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"
24 #include "pbd/boost_debug.h"
26 #include "ardour/amp.h"
27 #include "ardour/buffer_set.h"
28 #include "ardour/debug.h"
29 #include "ardour/gain_control.h"
30 #include "ardour/io.h"
31 #include "ardour/meter.h"
32 #include "ardour/panner_shell.h"
33 #include "ardour/send.h"
34 #include "ardour/session.h"
39 class AutomationControl;
44 using namespace ARDOUR;
49 Send::name_and_id_new_send (Session& s, Role r, uint32_t& bitslot, bool ignore_bitslot)
52 /* this happens during initial construction of sends from XML,
53 before they get ::set_state() called. lets not worry about
62 return string_compose (_("aux %1"), (bitslot = s.next_aux_send_id ()) + 1);
63 case Delivery::Listen:
64 return _("listen"); // no ports, no need for numbering
66 return string_compose (_("send %1"), (bitslot = s.next_send_id ()) + 1);
68 fatal << string_compose (_("programming error: send created using role %1"), enum_2_string (r)) << endmsg;
69 abort(); /*NOTREACHED*/
75 Send::Send (Session& s, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, Role r, bool ignore_bitslot)
76 : Delivery (s, p, mm, name_and_id_new_send (s, r, _bitslot, ignore_bitslot), r)
81 if (_role == Listen) {
82 /* we don't need to do this but it keeps things looking clean
83 in a debugger. _bitslot is not used by listen sends.
88 //boost_debug_shared_ptr_mark_interesting (this, "send");
90 boost::shared_ptr<AutomationList> gl (new AutomationList (Evoral::Parameter (GainAutomation)));
91 _gain_control = boost::shared_ptr<GainControl> (new GainControl (_session, Evoral::Parameter(GainAutomation), gl));
92 add_control (_gain_control);
94 _amp.reset (new Amp (_session, _("Fader"), _gain_control, true));
95 _meter.reset (new PeakMeter (_session, name()));
97 _delayline.reset (new DelayLine (_session, name()));
100 panner_shell()->Changed.connect_same_thread (*this, boost::bind (&Send::panshell_changed, this));
106 _session.unmark_send_id (_bitslot);
115 Processor::activate ();
122 _meter->deactivate ();
125 Processor::deactivate ();
129 Send::set_delay_in(framecnt_t delay)
131 if (!_delayline) return;
132 if (_delay_in == delay) {
137 DEBUG_TRACE (DEBUG::LatencyCompensation,
138 string_compose ("Send::set_delay_in(%1) + %2 = %3\n",
139 delay, _delay_out, _delay_out + _delay_in));
140 _delayline.get()->set_delay(_delay_out + _delay_in);
144 Send::set_delay_out(framecnt_t delay)
146 if (!_delayline) return;
147 if (_delay_out == delay) {
151 DEBUG_TRACE (DEBUG::LatencyCompensation,
152 string_compose ("Send::set_delay_out(%1) + %2 = %3\n",
153 delay, _delay_in, _delay_out + _delay_in));
154 _delayline.get()->set_delay(_delay_out + _delay_in);
158 Send::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
160 if (_output->n_ports() == ChanCount::ZERO) {
162 _active = _pending_active;
166 if (!_active && !_pending_active) {
168 _output->silence (nframes);
169 _active = _pending_active;
173 // we have to copy the input, because deliver_output() may alter the buffers
174 // in-place, which a send must never do.
176 BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
177 sendbufs.read_from (bufs, nframes);
178 assert(sendbufs.count() == bufs.count());
182 _amp->set_gain_automation_buffer (_session.send_gain_automation_buffer ());
183 _amp->setup_gain_automation (start_frame, end_frame, nframes);
184 _amp->run (sendbufs, start_frame, end_frame, nframes, true);
186 _delayline->run (sendbufs, start_frame, end_frame, nframes, true);
188 /* deliver to outputs */
190 Delivery::run (sendbufs, start_frame, end_frame, nframes, true);
192 /* consider metering */
195 if (_amp->gain_control()->get_value() == 0) {
198 _meter->run (*_output_buffers, start_frame, end_frame, nframes, true);
202 /* _active was set to _pending_active by Delivery::run() */
206 Send::get_state(void)
212 Send::state (bool full)
214 XMLNode& node = Delivery::state(full);
217 node.add_property ("type", "send");
218 snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
220 if (_role != Listen) {
221 node.add_property ("bitslot", buf);
224 node.add_child_nocopy (_amp->state (full));
230 Send::set_state (const XMLNode& node, int version)
232 if (version < 3000) {
233 return set_state_2X (node, version);
236 const XMLProperty* prop;
238 Delivery::set_state (node, version);
240 if (node.property ("ignore-bitslot") == 0) {
242 /* don't try to reset bitslot if there is a node for it already: this can cause
243 issues with the session's accounting of send ID's
246 if ((prop = node.property ("bitslot")) == 0) {
247 if (_role == Delivery::Aux) {
248 _bitslot = _session.next_aux_send_id ();
249 } else if (_role == Delivery::Send) {
250 _bitslot = _session.next_send_id ();
252 // bitslot doesn't matter but make it zero anyway
256 if (_role == Delivery::Aux) {
257 _session.unmark_aux_send_id (_bitslot);
258 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
259 _session.mark_aux_send_id (_bitslot);
260 } else if (_role == Delivery::Send) {
261 _session.unmark_send_id (_bitslot);
262 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
263 _session.mark_send_id (_bitslot);
265 // bitslot doesn't matter but make it zero anyway
271 XMLNodeList nlist = node.children();
272 for (XMLNodeIterator i = nlist.begin(); i != nlist.end(); ++i) {
273 if ((*i)->name() == X_("Processor")) {
274 _amp->set_state (**i, version);
282 Send::set_state_2X (const XMLNode& node, int /* version */)
284 /* use the IO's name for the name of the send */
285 XMLNodeList const & children = node.children ();
287 XMLNodeList::const_iterator i = children.begin();
288 while (i != children.end() && (*i)->name() != X_("Redirect")) {
292 if (i == children.end()) {
296 XMLNodeList const & grand_children = (*i)->children ();
297 XMLNodeList::const_iterator j = grand_children.begin ();
298 while (j != grand_children.end() && (*j)->name() != X_("IO")) {
302 if (j == grand_children.end()) {
306 XMLProperty const * prop = (*j)->property (X_("name"));
311 set_name (prop->value ());
317 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out)
319 /* sends have no impact at all on the channel configuration of the
320 streams passing through the route. so, out == in.
327 /** Caller must hold process lock */
329 Send::configure_io (ChanCount in, ChanCount out)
331 if (!_amp->configure_io (in, out)) {
335 if (!Processor::configure_io (in, out)) {
339 if (!_meter->configure_io (ChanCount (DataType::AUDIO, pan_outs()), ChanCount (DataType::AUDIO, pan_outs()))) {
343 if (_delayline && !_delayline->configure_io(in, out)) {
344 cerr << "send delayline config failed\n";
354 Send::panshell_changed ()
356 _meter->configure_io (ChanCount (DataType::AUDIO, pan_outs()), ChanCount (DataType::AUDIO, pan_outs()));
360 Send::set_name (const string& new_name)
364 if (_role == Delivery::Send) {
367 /* rip any existing numeric part of the name, and append the bitslot
370 string::size_type last_letter = new_name.find_last_not_of ("0123456789");
372 if (last_letter != string::npos) {
373 unique_name = new_name.substr (0, last_letter + 1);
375 unique_name = new_name;
378 snprintf (buf, sizeof (buf), "%u", (_bitslot + 1));
382 unique_name = new_name;
385 return Delivery::set_name (unique_name);
389 Send::display_to_user () const
391 /* we ignore Deliver::_display_to_user */
393 if (_role == Listen) {
394 /* don't make the monitor/control/listen send visible */
402 Send::value_as_string (boost::shared_ptr<AutomationControl> ac) const
404 return _amp->value_as_string (ac);