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/send.h"
28 #include "ardour/session.h"
29 #include "ardour/port.h"
30 #include "ardour/audio_port.h"
31 #include "ardour/buffer_set.h"
32 #include "ardour/meter.h"
33 #include "ardour/panner.h"
34 #include "ardour/io.h"
38 using namespace ARDOUR;
43 Send::name_and_id_new_send (Session& s, Role r, uint32_t& bitslot)
46 /* this happens during initial construction of sends from XML,
47 before they get ::set_state() called. lets not worry about
56 return string_compose (_("aux %1"), (bitslot = s.next_aux_send_id ()) + 1);
57 case Delivery::Listen:
58 return _("listen"); // no ports, no need for numbering
60 return string_compose (_("send %1"), (bitslot = s.next_send_id ()) + 1);
62 fatal << string_compose (_("programming error: send created using role %1"), enum_2_string (r)) << endmsg;
69 Send::Send (Session& s, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, Role r)
70 : Delivery (s, p, mm, name_and_id_new_send (s, r, _bitslot), r)
73 if (_role == Listen) {
74 /* we don't need to do this but it keeps things looking clean
75 in a debugger. _bitslot is not used by listen sends.
80 boost_debug_shared_ptr_mark_interesting (this, "send");
82 _amp.reset (new Amp (_session));
83 _meter.reset (new PeakMeter (_session));
85 add_control (_amp->gain_control ());
88 Send::Send (Session& s, const std::string& name, uint32_t bslot, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, Role r)
89 : Delivery (s, p, mm, name, r)
93 if (_role == Listen) {
94 /* we don't need to do this but it keeps things looking clean
95 in a debugger. _bitslot is not used by listen sends.
100 boost_debug_shared_ptr_mark_interesting (this, "send");
102 _amp.reset (new Amp (_session));
103 _meter.reset (new PeakMeter (_session));
105 add_control (_amp->gain_control ());
110 _session.unmark_send_id (_bitslot);
119 Processor::activate ();
126 _meter->deactivate ();
129 Processor::deactivate ();
133 Send::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
135 if (_output->n_ports() == ChanCount::ZERO) {
137 _active = _pending_active;
141 if (!_active && !_pending_active) {
143 _output->silence (nframes);
144 _active = _pending_active;
148 // we have to copy the input, because deliver_output() may alter the buffers
149 // in-place, which a send must never do.
151 BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
152 sendbufs.read_from (bufs, nframes);
153 assert(sendbufs.count() == bufs.count());
157 // Can't automate gain for sends or returns yet because we need different buffers
158 // so that we don't overwrite the main automation data for the route amp
159 // _amp->setup_gain_automation (start_frame, end_frame, nframes);
160 _amp->run (sendbufs, start_frame, end_frame, nframes, true);
162 /* deliver to outputs */
164 Delivery::run (sendbufs, start_frame, end_frame, nframes, true);
166 /* consider metering */
169 if (_amp->gain_control()->get_value() == 0) {
172 _meter->run (*_output_buffers, start_frame, end_frame, nframes, true);
176 /* _active was set to _pending_active by Delivery::run() */
180 Send::get_state(void)
186 Send::state (bool full)
188 XMLNode& node = Delivery::state(full);
191 node.add_property ("type", "send");
192 snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
194 if (_role != Listen) {
195 node.add_property ("bitslot", buf);
198 node.add_child_nocopy (_amp->state (full));
204 Send::set_state (const XMLNode& node, int version)
206 if (version < 3000) {
207 return set_state_2X (node, version);
210 const XMLProperty* prop;
212 Delivery::set_state (node, version);
214 if (node.property ("ignore-bitslot") == 0) {
216 /* don't try to reset bitslot if there is a node for it already: this can cause
217 issues with the session's accounting of send ID's
220 if ((prop = node.property ("bitslot")) == 0) {
221 if (_role == Delivery::Aux) {
222 _bitslot = _session.next_aux_send_id ();
223 } else if (_role == Delivery::Send) {
224 _bitslot = _session.next_send_id ();
226 // bitslot doesn't matter but make it zero anyway
230 if (_role == Delivery::Aux) {
231 _session.unmark_aux_send_id (_bitslot);
232 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
233 _session.mark_aux_send_id (_bitslot);
234 } else if (_role == Delivery::Send) {
235 _session.unmark_send_id (_bitslot);
236 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
237 _session.mark_send_id (_bitslot);
239 // bitslot doesn't matter but make it zero anyway
245 XMLNodeList nlist = node.children();
246 for (XMLNodeIterator i = nlist.begin(); i != nlist.end(); ++i) {
247 if ((*i)->name() == X_("Processor")) {
248 _amp->set_state (**i, version);
256 Send::set_state_2X (const XMLNode& node, int /* version */)
258 /* use the IO's name for the name of the send */
259 XMLNodeList const & children = node.children ();
261 XMLNodeList::const_iterator i = children.begin();
262 while (i != children.end() && (*i)->name() != X_("Redirect")) {
266 if (i == children.end()) {
270 XMLNodeList const & grand_children = (*i)->children ();
271 XMLNodeList::const_iterator j = grand_children.begin ();
272 while (j != grand_children.end() && (*j)->name() != X_("IO")) {
276 if (j == grand_children.end()) {
280 XMLProperty const * prop = (*j)->property (X_("name"));
285 set_name (prop->value ());
291 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
293 /* sends have no impact at all on the channel configuration of the
294 streams passing through the route. so, out == in.
301 /** Caller must hold process lock */
303 Send::configure_io (ChanCount in, ChanCount out)
305 if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) {
309 if (!Processor::configure_io (in, out)) {
318 /** Set up the XML description of a send so that we will not
319 * reset its name or bitslot during ::set_state()
320 * @param state XML send state.
321 * @param session Session.
324 Send::make_unique (XMLNode &state)
326 state.add_property ("ignore-bitslot", "1");
327 state.add_property ("ignore-name", "1");
331 Send::set_name (const string& new_name)
335 if (_role == Delivery::Send) {
338 /* rip any existing numeric part of the name, and append the bitslot
341 string::size_type last_letter = new_name.find_last_not_of ("0123456789");
343 if (last_letter != string::npos) {
344 unique_name = new_name.substr (0, last_letter + 1);
346 unique_name = new_name;
349 snprintf (buf, sizeof (buf), "%u", (_bitslot + 1));
353 unique_name = new_name;
356 return Delivery::set_name (unique_name);
360 Send::display_to_user () const
362 /* we ignore Deliver::_display_to_user */
364 if (_role == Listen) {
365 /* don't make the monitor/control/listen send visible */
373 Send::value_as_string (boost::shared_ptr<AutomationControl> ac) const
375 return _amp->value_as_string (ac);