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0569107ddc
git-svn-id: svn://localhost/ardour2/branches/3.0@5074 d708f5d6-7413-0410-9779-e7cbd77b26cf
177 lines
4 KiB
C++
177 lines
4 KiB
C++
/*
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Copyright (C) 2000 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <algorithm>
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#include "pbd/xml++.h"
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#include "ardour/send.h"
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#include "ardour/session.h"
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#include "ardour/port.h"
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#include "ardour/audio_port.h"
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#include "ardour/buffer_set.h"
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#include "ardour/meter.h"
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#include "ardour/panner.h"
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#include "ardour/io.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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Send::Send (Session& s)
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: Delivery (s, string_compose (_("send %1"), (_bitslot = s.next_send_id()) + 1), Delivery::Send)
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{
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ProcessorCreated (this); /* EMIT SIGNAL */
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}
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Send::Send (Session& s, const XMLNode& node)
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: Delivery (s, "send", Delivery::Send)
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{
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if (set_state (node)) {
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throw failed_constructor();
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}
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ProcessorCreated (this); /* EMIT SIGNAL */
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}
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Send::~Send ()
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{
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GoingAway ();
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}
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XMLNode&
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Send::get_state(void)
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{
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return state (true);
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}
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XMLNode&
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Send::state(bool full)
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{
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XMLNode& node = IOProcessor::state(full);
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char buf[32];
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node.add_property ("type", "send");
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snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot);
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node.add_property ("bitslot", buf);
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return node;
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}
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int
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Send::set_state(const XMLNode& node)
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{
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XMLNodeList nlist = node.children();
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XMLNodeIterator niter;
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const XMLProperty* prop;
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if ((prop = node.property ("bitslot")) == 0) {
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_bitslot = _session.next_send_id();
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} else {
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sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot);
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_session.mark_send_id (_bitslot);
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}
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const XMLNode* insert_node = &node;
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/* Send has regular IO automation (gain, pan) */
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for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
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if ((*niter)->name() == IOProcessor::state_node_name) {
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insert_node = *niter;
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} else if ((*niter)->name() == X_("Automation")) {
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// _io->set_automation_state (*(*niter), Evoral::Parameter(GainAutomation));
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}
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}
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IOProcessor::set_state (*insert_node);
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return 0;
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}
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bool
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Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
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{
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if (_io->input_maximum() == ChanCount::INFINITE
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&& _io->output_maximum() == ChanCount::INFINITE) {
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/* not configured yet, we can support anything */
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out = in;
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return true; /* we can support anything the first time we're asked */
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} else {
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/* for a send, processor input corresponds to IO output */
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if (_io->output_maximum() == in) {
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out = in;
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return true;
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}
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}
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return false;
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}
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bool
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Send::configure_io (ChanCount in, ChanCount out)
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{
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/* we're transparent no matter what. fight the power. */
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if (out != in) {
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return false;
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}
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/*_io->set_output_maximum (in);
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_io->set_output_minimum (in);
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_io->set_input_maximum (ChanCount::ZERO);
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_io->set_input_minimum (ChanCount::ZERO);*/
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if (_io->ensure_io (ChanCount::ZERO, in, false, this) != 0) {
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return false;
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}
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Processor::configure_io(in, out);
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_io->reset_panner();
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return true;
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}
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/** Set up the XML description of a send so that its name is unique.
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* @param state XML send state.
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* @param session Session.
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*/
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void
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Send::make_unique (XMLNode &state, Session &session)
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{
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uint32_t const bitslot = session.next_send_id() + 1;
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char buf[32];
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snprintf (buf, sizeof (buf), "%" PRIu32, bitslot);
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state.property("bitslot")->set_value (buf);
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std::string const name = string_compose (_("send %1"), bitslot);
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state.property("name")->set_value (name);
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XMLNode* io = state.child ("IO");
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if (io) {
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io->property("name")->set_value (name);
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}
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}
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