restore ability to create TOC and CUE files during export. this is an option in a...
[ardour.git] / libs / ardour / midi_stretch.cc
index 6fd67d05d272cfdaf7083ca533fdf1b6d75199cd..7a4164427a24ba0f7e7a0a530acc9cb41c1ef04c 100644 (file)
@@ -1,6 +1,6 @@
 /*
-    Copyright (C) 2008 Paul Davis 
-    Author:  Dave Robillard
+    Copyright (C) 2008 Paul Davis
+    Author: David Robillard
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 
 #include "pbd/error.h"
 
-#include "ardour/types.h"
+#include "ardour/midi_model.h"
+#include "ardour/midi_region.h"
+#include "ardour/midi_source.h"
 #include "ardour/midi_stretch.h"
 #include "ardour/session.h"
-#include "ardour/midi_region.h"
+#include "ardour/types.h"
 
 #include "i18n.h"
 
@@ -42,7 +44,7 @@ MidiStretch::~MidiStretch ()
 }
 
 int
-MidiStretch::run (boost::shared_ptr<Region> r)
+MidiStretch::run (boost::shared_ptr<Region> r, Progress*)
 {
        SourceList nsrcs;
        char suffix[32];
@@ -54,9 +56,9 @@ MidiStretch::run (boost::shared_ptr<Region> r)
        /* the name doesn't need to be super-precise, but allow for 2 fractional
           digits just to disambiguate close but not identical stretches.
        */
-       
+
        snprintf (suffix, sizeof (suffix), "@%d", (int) floor (_request.time_fraction * 100.0f));
-       
+
        string new_name = region->name();
        string::size_type at = new_name.find ('@');
 
@@ -67,15 +69,15 @@ MidiStretch::run (boost::shared_ptr<Region> r)
        }
 
        new_name += suffix;
-       
+
        /* create new sources */
-       
+
        if (make_new_sources (region, nsrcs, suffix))
                return -1;
 
        // FIXME: how to make a whole file region if it isn't?
        //assert(region->whole_file());
-       
+
        boost::shared_ptr<MidiSource> src = region->midi_source(0);
        src->load_model();
 
@@ -84,25 +86,33 @@ MidiStretch::run (boost::shared_ptr<Region> r)
        boost::shared_ptr<MidiSource> new_src = boost::dynamic_pointer_cast<MidiSource>(nsrcs[0]);
        assert(new_src);
 
+       Glib::Mutex::Lock sl (new_src->mutex ());
+
+       new_src->load_model(false, true);
        boost::shared_ptr<MidiModel> new_model = new_src->model();
        new_model->start_write();
-       
-       for (Evoral::Sequence<MidiModel::TimeType>::const_iterator i = old_model->begin();
+
+       /* Note: pass true into force_discrete for the begin() iterator so that the model doesn't
+        * do interpolation of controller data when we stretch.
+        */
+       for (Evoral::Sequence<MidiModel::TimeType>::const_iterator i = old_model->begin (0, true);
                        i != old_model->end(); ++i) {
                const double new_time = i->time() * _request.time_fraction;
-               
+
                // FIXME: double copy
                Evoral::Event<MidiModel::TimeType> ev(*i, true);
-               ev.time() = new_time;
-               new_model->append(ev);
+               ev.set_time(new_time);
+               new_model->append(ev, Evoral::next_event_id());
        }
 
-       new_model->end_write();
-       new_model->set_edited(true);
-       
+       new_model->end_write (Evoral::Sequence<Evoral::MusicalTime>::DeleteStuckNotes);
+       new_model->set_edited (true);
+
+       new_src->copy_interpolation_from (src);
+
        const int ret = finish (region, nsrcs, new_name);
-       
-       results[0]->set_length((nframes_t) floor (r->length() * _request.time_fraction), NULL);
+
+       results[0]->set_length((framecnt_t) floor (r->length() * _request.time_fraction));
 
        return ret;
 }