2 Copyright (C) 2006,2007 John Anderson
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.
23 #include <sigc++/sigc++.h>
24 #include <boost/shared_array.hpp>
26 #include "pbd/failed_constructor.h"
28 #include "midi++/types.h"
29 #include "midi++/ipmidi_port.h"
31 #include "ardour/async_midi_port.h"
32 #include "ardour/debug.h"
33 #include "ardour/rc_configuration.h"
34 #include "ardour/session.h"
35 #include "ardour/audioengine.h"
36 #include "ardour/async_midi_port.h"
37 #include "ardour/midiport_manager.h"
40 #include "mackie_control_protocol.h"
42 #include "surface_port.h"
48 using namespace ARDOUR;
49 using namespace ArdourSurface;
50 using namespace Mackie;
52 SurfacePort::SurfacePort (Surface& s)
55 if (_surface->mcp().device_info().uses_ipmidi()) {
56 _input_port = new MIDI::IPMIDIPort (_surface->mcp().ipmidi_base() +_surface->number());
57 _output_port = _input_port;
61 _async_in = AudioEngine::instance()->register_input_port (DataType::MIDI, string_compose (_("%1 in"), _surface->name()), true);
62 _async_out = AudioEngine::instance()->register_output_port (DataType::MIDI, string_compose (_("%1 out"), _surface->name()), true);
64 if (_async_in == 0 || _async_out == 0) {
65 throw failed_constructor();
68 _input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_in).get();
69 _output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_out).get();
73 SurfacePort::~SurfacePort()
75 if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
80 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("unregistering input port %1\n", _async_in->name()));
81 AudioEngine::instance()->unregister_port (_async_in);
82 _async_in.reset ((ARDOUR::Port*) 0);
86 _output_port->drain (10000);
87 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("unregistering output port %1\n", _async_out->name()));
88 AudioEngine::instance()->unregister_port (_async_out);
89 _async_out.reset ((ARDOUR::Port*) 0);
95 SurfacePort::get_state ()
97 XMLNode* node = new XMLNode (X_("Port"));
99 if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
100 /* no state required for IPMidi ports */
106 child = new XMLNode (X_("Input"));
107 child->add_child_nocopy (_async_in->get_state());
108 node->add_child_nocopy (*child);
111 child = new XMLNode (X_("Output"));
112 child->add_child_nocopy (_async_out->get_state());
113 node->add_child_nocopy (*child);
119 SurfacePort::set_state (const XMLNode& node, int version)
121 if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
124 // the rest should not be run if the device-name changes outside of a session load.
125 if ( _surface->mcp().session_load()) {
129 if ((child = node.child (X_("Input"))) != 0) {
130 XMLNode* portnode = child->child (Port::state_node_name.c_str());
132 _async_in->set_state (*portnode, version);
136 if ((child = node.child (X_("Output"))) != 0) {
137 XMLNode* portnode = child->child (Port::state_node_name.c_str());
139 _async_out->set_state (*portnode, version);
147 // wrapper for one day when strerror_r is working properly
148 string fetch_errmsg (int error_number)
150 char * msg = strerror (error_number);
155 SurfacePort::write (const MidiByteArray & mba)
158 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("port %1 asked to write an empty MBA\n", output_port().name()));
162 DEBUG_TRACE (DEBUG::MackieControl, string_compose ("port %1 write %2\n", output_port().name(), mba));
164 if (mba[0] != 0xf0 && mba.size() > 3) {
165 std::cerr << "TOO LONG WRITE: " << mba << std::endl;
168 /* this call relies on std::vector<T> using contiguous storage. not
169 * actually guaranteed by the standard, but way, way beyond likely.
172 int count = output_port().write (&mba[0], mba.size(), 0);
174 if (count != (int) mba.size()) {
178 cout << "port overflow on " << output_port().name() << ". Did not write all of " << mba << endl;
180 } else if (errno != EAGAIN) {
182 os << "Surface: couldn't write to port " << output_port().name();
183 os << ", error: " << fetch_errmsg (errno) << "(" << errno << ")";
184 cout << os.str() << endl;
194 Mackie::operator << (ostream & os, const SurfacePort & port)
197 os << "name: " << port.input_port().name() << " " << port.output_port().name();