) {
389 unique_name = new_name.substr (0, last_letter + 1);
391 unique_name = new_name;
394 snprintf (buf, sizeof (buf), "%u", (_bitslot + 1));
398 unique_name = new_name;
401 return Delivery::set_name (unique_name);
405 Send::display_to_user () const
407 /* we ignore Deliver::_display_to_user */
409 if (_role == Listen) {
410 /* don't make the monitor/control/listen send visible */
418 Send::snd_output_changed (IOChange change, void* /*src*/)
420 if (change.type & IOChange::ConnectionsChanged) {
421 if (!_output->connected() && _remove_on_disconnect) {
422 _remove_on_disconnect = false;
423 SelfDestruct (); /* EMIT SIGNAL */