Remove all use of nframes_t.
[ardour.git] / libs / ardour / midi_source.cc
index 3f831b348dd6deff61255d5d76ce594a8a9c42f6..120ee29e8eff58a536cf2401f9dae4444bafcf7e 100644 (file)
@@ -97,6 +97,18 @@ MidiSource::get_state ()
                node.add_property ("captured-for", _captured_for);
        }
 
+       for (InterpolationStyleMap::const_iterator i = _interpolation_style.begin(); i != _interpolation_style.end(); ++i) {
+               XMLNode* child = node.add_child (X_("InterpolationStyle"));
+               child->add_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first));
+               child->add_property (X_("style"), enum_2_string (i->second));
+       }
+
+       for (AutomationStateMap::const_iterator i = _automation_state.begin(); i != _automation_state.end(); ++i) {
+               XMLNode* child = node.add_child (X_("AutomationState"));
+               child->add_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first));
+               child->add_property (X_("state"), enum_2_string (i->second));
+       }
+
        return node;
 }
 
@@ -109,6 +121,47 @@ MidiSource::set_state (const XMLNode& node, int /*version*/)
                _captured_for = prop->value();
        }
 
+       XMLNodeList children = node.children ();
+       for (XMLNodeConstIterator i = children.begin(); i != children.end(); ++i) {
+               if ((*i)->name() == X_("InterpolationStyle")) {
+                       XMLProperty* prop;
+
+                       if ((prop = (*i)->property (X_("parameter"))) == 0) {
+                               error << _("Missing parameter property on InterpolationStyle") << endmsg;
+                               return -1;
+                       }
+                       
+                       Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value());
+
+                       if ((prop = (*i)->property (X_("style"))) == 0) {
+                               error << _("Missing style property on InterpolationStyle") << endmsg;
+                               return -1;
+                       }
+
+                       Evoral::ControlList::InterpolationStyle s = static_cast<Evoral::ControlList::InterpolationStyle> (string_2_enum (prop->value(), s));
+                       set_interpolation_of (p, s);
+                       
+               } else if ((*i)->name() == X_("AutomationState")) {
+                       
+                       XMLProperty* prop;
+
+                       if ((prop = (*i)->property (X_("parameter"))) == 0) {
+                               error << _("Missing parameter property on AutomationState") << endmsg;
+                               return -1;
+                       }
+                       
+                       Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value());
+
+                       if ((prop = (*i)->property (X_("state"))) == 0) {
+                               error << _("Missing state property on AutomationState") << endmsg;
+                               return -1;
+                       }
+
+                       AutoState s = static_cast<AutoState> (string_2_enum (prop->value(), s));
+                       set_automation_state_of (p, s);
+               }
+       }
+
        return 0;
 }
 
@@ -130,7 +183,7 @@ MidiSource::length (framepos_t pos) const
 }
 
 void
-MidiSource::update_length (sframes_t /*pos*/, sframes_t /*cnt*/)
+MidiSource::update_length (framepos_t /*pos*/, framecnt_t /*cnt*/)
 {
        // You're not the boss of me!
 }
@@ -143,10 +196,9 @@ MidiSource::invalidate ()
 }
 
 /** @param filtered A set of parameters whose MIDI messages will not be returned */
-nframes_t
-MidiSource::midi_read (Evoral::EventSink<nframes_t>& dst, sframes_t source_start,
-                       sframes_t start, nframes_t cnt,
-                       sframes_t stamp_offset, sframes_t negative_stamp_offset,
+framecnt_t
+MidiSource::midi_read (Evoral::EventSink<framepos_t>& dst, framepos_t source_start,
+                       framepos_t start, framecnt_t cnt,
                        MidiStateTracker* tracker,
                       std::set<Evoral::Parameter> const & filtered) const
 {
@@ -160,7 +212,7 @@ MidiSource::midi_read (Evoral::EventSink<nframes_t>& dst, sframes_t source_start
                // If the cached iterator is invalid, search for the first event past start
                if (_last_read_end == 0 || start != _last_read_end || !_model_iter_valid) {
                        DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("*** %1 search for relevant iterator for %1 / %2\n", _name, source_start, start));
-                       for (i = _model->begin(0, filtered); i != _model->end(); ++i) {
+                       for (i = _model->begin(0, false, filtered); i != _model->end(); ++i) {
                                if (converter.to(i->time()) >= start) {
                                        break;
                                }
@@ -174,14 +226,15 @@ MidiSource::midi_read (Evoral::EventSink<nframes_t>& dst, sframes_t source_start
 
                // Read events up to end
                for (; i != _model->end(); ++i) {
-                       const sframes_t time_frames = converter.to(i->time());
+                       const framecnt_t time_frames = converter.to(i->time());
                        if (time_frames < start + cnt) {
-                               dst.write(time_frames + stamp_offset - negative_stamp_offset,
-                                               i->event_type(), i->size(), i->buffer());
+                               /* convert event times to session frames by adding on the source start position in session frames */
+                               dst.write (time_frames + source_start, i->event_type(), i->size(), i->buffer());
+
                                if (tracker) {
                                        Evoral::MIDIEvent<Evoral::MusicalTime>& ev (*(Evoral::MIDIEvent<Evoral::MusicalTime>*) (&(*i)));
                                        if (ev.is_note_on()) {
-                                               DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note on %2 @ %3\n", _name, ev.note(), time_frames));
+                                               DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note on %2 @ %3 velocity %4\n", _name, ev.note(), time_frames, (int) ev.velocity()));
                                                tracker->add (ev.note(), ev.channel());
                                        } else if (ev.is_note_off()) {
                                                DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note off %2 @ %3\n", _name, ev.note(), time_frames));
@@ -194,21 +247,25 @@ MidiSource::midi_read (Evoral::EventSink<nframes_t>& dst, sframes_t source_start
                }
                return cnt;
        } else {
-               return read_unlocked (dst, source_start, start, cnt, stamp_offset, negative_stamp_offset, tracker);
+               return read_unlocked (dst, source_start, start, cnt, tracker);
        }
 }
 
-nframes_t
-MidiSource::midi_write (MidiRingBuffer<nframes_t>& source, sframes_t source_start, nframes_t duration)
+/** Write data from a MidiRingBuffer to this source.
+ *  @param source Source to read from.
+ *  @param source_start This source's start position in session frames.
+ */
+framecnt_t
+MidiSource::midi_write (MidiRingBuffer<framepos_t>& source, framepos_t source_start, framecnt_t duration)
 {
        Glib::Mutex::Lock lm (_lock);
-       const nframes_t ret = write_unlocked (source, source_start, duration);
+       const framecnt_t ret = write_unlocked (source, source_start, duration);
        _last_write_end += duration;
        return ret;
 }
 
 void
-MidiSource::mark_streaming_midi_write_started (NoteMode mode, sframes_t start_frame)
+MidiSource::mark_streaming_midi_write_started (NoteMode mode, framepos_t start_frame)
 {
        set_timeline_position(start_frame);
 
@@ -257,9 +314,11 @@ MidiSource::clone (Evoral::MusicalTime begin, Evoral::MusicalTime end)
         
         boost::shared_ptr<MidiSource> newsrc = boost::dynamic_pointer_cast<MidiSource>(
                 SourceFactory::createWritable(DataType::MIDI, _session,
-                                              newpath, false, _session.frame_rate()));
-        
+                                              newpath, string(), false, _session.frame_rate()));
+
         newsrc->set_timeline_position(_timeline_position);
+       newsrc->copy_interpolation_from (this);
+       newsrc->copy_automation_state_from (this);
 
         if (_model) {
                 if (begin == Evoral::MinMusicalTime && end == Evoral::MaxMusicalTime) {
@@ -292,19 +351,11 @@ MidiSource::session_saved()
            XXX do we need to do this every time?
         */
 
-       flush_midi();
-
        if (_model && _model->edited()) {
-#if 0 // old style: clone the source if necessary on every session save
-      // and switch to the new source
-               boost::shared_ptr<MidiSource> newsrc = clone ();
 
-                if (newsrc) {
-                        _model->set_midi_source (newsrc);
-                        Switched (newsrc); /* EMIT SIGNAL */
-                }
-#else
-                // new style: if the model is edited, write its contents into
+
+
+                // if the model is edited, write its contents into
                 // the current source file (overwiting previous contents.
 
                 /* temporarily drop our reference to the model so that
@@ -314,13 +365,19 @@ MidiSource::session_saved()
 
                 boost::shared_ptr<MidiModel> mm = _model ;
                 _model.reset ();   
+
+                /* flush model contents to disk
+                 */
+
                 mm->sync_to_source ();
+
+                /* reacquire model */
+
                 _model = mm;
-                /* data is in the file now, its not removable */
-#endif
-        }
 
-        cerr << name() << " @ " << this << " length at save = " << _length_beats << endl;
+        } else {
+                flush_midi();
+        }
 }
 
 void
@@ -344,3 +401,95 @@ MidiSource::set_model (boost::shared_ptr<MidiModel> m)
        _model = m;
        ModelChanged (); /* EMIT SIGNAL */
 }
+
+/** @return Interpolation style that should be used for control parameter \a p */
+Evoral::ControlList::InterpolationStyle
+MidiSource::interpolation_of (Evoral::Parameter p) const
+{
+       InterpolationStyleMap::const_iterator i = _interpolation_style.find (p);
+       if (i == _interpolation_style.end()) {
+               return EventTypeMap::instance().interpolation_of (p);
+       }
+
+       return i->second;
+}
+
+AutoState
+MidiSource::automation_state_of (Evoral::Parameter p) const
+{
+       AutomationStateMap::const_iterator i = _automation_state.find (p);
+       if (i == _automation_state.end()) {
+               /* default to `play', otherwise if MIDI is recorded /
+                  imported with controllers etc. they are by default
+                  not played back, which is a little surprising.
+               */
+               return Play;
+       }
+
+       return i->second;
+}
+
+/** Set interpolation style to be used for a given parameter.  This change will be
+ *  propagated to anyone who needs to know.
+ */
+void
+MidiSource::set_interpolation_of (Evoral::Parameter p, Evoral::ControlList::InterpolationStyle s)
+{
+       if (interpolation_of (p) == s) {
+               return;
+       }
+       
+       if (EventTypeMap::instance().interpolation_of (p) == s) {
+               /* interpolation type is being set to the default, so we don't need a note in our map */
+               _interpolation_style.erase (p);
+       } else {
+               _interpolation_style[p] = s;
+       }
+
+       InterpolationChanged (p, s); /* EMIT SIGNAL */
+}
+
+void
+MidiSource::set_automation_state_of (Evoral::Parameter p, AutoState s)
+{
+       if (automation_state_of (p) == s) {
+               return;
+       }
+       
+       if (s == Play) {
+               /* automation state is being set to the default, so we don't need a note in our map */
+               _automation_state.erase (p);
+       } else {
+               _automation_state[p] = s;
+       }
+
+       AutomationStateChanged (p, s); /* EMIT SIGNAL */
+}
+
+void
+MidiSource::copy_interpolation_from (boost::shared_ptr<MidiSource> s)
+{
+       copy_interpolation_from (s.get ());
+}
+
+void
+MidiSource::copy_automation_state_from (boost::shared_ptr<MidiSource> s)
+{
+       copy_automation_state_from (s.get ());
+}
+
+void
+MidiSource::copy_interpolation_from (MidiSource* s)
+{
+       _interpolation_style = s->_interpolation_style;
+
+       /* XXX: should probably emit signals here */
+}
+
+void
+MidiSource::copy_automation_state_from (MidiSource* s)
+{
+       _automation_state = s->_automation_state;
+
+       /* XXX: should probably emit signals here */
+}