X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsource.cc;h=a11e82f1e81b245e912ca9f3e2a1439ee2fbd71c;hb=8ab17e96312f1a61c014c50687e15430d5ae786b;hp=0d32ea4a216ec6134dbb93281819747bd24ec8c5;hpb=7ff370e79895d7eb293e7214689b791bd98415fb;p=ardour.git

diff --git a/libs/ardour/source.cc b/libs/ardour/source.cc
index 0d32ea4a21..a11e82f1e8 100644
--- a/libs/ardour/source.cc
+++ b/libs/ardour/source.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.
 
-    $Id$
 */
 
 #include <sys/stat.h>
@@ -34,6 +33,7 @@
 #include <pbd/pthread_utils.h>
 
 #include <ardour/source.h>
+#include <ardour/playlist.h>
 
 #include "i18n.h"
 
@@ -42,26 +42,34 @@ using std::max;
 
 using namespace ARDOUR;
 
-Source::Source (string name)
+Source::Source (Session& s, const string& name, DataType type)
+	: SessionObject(s, name)
+	, _type(type)
 {
-	_name = name;
-	_id = ARDOUR::new_id();
-	_use_cnt = 0;
+	// not true.. is this supposed to be an assertion?
+	//assert(_name.find("/") == string::npos);
+
 	_timestamp = 0;
+	_length = 0;
+	_in_use = 0;
 }
 
-Source::Source (const XMLNode& node) 
+Source::Source (Session& s, const XMLNode& node) 
+	: SessionObject(s, "unnamed source")
+	, _type(DataType::AUDIO)
 {
-	_use_cnt = 0;
 	_timestamp = 0;
+	_length = 0;
+	_in_use = 0;
 
-	if (set_state (node)) {
+	if (set_state (node) || _type == DataType::NIL) {
 		throw failed_constructor();
 	}
 }
 
 Source::~Source ()
 {
+	notify_callbacks ();
 }
 
 XMLNode&
@@ -71,7 +79,8 @@ Source::get_state ()
 	char buf[64];
 
 	node->add_property ("name", _name);
-	snprintf (buf, sizeof(buf)-1, "%" PRIu64, _id);
+	node->add_property ("type", _type.to_string());
+	_id.print (buf, sizeof (buf));
 	node->add_property ("id", buf);
 
 	if (_timestamp != 0) {
@@ -94,27 +103,73 @@ Source::set_state (const XMLNode& node)
 	}
 	
 	if ((prop = node.property ("id")) != 0) {
-		sscanf (prop->value().c_str(), "%" PRIu64, &_id);
+		_id = prop->value ();
 	} else {
 		return -1;
 	}
 
+	if ((prop = node.property ("type")) != 0) {
+		_type = DataType(prop->value());
+	}
+
 	if ((prop = node.property ("timestamp")) != 0) {
 		sscanf (prop->value().c_str(), "%ld", &_timestamp);
 	}
+	
+	// Don't think this is valid, absolute paths fail
+	//assert(_name.find("/") == string::npos);
 
 	return 0;
 }
 
 void
-Source::use ()
+Source::update_length (nframes_t pos, nframes_t cnt)
 {
-	_use_cnt++;
+	if (pos + cnt > _length) {
+		_length = pos+cnt;
+	}
 }
 
 void
-Source::release ()
+Source::add_playlist (boost::shared_ptr<Playlist> pl)
 {
-	if (_use_cnt) --_use_cnt;
+	std::pair<PlaylistMap::iterator,bool> res;
+	std::pair<boost::shared_ptr<Playlist>, uint32_t> newpair (pl, 1);
+	Glib::Mutex::Lock lm (playlist_lock);
+
+	res = _playlists.insert (newpair);
+
+	if (!res.second) {
+		/* it already existed, bump count */
+		res.first->second++;
+	}
+		
+	pl->GoingAway.connect (bind (mem_fun (*this, &Source::remove_playlist), boost::weak_ptr<Playlist> (pl)));
 }
 
+void
+Source::remove_playlist (boost::weak_ptr<Playlist> wpl)
+{
+	boost::shared_ptr<Playlist> pl (wpl.lock());
+
+	if (!pl) {
+		return;
+	}
+
+	PlaylistMap::iterator x;
+	Glib::Mutex::Lock lm (playlist_lock);
+
+	if ((x = _playlists.find (pl)) != _playlists.end()) {
+		if (x->second > 1) {
+			x->second--;
+		} else {
+			_playlists.erase (x);
+		}
+	}
+}
+
+uint32_t
+Source::used () const
+{
+	return _playlists.size();
+}