X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_playlists.cc;h=649d42902bfa4f846a840c9c8c7ba17913ce858e;hb=24f64b3ea7386ace6d584503fe1397eb4f611dfe;hp=1e5a276ad4a2afc67ddbbd5e21fbcb4b2771b641;hpb=b37b23af97fbffbf789222f03247439324648ffb;p=ardour.git

diff --git a/libs/ardour/session_playlists.cc b/libs/ardour/session_playlists.cc
index 1e5a276ad4..649d42902b 100644
--- a/libs/ardour/session_playlists.cc
+++ b/libs/ardour/session_playlists.cc
@@ -18,16 +18,14 @@
 */
 #include <vector>
 
-#include "pbd/xml++.h"
-#include "pbd/compose.h"
 #include "ardour/debug.h"
-#include "ardour/session_playlists.h"
 #include "ardour/playlist.h"
-#include "ardour/region.h"
 #include "ardour/playlist_factory.h"
-#include "ardour/session.h"
-#include "ardour/source.h"
+#include "ardour/session_playlists.h"
+#include "ardour/track.h"
 #include "i18n.h"
+#include "pbd/compose.h"
+#include "pbd/xml++.h"
 
 using namespace std;
 using namespace PBD;
@@ -36,7 +34,7 @@ using namespace ARDOUR;
 SessionPlaylists::~SessionPlaylists ()
 {
 	DEBUG_TRACE (DEBUG::Destruction, "delete playlists\n");
-	
+
 	for (List::iterator i = playlists.begin(); i != playlists.end(); ) {
 		SessionPlaylists::List::iterator tmp;
 
@@ -71,22 +69,34 @@ SessionPlaylists::~SessionPlaylists ()
 bool
 SessionPlaylists::add (boost::shared_ptr<Playlist> playlist)
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
 	bool const existing = find (playlists.begin(), playlists.end(), playlist) != playlists.end();
 
 	if (!existing) {
 		playlists.insert (playlists.begin(), playlist);
 		playlist->InUse.connect_same_thread (*this, boost::bind (&SessionPlaylists::track, this, _1, boost::weak_ptr<Playlist>(playlist)));
+		playlist->DropReferences.connect_same_thread (
+			*this, boost::bind (&SessionPlaylists::remove_weak, this, boost::weak_ptr<Playlist> (playlist))
+			);
 	}
 
 	return existing;
 }
 
+void
+SessionPlaylists::remove_weak (boost::weak_ptr<Playlist> playlist)
+{
+	boost::shared_ptr<Playlist> p = playlist.lock ();
+	if (p) {
+		remove (p);
+	}
+}
+
 void
 SessionPlaylists::remove (boost::shared_ptr<Playlist> playlist)
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
 	List::iterator i;
 
@@ -100,7 +110,7 @@ SessionPlaylists::remove (boost::shared_ptr<Playlist> playlist)
 		unused_playlists.erase (i);
 	}
 }
-	
+
 
 void
 SessionPlaylists::track (bool inuse, boost::weak_ptr<Playlist> wpl)
@@ -119,7 +129,7 @@ SessionPlaylists::track (bool inuse, boost::weak_ptr<Playlist> wpl)
 	}
 
 	{
-		Glib::Mutex::Lock lm (lock);
+		Glib::Threads::Mutex::Lock lm (lock);
 
 		if (!inuse) {
 
@@ -144,21 +154,21 @@ SessionPlaylists::track (bool inuse, boost::weak_ptr<Playlist> wpl)
 uint32_t
 SessionPlaylists::n_playlists () const
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 	return playlists.size();
 }
 
 boost::shared_ptr<Playlist>
 SessionPlaylists::by_name (string name)
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
 	for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
 		if ((*i)->name() == name) {
 			return* i;
 		}
 	}
-	
+
 	for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
 		if ((*i)->name() == name) {
 			return* i;
@@ -171,14 +181,14 @@ SessionPlaylists::by_name (string name)
 boost::shared_ptr<Playlist>
 SessionPlaylists::by_id (const PBD::ID& id)
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
 	for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
 		if ((*i)->id() == id) {
 			return* i;
 		}
 	}
-	
+
 	for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
 		if ((*i)->id() == id) {
 			return* i;
@@ -191,31 +201,31 @@ SessionPlaylists::by_id (const PBD::ID& id)
 void
 SessionPlaylists::unassigned (std::list<boost::shared_ptr<Playlist> > & list)
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
 	for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
-		if (!(*i)->get_orig_diskstream_id().to_s().compare ("0")) {
+		if (!(*i)->get_orig_track_id().to_s().compare ("0")) {
 			list.push_back (*i);
 		}
 	}
-	
+
 	for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
-		if (!(*i)->get_orig_diskstream_id().to_s().compare ("0")) {
+		if (!(*i)->get_orig_track_id().to_s().compare ("0")) {
 			list.push_back (*i);
 		}
 	}
 }
 
 void
-SessionPlaylists::get (vector<boost::shared_ptr<Playlist> >& s)
+SessionPlaylists::get (vector<boost::shared_ptr<Playlist> >& s) const
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
-	for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+	for (List::const_iterator i = playlists.begin(); i != playlists.end(); ++i) {
 		s.push_back (*i);
 	}
-	
-	for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
+
+	for (List::const_iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
 		s.push_back (*i);
 	}
 }
@@ -223,12 +233,12 @@ SessionPlaylists::get (vector<boost::shared_ptr<Playlist> >& s)
 void
 SessionPlaylists::destroy_region (boost::shared_ptr<Region> r)
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
 	for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
                 (*i)->destroy_region (r);
 	}
-	
+
 	for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
                 (*i)->destroy_region (r);
 	}
@@ -242,7 +252,9 @@ SessionPlaylists::find_equivalent_playlist_regions (boost::shared_ptr<Region> re
 		(*i)->get_region_list_equivalent_regions (region, result);
 }
 
-/** Return the number of playlists (not regions) that contain @a src */
+/** Return the number of playlists (not regions) that contain @a src
+ *  Important: this counts usage in both used and not-used playlists.
+ */
 uint32_t
 SessionPlaylists::source_use_count (boost::shared_ptr<const Source> src) const
 {
@@ -254,13 +266,21 @@ SessionPlaylists::source_use_count (boost::shared_ptr<const Source> src) const
                         break;
                 }
 	}
+
+	for (List::const_iterator p = unused_playlists.begin(); p != unused_playlists.end(); ++p) {
+                if ((*p)->uses_source (src)) {
+                        ++count;
+                        break;
+                }
+	}
+
 	return count;
 }
 
 void
 SessionPlaylists::sync_all_regions_with_regions ()
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
 	for (List::const_iterator p = playlists.begin(); p != playlists.end(); ++p) {
                 (*p)->sync_all_regions_with_regions ();
@@ -313,15 +333,39 @@ SessionPlaylists::maybe_delete_unused (boost::function<int(boost::shared_ptr<Pla
 {
 	vector<boost::shared_ptr<Playlist> > playlists_tbd;
 
+	bool delete_remaining = false;
+	bool keep_remaining = false;
+
 	for (List::iterator x = unused_playlists.begin(); x != unused_playlists.end(); ++x) {
 
+		if (keep_remaining) {
+			break;
+		}
+
+		if (delete_remaining) {
+			playlists_tbd.push_back (*x);
+			continue;
+		}
+
 		int status = ask (*x);
 
 		switch (status) {
 		case -1:
+			// abort
 			return true;
 
-		case 0:
+		case -2:
+			// keep this and all later
+			keep_remaining = true;
+			break;
+
+		case 2:
+			// delete this and all later
+			delete_remaining = true;
+			// no break;
+
+		case 1:
+			// delete this
 			playlists_tbd.push_back (*x);
 			break;
 
@@ -401,10 +445,10 @@ SessionPlaylists::XMLPlaylistFactory (Session& session, const XMLNode& node)
 boost::shared_ptr<Crossfade>
 SessionPlaylists::find_crossfade (const PBD::ID& id)
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
 
 	boost::shared_ptr<Crossfade> c;
-	
+
 	for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
 		c = (*i)->find_crossfade (id);
 		if (c) {
@@ -425,16 +469,34 @@ SessionPlaylists::find_crossfade (const PBD::ID& id)
 uint32_t
 SessionPlaylists::region_use_count (boost::shared_ptr<Region> region) const
 {
-	Glib::Mutex::Lock lm (lock);
+	Glib::Threads::Mutex::Lock lm (lock);
         uint32_t cnt = 0;
-	
-	for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
+
+	for (List::const_iterator i = playlists.begin(); i != playlists.end(); ++i) {
                 cnt += (*i)->region_use_count (region);
 	}
 
-	for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
+	for (List::const_iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
                 cnt += (*i)->region_use_count (region);
 	}
 
 	return cnt;
 }
+
+/** @return list of Playlists that are associated with a track */
+vector<boost::shared_ptr<Playlist> >
+SessionPlaylists::playlists_for_track (boost::shared_ptr<Track> tr) const
+{
+	vector<boost::shared_ptr<Playlist> > pl;
+	get (pl);
+
+	vector<boost::shared_ptr<Playlist> > pl_tr;
+
+	for (vector<boost::shared_ptr<Playlist> >::iterator i = pl.begin(); i != pl.end(); ++i) {
+		if (((*i)->get_orig_track_id() == tr->id()) || (tr->playlist()->id() == (*i)->id())) {
+			pl_tr.push_back (*i);
+		}
+	}
+
+	return pl_tr;
+}