new port design, probably about 90% done (i.e it mostly works and this commit is...

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

diff --git a/libs/ardour/source.cc b/libs/ardour/source.cc
index 7ade8a8573fdd7db1187520cd62cd6b3c0057dfc..a11e82f1e81b245e912ca9f3e2a1439ee2fbd71c 100644 (file)
--- 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"
 
@@ -42,19 +42,27 @@ using std::max;
 
 using namespace ARDOUR;
 
-Source::Source (Session& s, string name)
-       : _session (s)
+Source::Source (Session& s, const string& name, DataType type)
+       : SessionObject(s, name)
+       , _type(type)
 {
-       _name = name;
+       // not true.. is this supposed to be an assertion?
+       //assert(_name.find("/") == string::npos);
+
        _timestamp = 0;
+       _length = 0;
+       _in_use = 0;
 }
 
 Source::Source (Session& s, const XMLNode& node) 
-       : _session (s)
+       : SessionObject(s, "unnamed source")
+       , _type(DataType::AUDIO)
 {
        _timestamp = 0;
+       _length = 0;
+       _in_use = 0;
 
-       if (set_state (node)) {
+       if (set_state (node) || _type == DataType::NIL) {
                throw failed_constructor();
        }
 }
@@ -71,6 +79,7 @@ Source::get_state ()
        char buf[64];
 
        node->add_property ("name", _name);
+       node->add_property ("type", _type.to_string());
        _id.print (buf, sizeof (buf));
        node->add_property ("id", buf);
 
@@ -99,10 +108,68 @@ Source::set_state (const XMLNode& node)
                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::update_length (nframes_t pos, nframes_t cnt)
+{
+       if (pos + cnt > _length) {
+               _length = pos+cnt;
+       }
+}
+
+void
+Source::add_playlist (boost::shared_ptr<Playlist> pl)
+{
+       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();
+}