Some improvements to performance with crossfades: don't recompute a whole track's...

[ardour.git] / libs / ardour / route_group.cc

diff --git a/libs/ardour/route_group.cc b/libs/ardour/route_group.cc
index 3d40483634ecd9df73bac7d5a7b4c55fab4613b2..26612226a7ec11d10732013c53074f98872c3368 100644 (file)
--- a/libs/ardour/route_group.cc
+++ b/libs/ardour/route_group.cc
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #define __STDC_FORMAT_MACROS
@@ -25,22 +24,42 @@
 
 #include <sigc++/bind.h>
 
-#include <pbd/error.h>
+#include "pbd/error.h"
+#include "pbd/enumwriter.h"
 
-#include <ardour/route_group.h>
-#include <ardour/audio_track.h>
-#include <ardour/diskstream.h>
-#include <ardour/configuration.h>
+#include "ardour/amp.h"
+#include "ardour/route_group.h"
+#include "ardour/audio_track.h"
+#include "ardour/audio_diskstream.h"
+#include "ardour/configuration.h"
+#include "ardour/session.h"
+
+#include "i18n.h"
 
 using namespace ARDOUR;
 using namespace sigc;
+using namespace std;
+
+RouteGroup::RouteGroup (Session& s, const string &n, Flag f, Property p)
+       : _session (s), _name (n), _flags (f), _properties (Property (p))
+{
+}
+
+void
+RouteGroup::set_name (string str)
+{
+       _name = str;
+       _session.set_dirty ();
+       FlagsChanged (0); /* EMIT SIGNAL */
+}
 
 int
 RouteGroup::add (Route *r)
 {
        routes.push_back (r);
        r->GoingAway.connect (sigc::bind (mem_fun (*this, &RouteGroup::remove_when_going_away), r));
-        changed (); /* EMIT SIGNAL */
+       _session.set_dirty ();
+       changed (); /* EMIT SIGNAL */
        return 0;
 }
 
@@ -57,7 +76,8 @@ RouteGroup::remove (Route *r)
 
        if ((i = find (routes.begin(), routes.end(), r)) != routes.end()) {
                routes.erase (i);
-                changed (); /* EMIT SIGNAL */
+               _session.set_dirty ();
+               changed (); /* EMIT SIGNAL */
                return 0;
        }
        return -1;
@@ -70,7 +90,7 @@ RouteGroup::get_min_factor(gain_t factor)
        gain_t g;
        
        for (list<Route *>::iterator i = routes.begin(); i != routes.end(); i++) {
-               g = (*i)->gain();
+               g = (*i)->amp()->gain();
 
                if ( (g+g*factor) >= 0.0f)
                        continue;
@@ -89,7 +109,7 @@ RouteGroup::get_max_factor(gain_t factor)
        gain_t g;
        
        for (list<Route *>::iterator i = routes.begin(); i != routes.end(); i++) {
-               g = (*i)->gain();
+               g = (*i)->amp()->gain();
                
                // if the current factor woulnd't raise this route above maximum
                if ( (g+g*factor) <= 1.99526231f) 
@@ -109,11 +129,10 @@ RouteGroup::get_max_factor(gain_t factor)
 XMLNode&
 RouteGroup::get_state (void)
 {
-       char buf[32];
        XMLNode *node = new XMLNode ("RouteGroup");
        node->add_property ("name", _name);
-       snprintf (buf, sizeof (buf), "%" PRIu32, (uint32_t) _flags);
-       node->add_property ("flags", buf);
+       node->add_property ("flags", enum_2_string (_flags));
+       node->add_property ("properties", enum_2_string (_properties));
        return *node;
 }
 
@@ -127,25 +146,29 @@ RouteGroup::set_state (const XMLNode& node)
        }
 
        if ((prop = node.property ("flags")) != 0) {
-               _flags = atoi (prop->value().c_str());
+               _flags = Flag (string_2_enum (prop->value(), _flags));
        }
 
+       if ((prop = node.property ("properties")) != 0) {
+               _properties = Property (string_2_enum (prop->value(), _properties));
+       }
+       
        return 0;
 }
 
 void
 RouteGroup::set_active (bool yn, void *src)
-
 {
        if (is_active() == yn) {
                return;
        }
        if (yn) {
-               _flags |= Active;
+               _flags = Flag (_flags | Active);
        } else {
-               _flags &= ~Active;
+               _flags = Flag (_flags & ~Active);
        }
-        FlagsChanged (src); /* EMIT SIGNAL */
+       _session.set_dirty ();
+       FlagsChanged (src); /* EMIT SIGNAL */
 }
 
 void
@@ -156,11 +179,12 @@ RouteGroup::set_relative (bool yn, void *src)
                return;
        }
        if (yn) {
-               _flags |= Relative;
+               _flags = Flag (_flags | Relative);
        } else {
-               _flags &= ~Relative;
+               _flags = Flag (_flags & ~Relative);
        }
-        FlagsChanged (src); /* EMIT SIGNAL */
+       _session.set_dirty ();
+       FlagsChanged (src); /* EMIT SIGNAL */
 }
 
 void
@@ -171,17 +195,18 @@ RouteGroup::set_hidden (bool yn, void *src)
                return;
        }
        if (yn) {
-               _flags |= Hidden;
-               if (Config->does_hiding_groups_deactivates_groups()) {
-                       _flags &= ~Active;
+               _flags = Flag (_flags | Hidden);
+               if (Config->get_hiding_groups_deactivates_groups()) {
+                       _flags = Flag (_flags & ~Active);
                }
        } else {
-               _flags &= ~Hidden;
-               if (Config->does_hiding_groups_deactivates_groups()) {
-                       _flags |= Active;
+               _flags = Flag (_flags & ~Hidden);
+               if (Config->get_hiding_groups_deactivates_groups()) {
+                       _flags = Flag (_flags | Active);
                }
        }
-        FlagsChanged (src); /* EMIT SIGNAL */
+       _session.set_dirty ();
+       FlagsChanged (src); /* EMIT SIGNAL */
 }
 
 void
@@ -195,3 +220,55 @@ RouteGroup::audio_track_group (set<AudioTrack*>& ats)
        }
 }
 
+void
+RouteGroup::make_subgroup ()
+{
+       RouteList rl;
+       uint32_t nin = 0;
+
+       /* since we don't do MIDI Busses yet, check quickly ... */
+
+       for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
+               if ((*i)->output()->n_ports().n_midi() != 0) {
+                       PBD::info << _("You cannot subgroup MIDI tracks at this time") << endmsg;
+                       return;
+               }
+       }
+
+       for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
+               nin = max (nin, (*i)->output()->n_ports().n_audio());
+       }
+               
+       try {
+               /* use master bus etc. to determine default nouts */
+               rl = _session.new_audio_route (nin, 2, 0, 1);
+       } catch (...) {
+               return;
+       }
+
+       subgroup_bus = rl.front();
+       subgroup_bus->set_name (_name);
+
+       boost::shared_ptr<Bundle> bundle = subgroup_bus->input()->bundle ();
+       
+       for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
+               (*i)->output()->disconnect (this);
+               (*i)->output()->connect_ports_to_bundle (bundle, this);
+       }
+}
+
+void
+RouteGroup::destroy_subgroup ()
+{
+       if (!subgroup_bus) {
+               return;
+       }
+
+       for (list<Route*>::iterator i = routes.begin(); i != routes.end(); ++i) {
+               (*i)->output()->disconnect (this);
+               /* XXX find a new bundle to connect to */
+       }
+
+       _session.remove_route (subgroup_bus);
+       subgroup_bus.reset ();
+}