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/*
Copyright (C) 2006,2007 John Anderson
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 <sstream>
#include <cstring>
#include <cerrno>
#include <sigc++/sigc++.h>
#include <boost/shared_array.hpp>
#include "midi++/types.h"
#include "midi++/port.h"
#include "midi++/jack_midi_port.h"
#include "midi++/ipmidi_port.h"
#include "midi++/manager.h"
#include "ardour/debug.h"
#include "ardour/rc_configuration.h"
#include "ardour/session.h"
#include "ardour/audioengine.h"
#include "controls.h"
#include "mackie_control_protocol.h"
#include "surface.h"
#include "surface_port.h"
#include "i18n.h"
using namespace std;
using namespace Mackie;
using namespace PBD;
/** @param input_port Input MIDI::Port; this object takes responsibility for
* adding & removing it from the MIDI::Manager and destroying it. @param
* output_port Output MIDI::Port; responsibility similarly taken.
*/
SurfacePort::SurfacePort (Surface& s)
: _surface (&s)
{
if (_surface->mcp().device_info().uses_ipmidi()) {
_input_port = new MIDI::IPMIDIPort (MIDI::IPMIDIPort::lowest_ipmidi_port_default+_surface->number());
_output_port = _input_port;
} else {
jack_client_t* jack = MackieControlProtocol::instance()->get_session().engine().jack();
_input_port = new MIDI::JackMIDIPort (string_compose (_("%1 in"), _surface->name()), MIDI::Port::IsInput, jack);
_output_port =new MIDI::JackMIDIPort (string_compose (_("%1 out"), _surface->name()), MIDI::Port::IsOutput, jack);
/* MackieControl has its own thread for handling input from the input
* port, and we don't want anything handling output from the output
* port. This stops the Generic MIDI UI event loop in ardour from
* attempting to handle these ports.
*/
_input_port->set_centrally_parsed (false);
_output_port->set_centrally_parsed (false);
MIDI::Manager * mm = MIDI::Manager::instance();
mm->add_port (_input_port);
mm->add_port (_output_port);
}
}
SurfacePort::~SurfacePort()
{
if (_surface->mcp().device_info().uses_ipmidi()) {
delete _input_port;
} else {
MIDI::Manager* mm = MIDI::Manager::instance ();
if (_input_port) {
mm->remove_port (_input_port);
delete _input_port;
}
if (_output_port) {
_output_port->drain (10000);
mm->remove_port (_output_port);
delete _output_port;
}
}
}
// wrapper for one day when strerror_r is working properly
string fetch_errmsg (int error_number)
{
char * msg = strerror (error_number);
return msg;
}
int
SurfacePort::write (const MidiByteArray & mba)
{
if (mba.empty()) {
return 0;
}
DEBUG_TRACE (DEBUG::MackieControl, string_compose ("port %1 write %2\n", output_port().name(), mba));
int count = output_port().write (mba.bytes().get(), mba.size(), 0);
if (count != (int)mba.size()) {
if (errno == 0) {
cout << "port overflow on " << output_port().name() << ". Did not write all of " << mba << endl;
} else if (errno != EAGAIN) {
ostringstream os;
os << "Surface: couldn't write to port " << output_port().name();
os << ", error: " << fetch_errmsg (errno) << "(" << errno << ")";
cout << os.str() << endl;
}
return -1;
}
return 0;
}
ostream &
Mackie::operator << (ostream & os, const SurfacePort & port)
{
os << "{ ";
os << "name: " << port.input_port().name() << " " << port.output_port().name();
os << "; ";
os << " }";
return os;
}
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