249 lines
6.6 KiB
C++
249 lines
6.6 KiB
C++
/*
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* Copyright (C) 2006-2007 John Anderson
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* Copyright (C) 2007-2016 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2010-2011 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2015 Len Ovens <len@ovenwerks.net>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <sstream>
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#include <cstring>
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#include <cerrno>
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#include <sigc++/sigc++.h>
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#include "pbd/failed_constructor.h"
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#include "midi++/types.h"
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#include "midi++/ipmidi_port.h"
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#include "ardour/async_midi_port.h"
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#include "ardour/debug.h"
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#include "ardour/rc_configuration.h"
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#include "ardour/session.h"
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#include "ardour/audioengine.h"
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#include "controls.h"
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#include "mackie_control_protocol.h"
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#include "surface.h"
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#include "surface_port.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace PBD;
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using namespace ARDOUR;
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using namespace ArdourSurface;
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using namespace ArdourSurface::MACKIE_NAMESPACE;
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SurfacePort::SurfacePort (Surface& s)
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: _surface (&s)
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{
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if (_surface->mcp().device_info().uses_ipmidi()) {
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_input_port = new MIDI::IPMIDIPort (_surface->mcp().ipmidi_base() +_surface->number());
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_output_port = _input_port;
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} else {
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#ifdef UF8
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string in_name = X_("SSL-UFx control in");
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string out_name = X_("SSL-UFx control out");
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#else
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string in_name = X_("mackie control in");
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string out_name = X_("mackie control out");
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#endif
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if (_surface->mcp().device_info().extenders() > 0) {
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if (_surface->number() != _surface->mcp().device_info().master_position()) {
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#ifdef UF8
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in_name = string_compose (X_("SSL-UFx control in ext %1"), (_surface->number() + 1));
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out_name = string_compose (X_("SSL-UFx control out ext %1"), _surface->number() + 1);
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#else
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in_name = string_compose (X_("mackie control in ext %1"), (_surface->number() + 1));
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out_name = string_compose (X_("mackie control out ext %1"), _surface->number() + 1);
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#endif
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}
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}
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_async_in = AudioEngine::instance()->register_input_port (DataType::MIDI, in_name, true);
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_async_out = AudioEngine::instance()->register_output_port (DataType::MIDI, out_name, true);
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if (_async_in == 0 || _async_out == 0) {
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throw failed_constructor();
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}
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_input_port = std::dynamic_pointer_cast<AsyncMIDIPort>(_async_in).get();
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_output_port = std::dynamic_pointer_cast<AsyncMIDIPort>(_async_out).get();
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}
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}
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SurfacePort::~SurfacePort()
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{
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if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
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delete _input_port;
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_input_port = 0;
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} else {
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if (_async_in) {
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DEBUG_TRACE (DEBUG::MackieControl, string_compose ("unregistering input port %1\n", _async_in->name()));
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Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
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AudioEngine::instance()->unregister_port (_async_in);
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_async_in.reset ((ARDOUR::Port*) 0);
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}
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if (_async_out) {
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_output_port->drain (10000, 250000);
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DEBUG_TRACE (DEBUG::MackieControl, string_compose ("unregistering output port %1\n", _async_out->name()));
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Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
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AudioEngine::instance()->unregister_port (_async_out);
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_async_out.reset ((ARDOUR::Port*) 0);
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}
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}
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}
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XMLNode&
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SurfacePort::get_state () const
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{
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XMLNode* node = new XMLNode (X_("Port"));
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if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
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/* no state required for IPMidi ports */
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return *node;
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}
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XMLNode* child;
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child = new XMLNode (X_("Input"));
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child->add_child_nocopy (_async_in->get_state());
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node->add_child_nocopy (*child);
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child = new XMLNode (X_("Output"));
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child->add_child_nocopy (_async_out->get_state());
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node->add_child_nocopy (*child);
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return *node;
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}
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int
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SurfacePort::set_state (const XMLNode& node, int version)
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{
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if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
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return 0;
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}
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XMLNode* child;
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if ((child = node.child (X_("Input"))) != 0) {
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XMLNode* portnode = child->child (Port::state_node_name.c_str());
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if (portnode) {
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portnode->remove_property ("name");
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_async_in->set_state (*portnode, version);
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}
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}
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if ((child = node.child (X_("Output"))) != 0) {
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XMLNode* portnode = child->child (Port::state_node_name.c_str());
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if (portnode) {
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portnode->remove_property ("name");
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_async_out->set_state (*portnode, version);
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}
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}
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return 0;
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}
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void
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SurfacePort::reconnect ()
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{
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_async_out->reconnect ();
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_async_in->reconnect ();
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}
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std::string
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SurfacePort::input_name () const
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{
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return _async_in->name();
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}
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std::string
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SurfacePort::output_name () const
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{
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return _async_out->name();
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}
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// wrapper for one day when strerror_r is working properly
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string fetch_errmsg (int error_number)
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{
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char * msg = strerror (error_number);
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return msg;
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}
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int
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SurfacePort::write (const MidiByteArray & mba)
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{
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if (mba.empty()) {
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DEBUG_TRACE (DEBUG::MackieControl, string_compose ("port %1 asked to write an empty MBA\n", output_port().name()));
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return 0;
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}
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#ifndef NDEBUG
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/* skip meter output since it makes too much output for normal use */
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if (mba[0] != 0xd0 && mba[0] != 0xd1) {
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DEBUG_TRACE (DEBUG::MackieControl, string_compose ("port %1 write %2\n", output_port().name(), mba));
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}
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#endif
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if (mba[0] != 0xf0 && mba.size() > 3) {
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std::cerr << "TOO LONG WRITE: " << mba << std::endl;
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}
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/* this call relies on std::vector<T> using contiguous storage. not
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* actually guaranteed by the standard, but way, way beyond likely.
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*/
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int count = output_port().write (&mba[0], mba.size(), 0);
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if (count != (int) mba.size()) {
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if (errno == 0) {
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cout << "port overflow on " << output_port().name() << ". Did not write all of " << mba << endl;
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} else if (errno != EAGAIN) {
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ostringstream os;
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os << "Surface: couldn't write to port " << output_port().name();
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os << ", error: " << fetch_errmsg (errno) << "(" << errno << ")";
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cout << os.str() << endl;
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}
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return -1;
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}
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return 0;
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}
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ostream &
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MACKIE_NAMESPACE::operator << (ostream & os, const SurfacePort & port)
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{
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os << "{ ";
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os << "name: " << port.input_port().name() << " " << port.output_port().name();
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os << "; ";
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os << " }";
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return os;
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}
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