103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
/*
|
|
* Copyright (C) 2016-2017 Paul Davis <paul@linuxaudiosystems.com>
|
|
* Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <algorithm>
|
|
|
|
#include "pbd/xml++.h"
|
|
|
|
#include "ardour/audioengine.h"
|
|
#include "ardour/buffer.h"
|
|
#include "ardour/buffer_set.h"
|
|
#include "ardour/io.h"
|
|
#include "ardour/session.h"
|
|
#include "ardour/sidechain.h"
|
|
|
|
#include "pbd/i18n.h"
|
|
|
|
using namespace ARDOUR;
|
|
using namespace PBD;
|
|
|
|
|
|
SideChain::SideChain (Session& s, const std::string& name)
|
|
: IOProcessor (s, true, false, name)
|
|
{
|
|
}
|
|
|
|
SideChain::~SideChain ()
|
|
{
|
|
disconnect ();
|
|
}
|
|
|
|
XMLNode&
|
|
SideChain::state ()
|
|
{
|
|
XMLNode& node = IOProcessor::state ();
|
|
node.set_property ("type", "sidechain");
|
|
return node;
|
|
}
|
|
|
|
|
|
int
|
|
SideChain::set_state (const XMLNode& node, int version)
|
|
{
|
|
IOProcessor::set_state (node, version);
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
SideChain::run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double /*speed*/, pframes_t nframes, bool)
|
|
{
|
|
if (_input->n_ports () == ChanCount::ZERO) {
|
|
// inplace pass-through
|
|
return;
|
|
}
|
|
|
|
if (!_active && !_pending_active) {
|
|
// zero buffers
|
|
for (DataType::iterator t = DataType::begin (); t != DataType::end (); ++t) {
|
|
for (uint32_t out = _configured_input.get (*t); out < bufs.count ().get (*t); ++out) {
|
|
bufs.get_available (*t, out).silence (nframes);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
_input->collect_input (bufs, nframes, _configured_input);
|
|
bufs.set_count (_configured_output);
|
|
|
|
_active = _pending_active;
|
|
}
|
|
|
|
bool
|
|
SideChain::can_support_io_configuration (const ChanCount& in, ChanCount& out)
|
|
{
|
|
out = in + _input->n_ports ();
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
SideChain::configure_io (ChanCount in, ChanCount out)
|
|
{
|
|
if (out != in + _input->n_ports ()) {
|
|
/* disabled for now - see PluginInsert::configure_io() */
|
|
// return false;
|
|
}
|
|
return Processor::configure_io (in, out);
|
|
}
|