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.
22 #include "pbd/xml++.h"
24 #include "ardour/amp.h"
25 #include "ardour/send.h"
26 #include "ardour/session.h"
27 #include "ardour/port.h"
28 #include "ardour/audio_port.h"
29 #include "ardour/buffer_set.h"
30 #include "ardour/meter.h"
31 #include "ardour/panner.h"
32 #include "ardour/io.h"
36 using namespace ARDOUR;
39 Send::Send (Session& s, boost::shared_ptr<MuteMaster> mm)
40 : Delivery (s, mm, string_compose (_("send %1"), (_bitslot = s.next_send_id()) + 1), Delivery::Send)
43 _amp.reset (new Amp (_session, _mute_master));
44 _meter.reset (new PeakMeter (_session));
46 ProcessorCreated (this); /* EMIT SIGNAL */
49 Send::Send (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
50 : Delivery (s, mm, "send", Delivery::Send)
53 _amp.reset (new Amp (_session, _mute_master));
54 _meter.reset (new PeakMeter (_session));
56 if (set_state (node)) {
57 throw failed_constructor();
60 ProcessorCreated (this); /* EMIT SIGNAL */
69 Send::run_in_place (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
71 if (!_active || _output->n_ports() == ChanCount::ZERO) {
76 // we have to copy the input, because deliver_output() may alter the buffers
77 // in-place, which a send must never do.
79 BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
80 sendbufs.read_from (bufs, nframes);
81 assert(sendbufs.count() == bufs.count());
85 // Can't automate gain for sends or returns yet because we need different buffers
86 // so that we don't overwrite the main automation data for the route amp
87 // _amp->setup_gain_automation (start_frame, end_frame, nframes);
88 _amp->run_in_place (sendbufs, start_frame, end_frame, nframes);
90 /* deliver to outputs */
92 Delivery::run_in_place (sendbufs, start_frame, end_frame, nframes);
94 /* consider metering */
97 if (_amp->gain_control()->get_value() == 0) {
100 _meter->run_in_place (*_output_buffers, start_frame, end_frame, nframes);
106 Send::get_state(void)
112 Send::state(bool full)
114 XMLNode& node = IOProcessor::state(full);
116 node.add_property ("type", "send");
117 snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
118 node.add_property ("bitslot", buf);
124 Send::set_state(const XMLNode& node)
126 XMLNodeList nlist = node.children();
127 XMLNodeIterator niter;
128 const XMLProperty* prop;
130 if ((prop = node.property ("bitslot")) == 0) {
131 _bitslot = _session.next_send_id();
133 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
134 _session.mark_send_id (_bitslot);
137 const XMLNode* insert_node = &node;
139 /* XXX need to load automation state & data for amp */
141 Delivery::set_state (*insert_node);
147 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
149 if (_output->n_ports() == ChanCount::ZERO) {
151 /* not configured yet, we can support anything */
154 return true; /* we can support anything the first time we're asked */
158 /* for a send, processor input corresponds to IO output */
167 /** Set up the XML description of a send so that its name is unique.
168 * @param state XML send state.
169 * @param session Session.
172 Send::make_unique (XMLNode &state, Session &session)
174 uint32_t const bitslot = session.next_send_id() + 1;
177 snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
178 state.property("bitslot")->set_value (buf);
180 std::string const name = string_compose (_("send %1"), bitslot);
182 state.property("name")->set_value (name);
184 XMLNode* io = state.child ("IO");
186 io->property("name")->set_value (name);
191 Send::set_name (const std::string& new_name)
194 std::string unique_name;
196 snprintf (buf, sizeof (buf), "%u", _bitslot);
197 unique_name = new_name;
200 return Delivery::set_name (unique_name);