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/io.h"
30 #include "ardour/meter.h"
31 #include "ardour/panner_shell.h"
32 #include "ardour/send.h"
33 #include "ardour/session.h"
38 class AutomationControl;
43 using namespace ARDOUR;
48 Send::name_and_id_new_send (Session& s, Role r, uint32_t& bitslot, bool ignore_bitslot)
51 /* this happens during initial construction of sends from XML,
52 before they get ::set_state() called. lets not worry about
61 return string_compose (_("aux %1"), (bitslot = s.next_aux_send_id ()) + 1);
62 case Delivery::Listen:
63 return _("listen"); // no ports, no need for numbering
65 return string_compose (_("send %1"), (bitslot = s.next_send_id ()) + 1);
67 fatal << string_compose (_("programming error: send created using role %1"), enum_2_string (r)) << endmsg;
68 abort(); /*NOTREACHED*/
74 Send::Send (Session& s, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, Role r, bool ignore_bitslot)
75 : Delivery (s, p, mm, name_and_id_new_send (s, r, _bitslot, ignore_bitslot), r)
80 if (_role == Listen) {
81 /* we don't need to do this but it keeps things looking clean
82 in a debugger. _bitslot is not used by listen sends.
87 //boost_debug_shared_ptr_mark_interesting (this, "send");
89 _meter.reset (new PeakMeter (_session, name()));
91 _delayline.reset (new DelayLine (_session, name()));
93 add_control (_amp->gain_control ());
96 panner_shell()->Changed.connect_same_thread (*this, boost::bind (&Send::panshell_changed, this));
102 _session.unmark_send_id (_bitslot);
111 Processor::activate ();
118 _meter->deactivate ();
121 Processor::deactivate ();
125 Send::set_delay_in(framecnt_t delay)
127 if (!_delayline) return;
128 if (_delay_in == delay) {
133 DEBUG_TRACE (DEBUG::LatencyCompensation,
134 string_compose ("Send::set_delay_in(%1) + %2 = %3\n",
135 delay, _delay_out, _delay_out + _delay_in));
136 _delayline.get()->set_delay(_delay_out + _delay_in);
140 Send::set_delay_out(framecnt_t delay)
142 if (!_delayline) return;
143 if (_delay_out == delay) {
147 DEBUG_TRACE (DEBUG::LatencyCompensation,
148 string_compose ("Send::set_delay_out(%1) + %2 = %3\n",
149 delay, _delay_in, _delay_out + _delay_in));
150 _delayline.get()->set_delay(_delay_out + _delay_in);
154 Send::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
156 if (_output->n_ports() == ChanCount::ZERO) {
158 _active = _pending_active;
162 if (!_active && !_pending_active) {
164 _output->silence (nframes);
165 _active = _pending_active;
169 // we have to copy the input, because deliver_output() may alter the buffers
170 // in-place, which a send must never do.
172 BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
173 sendbufs.read_from (bufs, nframes);
174 assert(sendbufs.count() == bufs.count());
176 /* automatable gain control */
178 _amp->set_gain_automation_buffer (_session.send_gain_automation_buffer ());
179 _amp->setup_gain_automation (start_frame, end_frame, nframes);
180 _amp->run (sendbufs, start_frame, end_frame, nframes, true);
182 _delayline->run (sendbufs, start_frame, end_frame, nframes, true);
184 /* deliver to outputs */
186 Delivery::run (sendbufs, start_frame, end_frame, nframes, true);
188 /* consider metering */
191 if (_amp->gain_control()->get_value() == 0) {
194 _meter->run (*_output_buffers, start_frame, end_frame, nframes, true);
198 /* _active was set to _pending_active by Delivery::run() */
202 Send::get_state(void)
208 Send::state (bool full)
210 XMLNode& node = Delivery::state(full);
213 node.add_property ("type", "send");
214 snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
216 if (_role != Listen) {
217 node.add_property ("bitslot", buf);
220 node.add_child_nocopy (_amp->state (full));
226 Send::set_state (const XMLNode& node, int version)
228 if (version < 3000) {
229 return set_state_2X (node, version);
232 const XMLProperty* prop;
234 Delivery::set_state (node, version);
236 if (node.property ("ignore-bitslot") == 0) {
238 /* don't try to reset bitslot if there is a node for it already: this can cause
239 issues with the session's accounting of send ID's
242 if ((prop = node.property ("bitslot")) == 0) {
243 if (_role == Delivery::Aux) {
244 _bitslot = _session.next_aux_send_id ();
245 } else if (_role == Delivery::Send) {
246 _bitslot = _session.next_send_id ();
248 // bitslot doesn't matter but make it zero anyway
252 if (_role == Delivery::Aux) {
253 _session.unmark_aux_send_id (_bitslot);
254 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
255 _session.mark_aux_send_id (_bitslot);
256 } else if (_role == Delivery::Send) {
257 _session.unmark_send_id (_bitslot);
258 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
259 _session.mark_send_id (_bitslot);
261 // bitslot doesn't matter but make it zero anyway
267 XMLNodeList nlist = node.children();
268 for (XMLNodeIterator i = nlist.begin(); i != nlist.end(); ++i) {
269 if ((*i)->name() == X_("Processor")) {
270 _amp->set_state (**i, version);
278 Send::set_state_2X (const XMLNode& node, int /* version */)
280 /* use the IO's name for the name of the send */
281 XMLNodeList const & children = node.children ();
283 XMLNodeList::const_iterator i = children.begin();
284 while (i != children.end() && (*i)->name() != X_("Redirect")) {
288 if (i == children.end()) {
292 XMLNodeList const & grand_children = (*i)->children ();
293 XMLNodeList::const_iterator j = grand_children.begin ();
294 while (j != grand_children.end() && (*j)->name() != X_("IO")) {
298 if (j == grand_children.end()) {
302 XMLProperty const * prop = (*j)->property (X_("name"));
307 set_name (prop->value ());
313 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out)
315 /* sends have no impact at all on the channel configuration of the
316 streams passing through the route. so, out == in.
323 /** Caller must hold process lock */
325 Send::configure_io (ChanCount in, ChanCount out)
327 if (!_amp->configure_io (in, out)) {
331 if (!Processor::configure_io (in, out)) {
335 if (!_meter->configure_io (ChanCount (DataType::AUDIO, pan_outs()), ChanCount (DataType::AUDIO, pan_outs()))) {
339 if (_delayline && !_delayline->configure_io(in, out)) {
340 cerr << "send delayline config failed\n";
350 Send::panshell_changed ()
352 _meter->configure_io (ChanCount (DataType::AUDIO, pan_outs()), ChanCount (DataType::AUDIO, pan_outs()));
356 Send::set_name (const string& new_name)
360 if (_role == Delivery::Send) {
363 /* rip any existing numeric part of the name, and append the bitslot
366 string::size_type last_letter = new_name.find_last_not_of ("0123456789");
368 if (last_letter != string::npos) {
369 unique_name = new_name.substr (0, last_letter + 1);
371 unique_name = new_name;
374 snprintf (buf, sizeof (buf), "%u", (_bitslot + 1));
378 unique_name = new_name;
381 return Delivery::set_name (unique_name);
385 Send::display_to_user () const
387 /* we ignore Deliver::_display_to_user */
389 if (_role == Listen) {
390 /* don't make the monitor/control/listen send visible */
398 Send::value_as_string (boost::shared_ptr<AutomationControl> ac) const
400 return _amp->value_as_string (ac);