Towards fixing AU preset invalidation

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

diff --git a/libs/ardour/playlist_source.cc b/libs/ardour/playlist_source.cc
index a1597a76d2335d4d53c83afdc4e103796d4ee439..0b76a3c3a92ba87523b2d16829465cbc15bdde70 100644 (file)
--- a/libs/ardour/playlist_source.cc
+++ b/libs/ardour/playlist_source.cc
@@ -27,26 +27,24 @@
 #include <glibmm/miscutils.h>
 
 #include "pbd/error.h"
-#include "pbd/convert.h"
+#include "pbd/types_convert.h"
 #include "pbd/enumwriter.h"
 
 #include "ardour/playlist.h"
 #include "ardour/playlist_source.h"
 #include "ardour/playlist_factory.h"
-#include "ardour/session.h"
-#include "ardour/session_playlists.h"
-#include "ardour/source_factory.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
-PlaylistSource::PlaylistSource (Session& s, const std::string& name, boost::shared_ptr<Playlist> p, DataType type,
-                               frameoffset_t begin, framecnt_t len, Source::Flag flags)
+PlaylistSource::PlaylistSource (Session& s, const ID& orig, const std::string& name, boost::shared_ptr<Playlist> p, DataType type,
+                               sampleoffset_t begin, samplecnt_t len, Source::Flag /*flags*/)
        : Source (s, type, name)
        , _playlist (p)
+       , _original (orig)
 {
        /* PlaylistSources are never writable, renameable, removable or destructive */
        _flags = Flag (_flags & ~(Writable|CanRename|Removable|RemovableIfEmpty|RemoveAtDestroy|Destructive));
@@ -63,7 +61,7 @@ PlaylistSource::PlaylistSource (Session& s, const XMLNode& node)
 {
        /* PlaylistSources are never writable, renameable, removable or destructive */
        _flags = Flag (_flags & ~(Writable|CanRename|Removable|RemovableIfEmpty|RemoveAtDestroy|Destructive));
-       
+
 
        if (set_state (node, Stateful::loading_state_version)) {
                throw failed_constructor ();
@@ -77,24 +75,20 @@ PlaylistSource::~PlaylistSource ()
 void
 PlaylistSource::add_state (XMLNode& node)
 {
-       char buf[64];
-
-       _playlist->id().print (buf, sizeof (buf));
-       node.add_property ("playlist", buf);
-       snprintf (buf, sizeof (buf), "%" PRIi64, _playlist_offset);
-       node.add_property ("offset", buf);
-       snprintf (buf, sizeof (buf), "%" PRIu64, _playlist_length);
-       node.add_property ("length", buf);
-       
+       node.set_property ("playlist", _playlist->id ());
+       node.set_property ("offset", _playlist_offset);
+       node.set_property ("length", _playlist_length);
+       node.set_property ("original", id());
+
        node.add_child_nocopy (_playlist->get_state());
 }
 
 int
-PlaylistSource::set_state (const XMLNode& node, int version) 
+PlaylistSource::set_state (const XMLNode& node, int /*version*/)
 {
        /* check that we have a playlist ID */
 
-       const XMLProperty *prop = node.property (X_("playlist"));
+       XMLProperty const * prop = node.property (X_("playlist"));
 
        if (!prop) {
                error << _("No playlist ID in PlaylistSource XML!") << endmsg;
@@ -116,28 +110,37 @@ PlaylistSource::set_state (const XMLNode& node, int version)
        }
 
        if (!_playlist) {
-               error << _("No playlist node in PlaylistSource XML!") << endmsg;
+               error << _("Could not construct playlist for PlaylistSource from session data!") << endmsg;
                throw failed_constructor ();
        }
 
        /* other properties */
 
-       if ((prop = node.property (X_("name"))) == 0) {
+       std::string name;
+       if (!node.get_property (X_("name"), name)) {
                throw failed_constructor ();
        }
-       
-       set_name (prop->value());
 
-       if ((prop = node.property (X_("offset"))) == 0) {
+       set_name (name);
+
+       if (!node.get_property (X_("offset"), _playlist_offset)) {
                throw failed_constructor ();
        }
-       sscanf (prop->value().c_str(), "%" PRIi64, &_playlist_offset);
 
-       if ((prop = node.property (X_("length"))) == 0) {
+       if (!node.get_property (X_("length"), _playlist_length)) {
+               throw failed_constructor ();
+       }
+
+       /* XXX not quite sure why we set our ID back to the "original" one
+          here. october 2011, paul
+       */
+
+       std::string str;
+       if (!node.get_property (X_("original"), str)) {
                throw failed_constructor ();
        }
 
-       sscanf (prop->value().c_str(), "%" PRIu64, &_playlist_length);
+       set_id (str);
 
        _level = _playlist->max_source_level () + 1;