revert VST debug hacks
[ardour.git] / libs / ardour / automation_event.cc
index f94a1f7cc3658b68181d73df4384a5359a7078a8..af6fffdeb95e026ba4d8c06af734bfbb58eab8e3 100644 (file)
@@ -26,6 +26,7 @@
 #include <algorithm>
 #include <sigc++/bind.h>
 #include <ardour/automation_event.h>
+#include <pbd/stacktrace.h>
 
 #include "i18n.h"
 
@@ -36,6 +37,11 @@ using namespace PBD;
 
 sigc::signal<void,AutomationList *> AutomationList::AutomationListCreated;
 
+static bool sort_events_by_time (ControlEvent* a, ControlEvent* b)
+{
+       return a->when < b->when;
+}
+
 #if 0
 static void dumpit (const AutomationList& al, string prefix = "")
 {
@@ -47,14 +53,13 @@ static void dumpit (const AutomationList& al, string prefix = "")
 }
 #endif
 
-AutomationList::AutomationList (double defval, bool with_state)
+AutomationList::AutomationList (double defval)
 {
-       _frozen = false;
+       _frozen = 0;
        changed_when_thawed = false;
        _state = Off;
        _style = Absolute;
        _touching = false;
-       no_state = with_state;
        min_yval = FLT_MIN;
        max_yval = FLT_MAX;
        max_xval = 0; // means "no limit" 
@@ -63,13 +68,14 @@ AutomationList::AutomationList (double defval, bool with_state)
        rt_insertion_point = events.end();
        lookup_cache.left = -1;
        lookup_cache.range.first = events.end();
+       sort_pending = false;
 
         AutomationListCreated(this);
 }
 
 AutomationList::AutomationList (const AutomationList& other)
 {
-       _frozen = false;
+       _frozen = 0;
        changed_when_thawed = false;
        _style = other._style;
        min_yval = other.min_yval;
@@ -80,9 +86,9 @@ AutomationList::AutomationList (const AutomationList& other)
        _touching = other._touching;
        _dirty = false;
        rt_insertion_point = events.end();
-       no_state = other.no_state;
        lookup_cache.left = -1;
        lookup_cache.range.first = events.end();
+       sort_pending = false;
 
        for (const_iterator i = other.events.begin(); i != other.events.end(); ++i) {
                /* we have to use other point_factory() because
@@ -97,7 +103,7 @@ AutomationList::AutomationList (const AutomationList& other)
 
 AutomationList::AutomationList (const AutomationList& other, double start, double end)
 {
-       _frozen = false;
+       _frozen = 0;
        changed_when_thawed = false;
        _style = other._style;
        min_yval = other.min_yval;
@@ -108,9 +114,9 @@ AutomationList::AutomationList (const AutomationList& other, double start, doubl
        _touching = other._touching;
        _dirty = false;
        rt_insertion_point = events.end();
-       no_state = other.no_state;
        lookup_cache.left = -1;
        lookup_cache.range.first = events.end();
+       sort_pending = false;
 
        /* now grab the relevant points, and shift them back if necessary */
 
@@ -125,13 +131,35 @@ AutomationList::AutomationList (const AutomationList& other, double start, doubl
        delete section;
 
        mark_dirty ();
+
+        AutomationListCreated(this);
+}
+
+AutomationList::AutomationList (const XMLNode& node)
+{
+       _frozen = 0;
+       changed_when_thawed = false;
+       _touching = false;
+       min_yval = FLT_MIN;
+       max_yval = FLT_MAX;
+       max_xval = 0; // means "no limit" 
+       _dirty = false;
+       _state = Off;
+       _style = Absolute;
+       rt_insertion_point = events.end();
+       lookup_cache.left = -1;
+       lookup_cache.range.first = events.end();
+       sort_pending = false;
+       
+       set_state (node);
+
         AutomationListCreated(this);
 }
 
 AutomationList::~AutomationList()
 {
        GoingAway ();
-
+       
        for (AutomationEventList::iterator x = events.begin(); x != events.end(); ++x) {
                delete (*x);
        }
@@ -174,7 +202,7 @@ AutomationList::maybe_signal_changed ()
        if (_frozen) {
                changed_when_thawed = true;
        } else {
-               StateChanged (Change (0));
+               StateChanged ();
        }
 }
 
@@ -346,12 +374,19 @@ AutomationList::rt_add (double when, double value)
        maybe_signal_changed ();
 }
 
+void
+AutomationList::fast_simple_add (double when, double value)
+{
+       /* to be used only for loading pre-sorted data from saved state */
+       events.insert (events.end(), point_factory (when, value));
+}
+
 #undef last_rt_insertion_point
 
 void
 AutomationList::add (double when, double value)
 {
-       /* this is for graphical editing and loading data from storage */
+       /* this is for graphical editing */
 
        {
                Glib::Mutex::Lock lm (lock);
@@ -376,7 +411,7 @@ AutomationList::add (double when, double value)
                }
 
                if (insert) {
-
+                       
                        events.insert (insertion_point, point_factory (when, value));
                        reposition_for_rt_add (0);
 
@@ -395,11 +430,6 @@ AutomationList::erase (AutomationList::iterator i)
                Glib::Mutex::Lock lm (lock);
                events.erase (i);
                reposition_for_rt_add (0);
-               if (!no_state) {
-#ifdef STATE_MANAGER
-                       save_state (_("removed event"));
-#endif
-               }
                mark_dirty ();
        }
        maybe_signal_changed ();
@@ -491,15 +521,43 @@ AutomationList::move_range (iterator start, iterator end, double xdelta, double
                while (start != end) {
                        (*start)->when += xdelta;
                        (*start)->value += ydelta;
+                       if (isnan ((*start)->value)) {
+                               abort ();
+                       }
                        ++start;
                }
 
+               if (!_frozen) {
+                       events.sort (sort_events_by_time);
+               } else {
+                       sort_pending = true;
+               }
+
                mark_dirty ();
        }
 
        maybe_signal_changed ();
 }
 
+void
+AutomationList::slide (iterator before, double distance)
+{
+       {
+               Glib::Mutex::Lock lm (lock);
+
+               if (before == events.end()) {
+                       return;
+               }
+               
+               while (before != events.end()) {
+                       (*before)->when += distance;
+                       ++before;
+               }
+       }
+
+       maybe_signal_changed ();
+}
+
 void
 AutomationList::modify (iterator iter, double when, double val)
 {
@@ -510,11 +568,23 @@ AutomationList::modify (iterator iter, double when, double val)
 
        {
                Glib::Mutex::Lock lm (lock);
+
                (*iter)->when = when;
                (*iter)->value = val;
+
+               if (isnan (val)) {
+                       abort ();
+               }
+
+               if (!_frozen) {
+                       events.sort (sort_events_by_time);
+               } else {
+                       sort_pending = true;
+               }
+
                mark_dirty ();
        }
-       
+
        maybe_signal_changed ();
 }
 
@@ -555,15 +625,33 @@ AutomationList::control_points_adjacent (double xval)
 void
 AutomationList::freeze ()
 {
-       _frozen = true;
+       _frozen++;
 }
 
 void
 AutomationList::thaw ()
 {
-       _frozen = false;
+       if (_frozen == 0) {
+               PBD::stacktrace (cerr);
+               fatal << string_compose (_("programming error: %1"), X_("AutomationList::thaw() called while not frozen")) << endmsg;
+               /*NOTREACHED*/
+       }
+
+       if (--_frozen > 0) {
+               return;
+       }
+
+       {
+               Glib::Mutex::Lock lm (lock);
+
+               if (sort_pending) {
+                       events.sort (sort_events_by_time);
+                       sort_pending = false;
+               }
+       }
+
        if (changed_when_thawed) {
-                StateChanged(Change(0)); /* EMIT SIGNAL */
+               StateChanged(); /* EMIT SIGNAL */
        }
 }
 
@@ -590,10 +678,6 @@ AutomationList::truncate_end (double last_coordinate)
                double last_val;
 
                if (events.empty()) {
-                       fatal << _("programming error:")
-                             << "AutomationList::truncate_end() called on an empty list"
-                             << endmsg;
-                       /*NOTREACHED*/
                        return;
                }
 
@@ -1118,66 +1202,221 @@ AutomationList::point_factory (const ControlEvent& other) const
 XMLNode&
 AutomationList::get_state ()
 {
-       stringstream str;
-       XMLNode* node = new XMLNode (X_("events"));
-       iterator xx;
+       return state (true);
+}
+
+XMLNode&
+AutomationList::state (bool full)
+{
+       XMLNode* root = new XMLNode (X_("AutomationList"));
+       char buf[64];
+       LocaleGuard lg (X_("POSIX"));
+
+       root->add_property ("id", _id.to_s());
+
+       snprintf (buf, sizeof (buf), "%.12g", default_value);
+       root->add_property ("default", buf);
+       snprintf (buf, sizeof (buf), "%.12g", min_yval);
+       root->add_property ("min_yval", buf);
+       snprintf (buf, sizeof (buf), "%.12g", max_yval);
+       root->add_property ("max_yval", buf);
+       snprintf (buf, sizeof (buf), "%.12g", max_xval);
+       root->add_property ("max_xval", buf);
+
+       if (full) {
+               root->add_property ("state", auto_state_to_string (_state));
+       } else {
+               /* never save anything but Off for automation state to a template */
+               root->add_property ("state", auto_state_to_string (Off));
+       }
+
+       root->add_property ("style", auto_style_to_string (_style));
 
-       if (events.empty()) {
-               return *node;
+       if (!events.empty()) {
+               root->add_child_nocopy (serialize_events());
        }
 
-       for (xx = events.begin(); xx != events.end(); ++xx) {
+       return *root;
+}
+
+XMLNode&
+AutomationList::serialize_events ()
+{
+       XMLNode* node = new XMLNode (X_("events"));
+       stringstream str;
+
+       for (iterator xx = events.begin(); xx != events.end(); ++xx) {
                str << (double) (*xx)->when;
                str << ' ';
                str <<(double) (*xx)->value;
                str << '\n';
        }
 
-       node->add_content (str.str());
+       /* XML is a bit wierd */
+
+       XMLNode* content_node = new XMLNode (X_("foo")); /* it gets renamed by libxml when we set content */
+       content_node->set_content (str.str());
+
+       node->add_child_nocopy (*content_node);
 
        return *node;
 }
 
 int
-AutomationList::set_state (const XMLNode& node)
+AutomationList::deserialize_events (const XMLNode& node)
 {
-       if (node.name() != X_("events")) {
-               warning << _("automation list: passed XML node not called \"events\" - ignored.") << endmsg;
+       if (node.children().empty()) {
+               return -1;
+       }
+
+       XMLNode* content_node = node.children().front();
+
+       if (content_node->content().empty()) {
                return -1;
        }
 
        freeze ();
        clear ();
+       
+       stringstream str (content_node->content());
+       
+       double x;
+       double y;
+       bool ok = true;
+       
+       while (str) {
+               str >> x;
+               if (!str) {
+                       break;
+               }
+               str >> y;
+               if (!str) {
+                       ok = false;
+                       break;
+               }
+               fast_simple_add (x, y);
+       }
+       
+       if (!ok) {
+               clear ();
+               error << _("automation list: cannot load coordinates from XML, all points ignored") << endmsg;
+       } else {
+               mark_dirty ();
+               reposition_for_rt_add (0);
+               maybe_signal_changed ();
+       }
 
-       if (!node.content().empty()) {
-               
-               stringstream str (node.content());
-               
-               double x;
+       thaw ();
+
+       return 0;
+}
+
+int
+AutomationList::set_state (const XMLNode& node)
+{
+       XMLNodeList nlist = node.children();
+       XMLNode* nsos;
+       XMLNodeIterator niter;
+       const XMLProperty* prop;
+
+       if (node.name() == X_("events")) {
+               /* partial state setting*/
+               return deserialize_events (node);
+       }
+       
+       if (node.name() == X_("Envelope") || node.name() == X_("FadeOut") || node.name() == X_("FadeIn")) {
+
+               if ((nsos = node.child (X_("AutomationList")))) {
+                       /* new school in old school clothing */
+                       return set_state (*nsos);
+               }
+
+               /* old school */
+
+               const XMLNodeList& elist = node.children();
+               XMLNodeConstIterator i;
+               XMLProperty* prop;
+               jack_nframes_t x;
                double y;
-               bool ok = true;
                
-               while (str) {
-                       str >> x;
-                       if (!str) {
-                               ok = false;
-                               break;
+               freeze ();
+               clear ();
+               
+               for (i = elist.begin(); i != elist.end(); ++i) {
+                       
+                       if ((prop = (*i)->property ("x")) == 0) {
+                               error << _("automation list: no x-coordinate stored for control point (point ignored)") << endmsg;
+                               continue;
                        }
-                       str >> y;
-                       if (!str) {
-                               ok = false;
-                               break;
+                       x = atoi (prop->value().c_str());
+                       
+                       if ((prop = (*i)->property ("y")) == 0) {
+                               error << _("automation list: no y-coordinate stored for control point (point ignored)") << endmsg;
+                               continue;
                        }
-                       add (x, y);
+                       y = atof (prop->value().c_str());
+                       
+                       fast_simple_add (x, y);
                }
                
-               if (!ok) {
-                       clear ();
-                       error << _("automation list: cannot load coordinates from XML, all points ignored") << endmsg;
+               thaw ();
+
+               return 0;
+       }
+
+       if (node.name() != X_("AutomationList") ) {
+               error << string_compose (_("AutomationList: passed XML node called %1, not \"AutomationList\" - ignored"), node.name()) << endmsg;
+               return -1;
+       }
+       
+       if ((prop = node.property ("id")) != 0) {
+               _id = prop->value ();
+               /* update session AL list */
+               AutomationListCreated(this);
+       }
+       
+       if ((prop = node.property (X_("default"))) != 0){ 
+               default_value = atof (prop->value());
+       } else {
+               default_value = 0.0;
+       }
+
+       if ((prop = node.property (X_("style"))) != 0) {
+               _style = string_to_auto_style (prop->value());
+       } else {
+               _style = Absolute;
+       }
+
+       if ((prop = node.property (X_("state"))) != 0) {
+               _state = string_to_auto_state (prop->value());
+       } else {
+               _state = Off;
+       }
+
+       if ((prop = node.property (X_("min_yval"))) != 0) {
+               min_yval = atof (prop->value ());
+       } else {
+               min_yval = FLT_MIN;
+       }
+
+       if ((prop = node.property (X_("max_yval"))) != 0) {
+               max_yval = atof (prop->value ());
+       } else {
+               max_yval = FLT_MAX;
+       }
+
+       if ((prop = node.property (X_("max_xval"))) != 0) {
+               max_xval = atof (prop->value ());
+       } else {
+               max_xval = 0; // means "no limit ;
+       }
+
+       for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+               if ((*niter)->name() == X_("events")) {
+                       deserialize_events (*(*niter));
                }
        }
 
-       thaw ();
        return 0;
 }