/*
- 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 "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;
-sigc::signal<int> IO::ConnectingLegal;
-sigc::signal<void,ChanCount> IO::PortCountChanged;
+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).
, _default_type (default_type)
{
_active = true;
+ Port::PostDisconnect.connect_same_thread (*this, boost::bind (&IO::disconnect_check, this, _1, _2));
pending_state_node = 0;
- setup_bundles ();
+ setup_bundle ();
}
IO::IO (Session& s, const XMLNode& node, DataType dt)
{
_active = true;
pending_state_node = 0;
+ Port::PostDisconnect.connect_same_thread (*this, boost::bind (&IO::disconnect_check, this, _1, _2));
- set_state (node);
- setup_bundles ();
+ set_state (node, Stateful::loading_state_version);
+ setup_bundle ();
}
IO::~IO ()
}
void
-IO::silence (nframes_t nframes)
+IO::disconnect_check (boost::shared_ptr<Port> a, boost::shared_ptr<Port> b)
+{
+ /* 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().
+ */
+
+ Glib::Mutex::Lock tm (io_lock, Glib::TRY_LOCK);
+
+ 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::increment_port_buffer_offset (pframes_t offset)
+{
+ /* io_lock, not taken: function must be called from Session::process() calltree */
+
+ if (_direction == Output) {
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ i->increment_port_buffer_offset (offset);
+ }
+ }
+}
+
+void
+IO::silence (framecnt_t nframes)
{
/* io_lock, not taken: function must be called from Session::process() calltree */
}
}
+/** 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::check_bundles_connected ()
{
- check_bundles (_bundles_connected, ports());
-}
+ 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 (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 ( ! _ports.contains(our_port)) {
- return -1;
- }
-
- /* disconnect it from the source */
-
- if (our_port->disconnect (other_port)) {
- error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
- return -1;
- }
+ {
+ Glib::Mutex::Lock lm (io_lock);
- check_bundles_connected ();
- }
- }
+ /* check that our_port is really one of ours */
+
+ if ( ! _ports.contains(our_port)) {
+ return -1;
+ }
+
+ /* disconnect it from the source */
+
+ if (our_port->disconnect (other_port)) {
+ error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
+ return -1;
+ }
+
+ check_bundles_connected ();
+ }
+
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
- changed (ConnectionsChanged, src); /* EMIT SIGNAL */
_session.set_dirty ();
return 0;
}
int
-IO::connect (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 ( ! _ports.contains(our_port) ) {
- return -1;
- }
-
- /* connect it to the source */
+ Glib::Mutex::Lock lm (io_lock);
- if (our_port->connect (other_port)) {
- return -1;
- }
+ /* check that our_port is really one of ours */
+
+ if ( ! _ports.contains(our_port) ) {
+ return -1;
}
- }
- changed (ConnectionsChanged, src); /* EMIT SIGNAL */
+ /* connect it to the source */
+
+ if (our_port->connect (other_port)) {
+ return -1;
+ }
+ }
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
_session.set_dirty ();
return 0;
}
int
-IO::remove_port (Port* port, void* src)
+IO::remove_port (boost::shared_ptr<Port> port, void* src)
{
- IOChange change (NoChange);
+ ChanCount before = _ports.count ();
+ ChanCount after = before;
+ after.set (port->type(), after.get (port->type()) - 1);
+
+ boost::optional<bool> const r = PortCountChanging (after); /* EMIT SIGNAL */
+ if (r.get_value_or (false)) {
+ return -1;
+ }
+
+ IOChange change;
{
BLOCK_PROCESS_CALLBACK ();
-
{
Glib::Mutex::Lock lm (io_lock);
if (_ports.remove(port)) {
- change = IOChange (change|ConfigurationChanged);
+ change.type = IOChange::Type (change.type | IOChange::ConfigurationChanged);
+ change.before = before;
+ change.after = _ports.count ();
if (port->connected()) {
- change = IOChange (change|ConnectionsChanged);
- }
+ change.type = IOChange::Type (change.type | IOChange::ConnectionsChanged);
+ }
- _session.engine().unregister_port (*port);
+ _session.engine().unregister_port (port);
check_bundles_connected ();
}
}
PortCountChanged (n_ports()); /* EMIT SIGNAL */
+
+ if (change.type != IOChange::NoChange) {
+ changed (change, src);
+ _buffers.attach_buffers (_ports);
+ }
}
- if (change == ConfigurationChanged) {
- setup_bundles ();
+ if (change.type & IOChange::ConfigurationChanged) {
+ setup_bundle ();
}
- if (change != NoChange) {
- 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_port (string destination, void* src, DataType type)
{
- Port* our_port;
+ boost::shared_ptr<Port> our_port;
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 output port */
-
- string portname = build_legal_port_name (type);
+ /* Create a new port */
+
+ string portname = build_legal_port_name (type);
+
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;
}
}
+ 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 */
- changed (ConfigurationChanged, src); /* EMIT SIGNAL */
- setup_bundles ();
+
+ setup_bundle ();
_session.set_dirty ();
return 0;
int
IO::disconnect (void* src)
{
- {
- BLOCK_PROCESS_CALLBACK ();
-
- {
- Glib::Mutex::Lock lm (io_lock);
-
- for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
- i->disconnect_all ();
- }
+ {
+ Glib::Mutex::Lock lm (io_lock);
- check_bundles_connected ();
+ for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ i->disconnect_all ();
}
+
+ check_bundles_connected ();
}
-
- changed (ConnectionsChanged, src); /* EMIT SIGNAL */
-
+
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
+
return 0;
}
-bool
-IO::ensure_ports_locked (ChanCount count, bool clear, void* src)
+/** Caller must hold process lock */
+int
+IO::ensure_ports_locked (ChanCount count, bool clear, bool& changed)
{
- Port* port = 0;
- bool changed = false;
-
+ assert (!AudioEngine::instance()->process_lock().trylock());
+
+ 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_ports().get(*t); i > n; --i) {
port = _ports.port(*t, i-1);
-
+
assert(port);
_ports.remove(port);
- _session.engine().unregister_port (*port);
+ _session.engine().unregister_port (port);
changed = true;
}
catch (AudioEngine::PortRegistrationFailure& err) {
/* pass it on */
- throw AudioEngine::PortRegistrationFailure();
+ throw;
}
_ports.add (port);
changed = true;
}
}
-
+
if (changed) {
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 = _ports.begin(); i != _ports.end(); ++i) {
}
}
- return changed;
+ return 0;
}
-
+/** Caller must hold process lock */
int
-IO::ensure_ports (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 (count == n_ports() && !clear) {
return 0;
}
- if (lockit) {
- BLOCK_PROCESS_CALLBACK ();
+ IOChange change;
+
+ change.before = _ports.count ();
+
+ {
Glib::Mutex::Lock im (io_lock);
- changed = ensure_ports_locked (count, clear, src);
- } else {
- changed = ensure_ports_locked (count, clear, src);
+ if (ensure_ports_locked (count, clear, changed)) {
+ return -1;
+ }
}
if (changed) {
- this->changed (ConfigurationChanged, src); /* EMIT SIGNAL */
- setup_bundles ();
+ 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;
}
+/** Caller must hold process lock */
int
IO::ensure_io (ChanCount count, bool clear, void* src)
{
- return ensure_ports (count, clear, true, src);
+ assert (!AudioEngine::instance()->process_lock().trylock());
+
+ return ensure_ports (count, clear, src);
}
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 ("direction", enum_2_string (_direction));
node->add_property ("default-type", _default_type.to_string());
- for (std::vector<UserBundleInfo>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
+ 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 ());
+ n->add_property ("name", (*i)->bundle->name ());
node->add_child_nocopy (*n);
}
for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
-
+
vector<string> connections;
XMLNode* pnode = new XMLNode (X_("Port"));
to be re-established even when our
client name is different.
*/
-
+
XMLNode* cnode = new XMLNode (X_("Connection"));
cnode->add_property (X_("other"), _session.engine().make_port_name_relative (*ci));
pnode->add_child_nocopy (*cnode);
- }
+ }
}
-
+
node->add_child_nocopy (*pnode);
}
+ snprintf (buf, sizeof (buf), "%" PRId64, _user_latency);
+ node->add_property (X_("user-latency"), buf);
+
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"));
error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
return -1;
}
-
+
if ((prop = node.property ("name")) != 0) {
set_name (prop->value());
}
assert(_default_type != DataType::NIL);
}
- if ((prop = node.property ("id")) != 0) {
- _id = prop->value ();
- }
+ set_id (node);
if ((prop = node.property ("direction")) != 0) {
_direction = (Direction) string_2_enum (prop->value(), _direction);
}
- if (create_ports (node)) {
+ if (create_ports (node, version)) {
return -1;
}
if (connecting_legal) {
-
- if (make_connections (node)) {
+
+ if (make_connections (node, version, false)) {
return -1;
}
} else {
pending_state_node = new XMLNode (node);
- connection_legal_c = ConnectingLegal.connect (mem_fun (*this, &IO::connecting_became_legal));
+ 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::set_state_2X (const XMLNode& node, int version, bool in)
+{
+ const XMLProperty* prop;
+ XMLNodeConstIterator iter;
+ LocaleGuard lg (X_("POSIX"));
+
+ /* force use of non-localized representation of decimal point,
+ since we use it a lot in XML files and so forth.
+ */
+
+ if (node.name() != state_node_name) {
+ error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
+ return -1;
+ }
+
+ if ((prop = node.property ("name")) != 0) {
+ set_name (prop->value());
}
+ if ((prop = node.property (X_("default-type"))) != 0) {
+ _default_type = DataType(prop->value());
+ assert(_default_type != DataType::NIL);
+ }
+
+ set_id (node);
+
+ _direction = in ? Input : Output;
+
+ if (create_ports (node, version)) {
+ return -1;
+ }
+
+ if (connecting_legal) {
+
+ if (make_connections_2X (node, version, in)) {
+ return -1;
+ }
+
+ } else {
+
+ 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;
}
connection_legal_c.disconnect ();
- ret = make_connections (*pending_state_node);
-
+ ret = make_connections (*pending_state_node, pending_state_node_version, pending_state_node_in);
+
delete pending_state_node;
pending_state_node = 0;
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);
if (!c) {
// 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::get_port_counts (const XMLNode& node, ChanCount& n, boost::shared_ptr<Bundle>& c)
+IO::get_port_counts_2X (XMLNode const & node, int /*version*/, ChanCount& n, boost::shared_ptr<Bundle>& /*c*/)
{
+ XMLProperty const * prop;
+ XMLNodeList children = node.children ();
+
+ uint32_t n_audio = 0;
+
+ 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;
+ }
+ }
+
+ ChanCount cnt;
+ cnt.set_audio (n_audio);
+ n = ChanCount::max (n, cnt);
+
+ return 0;
+}
+
+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);
+ }
+
XMLProperty const * prop;
XMLNodeConstIterator iter;
uint32_t n_audio = 0;
if ((prop = node.property ("connection")) != 0) {
if ((c = find_possible_bundle (prop->value())) != 0) {
- n = ChanCount::max (n, ChanCount(c->type(), c->nchannels()));
+ n = ChanCount::max (n, c->nchannels());
}
return 0;
}
-
+
for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
if ((*iter)->name() == X_("Bundle")) {
if ((c = find_possible_bundle (prop->value())) != 0) {
- n = ChanCount::max (n, ChanCount(c->type(), c->nchannels()));
+ n = ChanCount::max (n, c->nchannels());
return 0;
} else {
return -1;
}
}
}
-
+
n = ChanCount::max (n, cnt);
return 0;
}
int
-IO::create_ports (const XMLNode& node)
+IO::create_ports (const XMLNode& node, int version)
{
ChanCount n;
boost::shared_ptr<Bundle> c;
-
- get_port_counts (node, n, c);
-
- if (ensure_ports (n, true, true, this)) {
- error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
- return -1;
+
+ get_port_counts (node, version, n, c);
+
+ {
+ Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
+
+ if (ensure_ports (n, true, this)) {
+ error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
+ return -1;
+ }
}
/* XXX use c */
}
int
-IO::make_connections (const XMLNode& node)
+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 (!prop) {
continue;
}
-
- Port* p = port_by_name (prop->value());
+
+ boost::shared_ptr<Port> p = port_by_name (prop->value());
if (p) {
- for (XMLNodeConstIterator c = (*i)->children().begin(); c != (*i)->children().end(); ++c) {
+ 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) {
- p->connect (prop->value());
+ 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"));
+
+ if (prop) {
+ 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);
+ }
+ }
+ }
+ }
+}
+
+
+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++;
+ }
+
+ }
+
+ if ((prop = node.property ("outputs")) != 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 outputs \"%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;
+
+ 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++;
+ }
+ }
+
return 0;
}
int i;
int n;
uint32_t nports;
-
+
if ((nports = count (str.begin(), str.end(), '{')) == 0) {
return 0;
}
- // FIXME: audio-only
- if (ensure_ports (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;
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) {
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;
- }
+ replace_all (name, ":", "-");
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 ();
+ setup_bundle ();
return r;
}
-void
-IO::set_port_latency (nframes_t nframes)
-{
- Glib::Mutex::Lock lm (io_lock);
-
- for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
- i->set_latency (nframes);
- }
-}
-
-nframes_t
+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 = _ports.begin(); i != _ports.end(); ++i) {
- if ((latency = i->total_latency ()) > max_latency) {
+ 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;
}
-void
-IO::update_port_total_latencies ()
-{
- /* io_lock, not taken: function must be called from Session::process() calltree */
-
- for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
- _session.engine().update_total_latency (*i);
- }
-}
-
int
IO::connect_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
{
+ BLOCK_PROCESS_CALLBACK ();
+
{
- BLOCK_PROCESS_CALLBACK ();
Glib::Mutex::Lock lm2 (io_lock);
c->connect (_bundle, _session.engine());
if (ub) {
/* See if we already know about this one */
- std::vector<UserBundleInfo>::iterator i = _bundles_connected.begin();
- while (i != _bundles_connected.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.end()) {
/* We don't, so make a note */
- _bundles_connected.push_back (UserBundleInfo (this, ub));
+ _bundles_connected.push_back (new UserBundleInfo (this, ub));
}
}
}
- changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
return 0;
}
int
IO::disconnect_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
{
+ BLOCK_PROCESS_CALLBACK ();
+
{
- BLOCK_PROCESS_CALLBACK ();
Glib::Mutex::Lock lm2 (io_lock);
c->disconnect (_bundle, _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.begin();
- while (i != _bundles_connected.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.end()) {
+ delete *i;
_bundles_connected.erase (i);
}
}
}
- changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
+ changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
return 0;
}
int
IO::enable_connecting ()
{
+ Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
connecting_legal = true;
- return ConnectingLegal ();
+ boost::optional<int> r = ConnectingLegal ();
+ return r.get_value_or (0);
}
void
-IO::bundle_changed (Bundle::Change c)
+IO::bundle_changed (Bundle::Change /*c*/)
{
- //XXX
+ /* XXX */
// connect_input_ports_to_bundle (_input_bundle, this);
}
} else {
throw unknown_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 += _("_in");
+ suffix += X_("_in");
} else {
- suffix += _("_out");
+ suffix += X_("_out");
}
// allow up to 4 digits for the output port number, plus the slash, suffix and extra space
char buf1[name_size+1];
char buf2[name_size+1];
-
- snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.c_str(), suffix.c_str());
-
+
+ /* colons are illegal in port names, so fix that */
+
+ string nom = _name.val();
+ replace_all (nom, ":", ";");
+
+ snprintf (buf1, name_size+1, ("%.*s/%s"), limit, nom.c_str(), suffix.c_str());
+
int port_number = find_port_hole (buf1);
snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
}
-AudioPort*
+boost::shared_ptr<AudioPort>
IO::audio(uint32_t n) const
{
return _ports.nth_audio_port (n);
}
-MidiPort*
+boost::shared_ptr<MidiPort>
IO::midi(uint32_t n) const
{
return _ports.nth_midi_port (n);
}
/**
- * Setup bundles that describe our inputs and outputs. Also creates bundles if necessary.
+ * Setup a bundle that describe our inputs or outputs. Also creates the bundle if necessary.
*/
void
-IO::setup_bundles ()
+IO::setup_bundle ()
{
char buf[32];
if (!_bundle) {
- _bundle.reset (new Bundle (true));
+ _bundle.reset (new Bundle (_direction == Input));
}
_bundle->suspend_signals ();
- _bundle->set_type (default_type ());
-
_bundle->remove_channels ();
if (_direction == Input) {
- snprintf(buf, sizeof (buf), _("%s in"), _name.c_str());
+ snprintf(buf, sizeof (buf), _("%s in"), _name.val().c_str());
} else {
- snprintf(buf, sizeof (buf), _("%s out"), _name.c_str());
+ snprintf(buf, sizeof (buf), _("%s out"), _name.val().c_str());
}
_bundle->set_name (buf);
- uint32_t const ni = _ports.num_ports();
- for (uint32_t i = 0; i < ni; ++i) {
- _bundle->add_channel (bundle_channel_name (i, ni));
- _bundle->set_port (i, _session.engine().make_port_name_non_relative (_ports.port(i)->name()));
+
+ int c = 0;
+ for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
+
+ 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;
+ }
+
}
_bundle->resume_signals ();
IO::bundles_connected ()
{
BundleList bundles;
-
+
/* User bundles */
- for (std::vector<UserBundleInfo>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
- bundles.push_back (i->bundle);
+ for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
+ bundles.push_back ((*i)->bundle);
}
/* Session bundles */
}
}
}
-
+
return bundles;
}
IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
{
bundle = b;
- changed = b->Changed.connect (
- sigc::mem_fun (*io, &IO::bundle_changed)
- );
+ b->Changed.connect_same_thread (changed, boost::bind (&IO::bundle_changed, io, _1));
}
std::string
-IO::bundle_channel_name (uint32_t c, uint32_t n) const
+IO::bundle_channel_name (uint32_t c, uint32_t n, DataType t) const
{
char buf[32];
-
- switch (n) {
- case 1:
- return _("mono");
- case 2:
- return c == 0 ? _("L") : _("R");
- default:
+
+ if (t == DataType::AUDIO) {
+
+ switch (n) {
+ case 1:
+ return _("mono");
+ case 2:
+ return c == 0 ? _("L") : _("R");
+ default:
+ snprintf (buf, sizeof(buf), _("%d"), (c + 1));
+ return buf;
+ }
+
+ } else {
+
snprintf (buf, sizeof(buf), _("%d"), (c + 1));
return buf;
+
}
return "";
IO::name_from_state (const XMLNode& node)
{
const XMLProperty* prop;
-
+
if ((prop = node.property ("name")) != 0) {
return prop->value();
- }
-
+ }
+
return string();
}
void
IO::set_name_in_state (XMLNode& node, const string& new_name)
{
- const XMLProperty* prop;
-
- if ((prop = node.property ("name")) != 0) {
- node.add_property ("name", 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));
+ }
+ }
+}
+
+bool
+IO::connected () const
+{
+ /* do we have any connections at all? */
+
+ 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 ();
+ }
+
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 false;
}
-void
-IO::process_input (boost::shared_ptr<Processor> proc, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
+bool
+IO::connected_to (const string& str) const
{
- BufferSet bufs;
+ for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ if (i->connected_to (str)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/** 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)
+{
/* don't read the data into new buffers - just use the port buffers directly */
- bufs.attach_buffers (_ports, nframes, 0);
- proc->run (bufs, start_frame, end_frame, nframes);
+ 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::collect_input (BufferSet& bufs, nframes_t nframes, ChanCount offset)
+IO::collect_input (BufferSet& bufs, pframes_t nframes, ChanCount offset)
{
assert(bufs.available() >= _ports.count());
-
+
if (_ports.count() == ChanCount::ZERO) {
return;
}
}
void
-IO::copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes, nframes_t offset)
+IO::copy_to_outputs (BufferSet& bufs, DataType type, pframes_t nframes, framecnt_t offset)
{
// Copy any buffers 1:1 to outputs
-
+
PortSet::iterator o = _ports.begin(type);
BufferSet::iterator i = bufs.begin(type);
BufferSet::iterator prev = i;
++i;
++o;
}
-
+
// Copy last buffer to any extra outputs
while (o != _ports.end(type)) {
}
}
-Port*
+boost::shared_ptr<Port>
IO::port_by_name (const std::string& str) const
{
/* to be called only from ::set_state() - no locking */
for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
- const Port& p(*i);
-
- if (p.name() == str) {
- return const_cast<Port*>(&p);
+ if (i->name() == str) {
+ return boost::const_pointer_cast<Port> (*i);
}
}
- return 0;
+ 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);
}