/*
- Copyright (C) 2000-2006 Paul Davis
+ Copyright (C) 2000-2006 Paul Davis
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
#include <fstream>
#include <algorithm>
+#include <cmath>
+
#include <unistd.h>
#include <locale.h>
#include <errno.h>
-#include <sigc++/bind.h>
-
#include <glibmm.h>
#include <glibmm/thread.h>
#include "pbd/xml++.h"
#include "pbd/replace_all.h"
#include "pbd/unknown_type.h"
+#include "pbd/enumwriter.h"
#include "ardour/audioengine.h"
+#include "ardour/buffer.h"
+#include "ardour/buffer_set.h"
+#include "ardour/debug.h"
#include "ardour/io.h"
-#include "ardour/route.h"
#include "ardour/port.h"
-#include "ardour/audio_port.h"
-#include "ardour/midi_port.h"
+#include "ardour/route.h"
#include "ardour/session.h"
-#include "ardour/cycle_timer.h"
-#include "ardour/panner.h"
-#include "ardour/buffer_set.h"
-#include "ardour/meter.h"
-#include "ardour/amp.h"
#include "ardour/user_bundle.h"
#include "i18n.h"
-#include <cmath>
-
-/*
- A bug in OS X's cmath that causes isnan() and isinf() to be
- "undeclared". the following works around that
-*/
-
-#if defined(__APPLE__) && defined(__MACH__)
-extern "C" int isnan (double);
-extern "C" int isinf (double);
-#endif
-
-#define BLOCK_PROCESS_CALLBACK() Glib::Mutex::Lock em (_session.engine().process_lock())
+#define BLOCK_PROCESS_CALLBACK() Glib::Mutex::Lock em (AudioEngine::instance()->process_lock())
using namespace std;
using namespace ARDOUR;
const string IO::state_node_name = "IO";
bool IO::connecting_legal = false;
-bool IO::ports_legal = false;
-bool IO::panners_legal = false;
-sigc::signal<void> IO::Meter;
-sigc::signal<int> IO::ConnectingLegal;
-sigc::signal<int> IO::PortsLegal;
-sigc::signal<int> IO::PannersLegal;
-sigc::signal<void,ChanCount> IO::PortCountChanged;
-sigc::signal<int> IO::PortsCreated;
-
-Glib::StaticMutex IO::m_meter_signal_lock = GLIBMM_STATIC_MUTEX_INIT;
-
-/* this is a default mapper of [0 .. 1.0] control values to a gain coefficient.
- others can be imagined.
-*/
-
-#if 0
-static gain_t direct_control_to_gain (double fract) {
- /* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */
- /* this maxes at +6dB */
- return pow (2.0,(sqrt(sqrt(sqrt(fract)))*198.0-192.0)/6.0);
-}
-
-static double direct_gain_to_control (gain_t gain) {
- /* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */
- if (gain == 0) return 0.0;
-
- return pow((6.0*log(gain)/log(2.0)+192.0)/198.0, 8.0);
-}
-#endif
+PBD::Signal0<int> IO::ConnectingLegal;
+PBD::Signal1<void,ChanCount> IO::PortCountChanged;
/** @param default_type The type of port that will be created by ensure_io
* and friends if no type is explicitly requested (to avoid breakage).
*/
-IO::IO (Session& s, const string& name,
- int input_min, int input_max, int output_min, int output_max,
- DataType default_type)
- : SessionObject(s, name),
- AutomatableControls (s),
- _output_buffers (new BufferSet()),
- _active(true),
- _default_type (default_type),
- _input_minimum (ChanCount::ZERO),
- _input_maximum (ChanCount::INFINITE),
- _output_minimum (ChanCount::ZERO),
- _output_maximum (ChanCount::INFINITE)
+IO::IO (Session& s, const string& name, Direction dir, DataType default_type)
+ : SessionObject (s, name)
+ , _direction (dir)
+ , _default_type (default_type)
{
- _panner = new Panner (name, _session);
- _meter = new PeakMeter (_session);
-
- if (input_min > 0) {
- _input_minimum = ChanCount(_default_type, input_min);
- }
- if (input_max >= 0) {
- _input_maximum = ChanCount(_default_type, input_max);
- }
- if (output_min > 0) {
- _output_minimum = ChanCount(_default_type, output_min);
- }
- if (output_max >= 0) {
- _output_maximum = ChanCount(_default_type, output_max);
- }
-
- _gain = 1.0;
- _desired_gain = 1.0;
+ _active = true;
+ Port::PostDisconnect.connect_same_thread (*this, boost::bind (&IO::disconnect_check, this, _1, _2));
pending_state_node = 0;
- no_panner_reset = false;
- _phase_invert = false;
- deferred_state = 0;
-
- boost::shared_ptr<AutomationList> gl(
- new AutomationList(Evoral::Parameter(GainAutomation)));
-
- _gain_control = boost::shared_ptr<GainControl>( new GainControl( X_("gaincontrol"), this, Evoral::Parameter(GainAutomation), gl ));
-
- add_control(_gain_control);
-
- apply_gain_automation = false;
-
- {
- // IO::Meter is emitted from another thread so the
- // Meter signal must be protected.
- Glib::Mutex::Lock guard (m_meter_signal_lock);
- m_meter_connection = Meter.connect (mem_fun (*this, &IO::meter));
- }
-
- _session.add_controllable (_gain_control);
-
- setup_bundles_for_inputs_and_outputs ();
+ setup_bundle ();
}
IO::IO (Session& s, const XMLNode& node, DataType dt)
- : SessionObject(s, "unnamed io"),
- AutomatableControls (s),
- _output_buffers (new BufferSet()),
- _active(true),
- _default_type (dt)
+ : SessionObject(s, "unnamed io")
+ , _direction (Input)
+ , _default_type (dt)
{
- _meter = new PeakMeter (_session);
- _panner = 0;
- deferred_state = 0;
- no_panner_reset = false;
- _desired_gain = 1.0;
- _gain = 1.0;
-
- apply_gain_automation = false;
-
- boost::shared_ptr<AutomationList> gl(
- new AutomationList(Evoral::Parameter(GainAutomation)));
-
- _gain_control = boost::shared_ptr<GainControl>(
- new GainControl( X_("gaincontrol"), this, Evoral::Parameter(GainAutomation), gl));
-
- add_control(_gain_control);
-
- set_state (node);
-
- {
- // IO::Meter is emitted from another thread so the
- // Meter signal must be protected.
- Glib::Mutex::Lock guard (m_meter_signal_lock);
- m_meter_connection = Meter.connect (mem_fun (*this, &IO::meter));
- }
-
- _session.add_controllable (_gain_control);
+ _active = true;
+ pending_state_node = 0;
+ Port::PostDisconnect.connect_same_thread (*this, boost::bind (&IO::disconnect_check, this, _1, _2));
- setup_bundles_for_inputs_and_outputs ();
+ set_state (node, Stateful::loading_state_version);
+ setup_bundle ();
}
IO::~IO ()
{
- Glib::Mutex::Lock guard (m_meter_signal_lock);
Glib::Mutex::Lock lm (io_lock);
BLOCK_PROCESS_CALLBACK ();
- for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
- _session.engine().unregister_port (*i);
- }
-
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
_session.engine().unregister_port (*i);
}
-
- m_meter_connection.disconnect();
-
- delete _meter;
- delete _panner;
-}
-
-void
-IO::silence (nframes_t nframes, nframes_t offset)
-{
- /* io_lock, not taken: function must be called from Session::process() calltree */
-
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
- i->get_buffer(nframes,offset).silence (nframes, offset);
- }
}
-/** Deliver bufs to the IO's output ports
- *
- * This function should automatically do whatever it necessary to correctly deliver bufs
- * to the outputs, eg applying gain or pan or whatever else needs to be done.
- */
void
-IO::deliver_output (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset)
+IO::disconnect_check (boost::shared_ptr<Port> a, boost::shared_ptr<Port> b)
{
- // FIXME: type specific code doesn't actually need to be here, it will go away in time
-
- /* ********** AUDIO ********** */
-
- // Apply gain if gain automation isn't playing
- if ( ! apply_gain_automation) {
-
- gain_t dg = _gain; // desired gain
-
- {
- Glib::Mutex::Lock dm (declick_lock, Glib::TRY_LOCK);
-
- if (dm.locked()) {
- dg = _desired_gain;
- }
-
- }
-
- if (dg != _gain || dg != 1.0) {
- Amp::run_in_place(bufs, nframes, _gain, dg, _phase_invert);
- _gain = dg;
- }
- }
-
- /* do this so that any processing that comes after deliver_outputs()
- can use the output buffers.
+ /* this could be called from within our own ::disconnect() method(s)
+ or from somewhere that operates directly on a port. so, we don't
+ know for sure if we can take this lock or not. if we fail,
+ we assume that its safely locked by our own ::disconnect().
*/
- output_buffers().attach_buffers (_outputs, nframes, offset);
-
- // Use the panner to distribute audio to output port buffers
-
- if (0 && _panner && _panner->npanners() && !_panner->bypassed()) {
+ Glib::Mutex::Lock tm (io_lock, Glib::TRY_LOCK);
- /* blech .. we shouldn't be creating and tearing this down every process()
- cycle. XXX fix me to not waste cycles and do memory allocation etc.
- */
-
- _panner->run_out_of_place(bufs, output_buffers(), start_frame, end_frame, nframes, offset);
-
- } else {
-
- /* do a 1:1 copy of data to output ports */
-
- if (bufs.count().n_audio() > 0 && _outputs.count().n_audio () > 0) {
- copy_to_outputs (bufs, DataType::AUDIO, nframes, offset);
- }
- if (bufs.count().n_midi() > 0 && _outputs.count().n_midi () > 0) {
- copy_to_outputs (bufs, DataType::MIDI, nframes, offset);
+ if (tm.locked()) {
+ /* we took the lock, so we cannot be here from inside
+ * ::disconnect()
+ */
+ if (_ports.contains (a) || _ports.contains (b)) {
+ changed (IOChange (IOChange::ConnectionsChanged), this); /* EMIT SIGNAL */
}
+ } else {
+ /* we didn't get the lock, so assume that we're inside
+ * ::disconnect(), and it will call changed() appropriately.
+ */
}
}
void
-IO::copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes, nframes_t offset)
+IO::increment_port_buffer_offset (pframes_t offset)
{
- // Copy any buffers 1:1 to outputs
-
- PortSet::iterator o = _outputs.begin(type);
- BufferSet::iterator i = bufs.begin(type);
- BufferSet::iterator prev = i;
-
- while (i != bufs.end(type) && o != _outputs.end (type)) {
-
- Buffer& port_buffer (o->get_buffer (nframes, offset));
- port_buffer.read_from (*i, nframes, offset);
+ /* io_lock, not taken: function must be called from Session::process() calltree */
- prev = i;
- ++i;
- ++o;
- }
-
- /* extra outputs get a copy of the last buffer */
-
- while (o != _outputs.end(type)) {
- Buffer& port_buffer (o->get_buffer (nframes, offset));
- port_buffer.read_from(*prev, nframes, offset);
- ++o;
- }
+ if (_direction == Output) {
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ i->increment_port_buffer_offset (offset);
+ }
+ }
}
void
-IO::collect_input (BufferSet& outs, nframes_t nframes, nframes_t offset)
+IO::silence (framecnt_t nframes)
{
- assert(outs.available() >= n_inputs());
-
- if (n_inputs() == ChanCount::ZERO)
- return;
-
- outs.set_count(n_inputs());
-
- for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
-
- BufferSet::iterator o = outs.begin(*t);
- PortSet::iterator e = _inputs.end (*t);
- for (PortSet::iterator i = _inputs.begin(*t); i != e; ++i, ++o) {
- Buffer& b (i->get_buffer (nframes,offset));
- o->read_from (b, nframes, offset);
- }
+ /* io_lock, not taken: function must be called from Session::process() calltree */
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ i->get_buffer(nframes).silence (nframes);
}
}
+/** Set _bundles_connected to those bundles that are connected such that every
+ * port on every bundle channel x is connected to port x in _ports.
+ */
void
-IO::just_meter_input (nframes_t start_frame, nframes_t end_frame,
- nframes_t nframes, nframes_t offset)
-{
- BufferSet& bufs = _session.get_scratch_buffers (n_inputs());
-
- collect_input (bufs, nframes, offset);
-
- _meter->run_in_place(bufs, start_frame, end_frame, nframes, offset);
-}
-
-
-void
-IO::check_bundles_connected_to_inputs ()
-{
- check_bundles (_bundles_connected_to_inputs, inputs());
-}
-
-void
-IO::check_bundles_connected_to_outputs ()
+IO::check_bundles_connected ()
{
- check_bundles (_bundles_connected_to_outputs, outputs());
-}
+ std::vector<UserBundleInfo*> new_list;
-void
-IO::check_bundles (std::vector<UserBundleInfo>& list, const PortSet& ports)
-{
- std::vector<UserBundleInfo> new_list;
-
- for (std::vector<UserBundleInfo>::iterator i = list.begin(); i != list.end(); ++i) {
+ for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
- uint32_t const N = i->bundle->nchannels ();
+ uint32_t const N = (*i)->bundle->nchannels().n_total();
- if (ports.num_ports (default_type()) < N) {
+ if (_ports.num_ports() < N) {
continue;
}
for (uint32_t j = 0; j < N; ++j) {
/* Every port on bundle channel j must be connected to our input j */
- Bundle::PortList const pl = i->bundle->channel_ports (j);
+ Bundle::PortList const pl = (*i)->bundle->channel_ports (j);
for (uint32_t k = 0; k < pl.size(); ++k) {
- if (ports.port(j)->connected_to (pl[k]) == false) {
+ if (_ports.port(j)->connected_to (pl[k]) == false) {
ok = false;
break;
}
if (ok) {
new_list.push_back (*i);
} else {
- i->changed.disconnect ();
+ delete *i;
}
}
- list = new_list;
+ _bundles_connected = new_list;
}
int
-IO::disconnect_input (Port* our_port, string other_port, void* src)
+IO::disconnect (boost::shared_ptr<Port> our_port, string other_port, void* src)
{
if (other_port.length() == 0 || our_port == 0) {
return 0;
}
- {
- BLOCK_PROCESS_CALLBACK ();
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- /* check that our_port is really one of ours */
-
- if ( ! _inputs.contains(our_port)) {
- return -1;
- }
-
- /* disconnect it from the source */
-
- if (our_port->disconnect (other_port)) {
- error << string_compose(_("IO: cannot disconnect input port %1 from %2"), our_port->name(), other_port) << endmsg;
- return -1;
- }
+ {
+ Glib::Mutex::Lock lm (io_lock);
- check_bundles_connected_to_inputs ();
- }
- }
+ /* check that our_port is really one of ours */
- input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
- _session.set_dirty ();
+ if ( ! _ports.contains(our_port)) {
+ return -1;
+ }
- return 0;
-}
+ /* disconnect it from the source */
-int
-IO::connect_input (Port* our_port, string other_port, void* src)
-{
- if (other_port.length() == 0 || our_port == 0) {
- return 0;
- }
+ if (our_port->disconnect (other_port)) {
+ error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
+ return -1;
+ }
- {
- BLOCK_PROCESS_CALLBACK ();
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- /* check that our_port is really one of ours */
-
- if ( ! _inputs.contains(our_port) ) {
- return -1;
- }
-
- /* connect it to the source */
+ check_bundles_connected ();
+ }
- if (our_port->connect (other_port)) {
- return -1;
- }
- }
- }
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
- input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
_session.set_dirty ();
+
return 0;
}
int
-IO::disconnect_output (Port* our_port, string other_port, void* src)
+IO::connect (boost::shared_ptr<Port> our_port, string other_port, void* src)
{
if (other_port.length() == 0 || our_port == 0) {
return 0;
}
{
- BLOCK_PROCESS_CALLBACK ();
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- /* check that our_port is really one of ours */
-
- if ( ! _outputs.contains(our_port) ) {
- return -1;
- }
-
- /* disconnect it from the destination */
-
- if (our_port->disconnect (other_port)) {
- error << string_compose(_("IO: cannot disconnect output port %1 from %2"), our_port->name(), other_port) << endmsg;
- return -1;
- }
-
- check_bundles_connected_to_outputs ();
- }
- }
+ Glib::Mutex::Lock lm (io_lock);
- output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
- _session.set_dirty ();
- return 0;
-}
+ /* check that our_port is really one of ours */
-int
-IO::connect_output (Port* our_port, string other_port, void* src)
-{
- if (other_port.length() == 0 || our_port == 0) {
- return 0;
- }
+ if ( ! _ports.contains(our_port) ) {
+ return -1;
+ }
- {
- BLOCK_PROCESS_CALLBACK ();
+ /* connect it to the source */
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- /* check that our_port is really one of ours */
-
- if ( ! _outputs.contains(our_port) ) {
- return -1;
- }
-
- /* connect it to the destination */
-
- if (our_port->connect (other_port)) {
- return -1;
- }
+ if (our_port->connect (other_port)) {
+ return -1;
}
}
-
- output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
_session.set_dirty ();
return 0;
}
int
-IO::set_input (Port* other_port, void* src)
+IO::remove_port (boost::shared_ptr<Port> port, void* src)
{
- /* this removes all but one ports, and connects that one port
- to the specified source.
- */
-
- if (_input_minimum.n_total() > 1) {
- /* sorry, you can't do this */
- return -1;
- }
-
- if (other_port == 0) {
- if (_input_minimum == ChanCount::ZERO) {
- return ensure_inputs (ChanCount::ZERO, false, true, src);
- } else {
- return -1;
- }
- }
+ ChanCount before = _ports.count ();
+ ChanCount after = before;
+ after.set (port->type(), after.get (port->type()) - 1);
- if (ensure_inputs (ChanCount(other_port->type(), 1), true, true, src)) {
+ boost::optional<bool> const r = PortCountChanging (after); /* EMIT SIGNAL */
+ if (r.get_value_or (false)) {
return -1;
}
- return connect_input (_inputs.port(0), other_port->name(), src);
-}
-
-int
-IO::remove_output_port (Port* port, void* src)
-{
- IOChange change (NoChange);
+ IOChange change;
{
BLOCK_PROCESS_CALLBACK ();
-
{
Glib::Mutex::Lock lm (io_lock);
- if (n_outputs() <= _output_minimum) {
- /* sorry, you can't do this */
- return -1;
- }
-
- if (_outputs.remove(port)) {
- change = IOChange (change|ConfigurationChanged);
+ if (_ports.remove(port)) {
+ change.type = IOChange::Type (change.type | IOChange::ConfigurationChanged);
+ change.before = before;
+ change.after = _ports.count ();
if (port->connected()) {
- change = IOChange (change|ConnectionsChanged);
- }
-
- _session.engine().unregister_port (*port);
- check_bundles_connected_to_outputs ();
-
- setup_peak_meters ();
- reset_panner ();
+ change.type = IOChange::Type (change.type | IOChange::ConnectionsChanged);
+ }
+
+ _session.engine().unregister_port (port);
+ check_bundles_connected ();
}
}
- PortCountChanged (n_outputs()); /* EMIT SIGNAL */
+ PortCountChanged (n_ports()); /* EMIT SIGNAL */
+
+ if (change.type != IOChange::NoChange) {
+ changed (change, src);
+ _buffers.attach_buffers (_ports);
+ }
}
- if (change == ConfigurationChanged) {
- setup_bundle_for_outputs ();
+ if (change.type & IOChange::ConfigurationChanged) {
+ setup_bundle ();
}
- if (change != NoChange) {
- output_changed (change, src);
- _session.set_dirty ();
- return 0;
+ if (change.type == IOChange::NoChange) {
+ return -1;
}
- return -1;
+ _session.set_dirty ();
+
+ return 0;
}
-/** Add an output port.
+/** Add a port.
*
- * @param destination Name of input port to connect new port to.
+ * @param destination Name of port to connect new port to.
* @param src Source for emitted ConfigurationChanged signal.
* @param type Data type of port. Default value (NIL) will use this IO's default type.
*/
int
-IO::add_output_port (string destination, void* src, DataType type)
+IO::add_port (string destination, void* src, DataType type)
{
- Port* our_port;
+ boost::shared_ptr<Port> our_port;
- if (type == DataType::NIL)
+ if (type == DataType::NIL) {
type = _default_type;
+ }
+
+ ChanCount before = _ports.count ();
+ ChanCount after = before;
+ after.set (type, after.get (type) + 1);
+
+ bool const r = PortCountChanging (after); /* EMIT SIGNAL */
+ if (r) {
+ return -1;
+ }
+
+ IOChange change;
{
BLOCK_PROCESS_CALLBACK ();
-
- {
+
+ {
Glib::Mutex::Lock lm (io_lock);
+
+ /* Create a new port */
+
+ string portname = build_legal_port_name (type);
- if (n_outputs() >= _output_maximum) {
- return -1;
- }
-
- /* Create a new output port */
-
- string portname = build_legal_port_name (type, false);
-
- if ((our_port = _session.engine().register_output_port (type, portname)) == 0) {
- error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
- return -1;
+ if (_direction == Input) {
+ if ((our_port = _session.engine().register_input_port (type, portname)) == 0) {
+ error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
+ return -1;
+ }
+ } else {
+ if ((our_port = _session.engine().register_output_port (type, portname)) == 0) {
+ error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
+ return -1;
+ }
}
-
- _outputs.add (our_port);
- setup_peak_meters ();
- reset_panner ();
- }
- PortCountChanged (n_outputs()); /* EMIT SIGNAL */
+ change.before = _ports.count ();
+ _ports.add (our_port);
+ }
+
+ PortCountChanged (n_ports()); /* EMIT SIGNAL */
+ change.type = IOChange::ConfigurationChanged;
+ change.after = _ports.count ();
+ changed (change, src); /* EMIT SIGNAL */
+ _buffers.attach_buffers (_ports);
}
- if (destination.length()) {
+ if (!destination.empty()) {
if (our_port->connect (destination)) {
return -1;
}
}
-
- // pan_changed (src); /* EMIT SIGNAL */
- output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
- setup_bundle_for_outputs ();
+
+ setup_bundle ();
_session.set_dirty ();
return 0;
}
int
-IO::remove_input_port (Port* port, void* src)
+IO::disconnect (void* src)
{
- IOChange change (NoChange);
-
{
- BLOCK_PROCESS_CALLBACK ();
+ Glib::Mutex::Lock lm (io_lock);
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- if (n_inputs() <= _input_minimum) {
- /* sorry, you can't do this */
- return -1;
- }
-
- if (_inputs.remove(port)) {
- change = IOChange (change|ConfigurationChanged);
-
- if (port->connected()) {
- change = IOChange (change|ConnectionsChanged);
- }
-
- _session.engine().unregister_port (*port);
- check_bundles_connected_to_inputs ();
-
- setup_peak_meters ();
- reset_panner ();
- }
- }
-
- PortCountChanged (n_inputs ()); /* EMIT SIGNAL */
- }
-
- if (change == ConfigurationChanged) {
- setup_bundle_for_inputs ();
- }
-
- if (change != NoChange) {
- input_changed (change, src);
- _session.set_dirty ();
- return 0;
- }
-
- return -1;
-}
-
-
-/** Add an input port.
- *
- * @param type Data type of port. The appropriate port type, and @ref Port will be created.
- * @param destination Name of input port to connect new port to.
- * @param src Source for emitted ConfigurationChanged signal.
- */
-int
-IO::add_input_port (string source, void* src, DataType type)
-{
- Port* our_port;
-
- if (type == DataType::NIL)
- type = _default_type;
-
- {
- BLOCK_PROCESS_CALLBACK ();
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- if (_input_maximum.get(type) >= 0 && n_inputs().get (type) >= _input_maximum.get (type)) {
- return -1;
- }
-
- /* Create a new input port */
-
- string portname = build_legal_port_name (type, true);
-
- if ((our_port = _session.engine().register_input_port (type, portname)) == 0) {
- error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
- return -1;
- }
-
- _inputs.add (our_port);
- setup_peak_meters ();
- reset_panner ();
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ i->disconnect_all ();
}
- PortCountChanged (n_inputs()); /* EMIT SIGNAL */
+ check_bundles_connected ();
}
- if (source.length()) {
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
- if (our_port->connect (source)) {
- return -1;
- }
- }
-
- // pan_changed (src); /* EMIT SIGNAL */
- input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
- setup_bundle_for_inputs ();
- _session.set_dirty ();
-
return 0;
}
+/** Caller must hold process lock */
int
-IO::disconnect_inputs (void* src)
+IO::ensure_ports_locked (ChanCount count, bool clear, bool& changed)
{
- {
- BLOCK_PROCESS_CALLBACK ();
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
- i->disconnect_all ();
- }
+ assert (!AudioEngine::instance()->process_lock().trylock());
- check_bundles_connected_to_inputs ();
- }
- }
-
- input_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
-
- return 0;
-}
-
-int
-IO::disconnect_outputs (void* src)
-{
- {
- BLOCK_PROCESS_CALLBACK ();
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
- i->disconnect_all ();
- }
-
- check_bundles_connected_to_outputs ();
- }
- }
-
- output_changed (ConnectionsChanged, src); /* EMIT SIGNAL */
- _session.set_dirty ();
-
- return 0;
-}
-
-bool
-IO::ensure_inputs_locked (ChanCount count, bool clear, void* src)
-{
- Port* input_port = 0;
- bool changed = false;
+ boost::shared_ptr<Port> port;
+ changed = false;
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
-
+
const size_t n = count.get(*t);
-
+
/* remove unused ports */
- for (size_t i = n_inputs().get(*t); i > n; --i) {
- input_port = _inputs.port(*t, i-1);
+ for (size_t i = n_ports().get(*t); i > n; --i) {
+ port = _ports.port(*t, i-1);
- assert(input_port);
- _inputs.remove(input_port);
- _session.engine().unregister_port (*input_port);
+ assert(port);
+ _ports.remove(port);
+ _session.engine().unregister_port (port);
changed = true;
}
/* create any necessary new ports */
- while (n_inputs().get(*t) < n) {
+ while (n_ports().get(*t) < n) {
- string portname = build_legal_port_name (*t, true);
+ string portname = build_legal_port_name (*t);
try {
- if ((input_port = _session.engine().register_input_port (*t, portname)) == 0) {
- error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
- return -1;
- }
- }
-
- catch (AudioEngine::PortRegistrationFailure& err) {
- setup_peak_meters ();
- reset_panner ();
- /* pass it on */
- throw AudioEngine::PortRegistrationFailure();
- }
-
- _inputs.add (input_port);
- changed = true;
- }
- }
-
- if (changed) {
- check_bundles_connected_to_inputs ();
- setup_peak_meters ();
- reset_panner ();
- PortCountChanged (n_inputs()); /* EMIT SIGNAL */
- _session.set_dirty ();
- }
-
- if (clear) {
- /* disconnect all existing ports so that we get a fresh start */
- for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
- i->disconnect_all ();
- }
- }
-
- return changed;
-}
-
-int
-IO::ensure_io (ChanCount in, ChanCount out, bool clear, void* src)
-{
- bool in_changed = false;
- bool out_changed = false;
- bool need_pan_reset = false;
-
- in = min (_input_maximum, in);
-
- out = min (_output_maximum, out);
-
- if (in == n_inputs() && out == n_outputs() && !clear) {
- return 0;
- }
-
- {
- BLOCK_PROCESS_CALLBACK ();
- Glib::Mutex::Lock lm (io_lock);
-
- Port* port;
-
- if (n_outputs() != out) {
- need_pan_reset = true;
- }
-
- for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
-
- const size_t nin = in.get(*t);
- const size_t nout = out.get(*t);
-
- Port* output_port = 0;
- Port* input_port = 0;
-
- /* remove unused output ports */
- for (size_t i = n_outputs().get(*t); i > nout; --i) {
- output_port = _outputs.port(*t, i-1);
-
- assert(output_port);
- _outputs.remove(output_port);
- _session.engine().unregister_port (*output_port);
-
- out_changed = true;
- }
-
- /* remove unused input ports */
- for (size_t i = n_inputs().get(*t); i > nin; --i) {
- input_port = _inputs.port(*t, i-1);
-
- assert(input_port);
- _inputs.remove(input_port);
- _session.engine().unregister_port (*input_port);
-
- in_changed = true;
- }
-
- /* create any necessary new input ports */
-
- while (n_inputs().get(*t) < nin) {
-
- string portname = build_legal_port_name (*t, true);
-
- try {
+ if (_direction == Input) {
if ((port = _session.engine().register_input_port (*t, portname)) == 0) {
error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
return -1;
}
- }
-
- catch (AudioEngine::PortRegistrationFailure& err) {
- setup_peak_meters ();
- reset_panner ();
- /* pass it on */
- throw AudioEngine::PortRegistrationFailure();
- }
-
- _inputs.add (port);
- in_changed = true;
- }
-
- /* create any necessary new output ports */
-
- while (n_outputs().get(*t) < nout) {
-
- string portname = build_legal_port_name (*t, false);
-
- try {
+ } else {
if ((port = _session.engine().register_output_port (*t, portname)) == 0) {
error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
return -1;
}
}
-
- catch (AudioEngine::PortRegistrationFailure& err) {
- setup_peak_meters ();
- reset_panner ();
- /* pass it on */
- throw AudioEngine::PortRegistrationFailure ();
- }
-
- _outputs.add (port);
- out_changed = true;
- }
- }
-
- if (clear) {
-
- /* disconnect all existing ports so that we get a fresh start */
-
- for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
- i->disconnect_all ();
}
-
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
- i->disconnect_all ();
- }
- }
-
- if (in_changed || out_changed) {
- setup_peak_meters ();
- reset_panner ();
- }
- }
-
- if (out_changed) {
- check_bundles_connected_to_outputs ();
- output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
- setup_bundle_for_outputs ();
- }
-
- if (in_changed) {
- check_bundles_connected_to_inputs ();
- input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
- setup_bundle_for_inputs ();
- }
-
- if (in_changed || out_changed) {
- PortCountChanged (max (n_outputs(), n_inputs())); /* EMIT SIGNAL */
- _session.set_dirty ();
- }
-
- return 0;
-}
-
-int
-IO::ensure_inputs (ChanCount count, bool clear, bool lockit, void* src)
-{
- bool changed = false;
-
- count = min (_input_maximum, count);
-
- if (count == n_inputs() && !clear) {
- return 0;
- }
-
- if (lockit) {
- BLOCK_PROCESS_CALLBACK ();
- Glib::Mutex::Lock im (io_lock);
- changed = ensure_inputs_locked (count, clear, src);
- } else {
- changed = ensure_inputs_locked (count, clear, src);
- }
-
- if (changed) {
- input_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
- setup_bundle_for_inputs ();
- _session.set_dirty ();
- }
- return 0;
-}
-bool
-IO::ensure_outputs_locked (ChanCount count, bool clear, void* src)
-{
- Port* output_port = 0;
- bool changed = false;
- bool need_pan_reset = false;
-
- if (n_outputs() != count) {
- need_pan_reset = true;
- }
-
- for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
-
- const size_t n = count.get(*t);
-
- /* remove unused ports */
- for (size_t i = n_outputs().get(*t); i > n; --i) {
- output_port = _outputs.port(*t, i-1);
-
- assert(output_port);
- _outputs.remove(output_port);
- _session.engine().unregister_port (*output_port);
-
- changed = true;
- }
-
- /* create any necessary new ports */
- while (n_outputs().get(*t) < n) {
-
- string portname = build_legal_port_name (*t, false);
-
- if ((output_port = _session.engine().register_output_port (*t, portname)) == 0) {
- error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
- return -1;
+ catch (AudioEngine::PortRegistrationFailure& err) {
+ /* pass it on */
+ throw;
}
- _outputs.add (output_port);
+ _ports.add (port);
changed = true;
- setup_peak_meters ();
-
- if (need_pan_reset) {
- reset_panner ();
- }
}
}
-
+
if (changed) {
- check_bundles_connected_to_outputs ();
- PortCountChanged (n_outputs()); /* EMIT SIGNAL */
+ check_bundles_connected ();
+ PortCountChanged (n_ports()); /* EMIT SIGNAL */
_session.set_dirty ();
}
-
+
if (clear) {
/* disconnect all existing ports so that we get a fresh start */
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
i->disconnect_all ();
}
}
- return changed;
+ return 0;
}
+/** Caller must hold process lock */
int
-IO::ensure_outputs (ChanCount count, bool clear, bool lockit, void* src)
+IO::ensure_ports (ChanCount count, bool clear, void* src)
{
+ assert (!AudioEngine::instance()->process_lock().trylock());
+
bool changed = false;
- if (_output_maximum < ChanCount::INFINITE) {
- count = min (_output_maximum, count);
- if (count == n_outputs() && !clear) {
- return 0;
- }
+ if (count == n_ports() && !clear) {
+ return 0;
}
- /* XXX caller should hold io_lock, but generally doesn't */
+ IOChange change;
- if (lockit) {
- BLOCK_PROCESS_CALLBACK ();
+ change.before = _ports.count ();
+
+ {
Glib::Mutex::Lock im (io_lock);
- changed = ensure_outputs_locked (count, clear, src);
- } else {
- changed = ensure_outputs_locked (count, clear, src);
+ if (ensure_ports_locked (count, clear, changed)) {
+ return -1;
+ }
}
if (changed) {
- output_changed (ConfigurationChanged, src); /* EMIT SIGNAL */
- setup_bundle_for_outputs ();
+ change.after = _ports.count ();
+ change.type = IOChange::ConfigurationChanged;
+ this->changed (change, src); /* EMIT SIGNAL */
+ _buffers.attach_buffers (_ports);
+ setup_bundle ();
+ _session.set_dirty ();
}
return 0;
}
-gain_t
-IO::effective_gain () const
-{
- if (_gain_control->automation_playback()) {
- return _gain_control->get_value();
- } else {
- return _desired_gain;
- }
-}
-
-void
-IO::reset_panner ()
-{
- if (panners_legal) {
- if (!no_panner_reset) {
- _panner->reset (n_outputs().n_audio(), pans_required());
- }
- } else {
- panner_legal_c.disconnect ();
- panner_legal_c = PannersLegal.connect (mem_fun (*this, &IO::panners_became_legal));
- }
-}
-
+/** Caller must hold process lock */
int
-IO::panners_became_legal ()
+IO::ensure_io (ChanCount count, bool clear, void* src)
{
- _panner->reset (n_outputs().n_audio(), pans_required());
- _panner->load (); // automation
- panner_legal_c.disconnect ();
- return 0;
-}
+ assert (!AudioEngine::instance()->process_lock().trylock());
-void
-IO::defer_pan_reset ()
-{
- no_panner_reset = true;
+ return ensure_ports (count, clear, src);
}
-void
-IO::allow_pan_reset ()
-{
- no_panner_reset = false;
- reset_panner ();
-}
-
-
XMLNode&
-IO::get_state (void)
+IO::get_state ()
{
return state (true);
}
XMLNode&
-IO::state (bool full_state)
+IO::state (bool /*full_state*/)
{
XMLNode* node = new XMLNode (state_node_name);
char buf[64];
node->add_property("name", _name);
id().print (buf, sizeof (buf));
node->add_property("id", buf);
+ node->add_property ("direction", enum_2_string (_direction));
+ node->add_property ("default-type", _default_type.to_string());
- for (
- std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_inputs.begin();
- i != _bundles_connected_to_inputs.end();
- ++i
- )
- {
- XMLNode* n = new XMLNode ("InputBundle");
- n->add_property ("name", i->bundle->name ());
+ for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
+ XMLNode* n = new XMLNode ("Bundle");
+ n->add_property ("name", (*i)->bundle->name ());
node->add_child_nocopy (*n);
}
- for (
- std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_outputs.begin();
- i != _bundles_connected_to_outputs.end();
- ++i
- )
- {
- XMLNode* n = new XMLNode ("OutputBundle");
- n->add_property ("name", i->bundle->name ());
- node->add_child_nocopy (*n);
- }
-
- str = "";
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
- for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
-
vector<string> connections;
+ XMLNode* pnode = new XMLNode (X_("Port"));
+ pnode->add_property (X_("type"), i->type().to_string());
+ pnode->add_property (X_("name"), i->name());
+
if (i->get_connections (connections)) {
- str += '{';
-
for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) {
- if (n) {
- str += ',';
- }
-
+
/* if its a connection to our own port,
return only the port name, not the
whole thing. this allows connections
to be re-established even when our
client name is different.
*/
-
- str += _session.engine().make_port_name_relative (*ci);
- }
-
- str += '}';
- } else {
- str += "{}";
- }
- }
-
- node->add_property ("inputs", str);
-
- str = "";
-
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
-
- vector<string> connections;
+ XMLNode* cnode = new XMLNode (X_("Connection"));
- if (i->get_connections (connections)) {
-
- str += '{';
-
- for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) {
- if (n) {
- str += ',';
- }
-
- str += _session.engine().make_port_name_relative (*ci);
+ cnode->add_property (X_("other"), _session.engine().make_port_name_relative (*ci));
+ pnode->add_child_nocopy (*cnode);
}
-
- str += '}';
-
- } else {
- str += "{}";
}
- }
-
- node->add_property ("outputs", str);
-
- node->add_child_nocopy (_panner->state (full_state));
- node->add_child_nocopy (_gain_control->get_state ());
-
- snprintf (buf, sizeof(buf), "%2.12f", gain());
- node->add_property ("gain", buf);
-
- /* To make backwards compatibility a bit easier, write ChanCount::INFINITE to the session file
- as -1.
- */
-
- int const in_max = _input_maximum == ChanCount::INFINITE ? -1 : _input_maximum.get(_default_type);
- int const out_max = _output_maximum == ChanCount::INFINITE ? -1 : _output_maximum.get(_default_type);
-
- snprintf (buf, sizeof(buf)-1, "%d,%d,%d,%d", _input_minimum.get(_default_type), in_max, _output_minimum.get(_default_type), out_max);
- node->add_property ("iolimits", buf);
+ node->add_child_nocopy (*pnode);
+ }
- /* automation */
+ snprintf (buf, sizeof (buf), "%" PRId64, _user_latency);
+ node->add_property (X_("user-latency"), buf);
- if (full_state)
- node->add_child_nocopy (get_automation_state());
-
return *node;
}
int
-IO::set_state (const XMLNode& node)
+IO::set_state (const XMLNode& node, int version)
{
+ /* callers for version < 3000 need to call set_state_2X directly, as A3 IOs
+ * are input OR output, not both, so the direction needs to be specified
+ * by the caller.
+ */
+ assert (version >= 3000);
+
const XMLProperty* prop;
XMLNodeConstIterator iter;
LocaleGuard lg (X_("POSIX"));
}
if ((prop = node.property ("name")) != 0) {
- _name = prop->value();
- /* used to set panner name with this, but no more */
+ set_name (prop->value());
}
- if ((prop = node.property ("id")) != 0) {
- _id = prop->value ();
+ if ((prop = node.property (X_("default-type"))) != 0) {
+ _default_type = DataType(prop->value());
+ assert(_default_type != DataType::NIL);
}
- int in_min = -1;
- int in_max = -1;
- int out_min = -1;
- int out_max = -1;
-
- if ((prop = node.property ("iolimits")) != 0) {
- sscanf (prop->value().c_str(), "%d,%d,%d,%d",
- &in_min, &in_max, &out_min, &out_max);
-
- /* Correct for the difference between the way we write things to session files and the
- way things are described by ChanCount; see comments in io.h about what the different
- ChanCount values mean. */
-
- if (in_min < 0) {
- _input_minimum = ChanCount::ZERO;
- } else {
- _input_minimum = ChanCount (_default_type, in_min);
- }
-
- if (in_max < 0) {
- _input_maximum = ChanCount::INFINITE;
- } else {
- _input_maximum = ChanCount (_default_type, in_max);
- }
-
- if (out_min < 0) {
- _output_minimum = ChanCount::ZERO;
- } else {
- _output_minimum = ChanCount (_default_type, out_min);
- }
-
- if (out_max < 0) {
- _output_maximum = ChanCount::INFINITE;
- } else {
- _output_maximum = ChanCount (_default_type, out_max);
- }
- }
-
- if ((prop = node.property ("gain")) != 0) {
- set_gain (atof (prop->value().c_str()), this);
- _gain = _desired_gain;
- }
+ set_id (node);
- if ((prop = node.property ("automation-state")) != 0 || (prop = node.property ("automation-style")) != 0) {
- /* old school automation handling */
+ if ((prop = node.property ("direction")) != 0) {
+ _direction = (Direction) string_2_enum (prop->value(), _direction);
}
- for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
-
- // Old school Panner.
- if ((*iter)->name() == "Panner") {
- if (_panner == 0) {
- _panner = new Panner (_name, _session);
- }
- _panner->set_state (**iter);
- }
-
- if ((*iter)->name() == "Processor") {
- if ((*iter)->property ("type") && ((*iter)->property ("type")->value() == "panner" ) ) {
- if (_panner == 0) {
- _panner = new Panner (_name, _session);
- }
- _panner->set_state (**iter);
- }
- }
-
- if ((*iter)->name() == X_("Automation")) {
-
- set_automation_state (*(*iter), Evoral::Parameter(GainAutomation));
- }
-
- if ((*iter)->name() == X_("Controllable")) {
- if ((prop = (*iter)->property("name")) != 0 && prop->value() == "gaincontrol") {
- _gain_control->set_state (**iter);
- }
- }
- }
-
- if (ports_legal) {
-
- if (create_ports (node)) {
- return -1;
- }
-
- } else {
-
- port_legal_c = PortsLegal.connect (mem_fun (*this, &IO::ports_became_legal));
- }
-
- if( !_panner )
- _panner = new Panner( _name, _session );
- if (panners_legal) {
- reset_panner ();
- } else {
- panner_legal_c = PannersLegal.connect (mem_fun (*this, &IO::panners_became_legal));
+ if (create_ports (node, version)) {
+ return -1;
}
if (connecting_legal) {
- if (make_connections (node)) {
+ if (make_connections (node, version, false)) {
return -1;
}
} else {
-
- connection_legal_c = ConnectingLegal.connect (mem_fun (*this, &IO::connecting_became_legal));
- }
- if (!ports_legal || !connecting_legal) {
pending_state_node = new XMLNode (node);
+ pending_state_node_version = version;
+ pending_state_node_in = false;
+ ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
+ }
+
+ if ((prop = node.property ("user-latency")) != 0) {
+ _user_latency = atoi (prop->value ());
}
return 0;
}
int
-IO::load_automation (string path)
+IO::set_state_2X (const XMLNode& node, int version, bool in)
{
- string fullpath;
- ifstream in;
- char line[128];
- uint32_t linecnt = 0;
- float version;
+ const XMLProperty* prop;
+ XMLNodeConstIterator iter;
LocaleGuard lg (X_("POSIX"));
- fullpath = Glib::build_filename(_session.automation_dir(), path);
-
- in.open (fullpath.c_str());
+ /* force use of non-localized representation of decimal point,
+ since we use it a lot in XML files and so forth.
+ */
- if (!in) {
- fullpath = Glib::build_filename(_session.automation_dir(), _session.snap_name() + '-' + path);
+ if (node.name() != state_node_name) {
+ error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
+ return -1;
+ }
- in.open (fullpath.c_str());
+ if ((prop = node.property ("name")) != 0) {
+ set_name (prop->value());
+ }
- if (!in) {
- error << string_compose(_("%1: cannot open automation event file \"%2\""), _name, fullpath) << endmsg;
- return -1;
- }
+ if ((prop = node.property (X_("default-type"))) != 0) {
+ _default_type = DataType(prop->value());
+ assert(_default_type != DataType::NIL);
}
- clear_automation ();
+ set_id (node);
- while (in.getline (line, sizeof(line), '\n')) {
- char type;
- nframes_t when;
- double value;
+ _direction = in ? Input : Output;
- if (++linecnt == 1) {
- if (memcmp (line, "version", 7) == 0) {
- if (sscanf (line, "version %f", &version) != 1) {
- error << string_compose(_("badly formed version number in automation event file \"%1\""), path) << endmsg;
- return -1;
- }
- } else {
- error << string_compose(_("no version information in automation event file \"%1\""), path) << endmsg;
- return -1;
- }
+ if (create_ports (node, version)) {
+ return -1;
+ }
- continue;
- }
+ if (connecting_legal) {
- if (sscanf (line, "%c %" PRIu32 " %lf", &type, &when, &value) != 3) {
- warning << string_compose(_("badly formatted automation event record at line %1 of %2 (ignored)"), linecnt, path) << endmsg;
- continue;
+ if (make_connections_2X (node, version, in)) {
+ return -1;
}
- switch (type) {
- case 'g':
- _gain_control->list()->fast_simple_add (when, value);
- break;
-
- case 's':
- break;
-
- case 'm':
- break;
-
- case 'p':
- /* older (pre-1.0) versions of ardour used this */
- break;
+ } else {
- default:
- warning << _("dubious automation event found (and ignored)") << endmsg;
- }
+ pending_state_node = new XMLNode (node);
+ pending_state_node_version = version;
+ pending_state_node_in = in;
+ ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
}
return 0;
{
int ret;
- if (pending_state_node == 0) {
- fatal << _("IO::connecting_became_legal() called without a pending state node") << endmsg;
- /*NOTREACHED*/
- return -1;
- }
+ assert (pending_state_node);
connection_legal_c.disconnect ();
- ret = make_connections (*pending_state_node);
-
- if (ports_legal) {
- delete pending_state_node;
- pending_state_node = 0;
- }
+ ret = make_connections (*pending_state_node, pending_state_node_version, pending_state_node_in);
- return ret;
-}
-int
-IO::ports_became_legal ()
-{
- int ret;
-
- if (pending_state_node == 0) {
- fatal << _("IO::ports_became_legal() called without a pending state node") << endmsg;
- /*NOTREACHED*/
- return -1;
- }
-
- port_legal_c.disconnect ();
-
- ret = create_ports (*pending_state_node);
-
- if (connecting_legal) {
- delete pending_state_node;
- pending_state_node = 0;
- }
+ delete pending_state_node;
+ pending_state_node = 0;
return ret;
}
boost::shared_ptr<Bundle>
-IO::find_possible_bundle (const string &desired_name, const string &default_name, const string &bundle_type_name)
+IO::find_possible_bundle (const string &desired_name)
{
static const string digits = "0123456789";
+ const string &default_name = (_direction == Input ? _("in") : _("out"));
+ const string &bundle_type_name = (_direction == Input ? _("input") : _("output"));
boost::shared_ptr<Bundle> c = _session.bundle_by_name (desired_name);
// find numeric suffix of desired name
bundle_number = 0;
-
+
last_non_digit_pos = desired_name.find_last_not_of(digits);
if (last_non_digit_pos != string::npos) {
s << desired_name.substr(last_non_digit_pos);
s >> bundle_number;
}
-
+
// see if it's a stereo connection e.g. "in 3+4"
if (last_non_digit_pos > 1 && desired_name[last_non_digit_pos] == '+') {
- int left_bundle_number = 0;
string::size_type left_last_non_digit_pos;
left_last_non_digit_pos = desired_name.find_last_not_of(digits, last_non_digit_pos-1);
if (left_last_non_digit_pos != string::npos) {
+ int left_bundle_number = 0;
stringstream s;
s << desired_name.substr(left_last_non_digit_pos, last_non_digit_pos-1);
s >> left_bundle_number;
// find highest set bit
mask = 1;
while ((mask <= bundle_number) && (mask <<= 1)) {}
-
- // "wrap" bundle number into largest possible power of 2
+
+ // "wrap" bundle number into largest possible power of 2
// that works...
while (mask) {
if (bundle_number & mask) {
bundle_number &= ~mask;
-
+
stringstream s;
s << default_name << " " << bundle_number + 1;
if (stereo) {
s << "+" << bundle_number + 2;
}
-
+
possible_name = s.str();
if ((c = _session.bundle_by_name (possible_name)) != 0) {
}
int
-IO::create_ports (const XMLNode& node)
+IO::get_port_counts_2X (XMLNode const & node, int /*version*/, ChanCount& n, boost::shared_ptr<Bundle>& /*c*/)
{
XMLProperty const * prop;
- uint32_t num_inputs = 0;
- uint32_t num_outputs = 0;
+ XMLNodeList children = node.children ();
- if ((prop = node.property ("input-connection")) != 0) {
+ uint32_t n_audio = 0;
- boost::shared_ptr<Bundle> c = find_possible_bundle (prop->value(), _("in"), _("input"));
-
- if (!c) {
- return -1;
- }
+ for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
+
+ if ((prop = node.property ("inputs")) != 0 && _direction == Input) {
+ n_audio = count (prop->value().begin(), prop->value().end(), '{');
+ } else if ((prop = node.property ("input-connection")) != 0 && _direction == Input) {
+ n_audio = 1;
+ } else if ((prop = node.property ("outputs")) != 0 && _direction == Output) {
+ n_audio = count (prop->value().begin(), prop->value().end(), '{');
+ } else if ((prop = node.property ("output-connection")) != 0 && _direction == Output) {
+ n_audio = 2;
+ }
+ }
- num_inputs = c->nchannels();
+ ChanCount cnt;
+ cnt.set_audio (n_audio);
+ n = ChanCount::max (n, cnt);
- } else if ((prop = node.property ("inputs")) != 0) {
+ return 0;
+}
- num_inputs = count (prop->value().begin(), prop->value().end(), '{');
+int
+IO::get_port_counts (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c)
+{
+ if (version < 3000) {
+ return get_port_counts_2X (node, version, n, c);
}
-
- if ((prop = node.property ("output-connection")) != 0) {
- boost::shared_ptr<Bundle> c = find_possible_bundle(prop->value(), _("out"), _("output"));
+ XMLProperty const * prop;
+ XMLNodeConstIterator iter;
+ uint32_t n_audio = 0;
+ uint32_t n_midi = 0;
+ ChanCount cnt;
- if (!c) {
- return -1;
- }
+ n = n_ports();
- num_outputs = c->nchannels ();
-
- } else if ((prop = node.property ("outputs")) != 0) {
+ if ((prop = node.property ("connection")) != 0) {
- num_outputs = count (prop->value().begin(), prop->value().end(), '{');
+ if ((c = find_possible_bundle (prop->value())) != 0) {
+ n = ChanCount::max (n, c->nchannels());
+ }
+ return 0;
}
- no_panner_reset = true;
+ for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
- if (ensure_io (ChanCount (_default_type, num_inputs),
- ChanCount (_default_type, num_outputs),
- true, this)) {
-
- error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
- return -1;
- }
+ if ((*iter)->name() == X_("Bundle")) {
+ if ((c = find_possible_bundle (prop->value())) != 0) {
+ n = ChanCount::max (n, c->nchannels());
+ return 0;
+ } else {
+ return -1;
+ }
+ }
+
+ if ((*iter)->name() == X_("Port")) {
+ prop = (*iter)->property (X_("type"));
- no_panner_reset = false;
+ if (!prop) {
+ continue;
+ }
- set_deferred_state ();
+ if (prop->value() == X_("audio")) {
+ cnt.set_audio (++n_audio);
+ } else if (prop->value() == X_("midi")) {
+ cnt.set_midi (++n_midi);
+ }
+ }
+ }
- PortsCreated();
+ n = ChanCount::max (n, cnt);
return 0;
}
-
int
-IO::make_connections (const XMLNode& node)
+IO::create_ports (const XMLNode& node, int version)
{
+ ChanCount n;
+ boost::shared_ptr<Bundle> c;
- const XMLProperty* prop;
-
- if ((prop = node.property ("input-connection")) != 0) {
- boost::shared_ptr<Bundle> c = find_possible_bundle (prop->value(), _("in"), _("input"));
-
- if (!c) {
- return -1;
- }
+ get_port_counts (node, version, n, c);
- connect_input_ports_to_bundle (c, this);
+ {
+ Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
- } else if ((prop = node.property ("inputs")) != 0) {
- if (set_inputs (prop->value())) {
- error << string_compose(_("improper input channel list in XML node (%1)"), prop->value()) << endmsg;
+ if (ensure_ports (n, true, this)) {
+ error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
return -1;
}
}
- if ((prop = node.property ("output-connection")) != 0) {
- boost::shared_ptr<Bundle> c = find_possible_bundle (prop->value(), _("out"), _("output"));
-
- if (!c) {
- return -1;
- }
-
- connect_output_ports_to_bundle (c, this);
-
- } else if ((prop = node.property ("outputs")) != 0) {
- if (set_outputs (prop->value())) {
- error << string_compose(_("improper output channel list in XML node (%1)"), prop->value()) << endmsg;
- return -1;
- }
+ /* XXX use c */
+
+ return 0;
+}
+
+int
+IO::make_connections (const XMLNode& node, int version, bool in)
+{
+ if (version < 3000) {
+ return make_connections_2X (node, version, in);
}
+ const XMLProperty* prop;
+
for (XMLNodeConstIterator i = node.children().begin(); i != node.children().end(); ++i) {
- if ((*i)->name() == "InputBundle") {
+ if ((*i)->name() == "Bundle") {
XMLProperty const * prop = (*i)->property ("name");
if (prop) {
- boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value(), _("in"), _("input"));
+ boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value());
if (b) {
- connect_input_ports_to_bundle (b, this);
+ connect_ports_to_bundle (b, this);
+ }
+ }
+
+ return 0;
+ }
+
+ if ((*i)->name() == "Port") {
+
+ prop = (*i)->property (X_("name"));
+
+ if (!prop) {
+ continue;
+ }
+
+ boost::shared_ptr<Port> p = port_by_name (prop->value());
+
+ if (p) {
+ for (XMLNodeConstIterator c = (*i)->children().begin(); c != (*i)->children().end(); ++c) {
+
+ XMLNode* cnode = (*c);
+
+ if (cnode->name() != X_("Connection")) {
+ continue;
+ }
+
+ if ((prop = cnode->property (X_("other"))) == 0) {
+ continue;
+ }
+
+ if (prop) {
+ connect (p, prop->value(), this);
+ }
}
}
+ }
+ }
+
+ return 0;
+}
+
+void
+IO::prepare_for_reset (XMLNode& node, const std::string& name)
+{
+ /* reset name */
+ node.add_property ("name", name);
+
+ /* now find connections and reset the name of the port
+ in one so that when we re-use it it will match
+ the name of the thing we're applying it to.
+ */
+
+ XMLProperty* prop;
+ XMLNodeList children = node.children();
+
+ for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
+
+ if ((*i)->name() == "Port") {
+
+ prop = (*i)->property (X_("name"));
- } else if ((*i)->name() == "OutputBundle") {
- XMLProperty const * prop = (*i)->property ("name");
if (prop) {
- boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value(), _("out"), _("output"));
- if (b) {
- connect_output_ports_to_bundle (b, this);
- }
+ string new_name;
+ string old = prop->value();
+ string::size_type slash = old.find ('/');
+
+ if (slash != string::npos) {
+ /* port name is of form: <IO-name>/<port-name> */
+
+ new_name = name;
+ new_name += old.substr (old.find ('/'));
+
+ prop->set_value (new_name);
+ }
}
}
}
-
- return 0;
}
-int
-IO::set_inputs (const string& str)
-{
- vector<string> ports;
- int i;
- int n;
- uint32_t nports;
-
- if ((nports = count (str.begin(), str.end(), '{')) == 0) {
- return 0;
- }
- // FIXME: audio-only
- if (ensure_inputs (ChanCount(DataType::AUDIO, nports), true, true, this)) {
- return -1;
+int
+IO::make_connections_2X (const XMLNode& node, int /*version*/, bool in)
+{
+ const XMLProperty* prop;
+
+ /* XXX: bundles ("connections" as was) */
+
+ if ((prop = node.property ("inputs")) != 0 && in) {
+
+ string::size_type ostart = 0;
+ string::size_type start = 0;
+ string::size_type end = 0;
+ int i = 0;
+ int n;
+ vector<string> ports;
+
+ string const str = prop->value ();
+
+ while ((start = str.find_first_of ('{', ostart)) != string::npos) {
+ start += 1;
+
+ if ((end = str.find_first_of ('}', start)) == string::npos) {
+ error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
+ return -1;
+ }
+
+ if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
+ error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
+
+ return -1;
+
+ } else if (n > 0) {
+
+
+ for (int x = 0; x < n; ++x) {
+ /* XXX: this is a bit of a hack; need to check if it's always valid */
+ string::size_type const p = ports[x].find ("/out");
+ if (p != string::npos) {
+ ports[x].replace (p, 4, "/audio_out");
+ }
+ nth(i)->connect (ports[x]);
+ }
+ }
+
+ ostart = end+1;
+ i++;
+ }
+
}
- string::size_type start, end, ostart;
+ if ((prop = node.property ("outputs")) != 0 && !in) {
- ostart = 0;
- start = 0;
- end = 0;
- i = 0;
+ string::size_type ostart = 0;
+ string::size_type start = 0;
+ string::size_type end = 0;
+ int i = 0;
+ int n;
+ vector<string> ports;
- while ((start = str.find_first_of ('{', ostart)) != string::npos) {
- start += 1;
+ string const str = prop->value ();
- if ((end = str.find_first_of ('}', start)) == string::npos) {
- error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
- return -1;
- }
+ while ((start = str.find_first_of ('{', ostart)) != string::npos) {
+ start += 1;
- if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
- error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
+ if ((end = str.find_first_of ('}', start)) == string::npos) {
+ error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
+ return -1;
+ }
- return -1;
-
- } else if (n > 0) {
+ if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
+ error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
- for (int x = 0; x < n; ++x) {
- connect_input (input (i), ports[x], this);
+ return -1;
+
+ } else if (n > 0) {
+
+ for (int x = 0; x < n; ++x) {
+ /* XXX: this is a bit of a hack; need to check if it's always valid */
+ string::size_type const p = ports[x].find ("/in");
+ if (p != string::npos) {
+ ports[x].replace (p, 3, "/audio_in");
+ }
+ nth(i)->connect (ports[x]);
+ }
}
- }
- ostart = end+1;
- i++;
+ ostart = end+1;
+ i++;
+ }
}
return 0;
}
int
-IO::set_outputs (const string& str)
+IO::set_ports (const string& str)
{
vector<string> ports;
int i;
int n;
uint32_t nports;
-
+
if ((nports = count (str.begin(), str.end(), '{')) == 0) {
return 0;
}
- // FIXME: audio-only
- if (ensure_outputs (ChanCount(DataType::AUDIO, nports), true, true, this)) {
- return -1;
+ {
+ Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
+
+ // FIXME: audio-only
+ if (ensure_ports (ChanCount(DataType::AUDIO, nports), true, this)) {
+ return -1;
+ }
}
string::size_type start, end, ostart;
start += 1;
if ((end = str.find_first_of ('}', start)) == string::npos) {
- error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
+ error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
return -1;
}
if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
- error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
+ error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
return -1;
-
+
} else if (n > 0) {
for (int x = 0; x < n; ++x) {
- connect_output (output (i), ports[x], this);
+ connect (nth (i), ports[x], this);
}
}
ports.push_back (str.substr (opos, pos - opos));
opos = pos + 1;
}
-
+
if (opos < str.length()) {
ports.push_back (str.substr(opos));
}
ports.push_back (str.substr (opos, pos - opos));
opos = pos + 1;
}
-
+
if (opos < str.length()) {
ports.push_back (str.substr(opos));
}
bool
IO::set_name (const string& requested_name)
{
- if (requested_name == _name) {
+ string name = requested_name;
+
+ if (_name == name) {
return true;
}
-
- string name;
- Route *rt;
- if ( (rt = dynamic_cast<Route *>(this))) {
- name = Route::ensure_track_or_route_name(requested_name, _session);
- } else {
- name = requested_name;
- }
-
/* replace all colons in the name. i wish we didn't have to do this */
- if (replace_all (name, ":", "-")) {
- warning << _("you cannot use colons to name objects with I/O connections") << endmsg;
- }
-
- for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
- string current_name = i->name();
- current_name.replace (current_name.find (_name), _name.length(), name);
- i->set_name (current_name);
- }
+ replace_all (name, ":", "-");
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
string current_name = i->name();
- current_name.replace (current_name.find (_name), _name.length(), name);
+ current_name.replace (current_name.find (_name), _name.val().length(), name);
i->set_name (current_name);
}
- bool const r = SessionObject::set_name(name);
+ bool const r = SessionObject::set_name (name);
- setup_bundles_for_inputs_and_outputs ();
+ setup_bundle ();
return r;
}
-void
-IO::set_input_minimum (ChanCount n)
-{
- _input_minimum = n;
-}
-
-void
-IO::set_input_maximum (ChanCount n)
-{
- _input_maximum = n;
-}
-
-void
-IO::set_output_minimum (ChanCount n)
-{
- _output_minimum = n;
-}
-
-void
-IO::set_output_maximum (ChanCount n)
-{
- _output_maximum = n;
-}
-
-void
-IO::set_port_latency (nframes_t nframes)
-{
- Glib::Mutex::Lock lm (io_lock);
-
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
- i->set_latency (nframes);
- }
-}
-
-nframes_t
-IO::output_latency () const
+framecnt_t
+IO::latency () const
{
- nframes_t max_latency;
- nframes_t latency;
+ framecnt_t max_latency;
+ framecnt_t latency;
max_latency = 0;
/* io lock not taken - must be protected by other means */
- for (PortSet::const_iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
- if ((latency = i->total_latency ()) > max_latency) {
+ for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ if ((latency = i->private_latency_range (_direction == Output).max) > max_latency) {
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("port %1 has %2 latency of %3 - use\n",
+ name(),
+ ((_direction == Output) ? "PLAYBACK" : "CAPTURE"),
+ latency));
max_latency = latency;
}
}
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: max %4 latency from %2 ports = %3\n",
+ name(), _ports.num_ports(), max_latency,
+ ((_direction == Output) ? "PLAYBACK" : "CAPTURE")));
return max_latency;
}
-nframes_t
-IO::input_latency () const
-{
- nframes_t max_latency;
- nframes_t latency;
-
- max_latency = 0;
-
- /* io lock not taken - must be protected by other means */
-
- for (PortSet::const_iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
- if ((latency = i->total_latency ()) > max_latency) {
- max_latency = latency;
- }
- }
-
- return max_latency;
-}
-
-int
-IO::connect_input_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
-{
- {
- BLOCK_PROCESS_CALLBACK ();
- Glib::Mutex::Lock lm2 (io_lock);
-
- c->connect (_bundle_for_inputs, _session.engine());
-
- /* If this is a UserBundle, make a note of what we've done */
-
- boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
- if (ub) {
-
- /* See if we already know about this one */
- std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_inputs.begin();
- while (i != _bundles_connected_to_inputs.end() && i->bundle != ub) {
- ++i;
- }
-
- if (i == _bundles_connected_to_inputs.end()) {
- /* We don't, so make a note */
- _bundles_connected_to_inputs.push_back (UserBundleInfo (this, ub));
- }
- }
- }
-
- input_changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
- return 0;
-}
-
int
-IO::disconnect_input_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
+IO::connect_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
{
- {
- BLOCK_PROCESS_CALLBACK ();
- Glib::Mutex::Lock lm2 (io_lock);
-
- c->disconnect (_bundle_for_inputs, _session.engine());
-
- /* If this is a UserBundle, make a note of what we've done */
-
- boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
- if (ub) {
-
- std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_inputs.begin();
- while (i != _bundles_connected_to_inputs.end() && i->bundle != ub) {
- ++i;
- }
-
- if (i != _bundles_connected_to_inputs.end()) {
- _bundles_connected_to_inputs.erase (i);
- }
- }
- }
-
- input_changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
- return 0;
-}
+ BLOCK_PROCESS_CALLBACK ();
-int
-IO::connect_output_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
-{
{
- BLOCK_PROCESS_CALLBACK ();
Glib::Mutex::Lock lm2 (io_lock);
- c->connect (_bundle_for_outputs, _session.engine());
+ c->connect (_bundle, _session.engine());
/* If this is a UserBundle, make a note of what we've done */
if (ub) {
/* See if we already know about this one */
- std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_outputs.begin();
- while (i != _bundles_connected_to_outputs.end() && i->bundle != ub) {
+ std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
+ while (i != _bundles_connected.end() && (*i)->bundle != ub) {
++i;
}
- if (i == _bundles_connected_to_outputs.end()) {
+ if (i == _bundles_connected.end()) {
/* We don't, so make a note */
- _bundles_connected_to_outputs.push_back (UserBundleInfo (this, ub));
- }
- }
- }
-
- output_changed (IOChange (ConnectionsChanged|ConfigurationChanged), src); /* EMIT SIGNAL */
-
- return 0;
-}
-
-int
-IO::disconnect_output_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
-{
- {
- BLOCK_PROCESS_CALLBACK ();
- Glib::Mutex::Lock lm2 (io_lock);
-
- c->disconnect (_bundle_for_outputs, _session.engine());
-
- /* If this is a UserBundle, make a note of what we've done */
-
- boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
- if (ub) {
-
- std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_outputs.begin();
- while (i != _bundles_connected_to_outputs.end() && i->bundle != ub) {
- ++i;
- }
-
- if (i != _bundles_connected_to_outputs.end()) {
- _bundles_connected_to_outputs.erase (i);
- }
- }
- }
-
- output_changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
- return 0;
-}
-
-
-int
-IO::disable_connecting ()
-{
- connecting_legal = false;
- return 0;
-}
-
-int
-IO::enable_connecting ()
-{
- connecting_legal = true;
- return ConnectingLegal ();
-}
-
-int
-IO::disable_ports ()
-{
- ports_legal = false;
- return 0;
-}
-
-int
-IO::enable_ports ()
-{
- ports_legal = true;
- return PortsLegal ();
-}
-
-int
-IO::disable_panners (void)
-{
- panners_legal = false;
- return 0;
-}
-
-int
-IO::reset_panners ()
-{
- panners_legal = true;
- return PannersLegal ();
-}
-
-void
-IO::bundle_changed (Bundle::Change c)
-{
- //XXX
-// connect_input_ports_to_bundle (_input_bundle, this);
-}
-
-void
-IO::GainControl::set_value (float val)
-{
- // max gain at about +6dB (10.0 ^ ( 6 dB * 0.05))
- if (val > 1.99526231f)
- val = 1.99526231f;
-
- _io->set_gain (val, this);
-
- AutomationControl::set_value(val);
-}
-
-float
-IO::GainControl::get_value (void) const
-{
- return AutomationControl::get_value();
-}
-
-void
-IO::setup_peak_meters()
-{
- ChanCount max_streams = std::max (_inputs.count(), _outputs.count());
- _meter->configure_io (max_streams, max_streams);
-}
-
-/**
- Update the peak meters.
-
- The meter signal lock is taken to prevent modification of the
- Meter signal while updating the meters, taking the meter signal
- lock prior to taking the io_lock ensures that all IO will remain
- valid while metering.
-*/
-void
-IO::update_meters()
-{
- Glib::Mutex::Lock guard (m_meter_signal_lock);
- Meter(); /* EMIT SIGNAL */
-}
-
-void
-IO::meter ()
-{
- // FIXME: Ugly. Meter should manage the lock, if it's necessary
-
- Glib::Mutex::Lock lm (io_lock); // READER: meter thread.
- _meter->meter();
-}
-
-void
-IO::clear_automation ()
-{
- data().clear (); // clears gain automation
- _panner->data().clear();
-}
-
-void
-IO::set_parameter_automation_state (Evoral::Parameter param, AutoState state)
-{
- // XXX: would be nice to get rid of this special hack
-
- if (param.type() == GainAutomation) {
-
- bool changed = false;
-
- {
- Glib::Mutex::Lock lm (control_lock());
-
- boost::shared_ptr<AutomationList> gain_auto
- = boost::dynamic_pointer_cast<AutomationList>(_gain_control->list());
-
- if (state != gain_auto->automation_state()) {
- changed = true;
- _last_automation_snapshot = 0;
- gain_auto->set_automation_state (state);
-
- if (state != Off) {
- // FIXME: shouldn't this use Curve?
- set_gain (gain_auto->eval (_session.transport_frame()), this);
- }
+ _bundles_connected.push_back (new UserBundleInfo (this, ub));
}
}
-
- if (changed) {
- _session.set_dirty ();
- }
-
- } else {
- AutomatableControls::set_parameter_automation_state(param, state);
}
-}
-void
-IO::inc_gain (gain_t factor, void *src)
-{
- if (_desired_gain == 0.0f)
- set_gain (0.000001f + (0.000001f * factor), src);
- else
- set_gain (_desired_gain + (_desired_gain * factor), src);
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
+ return 0;
}
-void
-IO::set_gain (gain_t val, void *src)
+int
+IO::disconnect_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
{
- // max gain at about +6dB (10.0 ^ ( 6 dB * 0.05))
- if (val > 1.99526231f) {
- val = 1.99526231f;
- }
+ BLOCK_PROCESS_CALLBACK ();
- //cerr << "set desired gain to " << val << " when curgain = " << _gain_control->get_value () << endl;
+ {
+ Glib::Mutex::Lock lm2 (io_lock);
- if (src != _gain_control.get()) {
- _gain_control->set_value(val);
- // bit twisty, this will come back and call us again
- // (this keeps control in sync with reality)
- return;
- }
+ c->disconnect (_bundle, _session.engine());
- {
- Glib::Mutex::Lock dm (declick_lock);
- _desired_gain = val;
- }
+ /* If this is a UserBundle, make a note of what we've done */
- if (_session.transport_stopped()) {
- // _gain = val;
- }
-
- /*
- if (_session.transport_stopped() && src != 0 && src != this && _gain_control->automation_write()) {
- _gain_control->list()->add (_session.transport_frame(), val);
-
- }
- */
+ boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
+ if (ub) {
- _session.set_dirty();
-}
+ std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
+ while (i != _bundles_connected.end() && (*i)->bundle != ub) {
+ ++i;
+ }
-void
-IO::start_pan_touch (uint32_t which)
-{
- if (which < _panner->npanners()) {
- (*_panner).pan_control(which)->start_touch();
+ if (i != _bundles_connected.end()) {
+ delete *i;
+ _bundles_connected.erase (i);
+ }
+ }
}
+
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
+ return 0;
}
-void
-IO::end_pan_touch (uint32_t which)
-{
- if (which < _panner->npanners()) {
- (*_panner).pan_control(which)->stop_touch();
- }
+int
+IO::disable_connecting ()
+{
+ connecting_legal = false;
+ return 0;
}
-void
-IO::automation_snapshot (nframes_t now, bool force)
+int
+IO::enable_connecting ()
{
- AutomatableControls::automation_snapshot (now, force);
- // XXX: This seems to be wrong.
- // drobilla: shouldnt automation_snapshot for panner be called
- // "automagically" because its an Automatable now ?
- //
- // we could dump this whole method then. <3
-
- if (_last_automation_snapshot > now || (now - _last_automation_snapshot) > _automation_interval) {
- _panner->automation_snapshot (now, force);
- }
-
- _panner->automation_snapshot (now, force);
- _last_automation_snapshot = now;
+ Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
+ connecting_legal = true;
+ boost::optional<int> r = ConnectingLegal ();
+ return r.get_value_or (0);
}
void
-IO::transport_stopped (nframes_t frame)
+IO::bundle_changed (Bundle::Change /*c*/)
{
- _gain_control->list()->reposition_for_rt_add (frame);
-
- if (_gain_control->automation_state() != Off) {
-
- /* the src=0 condition is a special signal to not propagate
- automation gain changes into the mix group when locating.
- */
-
- // FIXME: shouldn't this use Curve?
- set_gain (_gain_control->list()->eval (frame), 0);
- }
-
- _panner->transport_stopped (frame);
+ /* XXX */
+// connect_input_ports_to_bundle (_input_bundle, this);
}
+
string
-IO::build_legal_port_name (DataType type, bool in)
+IO::build_legal_port_name (DataType type)
{
const int name_size = jack_port_name_size();
int limit;
string suffix;
- int maxports;
if (type == DataType::AUDIO) {
suffix = _("audio");
} else {
throw unknown_type();
}
-
- if (in) {
- suffix += _("_in");
- maxports = _input_maximum.get(type);
+
+ /* note that if "in" or "out" are translated it will break a session
+ across locale switches because a port's connection list will
+ show (old) translated names, but the current port name will
+ use the (new) translated name.
+ */
+
+ if (_direction == Input) {
+ suffix += X_("_in");
} else {
- suffix += _("_out");
- maxports = _output_maximum.get(type);
+ suffix += X_("_out");
}
-
- if (maxports == 1) {
- // allow space for the slash + the suffix
- limit = name_size - _session.engine().client_name().length() - (suffix.length() + 1);
- char buf[name_size+1];
- snprintf (buf, name_size+1, ("%.*s/%s"), limit, _name.c_str(), suffix.c_str());
- return string (buf);
- }
-
+
// allow up to 4 digits for the output port number, plus the slash, suffix and extra space
limit = name_size - _session.engine().client_name().length() - (suffix.length() + 5);
char buf1[name_size+1];
char buf2[name_size+1];
-
- snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.c_str(), suffix.c_str());
-
- int port_number;
-
- if (in) {
- port_number = find_input_port_hole (buf1);
- } else {
- port_number = find_output_port_hole (buf1);
- }
-
- snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
-
- return string (buf2);
-}
-
-int32_t
-IO::find_input_port_hole (const char* base)
-{
- /* CALLER MUST HOLD IO LOCK */
-
- uint32_t n;
- if (_inputs.empty()) {
- return 1;
- }
-
- /* we only allow up to 4 characters for the port number
- */
+ /* colons are illegal in port names, so fix that */
- for (n = 1; n < 9999; ++n) {
- char buf[jack_port_name_size()];
- PortSet::iterator i = _inputs.begin();
+ string nom = _name.val();
+ replace_all (nom, ":", ";");
- snprintf (buf, jack_port_name_size(), _("%s %u"), base, n);
+ snprintf (buf1, name_size+1, ("%.*s/%s"), limit, nom.c_str(), suffix.c_str());
- for ( ; i != _inputs.end(); ++i) {
- if (i->name() == buf) {
- break;
- }
- }
+ int port_number = find_port_hole (buf1);
+ snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
- if (i == _inputs.end()) {
- break;
- }
- }
- return n;
+ return string (buf2);
}
int32_t
-IO::find_output_port_hole (const char* base)
+IO::find_port_hole (const char* base)
{
/* CALLER MUST HOLD IO LOCK */
uint32_t n;
- if (_outputs.empty()) {
+ if (_ports.empty()) {
return 1;
}
for (n = 1; n < 9999; ++n) {
char buf[jack_port_name_size()];
- PortSet::iterator i = _outputs.begin();
+ PortSet::iterator i = _ports.begin();
snprintf (buf, jack_port_name_size(), _("%s %u"), base, n);
- for ( ; i != _outputs.end(); ++i) {
+ for ( ; i != _ports.end(); ++i) {
if (i->name() == buf) {
break;
}
}
- if (i == _outputs.end()) {
+ if (i == _ports.end()) {
break;
}
}
-
return n;
}
-void
-IO::set_active (bool yn)
-{
- _active = yn;
- active_changed(); /* EMIT SIGNAL */
-}
-AudioPort*
-IO::audio_input(uint32_t n) const
+boost::shared_ptr<AudioPort>
+IO::audio(uint32_t n) const
{
- return dynamic_cast<AudioPort*>(input(n));
-}
+ return _ports.nth_audio_port (n);
-AudioPort*
-IO::audio_output(uint32_t n) const
-{
- return dynamic_cast<AudioPort*>(output(n));
}
-MidiPort*
-IO::midi_input(uint32_t n) const
+boost::shared_ptr<MidiPort>
+IO::midi(uint32_t n) const
{
- return dynamic_cast<MidiPort*>(input(n));
+ return _ports.nth_midi_port (n);
}
-MidiPort*
-IO::midi_output(uint32_t n) const
-{
- return dynamic_cast<MidiPort*>(output(n));
-}
+/**
+ * Setup a bundle that describe our inputs or outputs. Also creates the bundle if necessary.
+ */
void
-IO::set_phase_invert (bool yn, void *src)
+IO::setup_bundle ()
{
- if (_phase_invert != yn) {
- _phase_invert = yn;
- // phase_invert_changed (src); /* EMIT SIGNAL */
- }
-}
+ char buf[32];
-void
-IO::set_denormal_protection (bool yn, void *src)
-{
- if (_denormal_protection != yn) {
- _denormal_protection = yn;
- // denormal_protection_changed (src); /* EMIT SIGNAL */
+ if (!_bundle) {
+ _bundle.reset (new Bundle (_direction == Input));
}
-}
-void
-IO::update_port_total_latencies ()
-{
- /* io_lock, not taken: function must be called from Session::process() calltree */
+ _bundle->suspend_signals ();
- for (PortSet::iterator i = _inputs.begin(); i != _inputs.end(); ++i) {
- _session.engine().update_total_latency (*i);
- }
+ _bundle->remove_channels ();
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
- _session.engine().update_total_latency (*i);
+ if (_direction == Input) {
+ snprintf(buf, sizeof (buf), _("%s in"), _name.val().c_str());
+ } else {
+ snprintf(buf, sizeof (buf), _("%s out"), _name.val().c_str());
}
-}
+ _bundle->set_name (buf);
+ int c = 0;
+ for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
-/**
- * Setup bundles that describe our inputs and outputs. Also creates bundles if necessary.
- */
+ uint32_t const N = _ports.count().get (*i);
+ for (uint32_t j = 0; j < N; ++j) {
+ _bundle->add_channel (bundle_channel_name (j, N, *i), *i);
+ _bundle->set_port (c, _session.engine().make_port_name_non_relative (_ports.port(*i, j)->name()));
+ ++c;
+ }
-void
-IO::setup_bundles_for_inputs_and_outputs ()
-{
- setup_bundle_for_inputs ();
- setup_bundle_for_outputs ();
-}
+ }
+ _bundle->resume_signals ();
+}
-void
-IO::setup_bundle_for_inputs ()
+/** @return Bundles connected to our ports */
+BundleList
+IO::bundles_connected ()
{
- char buf[32];
+ BundleList bundles;
- if (!_bundle_for_inputs) {
- _bundle_for_inputs.reset (new Bundle (true));
+ /* User bundles */
+ for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
+ bundles.push_back ((*i)->bundle);
}
- _bundle_for_inputs->suspend_signals ();
+ /* Session bundles */
+ boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
+ for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
+ if ((*i)->connected_to (_bundle, _session.engine())) {
+ bundles.push_back (*i);
+ }
+ }
- _bundle_for_inputs->set_type (default_type ());
+ /* Route bundles */
- _bundle_for_inputs->remove_channels ();
+ boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
- snprintf(buf, sizeof (buf), _("%s in"), _name.c_str());
- _bundle_for_inputs->set_name (buf);
- uint32_t const ni = inputs().num_ports();
- for (uint32_t i = 0; i < ni; ++i) {
- _bundle_for_inputs->add_channel (bundle_channel_name (i, ni));
- _bundle_for_inputs->set_port (i, _session.engine().make_port_name_non_relative (inputs().port(i)->name()));
+ if (_direction == Input) {
+ for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ if ((*i)->output()->bundle()->connected_to (_bundle, _session.engine())) {
+ bundles.push_back ((*i)->output()->bundle());
+ }
+ }
+ } else {
+ for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ if ((*i)->input()->bundle()->connected_to (_bundle, _session.engine())) {
+ bundles.push_back ((*i)->input()->bundle());
+ }
+ }
}
- _bundle_for_inputs->resume_signals ();
+ return bundles;
}
-void
-IO::setup_bundle_for_outputs ()
+IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
{
- char buf[32];
+ bundle = b;
+ b->Changed.connect_same_thread (changed, boost::bind (&IO::bundle_changed, io, _1));
+}
- if (!_bundle_for_outputs) {
- _bundle_for_outputs.reset (new Bundle (false));
- }
+std::string
+IO::bundle_channel_name (uint32_t c, uint32_t n, DataType t) const
+{
+ char buf[32];
+
+ if (t == DataType::AUDIO) {
- _bundle_for_outputs->suspend_signals ();
+ switch (n) {
+ case 1:
+ return _("mono");
+ case 2:
+ return c == 0 ? _("L") : _("R");
+ default:
+ snprintf (buf, sizeof(buf), _("%d"), (c + 1));
+ return buf;
+ }
- _bundle_for_outputs->set_type (default_type ());
+ } else {
- _bundle_for_outputs->remove_channels ();
+ snprintf (buf, sizeof(buf), _("%d"), (c + 1));
+ return buf;
- snprintf(buf, sizeof (buf), _("%s out"), _name.c_str());
- _bundle_for_outputs->set_name (buf);
- uint32_t const no = outputs().num_ports();
- for (uint32_t i = 0; i < no; ++i) {
- _bundle_for_outputs->add_channel (bundle_channel_name (i, no));
- _bundle_for_outputs->set_port (i, _session.engine().make_port_name_non_relative (outputs().port(i)->name()));
}
- _bundle_for_outputs->resume_signals ();
+ return "";
}
-
-/** @return Bundles connected to our inputs */
-BundleList
-IO::bundles_connected_to_inputs ()
+string
+IO::name_from_state (const XMLNode& node)
{
- BundleList bundles;
-
- /* User bundles */
- for (std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_inputs.begin(); i != _bundles_connected_to_inputs.end(); ++i) {
- bundles.push_back (i->bundle);
- }
+ const XMLProperty* prop;
- /* Session bundles */
- boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
- for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
- if ((*i)->connected_to (_bundle_for_inputs, _session.engine())) {
- bundles.push_back (*i);
- }
+ if ((prop = node.property ("name")) != 0) {
+ return prop->value();
}
- /* Route bundles */
- boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
- for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- if ((*i)->bundle_for_outputs()->connected_to (_bundle_for_inputs, _session.engine())) {
- bundles.push_back ((*i)->bundle_for_outputs());
+ return string();
+}
+
+void
+IO::set_name_in_state (XMLNode& node, const string& new_name)
+{
+ node.add_property (X_("name"), new_name);
+ XMLNodeList children = node.children ();
+ for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
+ if ((*i)->name() == X_("Port")) {
+ string const old_name = (*i)->property(X_("name"))->value();
+ string const old_name_second_part = old_name.substr (old_name.find_first_of ("/") + 1);
+ (*i)->add_property (X_("name"), string_compose ("%1/%2", new_name, old_name_second_part));
}
}
-
- return bundles;
}
-
-/* @return Bundles connected to our outputs */
-BundleList
-IO::bundles_connected_to_outputs ()
+bool
+IO::connected () const
{
- BundleList bundles;
+ /* do we have any connections at all? */
- /* User bundles */
- for (std::vector<UserBundleInfo>::iterator i = _bundles_connected_to_outputs.begin(); i != _bundles_connected_to_outputs.end(); ++i) {
- bundles.push_back (i->bundle);
+ for (PortSet::const_iterator p = _ports.begin(); p != _ports.end(); ++p) {
+ if (p->connected()) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool
+IO::connected_to (boost::shared_ptr<const IO> other) const
+{
+ if (!other) {
+ return connected ();
}
- /* Session bundles */
- boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
- for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
- if ((*i)->connected_to (_bundle_for_outputs, _session.engine())) {
- bundles.push_back (*i);
+ assert (_direction != other->direction());
+
+ uint32_t i, j;
+ uint32_t no = n_ports().n_total();
+ uint32_t ni = other->n_ports ().n_total();
+
+ for (i = 0; i < no; ++i) {
+ for (j = 0; j < ni; ++j) {
+ if (nth(i)->connected_to (other->nth(j)->name())) {
+ return true;
+ }
}
}
- /* Route bundles */
- boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
- for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- if ((*i)->bundle_for_inputs()->connected_to (_bundle_for_outputs, _session.engine())) {
- bundles.push_back ((*i)->bundle_for_inputs());
+ return false;
+}
+
+bool
+IO::connected_to (const string& str) const
+{
+ for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ if (i->connected_to (str)) {
+ return true;
}
}
- return bundles;
+ return false;
}
-
-IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
+/** Call a processor's ::run() method, giving it our buffers
+ * Caller must hold process lock.
+ */
+void
+IO::process_input (boost::shared_ptr<Processor> proc, framepos_t start_frame, framepos_t end_frame, pframes_t nframes)
{
- bundle = b;
- changed = b->Changed.connect (
- sigc::mem_fun (*io, &IO::bundle_changed)
- );
+ /* don't read the data into new buffers - just use the port buffers directly */
+
+ if (n_ports().n_total() == 0) {
+ /* We have no ports, so nothing to process */
+ return;
+ }
+
+ _buffers.get_jack_port_addresses (_ports, nframes);
+ proc->run (_buffers, start_frame, end_frame, nframes, true);
}
void
-IO::prepare_inputs (nframes_t nframes, nframes_t offset)
+IO::collect_input (BufferSet& bufs, pframes_t nframes, ChanCount offset)
{
- /* io_lock, not taken: function must be called from Session::process() calltree */
+ assert(bufs.available() >= _ports.count());
+
+ if (_ports.count() == ChanCount::ZERO) {
+ return;
+ }
+
+ bufs.set_count (_ports.count());
+
+ for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+ PortSet::iterator i = _ports.begin(*t);
+ BufferSet::iterator b = bufs.begin(*t);
+
+ for (uint32_t off = 0; off < offset.get(*t); ++off, ++b) {
+ if (b == bufs.end(*t)) {
+ continue;
+ }
+ }
+
+ for ( ; i != _ports.end(*t); ++i, ++b) {
+ Buffer& bb (i->get_buffer (nframes));
+ b->read_from (bb, nframes);
+ }
+ }
}
void
-IO::flush_outputs (nframes_t nframes, nframes_t offset)
+IO::copy_to_outputs (BufferSet& bufs, DataType type, pframes_t nframes, framecnt_t offset)
{
- /* io_lock, not taken: function must be called from Session::process() calltree */
- for (PortSet::iterator i = _outputs.begin(); i != _outputs.end(); ++i) {
+ // Copy any buffers 1:1 to outputs
+
+ PortSet::iterator o = _ports.begin(type);
+ BufferSet::iterator i = bufs.begin(type);
+ BufferSet::iterator prev = i;
+
+ while (i != bufs.end(type) && o != _ports.end (type)) {
+ Buffer& port_buffer (o->get_buffer (nframes));
+ port_buffer.read_from (*i, nframes, offset);
+ prev = i;
+ ++i;
+ ++o;
+ }
- /* Only run cycle_start() on output ports, because
- inputs must be done in the correct processing order,
- which requires interleaving with route processing.
- */
+ // Copy last buffer to any extra outputs
- (*i).flush_buffers (nframes, offset);
+ while (o != _ports.end(type)) {
+ Buffer& port_buffer (o->get_buffer (nframes));
+ port_buffer.read_from (*prev, nframes, offset);
+ ++o;
}
-
}
-std::string
-IO::bundle_channel_name (uint32_t c, uint32_t n) const
+boost::shared_ptr<Port>
+IO::port_by_name (const std::string& str) const
{
- char buf[32];
-
- switch (n) {
- case 1:
- return _("mono");
- case 2:
- return c == 0 ? _("L") : _("R");
- default:
- snprintf (buf, sizeof(buf), _("%d"), (c + 1));
- return buf;
+ /* to be called only from ::set_state() - no locking */
+
+ for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
+
+ if (i->name() == str) {
+ return boost::const_pointer_cast<Port> (*i);
+ }
}
- return "";
+ return boost::shared_ptr<Port> ();
}
+bool
+IO::physically_connected () const
+{
+ for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ if (i->physically_connected()) {
+ return true;
+ }
+ }
+
+ return false;
+}
+bool
+IO::has_port (boost::shared_ptr<Port> p) const
+{
+ Glib::Mutex::Lock lm (io_lock);
+ return _ports.contains (p);
+}