X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_stretch.cc;h=71ffcc21e111319f34f747a5c09b9eeeecd5579d;hb=dd07428c48bb4df60b9d0c6c3cd524279ab4e524;hp=88aa436b03c7e8c1d7654a015c51be1a819e2dbb;hpb=166ef64e3db4ab72b7b1e7455234e2b9ceddf6d8;p=ardour.git

diff --git a/libs/ardour/midi_stretch.cc b/libs/ardour/midi_stretch.cc
index 88aa436b03..71ffcc21e1 100644
--- a/libs/ardour/midi_stretch.cc
+++ b/libs/ardour/midi_stretch.cc
@@ -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
@@ -18,12 +18,13 @@
 
 */
 
-#include <pbd/error.h>
+#include "pbd/error.h"
 
-#include <ardour/types.h>
-#include <ardour/midi_stretch.h>
-#include <ardour/session.h>
-#include <ardour/midi_region.h>
+#include "ardour/midi_model.h"
+#include "ardour/midi_region.h"
+#include "ardour/midi_source.h"
+#include "ardour/midi_stretch.h"
+#include "ardour/types.h"
 
 #include "i18n.h"
 
@@ -31,7 +32,7 @@ using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
-MidiStretch::MidiStretch (Session& s, TimeFXRequest& req)
+MidiStretch::MidiStretch (Session& s, const TimeFXRequest& req)
 	: Filter (s)
 	, _request (req)
 {
@@ -42,21 +43,22 @@ MidiStretch::~MidiStretch ()
 }
 
 int
-MidiStretch::run (boost::shared_ptr<Region> r)
+MidiStretch::run (boost::shared_ptr<Region> r, Progress*)
 {
 	SourceList nsrcs;
 	char suffix[32];
 
 	boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(r);
-	if (!region)
+	if (!region) {
 		return -1;
+	}
 
 	/* 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 ('@');
 
@@ -67,42 +69,53 @@ 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();
+	{
+		Source::Lock lock(src->mutex());
+		src->load_model(lock);
+	}
 
 	boost::shared_ptr<MidiModel> old_model = src->model();
 
 	boost::shared_ptr<MidiSource> new_src = boost::dynamic_pointer_cast<MidiSource>(nsrcs[0]);
-	assert(new_src);
+	if (!new_src) {
+		error << _("MIDI stretch created non-MIDI source") << endmsg;
+		return -1;
+	}
+
+	Glib::Threads::Mutex::Lock sl (new_src->mutex ());
 
+	new_src->load_model(sl, 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 (MidiModel::TimeType(), true);
 			i != old_model->end(); ++i) {
-		const double new_time = i->time() * _request.time_fraction;
-		
+		const MidiModel::TimeType new_time = i->time() * (double)_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::Beats>::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;
 }