Replace connection cerr dumping with DEBUG_TRACE.
[ardour.git] / libs / ardour / region_factory.cc
index 3f4af2462c28e31aacf6a29e9b1bdc0caee83889..eba237d0d208942bbe5aa70c17d7c0ca37f23f69 100644 (file)
@@ -17,6 +17,8 @@
 
 */
 
+#include <inttypes.h>
+
 #include "pbd/error.h"
 #include "pbd/boost_debug.h"
 
@@ -36,11 +38,14 @@ using namespace ARDOUR;
 using namespace PBD;
 
 PBD::Signal1<void,boost::shared_ptr<Region> > RegionFactory::CheckNewRegion;
-Glib::StaticMutex RegionFactory::region_map_lock;
-RegionFactory::RegionMap RegionFactory::region_map;
+Glib::StaticMutex                             RegionFactory::region_map_lock;
+RegionFactory::RegionMap                      RegionFactory::region_map;
+PBD::ScopedConnectionList                     RegionFactory::region_list_connections;
+Glib::StaticMutex                             RegionFactory::region_name_map_lock;
+std::map<std::string, uint32_t>               RegionFactory::region_name_map;
 
 boost::shared_ptr<Region>
-RegionFactory::create (boost::shared_ptr<const Region> region)
+RegionFactory::create (boost::shared_ptr<const Region> region, bool announce)
 {
        boost::shared_ptr<Region> ret;
        boost::shared_ptr<const AudioRegion> ar;
@@ -48,17 +53,11 @@ RegionFactory::create (boost::shared_ptr<const Region> region)
 
        if ((ar = boost::dynamic_pointer_cast<const AudioRegion>(region)) != 0) {
 
-               AudioRegion* arn = new AudioRegion (ar, 0, true);
-               boost_debug_shared_ptr_mark_interesting (arn, "Region");
-
-               boost::shared_ptr<AudioRegion> arp (arn);
-               ret = boost::static_pointer_cast<Region> (arp);
+               ret = boost::shared_ptr<Region> (new AudioRegion (ar, 0));
 
        } else if ((mr = boost::dynamic_pointer_cast<const MidiRegion>(region)) != 0) {
 
-               MidiRegion* mrn = new MidiRegion (mr, 0, true);
-               boost::shared_ptr<MidiRegion> mrp (mrn);
-               ret = boost::static_pointer_cast<Region> (mrp);
+               ret = boost::shared_ptr<Region> (new MidiRegion (mr, 0));
 
        } else {
                fatal << _("programming error: RegionFactory::create() called with unknown Region type")
@@ -67,17 +66,23 @@ RegionFactory::create (boost::shared_ptr<const Region> region)
        }
 
        if (ret) {
+               ret->set_name (new_region_name(ret->name()));
                map_add (ret);
 
                /* pure copy constructor - no property list */
-               /* pure copy constructor - no CheckNewRegion emitted */
+               if (announce) {
+                       CheckNewRegion (ret);
+               }
        }
 
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+       boost_debug_shared_ptr_mark_interesting (ret.get(), "Region");
+#endif
        return ret;
 }
 
 boost::shared_ptr<Region>
-RegionFactory::create (boost::shared_ptr<Region> region, frameoffset_t offset, const PropertyList& plist, bool announce)
+RegionFactory::create (boost::shared_ptr<Region> region, const PropertyList& plist, bool announce)
 {
        boost::shared_ptr<Region> ret;
        boost::shared_ptr<const AudioRegion> other_a;
@@ -85,17 +90,11 @@ RegionFactory::create (boost::shared_ptr<Region> region, frameoffset_t offset, c
 
        if ((other_a = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
 
-               AudioRegion* ar = new AudioRegion (other_a, offset, true);
-               boost_debug_shared_ptr_mark_interesting (ar, "Region");
-
-               boost::shared_ptr<AudioRegion> arp (ar);
-               ret = boost::static_pointer_cast<Region> (arp);
+               ret = boost::shared_ptr<Region> (new AudioRegion (other_a));
 
        } else if ((other_m = boost::dynamic_pointer_cast<MidiRegion>(region)) != 0) {
 
-               MidiRegion* mr = new MidiRegion (other_m, offset, true);
-               boost::shared_ptr<MidiRegion> mrp (mr);
-               ret = boost::static_pointer_cast<Region> (mrp);
+               ret = boost::shared_ptr<Region> (new MidiRegion (other_m));
 
        } else {
                fatal << _("programming error: RegionFactory::create() called with unknown Region type")
@@ -105,7 +104,7 @@ RegionFactory::create (boost::shared_ptr<Region> region, frameoffset_t offset, c
        }
 
        if (ret) {
-               ret->set_properties (plist);
+               ret->apply_changes (plist);
                map_add (ret);
 
                if (announce) {
@@ -113,11 +112,14 @@ RegionFactory::create (boost::shared_ptr<Region> region, frameoffset_t offset, c
                }
        }
 
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS     
+        boost_debug_shared_ptr_mark_interesting (ret.get(), "Region");
+#endif
        return ret;
 }
 
 boost::shared_ptr<Region>
-RegionFactory::create (boost::shared_ptr<Region> region, const PropertyList& plist, bool announce)
+RegionFactory::create (boost::shared_ptr<Region> region, frameoffset_t offset, const PropertyList& plist, bool announce)
 {
        boost::shared_ptr<Region> ret;
        boost::shared_ptr<const AudioRegion> other_a;
@@ -125,17 +127,11 @@ RegionFactory::create (boost::shared_ptr<Region> region, const PropertyList& pli
 
        if ((other_a = boost::dynamic_pointer_cast<AudioRegion>(region)) != 0) {
 
-               AudioRegion* ar = new AudioRegion (other_a, 0, false);
-               boost_debug_shared_ptr_mark_interesting (ar, "Region");
-
-               boost::shared_ptr<AudioRegion> arp (ar);
-               ret = boost::static_pointer_cast<Region> (arp);
-
+               ret = boost::shared_ptr<Region> (new AudioRegion (other_a, offset));
+               
        } else if ((other_m = boost::dynamic_pointer_cast<MidiRegion>(region)) != 0) {
 
-               MidiRegion* mr = new MidiRegion (other_m, 0, false);
-               boost::shared_ptr<MidiRegion> mrp (mr);
-               ret = boost::static_pointer_cast<Region> (mrp);
+               ret = boost::shared_ptr<Region> (new MidiRegion (other_m, offset));
 
        } else {
                fatal << _("programming error: RegionFactory::create() called with unknown Region type")
@@ -145,7 +141,7 @@ RegionFactory::create (boost::shared_ptr<Region> region, const PropertyList& pli
        }
 
        if (ret) {
-               ret->set_properties (plist);
+               ret->apply_changes (plist);
                map_add (ret);
 
                if (announce) {
@@ -153,12 +149,12 @@ RegionFactory::create (boost::shared_ptr<Region> region, const PropertyList& pli
                }
        }
 
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+       boost_debug_shared_ptr_mark_interesting (ret.get(), "Region");
+#endif
        return ret;
 }
 
-
-
-
 boost::shared_ptr<Region>
 RegionFactory::create (boost::shared_ptr<Region> region, const SourceList& srcs, const PropertyList& plist, bool announce)
 {
@@ -173,11 +169,7 @@ RegionFactory::create (boost::shared_ptr<Region> region, const SourceList& srcs,
 
                // XXX use me in caller where plist is setup, this is start i think srcs.front()->length (srcs.front()->timeline_position())
                
-               AudioRegion* ar = new AudioRegion (other, srcs);
-               boost_debug_shared_ptr_mark_interesting (ar, "Region");
-
-               boost::shared_ptr<AudioRegion> arp (ar);
-               ret = boost::static_pointer_cast<Region> (arp);
+               ret = boost::shared_ptr<Region> (new AudioRegion (other, srcs));
 
        } else {
                fatal << _("programming error: RegionFactory::create() called with unknown Region type")
@@ -186,8 +178,7 @@ RegionFactory::create (boost::shared_ptr<Region> region, const SourceList& srcs,
        }
 
        if (ret) {
-
-               ret->set_properties (plist);
+               ret->apply_changes (plist);
                map_add (ret);
 
                if (announce) {
@@ -195,8 +186,10 @@ RegionFactory::create (boost::shared_ptr<Region> region, const SourceList& srcs,
                }
        }
 
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS     
+        boost_debug_shared_ptr_mark_interesting (ret.get(), "Region");
+#endif
        return ret;
-
 }
 
 boost::shared_ptr<Region>
@@ -216,23 +209,16 @@ RegionFactory::create (const SourceList& srcs, const PropertyList& plist, bool a
 
        if ((as = boost::dynamic_pointer_cast<AudioSource>(srcs[0])) != 0) {
 
-               AudioRegion* ar = new AudioRegion (srcs);
-               boost_debug_shared_ptr_mark_interesting (ar, "Region");
-
-               boost::shared_ptr<AudioRegion> arp (ar);
-               ret = boost::static_pointer_cast<Region> (arp);
+               ret = boost::shared_ptr<Region> (new AudioRegion (srcs));
 
        } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(srcs[0])) != 0) {
-               MidiRegion* mr = new MidiRegion (srcs);
-               boost_debug_shared_ptr_mark_interesting (mr, "Region");
 
-               boost::shared_ptr<MidiRegion> mrp (mr);
-               ret = boost::static_pointer_cast<Region> (mrp);
+               ret = boost::shared_ptr<Region> (new MidiRegion (srcs));
+
        }
 
        if (ret) {
-
-               ret->set_properties (plist);
+               ret->apply_changes (plist);
                map_add (ret);
 
                if (announce) {
@@ -240,6 +226,9 @@ RegionFactory::create (const SourceList& srcs, const PropertyList& plist, bool a
                }
        }
 
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+       boost_debug_shared_ptr_mark_interesting (ret.get(), "Region");
+#endif
        return ret;
 }
 
@@ -260,22 +249,15 @@ RegionFactory::create (SourceList& srcs, const XMLNode& node)
 
        if (srcs[0]->type() == DataType::AUDIO) {
 
-               AudioRegion* ar = new AudioRegion (srcs);
-               boost_debug_shared_ptr_mark_interesting (ar, "Region");
-
-               boost::shared_ptr<AudioRegion> arp (ar);
-               ret = boost::static_pointer_cast<Region> (arp);
+               ret = boost::shared_ptr<Region> (new AudioRegion (srcs));
 
        } else if (srcs[0]->type() == DataType::MIDI) {
                
-               MidiRegion* mr = new MidiRegion (srcs);
+               ret = boost::shared_ptr<Region> (new MidiRegion (srcs));
 
-               boost::shared_ptr<MidiRegion> mrp (mr);
-               ret = boost::static_pointer_cast<Region> (mrp);
        }
 
        if (ret) {
-
                if (ret->set_state (node, Stateful::loading_state_version)) {
                        ret.reset ();
                } else {
@@ -284,10 +266,12 @@ RegionFactory::create (SourceList& srcs, const XMLNode& node)
                }
        }
 
+#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
+       boost_debug_shared_ptr_mark_interesting (ret.get(), "Region");
+#endif
        return ret;
 }
 
-
 void
 RegionFactory::map_add (boost::shared_ptr<Region> r)
 {
@@ -295,23 +279,49 @@ RegionFactory::map_add (boost::shared_ptr<Region> r)
        p.first = r->id();
        p.second = r;
 
-        { 
-                Glib::Mutex::Lock lm (region_map_lock);
-                region_map.insert (p);
-                /* we pay no attention to attempts to delete regions */
-        }
+       { 
+               Glib::Mutex::Lock lm (region_map_lock);
+               region_map.insert (p);
+       }
+
+       r->DropReferences.connect_same_thread (region_list_connections, boost::bind (&RegionFactory::map_remove, r));
+
+       r->PropertyChanged.connect_same_thread (
+               region_list_connections,
+               boost::bind (&RegionFactory::region_changed, _1, boost::weak_ptr<Region> (r))
+               );
+
+       update_region_name_map (r);
 }
 
 void
 RegionFactory::map_remove (boost::shared_ptr<Region> r)
 {
-        { 
-                Glib::Mutex::Lock lm (region_map_lock);
-                RegionMap::iterator i = region_map.find (r->id());
-                if (i != region_map.end()) {
-                        region_map.erase (i);
-                }
-        }
+       Glib::Mutex::Lock lm (region_map_lock);
+       RegionMap::iterator i = region_map.find (r->id());
+
+       if (i != region_map.end()) {
+               region_map.erase (i);
+       }
+}
+
+void
+RegionFactory::map_remove_with_equivalents (boost::shared_ptr<Region> r)
+{
+       Glib::Mutex::Lock lm (region_map_lock);
+
+       for (RegionMap::iterator i = region_map.begin(); i != region_map.end(); ) {
+               RegionMap::iterator tmp = i;
+               ++tmp;
+
+               if (r->region_list_equivalent (i->second)) {
+                       region_map.erase (i);
+               } else if (r == i->second) {
+                       region_map.erase (i);
+               } 
+
+               i = tmp;
+       }
 }
 
 boost::shared_ptr<Region>
@@ -320,15 +330,234 @@ RegionFactory::region_by_id (const PBD::ID& id)
        RegionMap::iterator i = region_map.find (id);
 
        if (i == region_map.end()) {
-                cerr << "ID " << id << " not found in region map\n";
                return boost::shared_ptr<Region>();
        }
 
        return i->second;
 }
-       
+
+boost::shared_ptr<Region>
+RegionFactory::wholefile_region_by_name (const std::string& name)
+{
+       for (RegionMap::iterator i = region_map.begin(); i != region_map.end(); ++i) {
+               if (i->second->whole_file() && i->second->name() == name) {
+                       return i->second;
+               }
+       }
+       return boost::shared_ptr<Region>();
+}      
+
+boost::shared_ptr<Region>
+RegionFactory::region_by_name (const std::string& name)
+{
+       for (RegionMap::iterator i = region_map.begin(); i != region_map.end(); ++i) {
+               if (i->second->name() == name) {
+                       return i->second;
+               }
+       }
+       return boost::shared_ptr<Region>();
+}      
+
 void
 RegionFactory::clear_map ()
 {
-       region_map.clear ();
+       region_list_connections.drop_connections ();
+
+       {
+               Glib::Mutex::Lock lm (region_map_lock);
+               region_map.clear ();
+       }
+
+}
+
+void
+RegionFactory::delete_all_regions ()
+{
+       RegionMap copy;
+
+       /* copy region list */
+       {
+               Glib::Mutex::Lock lm (region_map_lock);
+               copy = region_map;
+       }
+
+       /* clear existing map */
+       clear_map ();
+
+       /* tell everyone to drop references */
+       for (RegionMap::iterator i = copy.begin(); i != copy.end(); ++i) {
+               i->second->drop_references ();
+       }
+
+       /* the copy should now hold the only references, which will
+          vanish as we leave this scope, thus calling all destructors.
+       */
+}
+        
+uint32_t
+RegionFactory::nregions ()
+{
+       Glib::Mutex::Lock lm (region_map_lock);
+       return region_map.size ();
+}
+
+void
+RegionFactory::update_region_name_map (boost::shared_ptr<Region> region)
+{
+       string::size_type const last_period = region->name().find_last_of ('.');
+
+       if (last_period != string::npos && last_period < region->name().length() - 1) {
+
+               string const base = region->name().substr (0, last_period);
+               string const number = region->name().substr (last_period + 1);
+
+               /* note that if there is no number, we get zero from atoi,
+                  which is just fine
+               */
+
+               Glib::Mutex::Lock lm (region_name_map_lock);
+               region_name_map[base] = atoi (number.c_str ());
+       }
+}
+
+void
+RegionFactory::region_changed (PropertyChange const & what_changed, boost::weak_ptr<Region> w)
+{
+       boost::shared_ptr<Region> r = w.lock ();
+       if (!r) {
+               return;
+       }
+
+       if (what_changed.contains (Properties::name)) {
+               update_region_name_map (r);
+       }
+}
+
+int
+RegionFactory::region_name (string& result, string base, bool newlevel)
+{
+       char buf[16];
+       string subbase;
+
+       if (base.find("/") != string::npos) {
+               base = base.substr(base.find_last_of("/") + 1);
+       }
+
+       if (base == "") {
+
+               snprintf (buf, sizeof (buf), "%d", RegionFactory::nregions() + 1);
+               result = "region.";
+               result += buf;
+
+       } else {
+
+               if (newlevel) {
+                       subbase = base;
+               } else {
+                       string::size_type pos;
+
+                       pos = base.find_last_of ('.');
+
+                       /* pos may be npos, but then we just use entire base */
+
+                       subbase = base.substr (0, pos);
+
+               }
+
+               {
+                       Glib::Mutex::Lock lm (region_name_map_lock);
+
+                       map<string,uint32_t>::iterator x;
+
+                       result = subbase;
+
+                       if ((x = region_name_map.find (subbase)) == region_name_map.end()) {
+                               result += ".1";
+                               region_name_map[subbase] = 1;
+                       } else {
+                               x->second++;
+                               snprintf (buf, sizeof (buf), ".%d", x->second);
+
+                               result += buf;
+                       }
+               }
+       }
+
+       return 0;
+}
+
+string
+RegionFactory::new_region_name (string old)
+{
+       string::size_type last_period;
+       uint32_t number;
+       string::size_type len = old.length() + 64;
+       char buf[len];
+
+       if ((last_period = old.find_last_of ('.')) == string::npos) {
+
+               /* no period present - add one explicitly */
+
+               old += '.';
+               last_period = old.length() - 1;
+               number = 0;
+
+       } else {
+
+               number = atoi (old.substr (last_period+1).c_str());
+
+       }
+
+       while (number < (UINT_MAX-1)) {
+               
+               const RegionMap& regions (RegionFactory::regions());
+               RegionMap::const_iterator i;
+               string sbuf;
+
+               number++;
+
+               snprintf (buf, len, "%s%" PRIu32, old.substr (0, last_period + 1).c_str(), number);
+               sbuf = buf;
+
+               for (i = regions.begin(); i != regions.end(); ++i) {
+                       if (i->second->name() == sbuf) {
+                               break;
+                       }
+               }
+
+               if (i == regions.end()) {
+                       break;
+               }
+       }
+
+       if (number != (UINT_MAX-1)) {
+               return buf;
+       }
+
+       error << string_compose (_("cannot create new name for region \"%1\""), old) << endmsg;
+       return old;
+}
+
+void 
+RegionFactory::get_regions_using_source (boost::shared_ptr<Source> s, std::set<boost::shared_ptr<Region> >& r)
+{
+       Glib::Mutex::Lock lm (region_map_lock);
+
+       for (RegionMap::iterator i = region_map.begin(); i != region_map.end(); ++i) {
+               if (i->second->uses_source (s)) {
+                       r.insert (i->second);
+               }
+       }
+}
+
+void 
+RegionFactory::remove_regions_using_source (boost::shared_ptr<Source> src)
+{
+       Glib::Mutex::Lock lm (region_map_lock);
+
+       for (RegionMap::iterator i = region_map.begin(); i != region_map.end(); ++i) {
+               if (i->second->uses_source (src)) {
+                       region_map.erase (i);
+                }
+       }
 }