along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <set>
#include <climits>
#include <float.h>
#include <cmath>
+#include <sstream>
#include <algorithm>
#include <sigc++/bind.h>
+#include <ardour/parameter.h>
#include <ardour/automation_event.h>
+#include <ardour/curve.h>
+#include <pbd/stacktrace.h>
+#include <pbd/enumwriter.h>
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace sigc;
+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 = "")
}
#endif
-AutomationList::AutomationList (double defval, bool with_state)
-{
- _frozen = false;
- changed_when_thawed = false;
+AutomationList::AutomationList (Parameter id, double min_val, double max_val, double default_val)
+ : _parameter(id)
+ , _interpolation(Linear)
+ , _curve(new Curve(*this))
+{
+ _parameter = id;
+ _frozen = 0;
+ _changed_when_thawed = false;
_state = Off;
_style = Absolute;
+ _min_yval = min_val;
+ _max_yval = max_val;
_touching = false;
- no_state = with_state;
- min_yval = FLT_MIN;
- max_yval = FLT_MAX;
- max_xval = 0; // means "no limit"
- default_value = defval;
- _dirty = false;
- rt_insertion_point = events.end();
- lookup_cache.left = -1;
- lookup_cache.range.first = events.end();
-
- if (!no_state) {
- save_state (_("initial"));
- }
+ _max_xval = 0; // means "no limit"
+ _default_value = default_val;
+ _rt_insertion_point = _events.end();
+ _lookup_cache.left = -1;
+ _lookup_cache.range.first = _events.end();
+ _search_cache.left = -1;
+ _search_cache.range.first = _events.end();
+ _sort_pending = false;
+
+ assert(_parameter.type() != NullAutomation);
+ AutomationListCreated(this);
}
AutomationList::AutomationList (const AutomationList& other)
+ : _parameter(other._parameter)
+ , _interpolation(Linear)
+ , _curve(new Curve(*this))
{
- _frozen = false;
- changed_when_thawed = false;
+ _frozen = 0;
+ _changed_when_thawed = false;
_style = other._style;
- min_yval = other.min_yval;
- max_yval = other.max_yval;
- max_xval = other.max_xval;
- default_value = other.default_value;
+ _min_yval = other._min_yval;
+ _max_yval = other._max_yval;
+ _max_xval = other._max_xval;
+ _default_value = other._default_value;
_state = other._state;
_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();
-
- for (const_iterator i = other.events.begin(); i != other.events.end(); ++i) {
- /* we have to use other point_factory() because
- its virtual and we're in a constructor.
- */
- events.push_back (other.point_factory (**i));
+ _rt_insertion_point = _events.end();
+ _lookup_cache.range.first = _events.end();
+ _search_cache.range.first = _events.end();
+ _sort_pending = false;
+
+ for (const_iterator i = other._events.begin(); i != other._events.end(); ++i) {
+ _events.push_back (new ControlEvent (**i));
}
mark_dirty ();
+ assert(_parameter.type() != NullAutomation);
+ AutomationListCreated(this);
}
AutomationList::AutomationList (const AutomationList& other, double start, double end)
+ : _parameter(other._parameter)
+ , _interpolation(Linear)
+ , _curve(new Curve(*this))
{
- _frozen = false;
- changed_when_thawed = false;
+ _frozen = 0;
+ _changed_when_thawed = false;
_style = other._style;
- min_yval = other.min_yval;
- max_yval = other.max_yval;
- max_xval = other.max_xval;
- default_value = other.default_value;
+ _min_yval = other._min_yval;
+ _max_yval = other._max_yval;
+ _max_xval = other._max_xval;
+ _default_value = other._default_value;
_state = other._state;
_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();
+ _rt_insertion_point = _events.end();
+ _lookup_cache.range.first = _events.end();
+ _search_cache.range.first = _events.end();
+ _sort_pending = false;
/* now grab the relevant points, and shift them back if necessary */
AutomationList* section = const_cast<AutomationList*>(&other)->copy (start, end);
if (!section->empty()) {
- for (AutomationList::iterator i = section->begin(); i != section->end(); ++i) {
- events.push_back (other.point_factory ((*i)->when, (*i)->value));
+ for (iterator i = section->begin(); i != section->end(); ++i) {
+ _events.push_back (new ControlEvent ((*i)->when, (*i)->value));
}
}
delete section;
mark_dirty ();
+
+ assert(_parameter.type() != NullAutomation);
+ AutomationListCreated(this);
}
-AutomationList::~AutomationList()
+/** \a id is used for legacy sessions where the type is not present
+ * in or below the <AutomationList> node. It is used if \a id is non-null.
+ */
+AutomationList::AutomationList (const XMLNode& node, Parameter id)
+ : _interpolation(Linear)
+ , _curve(new Curve(*this))
{
- std::set<ControlEvent*> all_events;
- AutomationList::State* asp;
-
- for (AutomationEventList::iterator x = events.begin(); x != events.end(); ++x) {
- all_events.insert (*x);
- }
+ _frozen = 0;
+ _changed_when_thawed = false;
+ _touching = false;
+ _min_yval = FLT_MIN;
+ _max_yval = FLT_MAX;
+ _max_xval = 0; // means "no limit"
+ _state = Off;
+ _style = Absolute;
+ _rt_insertion_point = _events.end();
+ _lookup_cache.range.first = _events.end();
+ _search_cache.range.first = _events.end();
+ _sort_pending = false;
+
+ set_state (node);
- for (StateMap::iterator i = states.begin(); i != states.end(); ++i) {
+ if (id)
+ _parameter = id;
- if ((asp = dynamic_cast<AutomationList::State*> (*i)) != 0) {
-
- for (AutomationEventList::iterator x = asp->events.begin(); x != asp->events.end(); ++x) {
- all_events.insert (*x);
- }
- }
- }
+ assert(_parameter.type() != NullAutomation);
+ AutomationListCreated(this);
+}
- for (std::set<ControlEvent*>::iterator i = all_events.begin(); i != all_events.end(); ++i) {
- delete (*i);
+AutomationList::~AutomationList()
+{
+ GoingAway ();
+
+ for (EventList::iterator x = _events.begin(); x != _events.end(); ++x) {
+ delete (*x);
}
}
bool
AutomationList::operator== (const AutomationList& other)
{
- return events == other.events;
+ return _events == other._events;
}
AutomationList&
{
if (this != &other) {
- events.clear ();
+ _events.clear ();
- for (const_iterator i = other.events.begin(); i != other.events.end(); ++i) {
- events.push_back (point_factory (**i));
+ for (const_iterator i = other._events.begin(); i != other._events.end(); ++i) {
+ _events.push_back (new ControlEvent (**i));
}
- min_yval = other.min_yval;
- max_yval = other.max_yval;
- max_xval = other.max_xval;
- default_value = other.default_value;
+ _min_yval = other._min_yval;
+ _max_yval = other._max_yval;
+ _max_xval = other._max_xval;
+ _default_value = other._default_value;
mark_dirty ();
maybe_signal_changed ();
mark_dirty ();
if (_frozen) {
- changed_when_thawed = true;
+ _changed_when_thawed = true;
} else {
- StateChanged (Change (0));
+ StateChanged ();
}
}
AutomationList::clear ()
{
{
- Glib::Mutex::Lock lm (lock);
- events.clear ();
- if (!no_state) {
- save_state (_("cleared"));
- }
+ Glib::Mutex::Lock lm (_lock);
+ _events.clear ();
mark_dirty ();
}
void
AutomationList::x_scale (double factor)
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
_x_scale (factor);
}
bool
AutomationList::extend_to (double when)
{
- Glib::Mutex::Lock lm (lock);
- if (events.empty() || events.back()->when == when) {
+ Glib::Mutex::Lock lm (_lock);
+ if (_events.empty() || _events.back()->when == when) {
return false;
}
- double factor = when / events.back()->when;
+ double factor = when / _events.back()->when;
_x_scale (factor);
return true;
}
void AutomationList::_x_scale (double factor)
{
- for (AutomationList::iterator i = events.begin(); i != events.end(); ++i) {
+ for (iterator i = _events.begin(); i != _events.end(); ++i) {
(*i)->when = floor ((*i)->when * factor);
}
- save_state ("x-scaled");
mark_dirty ();
}
void
AutomationList::reposition_for_rt_add (double when)
{
- rt_insertion_point = events.end();
+ _rt_insertion_point = _events.end();
}
-#define last_rt_insertion_point rt_insertion_point
-
void
AutomationList::rt_add (double when, double value)
{
// cerr << "RT: alist @ " << this << " add " << value << " @ " << when << endl;
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
iterator where;
- TimeComparator cmp;
ControlEvent cp (when, 0.0);
bool done = false;
- if ((last_rt_insertion_point != events.end()) && ((*last_rt_insertion_point)->when < when) ) {
+ if ((_rt_insertion_point != _events.end()) && ((*_rt_insertion_point)->when < when) ) {
/* we have a previous insertion point, so we should delete
everything between it and the position where we are going
to insert this point.
*/
- iterator after = last_rt_insertion_point;
+ iterator after = _rt_insertion_point;
- if (++after != events.end()) {
+ if (++after != _events.end()) {
iterator far = after;
- while (far != events.end()) {
+ while (far != _events.end()) {
if ((*far)->when > when) {
break;
}
++far;
}
- if(_new_touch) {
- where = far;
- last_rt_insertion_point = where;
-
- if((*where)->when == when) {
- (*where)->value = value;
- done = true;
- }
- } else {
- where = events.erase (after, far);
- }
+ if (_new_touch) {
+ where = far;
+ _rt_insertion_point = where;
+
+ if ((*where)->when == when) {
+ (*where)->value = value;
+ done = true;
+ }
+ } else {
+ where = _events.erase (after, far);
+ }
} else {
}
- iterator previous = last_rt_insertion_point;
- --previous;
+ iterator previous = _rt_insertion_point;
+ --previous;
- if (last_rt_insertion_point != events.begin() && (*last_rt_insertion_point)->value == value && (*previous)->value == value) {
- (*last_rt_insertion_point)->when = when;
+ if (_rt_insertion_point != _events.begin() && (*_rt_insertion_point)->value == value && (*previous)->value == value) {
+ (*_rt_insertion_point)->when = when;
done = true;
}
} else {
- where = lower_bound (events.begin(), events.end(), &cp, cmp);
+ where = lower_bound (_events.begin(), _events.end(), &cp, time_comparator);
- if (where != events.end()) {
+ if (where != _events.end()) {
if ((*where)->when == when) {
(*where)->value = value;
done = true;
}
}
}
-
+
if (!done) {
- last_rt_insertion_point = events.insert (where, point_factory (when, value));
+ _rt_insertion_point = _events.insert (where, new ControlEvent (when, value));
}
_new_touch = false;
maybe_signal_changed ();
}
-#undef last_rt_insertion_point
+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(), new ControlEvent (when, value));
+}
void
-AutomationList::add (double when, double value, bool for_loading)
+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);
- TimeComparator cmp;
+ Glib::Mutex::Lock lm (_lock);
ControlEvent cp (when, 0.0f);
bool insert = true;
iterator insertion_point;
- for (insertion_point = lower_bound (events.begin(), events.end(), &cp, cmp); insertion_point != events.end(); ++insertion_point) {
+ for (insertion_point = lower_bound (_events.begin(), _events.end(), &cp, time_comparator); insertion_point != _events.end(); ++insertion_point) {
/* only one point allowed per time point */
}
if (insert) {
-
- events.insert (insertion_point, point_factory (when, value));
+
+ _events.insert (insertion_point, new ControlEvent (when, value));
reposition_for_rt_add (0);
}
mark_dirty ();
-
- if (!no_state && !for_loading) {
- save_state (_("added event"));
- }
}
- if (!for_loading) {
- maybe_signal_changed ();
- }
+ maybe_signal_changed ();
}
void
-AutomationList::erase (AutomationList::iterator i)
+AutomationList::erase (iterator i)
{
{
- Glib::Mutex::Lock lm (lock);
- events.erase (i);
+ Glib::Mutex::Lock lm (_lock);
+ _events.erase (i);
reposition_for_rt_add (0);
- if (!no_state) {
- save_state (_("removed event"));
- }
mark_dirty ();
}
maybe_signal_changed ();
}
void
-AutomationList::erase (AutomationList::iterator start, AutomationList::iterator end)
+AutomationList::erase (iterator start, iterator end)
{
{
- Glib::Mutex::Lock lm (lock);
- events.erase (start, end);
+ Glib::Mutex::Lock lm (_lock);
+ _events.erase (start, end);
reposition_for_rt_add (0);
- if (!no_state) {
- save_state (_("removed multiple events"));
- }
mark_dirty ();
}
maybe_signal_changed ();
bool reset = false;
{
- Glib::Mutex::Lock lm (lock);
- TimeComparator cmp;
+ Glib::Mutex::Lock lm (_lock);
ControlEvent cp (start, 0.0f);
iterator s;
iterator e;
- if ((s = lower_bound (events.begin(), events.end(), &cp, cmp)) != events.end()) {
+ if ((s = lower_bound (_events.begin(), _events.end(), &cp, time_comparator)) != _events.end()) {
cp.when = endt;
- e = upper_bound (events.begin(), events.end(), &cp, cmp);
+ e = upper_bound (_events.begin(), _events.end(), &cp, time_comparator);
for (iterator i = s; i != e; ++i) {
- (*i)->value = default_value;
+ (*i)->value = _default_value;
}
reset = true;
- if (!no_state) {
- save_state (_("removed range"));
- }
-
mark_dirty ();
}
}
bool erased = false;
{
- Glib::Mutex::Lock lm (lock);
- TimeComparator cmp;
+ Glib::Mutex::Lock lm (_lock);
ControlEvent cp (start, 0.0f);
iterator s;
iterator e;
- if ((s = lower_bound (events.begin(), events.end(), &cp, cmp)) != events.end()) {
+ if ((s = lower_bound (_events.begin(), _events.end(), &cp, time_comparator)) != _events.end()) {
cp.when = endt;
- e = upper_bound (events.begin(), events.end(), &cp, cmp);
- events.erase (s, e);
+ e = upper_bound (_events.begin(), _events.end(), &cp, time_comparator);
+ _events.erase (s, e);
reposition_for_rt_add (0);
erased = true;
- if (!no_state) {
- save_state (_("removed range"));
- }
mark_dirty ();
}
*/
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
while (start != end) {
(*start)->when += xdelta;
(*start)->value += ydelta;
+ if (isnan ((*start)->value)) {
+ abort ();
+ }
++start;
}
- if (!no_state) {
- save_state (_("event range adjusted"));
+ 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)
{
*/
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
+
(*iter)->when = when;
(*iter)->value = val;
- if (!no_state) {
- save_state (_("event adjusted"));
+
+ if (isnan (val)) {
+ abort ();
+ }
+
+ if (!_frozen) {
+ _events.sort (sort_events_by_time);
+ } else {
+ _sort_pending = true;
}
mark_dirty ();
}
-
+
maybe_signal_changed ();
}
std::pair<AutomationList::iterator,AutomationList::iterator>
AutomationList::control_points_adjacent (double xval)
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
iterator i;
- TimeComparator cmp;
ControlEvent cp (xval, 0.0f);
std::pair<iterator,iterator> ret;
- ret.first = events.end();
- ret.second = events.end();
+ ret.first = _events.end();
+ ret.second = _events.end();
- for (i = lower_bound (events.begin(), events.end(), &cp, cmp); i != events.end(); ++i) {
+ for (i = lower_bound (_events.begin(), _events.end(), &cp, time_comparator); i != _events.end(); ++i) {
- if (ret.first == events.end()) {
+ if (ret.first == _events.end()) {
if ((*i)->when >= xval) {
- if (i != events.begin()) {
+ if (i != _events.begin()) {
ret.first = i;
--ret.first;
} else {
void
AutomationList::freeze ()
{
- _frozen = true;
+ _frozen++;
}
void
AutomationList::thaw ()
{
- _frozen = false;
- if (changed_when_thawed) {
- StateChanged(Change(0)); /* EMIT SIGNAL */
+ if (_frozen == 0) {
+ PBD::stacktrace (cerr);
+ fatal << string_compose (_("programming error: %1"), X_("AutomationList::thaw() called while not frozen")) << endmsg;
+ /*NOTREACHED*/
}
-}
-StateManager::State*
-AutomationList::state_factory (std::string why) const
-{
- State* state = new State (why);
-
- for (AutomationEventList::const_iterator x = events.begin(); x != events.end(); ++x) {
- state->events.push_back (point_factory (**x));
+ if (--_frozen > 0) {
+ return;
}
- return state;
-}
-
-Change
-AutomationList::restore_state (StateManager::State& state)
-{
{
- Glib::Mutex::Lock lm (lock);
- State* lstate = dynamic_cast<State*> (&state);
+ Glib::Mutex::Lock lm (_lock);
- events.clear ();
- for (AutomationEventList::const_iterator x = lstate->events.begin(); x != lstate->events.end(); ++x) {
- events.push_back (point_factory (**x));
+ if (_sort_pending) {
+ _events.sort (sort_events_by_time);
+ _sort_pending = false;
}
}
- return Change (0);
-}
-
-UndoAction
-AutomationList::get_memento () const
-{
- return sigc::bind (mem_fun (*(const_cast<AutomationList*> (this)), &StateManager::use_state), _current_state_id);
+ if (_changed_when_thawed) {
+ StateChanged(); /* EMIT SIGNAL */
+ }
}
void
AutomationList::set_max_xval (double x)
{
- max_xval = x;
+ _max_xval = x;
}
void
AutomationList::mark_dirty ()
{
- lookup_cache.left = -1;
- _dirty = true;
+ _lookup_cache.left = -1;
+ _search_cache.left = -1;
+ Dirty (); /* EMIT SIGNAL */
}
void
AutomationList::truncate_end (double last_coordinate)
{
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
ControlEvent cp (last_coordinate, 0);
list<ControlEvent*>::reverse_iterator i;
double last_val;
- if (events.empty()) {
- fatal << _("programming error:")
- << "AutomationList::truncate_end() called on an empty list"
- << endmsg;
- /*NOTREACHED*/
+ if (_events.empty()) {
return;
}
- if (last_coordinate == events.back()->when) {
+ if (last_coordinate == _events.back()->when) {
return;
}
- if (last_coordinate > events.back()->when) {
+ if (last_coordinate > _events.back()->when) {
/* extending end:
*/
- iterator foo = events.begin();
+ iterator foo = _events.begin();
bool lessthantwo;
- if (foo == events.end()) {
+ if (foo == _events.end()) {
lessthantwo = true;
- } else if (++foo == events.end()) {
+ } else if (++foo == _events.end()) {
lessthantwo = true;
} else {
lessthantwo = false;
if (lessthantwo) {
/* less than 2 points: add a new point */
- events.push_back (point_factory (last_coordinate, events.back()->value));
+ _events.push_back (new ControlEvent (last_coordinate, _events.back()->value));
} else {
/* more than 2 points: check to see if the last 2 values
last point. otherwise, add a new point.
*/
- iterator penultimate = events.end();
+ iterator penultimate = _events.end();
--penultimate; /* points at last point */
--penultimate; /* points at the penultimate point */
- if (events.back()->value == (*penultimate)->value) {
- events.back()->when = last_coordinate;
+ if (_events.back()->value == (*penultimate)->value) {
+ _events.back()->when = last_coordinate;
} else {
- events.push_back (point_factory (last_coordinate, events.back()->value));
+ _events.push_back (new ControlEvent (last_coordinate, _events.back()->value));
}
}
/* shortening end */
last_val = unlocked_eval (last_coordinate);
- last_val = max ((double) min_yval, last_val);
- last_val = min ((double) max_yval, last_val);
+ last_val = max ((double) _min_yval, last_val);
+ last_val = min ((double) _max_yval, last_val);
- i = events.rbegin();
+ i = _events.rbegin();
/* make i point to the last control point */
beyond the new last coordinate.
*/
- uint32_t sz = events.size();
+ uint32_t sz = _events.size();
- while (i != events.rend() && sz > 2) {
+ while (i != _events.rend() && sz > 2) {
list<ControlEvent*>::reverse_iterator tmp;
tmp = i;
break;
}
- events.erase (i.base());
+ _events.erase (i.base());
--sz;
i = tmp;
}
- events.back()->when = last_coordinate;
- events.back()->value = last_val;
+ _events.back()->when = last_coordinate;
+ _events.back()->value = last_val;
}
reposition_for_rt_add (0);
AutomationList::truncate_start (double overall_length)
{
{
- Glib::Mutex::Lock lm (lock);
- AutomationList::iterator i;
+ Glib::Mutex::Lock lm (_lock);
+ iterator i;
double first_legal_value;
double first_legal_coordinate;
- if (events.empty()) {
+ if (_events.empty()) {
fatal << _("programming error:")
<< "AutomationList::truncate_start() called on an empty list"
<< endmsg;
return;
}
- if (overall_length == events.back()->when) {
+ if (overall_length == _events.back()->when) {
/* no change in overall length */
return;
}
- if (overall_length > events.back()->when) {
+ if (overall_length > _events.back()->when) {
/* growing at front: duplicate first point. shift all others */
- double shift = overall_length - events.back()->when;
+ double shift = overall_length - _events.back()->when;
uint32_t np;
- for (np = 0, i = events.begin(); i != events.end(); ++i, ++np) {
+ for (np = 0, i = _events.begin(); i != _events.end(); ++i, ++np) {
(*i)->when += shift;
}
if (np < 2) {
/* less than 2 points: add a new point */
- events.push_front (point_factory (0, events.front()->value));
+ _events.push_front (new ControlEvent (0, _events.front()->value));
} else {
first point. otherwise, add a new point.
*/
- iterator second = events.begin();
+ iterator second = _events.begin();
++second; /* points at the second point */
- if (events.front()->value == (*second)->value) {
+ if (_events.front()->value == (*second)->value) {
/* first segment is flat, just move start point back to zero */
- events.front()->when = 0;
+ _events.front()->when = 0;
} else {
/* leave non-flat segment in place, add a new leading point. */
- events.push_front (point_factory (0, events.front()->value));
+ _events.push_front (new ControlEvent (0, _events.front()->value));
}
}
/* shrinking at front */
- first_legal_coordinate = events.back()->when - overall_length;
+ first_legal_coordinate = _events.back()->when - overall_length;
first_legal_value = unlocked_eval (first_legal_coordinate);
- first_legal_value = max (min_yval, first_legal_value);
- first_legal_value = min (max_yval, first_legal_value);
+ first_legal_value = max (_min_yval, first_legal_value);
+ first_legal_value = min (_max_yval, first_legal_value);
/* remove all events earlier than the new "front" */
- i = events.begin();
+ i = _events.begin();
- while (i != events.end() && !events.empty()) {
+ while (i != _events.end() && !_events.empty()) {
list<ControlEvent*>::iterator tmp;
tmp = i;
break;
}
- events.erase (i);
+ _events.erase (i);
i = tmp;
}
relative position
*/
- for (i = events.begin(); i != events.end(); ++i) {
+ for (i = _events.begin(); i != _events.end(); ++i) {
(*i)->when -= first_legal_coordinate;
}
/* add a new point for the interpolated new value */
- events.push_front (point_factory (0, first_legal_value));
+ _events.push_front (new ControlEvent (0, first_legal_value));
}
reposition_for_rt_add (0);
}
double
-AutomationList::unlocked_eval (double x)
+AutomationList::unlocked_eval (double x) const
{
- return shared_eval (x);
-}
-
-double
-AutomationList::shared_eval (double x)
-{
- pair<AutomationEventList::iterator,AutomationEventList::iterator> range;
+ pair<EventList::iterator,EventList::iterator> range;
int32_t npoints;
double lpos, upos;
double lval, uval;
double fraction;
- npoints = events.size();
+ npoints = _events.size();
switch (npoints) {
case 0:
- return default_value;
+ return _default_value;
case 1:
- if (x >= events.front()->when) {
- return events.front()->value;
+ if (x >= _events.front()->when) {
+ return _events.front()->value;
} else {
- // return default_value;
- return events.front()->value;
+ // return _default_value;
+ return _events.front()->value;
}
case 2:
- if (x >= events.back()->when) {
- return events.back()->value;
- } else if (x == events.front()->when) {
- return events.front()->value;
- } else if (x < events.front()->when) {
- // return default_value;
- return events.front()->value;
+ if (x >= _events.back()->when) {
+ return _events.back()->value;
+ } else if (x == _events.front()->when) {
+ return _events.front()->value;
+ } else if (x < _events.front()->when) {
+ // return _default_value;
+ return _events.front()->value;
}
- lpos = events.front()->when;
- lval = events.front()->value;
- upos = events.back()->when;
- uval = events.back()->value;
+ lpos = _events.front()->when;
+ lval = _events.front()->value;
+ upos = _events.back()->when;
+ uval = _events.back()->value;
+ if (_interpolation == Discrete)
+ return lval;
+
/* linear interpolation betweeen the two points
*/
default:
- if (x >= events.back()->when) {
- return events.back()->value;
- } else if (x == events.front()->when) {
- return events.front()->value;
- } else if (x < events.front()->when) {
- // return default_value;
- return events.front()->value;
+ if (x >= _events.back()->when) {
+ return _events.back()->value;
+ } else if (x == _events.front()->when) {
+ return _events.front()->value;
+ } else if (x < _events.front()->when) {
+ // return _default_value;
+ return _events.front()->value;
}
return multipoint_eval (x);
}
double
-AutomationList::multipoint_eval (double x)
+AutomationList::multipoint_eval (double x) const
{
- pair<AutomationList::iterator,AutomationList::iterator> range;
double upos, lpos;
double uval, lval;
double fraction;
+
+ /* "Stepped" lookup (no interpolation) */
+ /* FIXME: no cache. significant? */
+ if (_interpolation == Discrete) {
+ const ControlEvent cp (x, 0);
+ EventList::const_iterator i = lower_bound (_events.begin(), _events.end(), &cp, time_comparator);
+
+ // shouldn't have made it to multipoint_eval
+ assert(i != _events.end());
+
+ if (i == _events.begin() || (*i)->when == x)
+ return (*i)->value;
+ else
+ return (*(--i))->value;
+ }
- /* only do the range lookup if x is in a different range than last time
- this was called (or if the lookup cache has been marked "dirty" (left<0)
- */
-
- if ((lookup_cache.left < 0) ||
- ((lookup_cache.left > x) ||
- (lookup_cache.range.first == events.end()) ||
- ((*lookup_cache.range.second)->when < x))) {
+ /* Only do the range lookup if x is in a different range than last time
+ * this was called (or if the lookup cache has been marked "dirty" (left<0) */
+ if ((_lookup_cache.left < 0) ||
+ ((_lookup_cache.left > x) ||
+ (_lookup_cache.range.first == _events.end()) ||
+ ((*_lookup_cache.range.second)->when < x))) {
- ControlEvent cp (x, 0);
- TimeComparator cmp;
+ const ControlEvent cp (x, 0);
- lookup_cache.range = equal_range (events.begin(), events.end(), &cp, cmp);
+ _lookup_cache.range = equal_range (_events.begin(), _events.end(), &cp, time_comparator);
}
- range = lookup_cache.range;
+ pair<const_iterator,const_iterator> range = _lookup_cache.range;
if (range.first == range.second) {
/* x does not exist within the list as a control point */
- lookup_cache.left = x;
+ _lookup_cache.left = x;
- if (range.first != events.begin()) {
+ if (range.first != _events.begin()) {
--range.first;
lpos = (*range.first)->when;
lval = (*range.first)->value;
} else {
/* we're before the first point */
- // return default_value;
- return events.front()->value;
+ // return _default_value;
+ return _events.front()->value;
}
- if (range.second == events.end()) {
+ if (range.second == _events.end()) {
/* we're after the last point */
- return events.back()->value;
+ return _events.back()->value;
}
upos = (*range.second)->when;
}
/* x is a control point in the data */
- lookup_cache.left = -1;
+ _lookup_cache.left = -1;
return (*range.first)->value;
}
+void
+AutomationList::build_search_cache_if_necessary(double start, double end) const
+{
+ /* Only do the range lookup if x is in a different range than last time
+ * this was called (or if the search cache has been marked "dirty" (left<0) */
+ if ((_search_cache.left < 0) ||
+ ((_search_cache.left > start) ||
+ (_search_cache.right < end))) {
+
+ const ControlEvent start_point (start, 0);
+ const ControlEvent end_point (end, 0);
+
+ //cerr << "REBUILD: (" << _search_cache.left << ".." << _search_cache.right << ") := ("
+ // << start << ".." << end << ")" << endl;
+
+ _search_cache.range.first = lower_bound (_events.begin(), _events.end(), &start_point, time_comparator);
+ _search_cache.range.second = upper_bound (_events.begin(), _events.end(), &end_point, time_comparator);
+
+ _search_cache.left = start;
+ _search_cache.right = end;
+ }
+}
+
+/** Get the earliest event between \a start and \a end, using the current interpolation style.
+ *
+ * If an event is found, \a x and \a y are set to its coordinates.
+ *
+ * \param inclusive Include events with timestamp exactly equal to \a start
+ * \return true if event is found (and \a x and \a y are valid).
+ */
+bool
+AutomationList::rt_safe_earliest_event(double start, double end, double& x, double& y, bool inclusive) const
+{
+ // FIXME: It would be nice if this was unnecessary..
+ Glib::Mutex::Lock lm(_lock, Glib::TRY_LOCK);
+ if (!lm.locked()) {
+ return false;
+ }
+
+ return rt_safe_earliest_event_unlocked(start, end, x, y, inclusive);
+}
+
+
+/** Get the earliest event between \a start and \a end, using the current interpolation style.
+ *
+ * If an event is found, \a x and \a y are set to its coordinates.
+ *
+ * \param inclusive Include events with timestamp exactly equal to \a start
+ * \return true if event is found (and \a x and \a y are valid).
+ */
+bool
+AutomationList::rt_safe_earliest_event_unlocked(double start, double end, double& x, double& y, bool inclusive) const
+{
+ if (_interpolation == Discrete)
+ return rt_safe_earliest_event_discrete_unlocked(start, end, x, y, inclusive);
+ else
+ return rt_safe_earliest_event_linear_unlocked(start, end, x, y, inclusive);
+}
+
+
+/** Get the earliest event between \a start and \a end (Discrete (lack of) interpolation)
+ *
+ * If an event is found, \a x and \a y are set to its coordinates.
+ *
+ * \param inclusive Include events with timestamp exactly equal to \a start
+ * \return true if event is found (and \a x and \a y are valid).
+ */
+bool
+AutomationList::rt_safe_earliest_event_discrete_unlocked (double start, double end, double& x, double& y, bool inclusive) const
+{
+ build_search_cache_if_necessary(start, end);
+
+ const pair<const_iterator,const_iterator>& range = _search_cache.range;
+
+ if (range.first != _events.end()) {
+ const ControlEvent* const first = *range.first;
+
+ const bool past_start = (inclusive ? first->when >= start : first->when > start);
+
+ /* Earliest points is in range, return it */
+ if (past_start >= start && first->when < end) {
+
+ x = first->when;
+ y = first->value;
+
+ /* Move left of cache to this point
+ * (Optimize for immediate call this cycle within range) */
+ _search_cache.left = x;
+ ++_search_cache.range.first;
+
+ assert(x >= start);
+ assert(x < end);
+ return true;
+
+ } else {
+ return false;
+ }
+
+ /* No points in range */
+ } else {
+ return false;
+ }
+}
+
+/** Get the earliest time the line crosses an integer (Linear interpolation).
+ *
+ * If an event is found, \a x and \a y are set to its coordinates.
+ *
+ * \param inclusive Include events with timestamp exactly equal to \a start
+ * \return true if event is found (and \a x and \a y are valid).
+ */
+bool
+AutomationList::rt_safe_earliest_event_linear_unlocked (double start, double end, double& x, double& y, bool inclusive) const
+{
+ //cerr << "earliest_event(" << start << ", " << end << ", " << x << ", " << y << ", " << inclusive << endl;
+
+ if (_events.size() < 2)
+ return rt_safe_earliest_event_discrete_unlocked(start, end, x, y, inclusive);
+
+ // Hack to avoid infinitely repeating the same event
+ build_search_cache_if_necessary(start, end);
+
+ pair<const_iterator,const_iterator> range = _search_cache.range;
+
+ if (range.first != _events.end()) {
+
+ const ControlEvent* first = NULL;
+ const ControlEvent* next = NULL;
+
+ /* Step is after first */
+ if (range.first == _events.begin() || (*range.first)->when == start) {
+ first = *range.first;
+ next = *(++range.first);
+ ++_search_cache.range.first;
+
+ /* Step is before first */
+ } else {
+ const_iterator prev = range.first;
+ --prev;
+ first = *prev;
+ next = *range.first;
+ }
+
+ if (inclusive && first->when == start) {
+ x = first->when;
+ y = first->value;
+ /* Move left of cache to this point
+ * (Optimize for immediate call this cycle within range) */
+ _search_cache.left = x;
+ //++_search_cache.range.first;
+ return true;
+ }
+
+ if (abs(first->value - next->value) <= 1) {
+ if (next->when <= end && (!inclusive || next->when > start)) {
+ x = next->when;
+ y = next->value;
+ /* Move left of cache to this point
+ * (Optimize for immediate call this cycle within range) */
+ _search_cache.left = x;
+ //++_search_cache.range.first;
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ const double slope = (next->value - first->value) / (double)(next->when - first->when);
+ //cerr << "start y: " << start_y << endl;
+
+ //y = first->value + (slope * fabs(start - first->when));
+ y = first->value;
+
+ if (first->value < next->value) // ramping up
+ y = ceil(y);
+ else // ramping down
+ y = floor(y);
+
+ x = first->when + (y - first->value) / (double)slope;
+
+ while ((inclusive && x < start) || x <= start && y != next->value) {
+
+ if (first->value < next->value) // ramping up
+ y += 1.0;
+ else // ramping down
+ y -= 1.0;
+
+ x = first->when + (y - first->value) / (double)slope;
+ }
+
+ /*cerr << first->value << " @ " << first->when << " ... "
+ << next->value << " @ " << next->when
+ << " = " << y << " @ " << x << endl;*/
+
+ assert( (y >= first->value && y <= next->value)
+ || (y <= first->value && y >= next->value) );
+
+
+ const bool past_start = (inclusive ? x >= start : x > start);
+ if (past_start && x < end) {
+ /* Move left of cache to this point
+ * (Optimize for immediate call this cycle within range) */
+ _search_cache.left = x;
+
+ return true;
+
+ } else {
+ return false;
+ }
+
+ /* No points in the future, so no steps (towards them) in the future */
+ } else {
+ return false;
+ }
+}
+
AutomationList*
AutomationList::cut (iterator start, iterator end)
{
- AutomationList* nal = new AutomationList (default_value);
+ AutomationList* nal = new AutomationList (_parameter, _min_yval, _max_yval, _default_value);
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
for (iterator x = start; x != end; ) {
iterator tmp;
tmp = x;
++tmp;
- nal->events.push_back (point_factory (**x));
- events.erase (x);
+ nal->_events.push_back (new ControlEvent (**x));
+ _events.erase (x);
reposition_for_rt_add (0);
AutomationList*
AutomationList::cut_copy_clear (double start, double end, int op)
{
- AutomationList* nal = new AutomationList (default_value);
+ AutomationList* nal = new AutomationList (_parameter, _min_yval, _max_yval, _default_value);
iterator s, e;
ControlEvent cp (start, 0.0);
- TimeComparator cmp;
bool changed = false;
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
- if ((s = lower_bound (events.begin(), events.end(), &cp, cmp)) == events.end()) {
+ if ((s = lower_bound (_events.begin(), _events.end(), &cp, time_comparator)) == _events.end()) {
return nal;
}
cp.when = end;
- e = upper_bound (events.begin(), events.end(), &cp, cmp);
+ e = upper_bound (_events.begin(), _events.end(), &cp, time_comparator);
if (op != 2 && (*s)->when != start) {
- nal->events.push_back (point_factory (0, unlocked_eval (start)));
+ nal->_events.push_back (new ControlEvent (0, unlocked_eval (start)));
}
for (iterator x = s; x != e; ) {
*/
if (op != 2) {
- nal->events.push_back (point_factory ((*x)->when - start, (*x)->value));
+ nal->_events.push_back (new ControlEvent ((*x)->when - start, (*x)->value));
}
if (op != 1) {
- events.erase (x);
+ _events.erase (x);
}
x = tmp;
}
- if (op != 2 && nal->events.back()->when != end - start) {
- nal->events.push_back (point_factory (end - start, unlocked_eval (end)));
+ if (op != 2 && nal->_events.back()->when != end - start) {
+ nal->_events.push_back (new ControlEvent (end - start, unlocked_eval (end)));
}
if (changed) {
reposition_for_rt_add (0);
- if (!no_state) {
- save_state (_("cut/copy/clear"));
- }
}
mark_dirty ();
AutomationList*
AutomationList::copy (iterator start, iterator end)
{
- AutomationList* nal = new AutomationList (default_value);
+ AutomationList* nal = new AutomationList (_parameter, _min_yval, _max_yval, _default_value);
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
for (iterator x = start; x != end; ) {
iterator tmp;
tmp = x;
++tmp;
- nal->events.push_back (point_factory (**x));
+ nal->_events.push_back (new ControlEvent (**x));
x = tmp;
}
-
- if (!no_state) {
- save_state (_("copy"));
- }
}
return nal;
bool
AutomationList::paste (AutomationList& alist, double pos, float times)
{
- if (alist.events.empty()) {
+ if (alist._events.empty()) {
return false;
}
{
- Glib::Mutex::Lock lm (lock);
+ Glib::Mutex::Lock lm (_lock);
iterator where;
iterator prev;
double end = 0;
ControlEvent cp (pos, 0.0);
- TimeComparator cmp;
- where = upper_bound (events.begin(), events.end(), &cp, cmp);
+ where = upper_bound (_events.begin(), _events.end(), &cp, time_comparator);
for (iterator i = alist.begin();i != alist.end(); ++i) {
- events.insert (where, point_factory( (*i)->when+pos,( *i)->value));
+ _events.insert (where, new ControlEvent( (*i)->when+pos,( *i)->value));
end = (*i)->when + pos;
}
the correct amount.
*/
- while (where != events.end()) {
+ while (where != _events.end()) {
iterator tmp;
if ((*where)->when <= end) {
tmp = where;
++tmp;
- events.erase(where);
+ _events.erase(where);
where = tmp;
} else {
}
reposition_for_rt_add (0);
-
- if (!no_state) {
- save_state (_("paste"));
- }
-
mark_dirty ();
}
return true;
}
-ControlEvent*
-AutomationList::point_factory (double when, double val) const
+XMLNode&
+AutomationList::get_state ()
{
- return new ControlEvent (when, val);
+ return state (true);
}
-ControlEvent*
-AutomationList::point_factory (const ControlEvent& other) const
+XMLNode&
+AutomationList::state (bool full)
{
- return new ControlEvent (other);
+ XMLNode* root = new XMLNode (X_("AutomationList"));
+ char buf[64];
+ LocaleGuard lg (X_("POSIX"));
+
+ root->add_property ("automation-id", _parameter.to_string());
+
+ 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);
+
+ root->add_property ("interpolation-style", enum_2_string (_interpolation));
+
+ 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()) {
+ root->add_child_nocopy (serialize_events());
+ }
+
+ return *root;
}
-void
-AutomationList::store_state (XMLNode& node) const
+XMLNode&
+AutomationList::serialize_events ()
{
- LocaleGuard lg (X_("POSIX"));
+ 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';
+ }
- for (const_iterator i = const_begin(); i != const_end(); ++i) {
- char buf[64];
-
- XMLNode *pointnode = new XMLNode ("point");
-
- snprintf (buf, sizeof (buf), "%" PRIu32, (jack_nframes_t) floor ((*i)->when));
- pointnode->add_property ("x", buf);
- snprintf (buf, sizeof (buf), "%f", (*i)->value);
- pointnode->add_property ("y", buf);
+ /* XML is a bit wierd */
- node.add_child_nocopy (*pointnode);
- }
+ 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;
}
-void
-AutomationList::load_state (const XMLNode& node)
+int
+AutomationList::deserialize_events (const XMLNode& node)
{
- const XMLNodeList& elist = node.children();
- XMLNodeConstIterator i;
- XMLProperty* prop;
- jack_nframes_t x;
- double y;
+ if (node.children().empty()) {
+ return -1;
+ }
+
+ XMLNode* content_node = node.children().front();
+
+ if (content_node->content().empty()) {
+ return -1;
+ }
+ 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;
+ 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;
}
- x = atoi (prop->value().c_str());
+ 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 ();
+ }
+
+ 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;
+ nframes_t x;
+ double y;
+
+ freeze ();
+ clear ();
- if ((prop = (*i)->property ("y")) == 0) {
- error << _("automation list: no y-coordinate stored for control point (point ignored)") << endmsg;
- continue;
+ 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;
+ }
+ 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;
+ }
+ y = atof (prop->value().c_str());
+
+ fast_simple_add (x, y);
}
- y = atof (prop->value().c_str());
- add (x, y);
+ 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_("automation-id"))) != 0){
+ _parameter = Parameter(prop->value());
+ } else {
+ warning << "Legacy session: automation list has no automation-id property.";
+ }
+
+ if ((prop = node.property (X_("interpolation-style"))) != 0) {
+ _interpolation = (InterpolationStyle)string_2_enum(prop->value(), _interpolation);
+ } else {
+ _interpolation = Linear;
+ }
+
+ if ((prop = node.property (X_("default"))) != 0){
+ _default_value = atof (prop->value().c_str());
+ } 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 ().c_str());
+ } else {
+ _min_yval = FLT_MIN;
+ }
+
+ if ((prop = node.property (X_("max_yval"))) != 0) {
+ _max_yval = atof (prop->value ().c_str());
+ } else {
+ _max_yval = FLT_MAX;
+ }
+
+ if ((prop = node.property (X_("max_xval"))) != 0) {
+ _max_xval = atof (prop->value ().c_str());
+ } else {
+ _max_xval = 0; // means "no limit ;
+ }
+
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ if ((*niter)->name() == X_("events")) {
+ deserialize_events (*(*niter));
+ }
+ }
+
+ return 0;
}
+