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livetrax/libs/backends/wavesaudio/waves_dataport.cc

144 lines
3.6 KiB
C++

/*
Copyright (C) 2014 Waves Audio Ltd.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <iostream>
#include "waves_dataport.h"
using namespace ARDOUR;
WavesDataPort::WavesDataPort (const std::string& inport_name, PortFlags inflags)
: _name (inport_name)
, _flags (inflags)
{
_capture_latency_range.min =
_capture_latency_range.max =
_playback_latency_range.min =
_playback_latency_range.max = 0;
}
WavesDataPort::~WavesDataPort ()
{
disconnect_all ();
}
int WavesDataPort::connect (WavesDataPort *port)
{
if (!port) {
std::cerr << "WavesDataPort::connect (): invalid (null) port to connect to!" << std::endl;
return -1;
}
if (type () != port->type ()) {
std::cerr << "WavesDataPort::connect (): wrong type of the port to connect to!" << std::endl;
return -1;
}
if (is_output () && port->is_output ()) {
std::cerr << "WavesDataPort::connect (): attempt to connect output port to output port!" << std::endl;
return -1;
}
if (is_input () && port->is_input ()) {
std::cerr << "WavesDataPort::connect (): attempt to connect input port to input port!" << std::endl;
return -1;
}
if (this == port) {
std::cerr << "WavesDataPort::connect (): attempt to connect port to itself!" << std::endl;
return -1;
}
if (is_connected (port)) {
std::cerr << "WavesDataPort::connect (): the ports are already connected!" << std::endl;
return -1;
}
_connect (port, true);
return 0;
}
void WavesDataPort::_connect (WavesDataPort *port, bool api_call)
{
_connections.push_back (port);
if (api_call) {
port->_connect (this, false);
}
}
int WavesDataPort::disconnect (WavesDataPort *port)
{
if (port == NULL) {
std::cerr << "WavesDataPort::disconnect (): invalid (null) port to disconnect from!" << std::endl;
return -1;
}
if (!is_connected (port)) {
std::cerr << "WavesDataPort::disconnect (): the ports are not connected!" << std::endl;
return -1;
}
_disconnect (port, true);
return 0;
}
void WavesDataPort::_disconnect (WavesDataPort *port, bool api_call)
{
std::vector<WavesDataPort*>::iterator it = std::find (_connections.begin (), _connections.end (), port);
if (it != _connections.end ()) { // actually, it's supposed to be always true.
_connections.erase (it);
}
if (api_call) {
port->_disconnect (this, false);
}
if (is_input() && _connections.empty())
{
_wipe_buffer();
}
}
void WavesDataPort::disconnect_all ()
{
while (!_connections.empty ()) {
_connections.back ()->_disconnect (this, false);
_connections.pop_back ();
}
}
bool WavesDataPort::is_physically_connected () const
{
for (std::vector<WavesDataPort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
if ((*it)->is_physical ()) {
return true;
}
}
return false;
}