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, bool internal)
40 : Delivery (s, mm, string_compose (_("send %1"), (_bitslot = s.next_send_id()) + 1),
41 (internal ? Delivery::Listen : Delivery::Send))
44 _amp.reset (new Amp (_session, _mute_master));
45 _meter.reset (new PeakMeter (_session));
47 ProcessorCreated (this); /* EMIT SIGNAL */
50 Send::Send (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node, bool internal)
51 : Delivery (s, mm, "send", (internal ? Delivery::Listen : Delivery::Send))
54 _amp.reset (new Amp (_session, _mute_master));
55 _meter.reset (new PeakMeter (_session));
57 if (set_state (node)) {
58 throw failed_constructor();
61 ProcessorCreated (this); /* EMIT SIGNAL */
70 Send::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
72 if (!_active || _output->n_ports() == ChanCount::ZERO) {
77 // we have to copy the input, because deliver_output() may alter the buffers
78 // in-place, which a send must never do.
80 BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
81 sendbufs.read_from (bufs, nframes);
82 assert(sendbufs.count() == bufs.count());
86 // Can't automate gain for sends or returns yet because we need different buffers
87 // so that we don't overwrite the main automation data for the route amp
88 // _amp->setup_gain_automation (start_frame, end_frame, nframes);
89 _amp->run (sendbufs, start_frame, end_frame, nframes);
91 /* deliver to outputs */
93 Delivery::run (sendbufs, start_frame, end_frame, nframes);
95 /* consider metering */
98 if (_amp->gain_control()->get_value() == 0) {
101 _meter->run (*_output_buffers, start_frame, end_frame, nframes);
107 Send::get_state(void)
113 Send::state(bool full)
115 XMLNode& node = Delivery::state(full);
118 node.add_property ("type", "send");
119 snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
120 node.add_property ("bitslot", buf);
126 Send::set_state(const XMLNode& node)
128 XMLNodeList nlist = node.children();
129 XMLNodeIterator niter;
130 const XMLProperty* prop;
132 if ((prop = node.property ("bitslot")) == 0) {
133 _bitslot = _session.next_send_id();
135 sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
136 _session.mark_send_id (_bitslot);
139 const XMLNode* insert_node = &node;
141 /* XXX need to load automation state & data for amp */
143 Delivery::set_state (*insert_node);
149 Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
151 if (_output->n_ports() == ChanCount::ZERO) {
153 /* not configured yet, we can support anything */
156 return true; /* we can support anything the first time we're asked */
160 /* for a send, processor input corresponds to IO output */
169 /** Set up the XML description of a send so that its name is unique.
170 * @param state XML send state.
171 * @param session Session.
174 Send::make_unique (XMLNode &state, Session &session)
176 uint32_t const bitslot = session.next_send_id() + 1;
179 snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
180 state.property("bitslot")->set_value (buf);
182 std::string const name = string_compose (_("send %1"), bitslot);
184 state.property("name")->set_value (name);
186 XMLNode* io = state.child ("IO");
188 io->property("name")->set_value (name);
193 Send::set_name (const std::string& new_name)
196 std::string unique_name;
198 snprintf (buf, sizeof (buf), "%u", _bitslot);
199 unique_name = new_name;
202 return Delivery::set_name (unique_name);