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/send.h"
27 #include "ardour/session.h"
28 #include "ardour/port.h"
29 #include "ardour/audio_port.h"
30 #include "ardour/buffer_set.h"
31 #include "ardour/meter.h"
32 #include "ardour/panner.h"
33 #include "ardour/io.h"
37 using namespace ARDOUR;
41 Send::Send (Session& s, boost::shared_ptr<MuteMaster> mm, Role r)
42 : Delivery (s, mm, string_compose (_("send %1"), (_bitslot = s.next_send_id()) + 1), r)
45 _amp.reset (new Amp (_session, _mute_master));
46 _meter.reset (new PeakMeter (_session));
48 ProcessorCreated (this); /* EMIT SIGNAL */
51 Send::Send (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node, int version, Role r)
52 : Delivery (s, mm, "send", r)
55 _amp.reset (new Amp (_session, _mute_master));
56 _meter.reset (new PeakMeter (_session));
58 if (set_state (node, version)) {
59 throw failed_constructor();
62 ProcessorCreated (this); /* EMIT SIGNAL */
76 Processor::activate ();
83 _meter->deactivate ();
86 Processor::deactivate ();
90 Send::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool)
92 if (_output->n_ports() == ChanCount::ZERO) {
94 _active = _pending_active;
98 if (!_active && !_pending_active) {
100 _output->silence (nframes);
101 _active = _pending_active;
105 // we have to copy the input, because deliver_output() may alter the buffers
106 // in-place, which a send must never do.
108 BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
109 sendbufs.read_from (bufs, nframes);
110 assert(sendbufs.count() == bufs.count());
114 // Can't automate gain for sends or returns yet because we need different buffers
115 // so that we don't overwrite the main automation data for the route amp
116 // _amp->setup_gain_automation (start_frame, end_frame, nframes);
117 _amp->run (sendbufs, start_frame, end_frame, nframes, true);
119 /* deliver to outputs */
121 Delivery::run (sendbufs, start_frame, end_frame, nframes, true);
123 /* consider metering */
126 if (_amp->gain_control()->get_value() == 0) {
129 _meter->run (*_output_buffers, start_frame, end_frame, nframes, true);
133 /* _active was set to _pending_active by Delivery::run() */
137 Send::get_state(void)
143 Send::state(bool full)
145 XMLNode& node = Delivery::state(full);
148 node.add_property ("type", "send");
149 snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
150 node.add_property ("bitslot", buf);
156 Send::set_state (const XMLNode& node, int version)
158 XMLNodeList nlist = node.children();
159 XMLNodeIterator niter;
160 const XMLProperty* prop;
162 if ((prop = node.property ("bitslot")) == 0) {
163 _bitslot = _session.next_send_id();
165 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
166 cerr << this << " scanned " << prop->value() << " to get " << _bitslot << endl;
167 _session.mark_send_id (_bitslot);
170 const XMLNode* insert_node = &node;
172 /* XXX need to load automation state & data for amp */
174 Delivery::set_state (*insert_node, version);
180 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
182 /* sends have no impact at all on the channel configuration of the
183 streams passing through the route. so, out == in.
191 Send::configure_io (ChanCount in, ChanCount out)
193 if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) {
197 if (!Processor::configure_io (in, out)) {
206 /** Set up the XML description of a send so that its name is unique.
207 * @param state XML send state.
208 * @param session Session.
211 Send::make_unique (XMLNode &state, Session &session)
213 uint32_t const bitslot = session.next_send_id() + 1;
216 snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
217 state.property("bitslot")->set_value (buf);
219 string const name = string_compose (_("send %1"), bitslot);
221 state.property("name")->set_value (name);
223 XMLNode* io = state.child ("IO");
226 io->property("name")->set_value (name);
231 Send::set_name (const string& new_name)
235 if (_role == Delivery::Send) {
238 /* rip any existing numeric part of the name, and append the bitslot
241 string::size_type last_letter = new_name.find_last_not_of ("0123456789");
243 if (last_letter != string::npos) {
244 unique_name = new_name.substr (0, last_letter + 1);
246 unique_name = new_name;
249 snprintf (buf, sizeof (buf), "%u", (_bitslot + 1));
253 unique_name = new_name;
256 return Delivery::set_name (unique_name);
260 Send::display_to_user () const
262 /* we ignore Deliver::_display_to_user */
264 if (_role == Listen) {