*/
+#ifdef COMPILER_MSVC
+#include <io.h> // Microsoft's nearest equivalent to <unistd.h>
+#include <ardourext/misc.h>
+#else
+#include <regex.h>
+#endif
+
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
+
#include "pbd/error.h"
#include "ardour/async_midi_port.h"
#include "ardour/audio_backend.h"
#include "ardour/audio_port.h"
#include "ardour/debug.h"
+#include "ardour/filesystem_paths.h"
#include "ardour/midi_port.h"
#include "ardour/midiport_manager.h"
#include "ardour/port_manager.h"
+#include "ardour/profile.h"
+#include "ardour/rt_tasklist.h"
+#include "ardour/session.h"
+#include "ardour/types_convert.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace PBD;
PortManager::PortManager ()
: ports (new Ports)
, _port_remove_in_progress (false)
+ , _port_deletions_pending (8192) /* ick, arbitrary sizing */
+ , midi_info_dirty (true)
+{
+ load_midi_port_info ();
+}
+
+void
+PortManager::clear_pending_port_deletions ()
{
+ Port* p;
+
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("pending port deletions: %1\n", _port_deletions_pending.read_space()));
+
+ while (_port_deletions_pending.read (&p, 1) == 1) {
+ delete p;
+ }
}
void
ports.flush ();
+ /* clear out pending port deletion list. we know this is safe because
+ * the auto connect thread in Session is already dead when this is
+ * done. It doesn't use shared_ptr<Port> anyway.
+ */
+
+ _port_deletions_pending.reset ();
+
_port_remove_in_progress = false;
}
return portname;
}
- string::size_type len;
- string::size_type n;
- string self = _backend->my_name();
+ string::size_type colon = portname.find (':');
- len = portname.length();
-
- for (n = 0; n < len; ++n) {
- if (portname[n] == ':') {
- break;
- }
+ if (colon == string::npos) {
+ return portname;
}
- if ((n != len) && (portname.substr (0, n) == self)) {
- return portname.substr (n+1);
+ if (portname.substr (0, colon) == _backend->my_name()) {
+ return portname.substr (colon+1);
}
return portname;
if (portname.find_first_of (':') != string::npos) {
if (portname.substr (0, self.length ()) != self) {
- return false;
- }
- }
+ return false;
+ }
+ }
- return true;
+ return true;
}
bool
}
void
-PortManager::get_physical_outputs (DataType type, std::vector<std::string>& s)
+PortManager::filter_midi_ports (vector<string>& ports, MidiPortFlags include, MidiPortFlags exclude)
+{
+
+ if (!include && !exclude) {
+ return;
+ }
+
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ for (vector<string>::iterator si = ports.begin(); si != ports.end(); ) {
+
+ MidiPortInfo::iterator x = midi_port_info.find (*si);
+
+ if (x == midi_port_info.end()) {
+ ++si;
+ continue;
+ }
+
+ MidiPortInformation& mpi (x->second);
+
+ if (mpi.pretty_name.empty()) {
+ /* no information !!! */
+ ++si;
+ continue;
+ }
+
+ if (include) {
+ if ((mpi.properties & include) != include) {
+ /* properties do not include requested ones */
+ si = ports.erase (si);
+ continue;
+ }
+ }
+
+ if (exclude) {
+ if ((mpi.properties & exclude)) {
+ /* properties include ones to avoid */
+ si = ports.erase (si);
+ continue;
+ }
+ }
+
+ ++si;
+ }
+ }
+}
+
+void
+PortManager::get_physical_outputs (DataType type, std::vector<std::string>& s, MidiPortFlags include, MidiPortFlags exclude)
{
if (!_backend) {
+ s.clear ();
return;
}
_backend->get_physical_outputs (type, s);
+ filter_midi_ports (s, include, exclude);
}
-
+
void
-PortManager::get_physical_inputs (DataType type, std::vector<std::string>& s)
+PortManager::get_physical_inputs (DataType type, std::vector<std::string>& s, MidiPortFlags include, MidiPortFlags exclude)
{
if (!_backend) {
+ s.clear ();
return;
}
_backend->get_physical_inputs (type, s);
+ filter_midi_ports (s, include, exclude);
}
-
+
ChanCount
PortManager::n_physical_outputs () const
{
return _backend->n_physical_outputs ();
}
-
+
ChanCount
PortManager::n_physical_inputs () const
{
/** @param name Full or short name of port
* @return Corresponding Port or 0.
*/
-
boost::shared_ptr<Port>
PortManager::get_port_by_name (const string& portname)
{
return boost::shared_ptr<Port>();
}
- if (!port_is_mine (portname)) {
- /* not an ardour port */
- return boost::shared_ptr<Port> ();
- }
+ if (!port_is_mine (portname)) {
+ /* not an ardour port */
+ return boost::shared_ptr<Port> ();
+ }
boost::shared_ptr<Ports> pr = ports.reader();
std::string rel = make_port_name_relative (portname);
if (x != pr->end()) {
/* its possible that the port was renamed by some 3rd party and
- we don't know about it. check for this (the check is quick
- and cheap), and if so, rename the port (which will alter
- the port map as a side effect).
- */
+ * we don't know about it. check for this (the check is quick
+ * and cheap), and if so, rename the port (which will alter
+ * the port map as a side effect).
+ */
const std::string check = make_port_name_relative (_backend->get_port_name (x->second->port_handle()));
if (check != rel) {
x->second->set_name (check);
return x->second;
}
- return boost::shared_ptr<Port> ();
+ return boost::shared_ptr<Port> ();
}
void
RCUWriter<Ports> writer (ports);
boost::shared_ptr<Ports> p = writer.get_copy();
Ports::iterator x = p->find (old_relative_name);
-
+
if (x != p->end()) {
boost::shared_ptr<Port> port = x->second;
p->erase (x);
int
PortManager::get_ports (const string& port_name_pattern, DataType type, PortFlags flags, vector<string>& s)
{
+ s.clear();
+
if (!_backend) {
return 0;
}
throw PortRegistrationFailure (string_compose (_("AudioEngine: cannot register port \"%1\": %2"), portname, reason).c_str());
}
+struct PortDeleter
+{
+ void operator() (Port* p) {
+ AudioEngine::instance()->add_pending_port_deletion (p);
+ }
+};
+
boost::shared_ptr<Port>
-PortManager::register_port (DataType dtype, const string& portname, bool input, bool async)
+PortManager::register_port (DataType dtype, const string& portname, bool input, bool async, PortFlags flags)
{
boost::shared_ptr<Port> newport;
+ /* limit the possible flags that can be set */
+
+ flags = PortFlags (flags & (Hidden|Shadow|IsTerminal));
+
try {
if (dtype == DataType::AUDIO) {
DEBUG_TRACE (DEBUG::Ports, string_compose ("registering AUDIO port %1, input %2\n",
portname, input));
- newport.reset (new AudioPort (portname, (input ? IsInput : IsOutput)));
+ newport.reset (new AudioPort (portname, PortFlags ((input ? IsInput : IsOutput) | flags)),
+ PortDeleter());
} else if (dtype == DataType::MIDI) {
if (async) {
DEBUG_TRACE (DEBUG::Ports, string_compose ("registering ASYNC MIDI port %1, input %2\n",
portname, input));
- newport.reset (new AsyncMIDIPort (portname, (input ? IsInput : IsOutput)));
+ newport.reset (new AsyncMIDIPort (portname, PortFlags ((input ? IsInput : IsOutput) | flags)),
+ PortDeleter());
} else {
DEBUG_TRACE (DEBUG::Ports, string_compose ("registering MIDI port %1, input %2\n",
portname, input));
- newport.reset (new MidiPort (portname, (input ? IsInput : IsOutput)));
+ newport.reset (new MidiPort (portname, PortFlags ((input ? IsInput : IsOutput) | flags)),
+ PortDeleter());
}
} else {
throw PortRegistrationFailure("unable to create port (unknown type)");
}
boost::shared_ptr<Port>
-PortManager::register_input_port (DataType type, const string& portname, bool async)
+PortManager::register_input_port (DataType type, const string& portname, bool async, PortFlags extra_flags)
{
- return register_port (type, portname, true, async);
+ return register_port (type, portname, true, async, extra_flags);
}
boost::shared_ptr<Port>
-PortManager::register_output_port (DataType type, const string& portname, bool async)
+PortManager::register_output_port (DataType type, const string& portname, bool async, PortFlags extra_flags)
{
- return register_port (type, portname, false, async);
+ return register_port (type, portname, false, async, extra_flags);
}
int
PortManager::unregister_port (boost::shared_ptr<Port> port)
{
+ /* This is a little subtle. We do not call the backend's port
+ * unregistration code from here. That is left for the Port
+ * destructor. We are trying to drop references to the Port object
+ * here, so that its destructor will run and it will unregister itself.
+ */
+
/* caller must hold process lock */
{
Ports::iterator x = ps->find (make_port_name_relative (port->name()));
if (x != ps->end()) {
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("removing %1 from port map (uc=%2)\n", port->name(), port.use_count()));
ps->erase (x);
}
return _backend->connected (handle);
}
+bool
+PortManager::physically_connected (const string& port_name)
+{
+ if (!_backend) {
+ return false;
+ }
+
+ PortEngine::PortHandle handle = _backend->get_port_by_name (port_name);
+
+ if (!handle) {
+ return false;
+ }
+
+ return _backend->physically_connected (handle);
+}
+
+int
+PortManager::get_connections (const string& port_name, std::vector<std::string>& s)
+{
+ if (!_backend) {
+ s.clear ();
+ return 0;
+ }
+
+ PortEngine::PortHandle handle = _backend->get_port_by_name (port_name);
+
+ if (!handle) {
+ s.clear ();
+ return 0;
+ }
+
+ return _backend->get_connections (handle, s);
+}
+
int
PortManager::connect (const string& source, const string& destination)
{
return port->disconnect_all ();
}
+int
+PortManager::disconnect (std::string const & name)
+{
+ PortEngine::PortHandle ph = _backend->get_port_by_name (name);
+ if (ph) {
+ return _backend->disconnect_all (ph);
+ }
+ return -2;
+}
+
int
PortManager::reestablish_ports ()
{
{
boost::shared_ptr<Ports> p = ports.reader ();
- /* re-establish connections */
+ if (!Profile->get_trx()) {
+ /* re-establish connections */
- DEBUG_TRACE (DEBUG::Ports, string_compose ("reconnect %1 ports\n", p->size()));
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("reconnect %1 ports\n", p->size()));
- for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
- i->second->reconnect ();
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+ i->second->reconnect ();
+ }
}
return 0;
port_b = x->second;
}
+ if (conn) {
+ if (port_a && !port_b) {
+ port_a->increment_external_connections ();
+ } else if (port_b && !port_a) {
+ port_b->increment_external_connections ();
+ }
+ } else {
+ if (port_a && !port_b) {
+ port_a->decrement_external_connections ();
+ } else if (port_b && !port_a) {
+ port_b->decrement_external_connections ();
+ }
+ }
+
PortConnectedOrDisconnected (
port_a, a,
port_b, b,
conn
); /* EMIT SIGNAL */
-}
+}
void
PortManager::registration_callback ()
{
if (!_port_remove_in_progress) {
+
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+ midi_info_dirty = true;
+ }
+
PortRegisteredOrUnregistered (); /* EMIT SIGNAL */
}
}
return _backend->can_monitor_input ();
}
-
+
void
PortManager::request_input_monitoring (const string& name, bool yn) const
{
_backend->request_input_monitoring (ph, yn);
}
}
-
+
void
PortManager::ensure_input_monitoring (const string& name, bool yn) const
{
if (!_backend) {
return 0;
}
-
+
return _backend->port_name_size ();
}
if (!_backend) {
return string();
}
-
+
return _backend->my_name();
}
}
void
-PortManager::cycle_start (pframes_t nframes)
+PortManager::cycle_start (pframes_t nframes, Session* s)
{
Port::set_global_port_buffer_offset (0);
- Port::set_cycle_framecnt (nframes);
+ Port::set_cycle_samplecnt (nframes);
_cycle_ports = ports.reader ();
- for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
- p->second->cycle_start (nframes);
+ /* TODO optimize
+ * - when speed == 1.0, the resampler copies data without processing
+ * it may (or may not) be more efficient to just run all in sequence.
+ *
+ * - single sequential task for 'lightweight' tasks would make sense
+ * (run it in parallel with 'heavy' resampling.
+ * * output ports (sends_output()) only set a flag
+ * * midi-ports only scale event timestamps
+ *
+ * - a threshold parallel vs searial processing may be appropriate.
+ * amount of work (how many connected ports are there, how
+ * many resamplers need to run) vs. available CPU cores and semaphore
+ * synchronization overhead.
+ *
+ * - input ports: it would make sense to resample each input only once
+ * (rather than resample into each ardour-owned input port).
+ * A single external source-port may be connected to many ardour
+ * input-ports. Currently re-sampling is per input.
+ */
+ if (s && s->rt_tasklist () && fabs (Port::speed_ratio ()) != 1.0) {
+ RTTaskList::TaskList tl;
+ for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
+ tl.push_back (boost::bind (&Port::cycle_start, p->second, nframes));
+ }
+ s->rt_tasklist()->process (tl);
+ } else {
+ for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
+ p->second->cycle_start (nframes);
+ }
}
}
void
-PortManager::cycle_end (pframes_t nframes)
+PortManager::cycle_end (pframes_t nframes, Session* s)
{
- for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
- p->second->cycle_end (nframes);
+ // see optimzation note in ::cycle_start()
+ if (s && s->rt_tasklist () && fabs (Port::speed_ratio ()) != 1.0) {
+ RTTaskList::TaskList tl;
+ for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
+ tl.push_back (boost::bind (&Port::cycle_end, p->second, nframes));
+ }
+ s->rt_tasklist()->process (tl);
+ } else {
+ for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
+ p->second->cycle_end (nframes);
+ }
}
for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
}
void
-PortManager::silence (pframes_t nframes)
+PortManager::silence (pframes_t nframes, Session *s)
{
for (Ports::iterator i = _cycle_ports->begin(); i != _cycle_ports->end(); ++i) {
+ if (s && i->second == s->mtc_output_port ()) {
+ continue;
+ }
+ if (s && i->second == s->midi_clock_output_port ()) {
+ continue;
+ }
+ if (s && i->second == s->ltc_output_port ()) {
+ continue;
+ }
+ if (boost::dynamic_pointer_cast<AsyncMIDIPort>(i->second)) {
+ continue;
+ }
if (i->second->sends_output()) {
i->second->get_buffer(nframes).silence(nframes);
}
}
}
+void
+PortManager::silence_outputs (pframes_t nframes)
+{
+ std::vector<std::string> port_names;
+ if (get_ports("", DataType::AUDIO, IsOutput, port_names)) {
+ for (std::vector<std::string>::iterator p = port_names.begin(); p != port_names.end(); ++p) {
+ if (!port_is_mine(*p)) {
+ continue;
+ }
+ PortEngine::PortHandle ph = _backend->get_port_by_name (*p);
+ if (!ph) {
+ continue;
+ }
+ void *buf = _backend->get_buffer(ph, nframes);
+ if (!buf) {
+ continue;
+ }
+ memset (buf, 0, sizeof(float) * nframes);
+ }
+ }
+
+ if (get_ports("", DataType::MIDI, IsOutput, port_names)) {
+ for (std::vector<std::string>::iterator p = port_names.begin(); p != port_names.end(); ++p) {
+ if (!port_is_mine(*p)) {
+ continue;
+ }
+ PortEngine::PortHandle ph = _backend->get_port_by_name (*p);
+ if (!ph) {
+ continue;
+ }
+ void *buf = _backend->get_buffer(ph, nframes);
+ if (!buf) {
+ continue;
+ }
+ _backend->midi_clear (buf);
+ }
+ }
+}
+
void
PortManager::check_monitoring ()
{
for (Ports::iterator i = _cycle_ports->begin(); i != _cycle_ports->end(); ++i) {
-
+
bool x;
-
+
if (i->second->last_monitor() != (x = i->second->monitoring_input ())) {
i->second->set_last_monitor (x);
/* XXX I think this is dangerous, due to
}
void
-PortManager::fade_out (gain_t base_gain, gain_t gain_step, pframes_t nframes)
+PortManager::cycle_end_fade_out (gain_t base_gain, gain_t gain_step, pframes_t nframes, Session* s)
{
- for (Ports::iterator i = _cycle_ports->begin(); i != _cycle_ports->end(); ++i) {
-
- if (i->second->sends_output()) {
-
- boost::shared_ptr<AudioPort> ap = boost::dynamic_pointer_cast<AudioPort> (i->second);
+ // see optimzation note in ::cycle_start()
+ if (s && s->rt_tasklist () && fabs (Port::speed_ratio ()) != 1.0) {
+ RTTaskList::TaskList tl;
+ for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
+ tl.push_back (boost::bind (&Port::cycle_end, p->second, nframes));
+ }
+ s->rt_tasklist()->process (tl);
+ } else {
+ for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
+ p->second->cycle_end (nframes);
+ }
+ }
+
+ for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
+ p->second->flush_buffers (nframes);
+
+ if (p->second->sends_output()) {
+
+ boost::shared_ptr<AudioPort> ap = boost::dynamic_pointer_cast<AudioPort> (p->second);
if (ap) {
Sample* s = ap->engine_get_whole_audio_buffer ();
gain_t g = base_gain;
-
+
for (pframes_t n = 0; n < nframes; ++n) {
*s++ *= g;
g -= gain_step;
}
}
}
+ _cycle_ports.reset ();
+ /* we are done */
}
PortEngine&
assert (_backend);
return *_backend;
}
+
+bool
+PortManager::port_is_control_only (std::string const& name)
+{
+ static regex_t compiled_pattern;
+ static string pattern;
+
+ if (pattern.empty()) {
+
+ /* This is a list of regular expressions that match ports
+ * related to physical MIDI devices that we do not want to
+ * expose as normal physical ports.
+ */
+
+ const char * const control_only_ports[] = {
+ X_(".*Ableton Push.*"),
+ X_(".*FaderPort .*"),
+ X_(".*FaderPort8 .*"),
+ X_(".*FaderPort16 .*"),
+ X_(".*FaderPort2 .*"),
+ X_(".*US-2400 .*"),
+ X_(".*Mackie .*"),
+ };
+
+ pattern = "(";
+ for (size_t n = 0; n < sizeof (control_only_ports)/sizeof (control_only_ports[0]); ++n) {
+ if (n > 0) {
+ pattern += '|';
+ }
+ pattern += control_only_ports[n];
+ }
+ pattern += ')';
+
+ regcomp (&compiled_pattern, pattern.c_str(), REG_EXTENDED|REG_NOSUB);
+ }
+
+ return regexec (&compiled_pattern, name.c_str(), 0, 0, 0) == 0;
+}
+
+PortManager::MidiPortInformation
+PortManager::midi_port_information (std::string const & name)
+{
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ MidiPortInfo::iterator x = midi_port_info.find (name);
+
+ if (x != midi_port_info.end()) {
+ return x->second;
+ }
+
+ return MidiPortInformation ();
+}
+
+void
+PortManager::get_known_midi_ports (vector<string>& copy)
+{
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ for (MidiPortInfo::const_iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
+ copy.push_back (x->first);
+ }
+}
+
+void
+PortManager::get_midi_selection_ports (vector<string>& copy)
+{
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ for (MidiPortInfo::const_iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
+ if (x->second.properties & MidiPortSelection) {
+ copy.push_back (x->first);
+ }
+ }
+}
+
+void
+PortManager::set_midi_port_pretty_name (string const & port, string const & pretty)
+{
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ MidiPortInfo::iterator x = midi_port_info.find (port);
+ if (x == midi_port_info.end()) {
+ return;
+ }
+ x->second.pretty_name = pretty;
+ }
+
+ /* push into back end */
+
+ PortEngine::PortHandle ph = _backend->get_port_by_name (port);
+
+ if (ph) {
+ _backend->set_port_property (ph, "http://jackaudio.org/metadata/pretty-name", pretty, string());
+ }
+
+ MidiPortInfoChanged (); /* EMIT SIGNAL*/
+}
+
+void
+PortManager::add_midi_port_flags (string const & port, MidiPortFlags flags)
+{
+ bool emit = false;
+
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ MidiPortInfo::iterator x = midi_port_info.find (port);
+ if (x != midi_port_info.end()) {
+ if ((x->second.properties & flags) != flags) { // at least one missing
+ x->second.properties = MidiPortFlags (x->second.properties | flags);
+ emit = true;
+ }
+ }
+ }
+
+ if (emit) {
+ if (flags & MidiPortSelection) {
+ MidiSelectionPortsChanged (); /* EMIT SIGNAL */
+ }
+
+ if (flags != MidiPortSelection) {
+ MidiPortInfoChanged (); /* EMIT SIGNAL */
+ }
+
+ save_midi_port_info ();
+ }
+}
+
+void
+PortManager::remove_midi_port_flags (string const & port, MidiPortFlags flags)
+{
+ bool emit = false;
+
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ MidiPortInfo::iterator x = midi_port_info.find (port);
+ if (x != midi_port_info.end()) {
+ if (x->second.properties & flags) { // at least one is set
+ x->second.properties = MidiPortFlags (x->second.properties & ~flags);
+ emit = true;
+ }
+ }
+ }
+
+ if (emit) {
+ if (flags & MidiPortSelection) {
+ MidiSelectionPortsChanged (); /* EMIT SIGNAL */
+ }
+
+ if (flags != MidiPortSelection) {
+ MidiPortInfoChanged (); /* EMIT SIGNAL */
+ }
+
+ save_midi_port_info ();
+ }
+}
+
+string
+PortManager::midi_port_info_file ()
+{
+ return Glib::build_filename (user_config_directory(), X_("midi_port_info"));
+}
+
+void
+PortManager::save_midi_port_info ()
+{
+ string path = midi_port_info_file ();
+
+ XMLNode* root = new XMLNode (X_("MidiPortInfo"));
+
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ if (midi_port_info.empty()) {
+ delete root;
+ return;
+ }
+
+ for (MidiPortInfo::iterator i = midi_port_info.begin(); i != midi_port_info.end(); ++i) {
+ XMLNode* node = new XMLNode (X_("port"));
+ node->set_property (X_("name"), i->first);
+ node->set_property (X_("input"), i->second.input);
+ node->set_property (X_("properties"), i->second.properties);
+ root->add_child_nocopy (*node);
+ }
+ }
+
+ XMLTree tree;
+
+ tree.set_root (root);
+
+ if (!tree.write (path)) {
+ error << string_compose (_("Could not save MIDI port info to %1"), path) << endmsg;
+ }
+}
+
+void
+PortManager::load_midi_port_info ()
+{
+ string path = midi_port_info_file ();
+ XMLTree tree;
+
+ if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
+ return;
+ }
+
+ if (!tree.read (path)) {
+ error << string_compose (_("Cannot load MIDI port info from %1"), path) << endmsg;
+ return;
+ }
+
+ midi_port_info.clear ();
+
+ for (XMLNodeConstIterator i = tree.root()->children().begin(); i != tree.root()->children().end(); ++i) {
+ MidiPortInformation mpi;
+ string name;
+
+ if (!(*i)->get_property (X_("name"), name) ||
+ !(*i)->get_property (X_("input"), mpi.input) ||
+ !(*i)->get_property (X_("properties"), mpi.properties)) {
+ continue;
+ }
+
+ midi_port_info.insert (make_pair (name, mpi));
+ }
+}
+
+void
+PortManager::fill_midi_port_info ()
+{
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+ fill_midi_port_info_locked ();
+}
+
+void
+PortManager::fill_midi_port_info_locked ()
+{
+ /* MIDI info mutex MUST be held */
+
+ if (!midi_info_dirty) {
+ return;
+ }
+
+ std::vector<string> ports;
+
+ AudioEngine::instance()->get_ports (string(), DataType::MIDI, IsOutput, ports);
+
+ for (vector<string>::iterator p = ports.begin(); p != ports.end(); ++p) {
+
+ if (port_is_mine (*p)) {
+ continue;
+ }
+
+ if (midi_port_info.find (*p) == midi_port_info.end()) {
+ MidiPortInformation mpi;
+ mpi.pretty_name = *p;
+ mpi.input = true;
+
+ if (port_is_control_only (*p)) {
+ mpi.properties = MidiPortFlags (mpi.properties | MidiPortControl);
+ }
+#ifdef LINUX
+ if ((*p.find (X_("Midi Through")) != string::npos ||
+ (*p).find (X_("Midi-Through")) != string::npos))
+ {
+ mpi.properties = MidiPortFlags (mpi.properties | MidiPortVirtual);
+ }
+#endif
+ midi_port_info.insert (make_pair (*p, mpi));
+ }
+ }
+
+ AudioEngine::instance()->get_ports (string(), DataType::MIDI, IsInput, ports);
+
+ for (vector<string>::iterator p = ports.begin(); p != ports.end(); ++p) {
+
+ if (port_is_mine (*p)) {
+ continue;
+ }
+
+ if (midi_port_info.find (*p) == midi_port_info.end()) {
+ MidiPortInformation mpi;
+ mpi.pretty_name = *p;
+ mpi.input = false;
+
+ if (port_is_control_only (*p)) {
+ mpi.properties = MidiPortFlags (mpi.properties | MidiPortControl);
+ }
+#ifdef LINUX
+ if ((*p.find (X_("Midi Through")) != string::npos ||
+ (*p).find (X_("Midi-Through")) != string::npos))
+ {
+ mpi.properties = MidiPortFlags (mpi.properties | MidiPortVirtual);
+ }
+#endif
+ midi_port_info.insert (make_pair (*p, mpi));
+ }
+ }
+
+ /* now push/pull pretty name information between backend and the
+ * PortManager
+ */
+
+ // rg: I don't understand what this attempts to solve
+ //
+ // Naming ports should be left to the backend:
+ // Ardour cannot associate numeric IDs with corresponding hardware.
+ // (see also 7dde6c3b)
+
+ for (MidiPortInfo::iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
+ PortEngine::PortHandle ph = _backend->get_port_by_name (x->first);
+
+ if (!ph) {
+ /* port info saved from some condition where this port
+ * existed, but no longer does (i.e. device unplugged
+ * at present). We don't remove it from midi_port_info.
+ */
+ continue;
+ }
+
+ /* check with backend for pre-existing pretty name */
+ string value;
+ string type;
+
+ if (0 == _backend->get_port_property (ph,
+ "http://jackaudio.org/metadata/pretty-name",
+ value, type)) {
+ x->second.pretty_name = value;
+ }
+ }
+
+ midi_info_dirty = false;
+}