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livetrax/gtk2_ardour/port_group.cc
Carl Hetherington d039e2e80f Fix up port matrix for new Route / IO arrangements.
git-svn-id: svn://localhost/ardour2/branches/3.0@5143 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-06-09 23:43:20 +00:00

499 lines
11 KiB
C++

/*
Copyright (C) 2002-2009 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstring>
#include <boost/shared_ptr.hpp>
#include "ardour/audio_track.h"
#include "ardour/audioengine.h"
#include "ardour/bundle.h"
#include "ardour/user_bundle.h"
#include "ardour/io_processor.h"
#include "ardour/midi_track.h"
#include "ardour/port.h"
#include "ardour/session.h"
#include "port_group.h"
#include "port_matrix.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace ARDOUR;
/** PortGroup constructor.
* @param n Name.
*/
PortGroup::PortGroup (std::string const & n)
: name (n), _visible (true)
{
}
/** Add a bundle to a group.
* @param b Bundle.
*/
void
PortGroup::add_bundle (boost::shared_ptr<Bundle> b)
{
assert (b.get());
_bundles.push_back (b);
_bundle_changed_connections[b] =
b->Changed.connect (sigc::mem_fun (*this, &PortGroup::bundle_changed));
Modified ();
}
void
PortGroup::remove_bundle (boost::shared_ptr<Bundle> b)
{
assert (b.get());
BundleList::iterator i = std::find (_bundles.begin(), _bundles.end(), b);
if (i == _bundles.end()) {
return;
}
_bundles.erase (i);
_bundle_changed_connections[b].disconnect ();
Modified ();
}
void
PortGroup::bundle_changed (Bundle::Change c)
{
BundleChanged (c);
}
void
PortGroup::clear ()
{
_bundles.clear ();
for (ConnectionList::iterator i = _bundle_changed_connections.begin(); i != _bundle_changed_connections.end(); ++i) {
i->second.disconnect ();
}
_bundle_changed_connections.clear ();
Modified ();
}
bool
PortGroup::has_port (std::string const& p) const
{
for (BundleList::const_iterator i = _bundles.begin(); i != _bundles.end(); ++i) {
if ((*i)->offers_port_alone (p)) {
return true;
}
}
return false;
}
boost::shared_ptr<Bundle>
PortGroup::only_bundle ()
{
assert (_bundles.size() == 1);
return _bundles.front();
}
uint32_t
PortGroup::total_channels () const
{
uint32_t n = 0;
for (BundleList::const_iterator i = _bundles.begin(); i != _bundles.end(); ++i) {
n += (*i)->nchannels ();
}
return n;
}
/** PortGroupList constructor.
*/
PortGroupList::PortGroupList ()
: _type (DataType::AUDIO), _signals_suspended (false), _pending_change (false)
{
}
void
PortGroupList::set_type (DataType t)
{
_type = t;
clear ();
}
void
PortGroupList::maybe_add_processor_to_bundle (boost::weak_ptr<Processor> wp, boost::shared_ptr<RouteBundle> rb, bool inputs, set<boost::shared_ptr<IO> >& used_io)
{
boost::shared_ptr<Processor> p (wp.lock());
if (!p) {
return;
}
boost::shared_ptr<IOProcessor> iop = boost::dynamic_pointer_cast<IOProcessor> (p);
if (iop) {
boost::shared_ptr<IO> io = inputs ? iop->input() : iop->output();
if (io && used_io.find (io) == used_io.end()) {
rb->add_processor_bundle (io->bundle ());
used_io.insert (io);
}
}
}
/** Gather bundles from around the system and put them in this PortGroupList */
void
PortGroupList::gather (Session& session, bool inputs)
{
clear ();
boost::shared_ptr<PortGroup> bus (new PortGroup (_("Bus")));
boost::shared_ptr<PortGroup> track (new PortGroup (_("Track")));
boost::shared_ptr<PortGroup> system (new PortGroup (_("System")));
boost::shared_ptr<PortGroup> other (new PortGroup (_("Other")));
/* Find the bundles for routes. We use the RouteBundle class to join
the route's input/output and processor bundles together so that they
are presented as one bundle in the matrix. */
boost::shared_ptr<RouteList> routes = session.get_routes ();
for (RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) {
/* keep track of IOs that we have taken bundles from, so that maybe_add_processor... below
can avoid taking the same IO from both Route::output() and the main_outs Delivery */
set<boost::shared_ptr<IO> > used_io;
boost::shared_ptr<IO> io = inputs ? (*i)->input() : (*i)->output();
used_io.insert (io);
boost::shared_ptr<RouteBundle> rb (new RouteBundle (io->bundle()));
(*i)->foreach_processor (bind (mem_fun (*this, &PortGroupList::maybe_add_processor_to_bundle), rb, inputs, used_io));
/* Work out which group to put this bundle in */
boost::shared_ptr<PortGroup> g;
if (_type == DataType::AUDIO) {
if (boost::dynamic_pointer_cast<AudioTrack> (*i)) {
g = track;
} else if (!boost::dynamic_pointer_cast<MidiTrack>(*i)) {
g = bus;
}
} else if (_type == DataType::MIDI) {
if (boost::dynamic_pointer_cast<MidiTrack> (*i)) {
g = track;
}
/* No MIDI busses yet */
}
if (g) {
g->add_bundle (rb);
}
}
/* Bundles owned by the session. We only add the mono ones and the User ones
otherwise there is duplication of the same ports within the matrix */
boost::shared_ptr<BundleList> b = session.bundles ();
for (BundleList::iterator i = b->begin(); i != b->end(); ++i) {
if ((*i)->ports_are_inputs() == inputs && (*i)->type() == _type) {
if ((*i)->nchannels() == 1 || boost::dynamic_pointer_cast<UserBundle> (*i)) {
system->add_bundle (*i);
}
}
}
/* Now find all other ports that we haven't thought of yet */
std::vector<std::string> extra_system;
std::vector<std::string> extra_other;
const char **ports = session.engine().get_ports ("", _type.to_jack_type(), inputs ?
JackPortIsInput : JackPortIsOutput);
if (ports) {
int n = 0;
string client_matching_string;
client_matching_string = session.engine().client_name();
client_matching_string += ':';
while (ports[n]) {
std::string const p = ports[n];
if (!system->has_port(p) && !bus->has_port(p) && !track->has_port(p) && !other->has_port(p)) {
if (port_has_prefix (p, "system:") ||
port_has_prefix (p, "alsa_pcm") ||
port_has_prefix (p, "ardour:")) {
extra_system.push_back (p);
} else {
extra_other.push_back (p);
}
}
++n;
}
free (ports);
}
if (!extra_system.empty()) {
system->add_bundle (make_bundle_from_ports (extra_system, inputs));
}
if (!extra_other.empty()) {
other->add_bundle (make_bundle_from_ports (extra_other, inputs));
}
add_group (system);
add_group (bus);
add_group (track);
add_group (other);
emit_changed ();
}
boost::shared_ptr<Bundle>
PortGroupList::make_bundle_from_ports (std::vector<std::string> const & p, bool inputs) const
{
boost::shared_ptr<Bundle> b (new Bundle ("", _type, inputs));
std::string const pre = common_prefix (p);
if (!pre.empty()) {
b->set_name (pre.substr (0, pre.length() - 1));
}
for (uint32_t j = 0; j < p.size(); ++j) {
b->add_channel (p[j].substr (pre.length()));
b->set_port (j, p[j]);
}
return b;
}
bool
PortGroupList::port_has_prefix (const std::string& n, const std::string& p) const
{
return n.substr (0, p.length()) == p;
}
std::string
PortGroupList::common_prefix_before (std::vector<std::string> const & p, std::string const & s) const
{
/* we must have some strings and the first must contain the separator string */
if (p.empty() || p[0].find_first_of (s) == std::string::npos) {
return "";
}
/* prefix of the first string */
std::string const fp = p[0].substr (0, p[0].find_first_of (s) + 1);
/* see if the other strings also start with fp */
uint32_t j = 1;
while (j < p.size()) {
if (p[j].substr (0, fp.length()) != fp) {
break;
}
++j;
}
if (j != p.size()) {
return "";
}
return fp;
}
std::string
PortGroupList::common_prefix (std::vector<std::string> const & p) const
{
/* common prefix before '/' ? */
std::string cp = common_prefix_before (p, "/");
if (!cp.empty()) {
return cp;
}
cp = common_prefix_before (p, ":");
if (!cp.empty()) {
return cp;
}
return "";
}
void
PortGroupList::clear ()
{
_groups.clear ();
for (std::vector<sigc::connection>::iterator i = _bundle_changed_connections.begin(); i != _bundle_changed_connections.end(); ++i) {
i->disconnect ();
}
_bundle_changed_connections.clear ();
emit_changed ();
}
BundleList const &
PortGroupList::bundles () const
{
_bundles.clear ();
for (PortGroupList::List::const_iterator i = begin (); i != end (); ++i) {
if ((*i)->visible()) {
std::copy ((*i)->bundles().begin(), (*i)->bundles().end(), std::back_inserter (_bundles));
}
}
return _bundles;
}
uint32_t
PortGroupList::total_visible_channels () const
{
uint32_t n = 0;
for (PortGroupList::List::const_iterator i = begin(); i != end(); ++i) {
if ((*i)->visible()) {
n += (*i)->total_channels ();
}
}
return n;
}
void
PortGroupList::add_group (boost::shared_ptr<PortGroup> g)
{
_groups.push_back (g);
g->Modified.connect (sigc::mem_fun (*this, &PortGroupList::emit_changed));
_bundle_changed_connections.push_back (
g->BundleChanged.connect (sigc::hide (sigc::mem_fun (*this, &PortGroupList::emit_changed)))
);
emit_changed ();
}
void
PortGroupList::remove_bundle (boost::shared_ptr<Bundle> b)
{
for (List::iterator i = _groups.begin(); i != _groups.end(); ++i) {
(*i)->remove_bundle (b);
}
emit_changed ();
}
void
PortGroupList::emit_changed ()
{
if (_signals_suspended) {
_pending_change = true;
} else {
Changed ();
}
}
void
PortGroupList::suspend_signals ()
{
_signals_suspended = true;
}
void
PortGroupList::resume_signals ()
{
if (_pending_change) {
Changed ();
_pending_change = false;
}
_signals_suspended = false;
}
RouteBundle::RouteBundle (boost::shared_ptr<Bundle> r)
: _route (r)
{
_route->Changed.connect (sigc::hide (sigc::mem_fun (*this, &RouteBundle::reread_component_bundles)));
reread_component_bundles ();
}
void
RouteBundle::reread_component_bundles ()
{
suspend_signals ();
remove_channels ();
set_name (_route->name());
for (uint32_t i = 0; i < _route->nchannels(); ++i) {
add_channel (_route->channel_name (i));
PortList const & pl = _route->channel_ports (i);
for (uint32_t j = 0; j < pl.size(); ++j) {
add_port_to_channel (i, pl[j]);
}
}
for (std::vector<boost::shared_ptr<Bundle> >::iterator i = _processor.begin(); i != _processor.end(); ++i) {
add_channels_from_bundle (*i);
}
resume_signals ();
}
void
RouteBundle::add_processor_bundle (boost::shared_ptr<Bundle> p)
{
p->Changed.connect (sigc::hide (sigc::mem_fun (*this, &RouteBundle::reread_component_bundles)));
_processor.push_back (p);
reread_component_bundles ();
}