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/send.h>
26 #include <ardour/session.h>
27 #include <ardour/port.h>
31 using namespace ARDOUR;
34 Send::Send (Session& s, Placement p)
35 : Redirect (s, s.next_send_name(), p)
39 RedirectCreated (this); /* EMIT SIGNAL */
42 Send::Send (Session& s, const XMLNode& node)
43 : Redirect (s, "send", PreFader)
48 if (set_state (node)) {
49 throw failed_constructor();
52 RedirectCreated (this); /* EMIT SIGNAL */
55 Send::Send (const Send& other)
56 : Redirect (other._session, other._session.next_send_name(), other.placement())
61 RedirectCreated (this); /* EMIT SIGNAL */
76 Send::state(bool full)
78 XMLNode *node = new XMLNode("Send");
79 node->add_child_nocopy (Redirect::state (full));
84 Send::set_state(const XMLNode& node)
86 XMLNodeList nlist = node.children();
87 XMLNodeIterator niter;
89 /* Send has regular IO automation (gain, pan) */
91 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
92 if ((*niter)->name() == Redirect::state_node_name) {
93 Redirect::set_state (**niter);
95 } else if ((*niter)->name() == X_("Automation")) {
96 IO::set_automation_state (*(*niter));
100 if (niter == nlist.end()) {
101 error << _("XML node describing a send is missing a Redirect node") << endmsg;
109 Send::run (vector<Sample *>& bufs, uint32_t nbufs, nframes_t nframes, nframes_t offset)
113 // we have to copy the input, because IO::deliver_output may alter the buffers
114 // in-place, which a send must never do.
116 vector<Sample*>& sendbufs = _session.get_send_buffers();
118 for (size_t i=0; i < nbufs; ++i) {
119 memcpy (sendbufs[i], bufs[i], sizeof (Sample) * nframes);
123 IO::deliver_output (sendbufs, nbufs, nframes, offset);
127 uint32_t no = n_outputs();
131 for (n = 0; n < no; ++n) {
137 for (n = 0; n < no; ++n) {
138 _peak_power[n] = Session::compute_peak (output(n)->get_buffer(nframes) + offset, nframes, _peak_power[n]);
144 silence (nframes, offset);
148 uint32_t no = n_outputs();
150 for (n = 0; n < no; ++n) {
158 Send::set_metering (bool yn)
163 /* XXX possible thread hazard here */
164 reset_peak_meters ();
169 Send::expect_inputs (uint32_t expected)
171 if (expected != expected_inputs) {
172 expected_inputs = expected;