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/send.h>
25 #include <ardour/session.h>
26 #include <ardour/port.h>
30 using namespace ARDOUR;
33 Send::Send (Session& s, Placement p)
34 : Redirect (s, string_compose (_("send %1"), (bitslot = s.next_send_id()) + 1), p)
38 RedirectCreated (this); /* EMIT SIGNAL */
41 Send::Send (Session& s, const XMLNode& node)
42 : Redirect (s, "send", PreFader)
47 if (set_state (node)) {
48 throw failed_constructor();
51 RedirectCreated (this); /* EMIT SIGNAL */
54 Send::Send (const Send& other)
55 : Redirect (other._session, string_compose (_("send %1"), (bitslot = other._session.next_send_id()) + 1), other.placement())
60 RedirectCreated (this); /* EMIT SIGNAL */
75 Send::state(bool full)
77 XMLNode *node = new XMLNode("Send");
79 node->add_child_nocopy (Redirect::state (full));
80 snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
81 node->add_property ("bitslot", buf);
86 Send::set_state(const XMLNode& node)
88 XMLNodeList nlist = node.children();
89 XMLNodeIterator niter;
90 const XMLProperty* prop;
92 if ((prop = node.property ("bitslot")) == 0) {
93 bitslot = _session.next_send_id();
95 sscanf (prop->value().c_str(), "%" PRIu32, &bitslot);
96 _session.mark_send_id (bitslot);
99 /* Send has regular IO automation (gain, pan) */
101 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
102 if ((*niter)->name() == Redirect::state_node_name) {
103 Redirect::set_state (**niter);
105 } else if ((*niter)->name() == X_("Automation")) {
106 IO::set_automation_state (*(*niter));
110 if (niter == nlist.end()) {
111 error << _("XML node describing a send is missing a Redirect node") << endmsg;
119 Send::run (vector<Sample *>& bufs, uint32_t nbufs, nframes_t nframes, nframes_t offset)
123 // we have to copy the input, because IO::deliver_output may alter the buffers
124 // in-place, which a send must never do.
126 vector<Sample*>& sendbufs = _session.get_send_buffers();
128 for (size_t i=0; i < nbufs; ++i) {
129 memcpy (sendbufs[i], bufs[i], sizeof (Sample) * nframes);
133 IO::deliver_output (sendbufs, nbufs, nframes, offset);
137 uint32_t no = n_outputs();
141 for (n = 0; n < no; ++n) {
147 for (n = 0; n < no; ++n) {
148 _peak_power[n] = Session::compute_peak (output(n)->get_buffer(nframes) + offset, nframes, _peak_power[n]);
154 silence (nframes, offset);
158 uint32_t no = n_outputs();
160 for (n = 0; n < no; ++n) {
168 Send::set_metering (bool yn)
173 /* XXX possible thread hazard here */
174 reset_peak_meters ();
179 Send::expect_inputs (uint32_t expected)
181 if (expected != expected_inputs) {
182 expected_inputs = expected;