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;
42 Send::Send (Session& s, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, Role r)
43 : Delivery (s, p, mm, string_compose (_("send %1"), (_bitslot = s.next_send_id()) + 1), r)
46 boost_debug_shared_ptr_mark_interesting (this, "send");
48 _amp.reset (new Amp (_session));
49 _meter.reset (new PeakMeter (_session));
54 _session.unmark_send_id (_bitslot);
63 Processor::activate ();
70 _meter->deactivate ();
73 Processor::deactivate ();
77 Send::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
79 if (_output->n_ports() == ChanCount::ZERO) {
81 _active = _pending_active;
85 if (!_active && !_pending_active) {
87 _output->silence (nframes);
88 _active = _pending_active;
92 // we have to copy the input, because deliver_output() may alter the buffers
93 // in-place, which a send must never do.
95 BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
96 sendbufs.read_from (bufs, nframes);
97 assert(sendbufs.count() == bufs.count());
101 // Can't automate gain for sends or returns yet because we need different buffers
102 // so that we don't overwrite the main automation data for the route amp
103 // _amp->setup_gain_automation (start_frame, end_frame, nframes);
104 _amp->run (sendbufs, start_frame, end_frame, nframes, true);
106 /* deliver to outputs */
108 Delivery::run (sendbufs, start_frame, end_frame, nframes, true);
110 /* consider metering */
113 if (_amp->gain_control()->get_value() == 0) {
116 _meter->run (*_output_buffers, start_frame, end_frame, nframes, true);
120 /* _active was set to _pending_active by Delivery::run() */
124 Send::get_state(void)
130 Send::state (bool full)
132 XMLNode& node = Delivery::state(full);
135 node.add_property ("type", "send");
136 snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
137 node.add_property ("bitslot", buf);
139 node.add_child_nocopy (_amp->state (full));
145 Send::set_state (const XMLNode& node, int version)
147 if (version < 3000) {
148 return set_state_2X (node, version);
151 const XMLProperty* prop;
153 Delivery::set_state (node, version);
155 /* don't try to reset bitslot if its already set: this can cause
156 issues with the session's accounting of send ID's
159 if ((prop = node.property ("bitslot")) == 0) {
160 _bitslot = _session.next_send_id();
162 _session.unmark_send_id (_bitslot);
163 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
164 _session.mark_send_id (_bitslot);
167 XMLNodeList nlist = node.children();
168 for (XMLNodeIterator i = nlist.begin(); i != nlist.end(); ++i) {
169 if ((*i)->name() == X_("Processor")) {
170 _amp->set_state (**i, version);
178 Send::set_state_2X (const XMLNode& node, int /* version */)
180 /* use the IO's name for the name of the send */
181 XMLNodeList const & children = node.children ();
183 XMLNodeList::const_iterator i = children.begin();
184 while (i != children.end() && (*i)->name() != X_("Redirect")) {
188 if (i == children.end()) {
192 XMLNodeList const & grand_children = (*i)->children ();
193 XMLNodeList::const_iterator j = grand_children.begin ();
194 while (j != grand_children.end() && (*j)->name() != X_("IO")) {
198 if (j == grand_children.end()) {
202 XMLProperty const * prop = (*j)->property (X_("name"));
207 set_name (prop->value ());
213 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
215 /* sends have no impact at all on the channel configuration of the
216 streams passing through the route. so, out == in.
223 /** Caller must hold process lock */
225 Send::configure_io (ChanCount in, ChanCount out)
227 if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) {
231 if (!Processor::configure_io (in, out)) {
240 /** Set up the XML description of a send so that its name is unique.
241 * @param state XML send state.
242 * @param session Session.
245 Send::make_unique (XMLNode &state, Session &session)
247 uint32_t const bitslot = session.next_send_id() + 1;
250 snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
251 state.property("bitslot")->set_value (buf);
253 string const name = string_compose (_("send %1"), bitslot);
255 state.property("name")->set_value (name);
257 XMLNode* io = state.child ("IO");
260 io->property("name")->set_value (name);
265 Send::set_name (const string& new_name)
269 if (_role == Delivery::Send) {
272 /* rip any existing numeric part of the name, and append the bitslot
275 string::size_type last_letter = new_name.find_last_not_of ("0123456789");
277 if (last_letter != string::npos) {
278 unique_name = new_name.substr (0, last_letter + 1);
280 unique_name = new_name;
283 snprintf (buf, sizeof (buf), "%u", (_bitslot + 1));
287 unique_name = new_name;
290 return Delivery::set_name (unique_name);
294 Send::display_to_user () const
296 /* we ignore Deliver::_display_to_user */
298 if (_role == Listen) {
299 /* don't make the monitor/control/listen send visible */