From 9885f04fe6e69bce59271aaa98998b7331153bc0 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 21 Jul 2017 14:29:35 -0400
Subject: tweaks to disk io point mechanisms

---
 libs/ardour/ardour/track.h |  1 +
 libs/ardour/disk_io.cc     |  2 ++
 libs/ardour/disk_reader.cc |  1 +
 libs/ardour/track.cc       | 44 +++++++++++++++++++++++++++++++++++---------
 4 files changed, 39 insertions(+), 9 deletions(-)

(limited to 'libs/ardour')

diff --git a/libs/ardour/ardour/track.h b/libs/ardour/ardour/track.h
index 1bd65a984c..d14ccdc938 100644
--- a/libs/ardour/ardour/track.h
+++ b/libs/ardour/ardour/track.h
@@ -186,6 +186,7 @@ class LIBARDOUR_API Track : public Route, public Recordable
 	void adjust_capture_buffering ();
 
 	void set_disk_io_position (DiskIOPoint);
+	DiskIOPoint disk_io_point() const { return _disk_io_point; }
 
 	PBD::Signal0<void> FreezeChange;
 	PBD::Signal0<void> PlaylistChanged;
diff --git a/libs/ardour/disk_io.cc b/libs/ardour/disk_io.cc
index 64c645bdc3..2411f18bd3 100644
--- a/libs/ardour/disk_io.cc
+++ b/libs/ardour/disk_io.cc
@@ -65,6 +65,7 @@ DiskIOProcessor::DiskIOProcessor (Session& s, string const & str, Flag f)
 	, _frames_read_from_ringbuffer (0)
 {
 	midi_interpolation.add_channel_to (0,0);
+	set_display_to_user (false);
 }
 
 void
@@ -428,3 +429,4 @@ DiskIOProcessor::get_location_times(const Location* location,
 		*length = *end - *start;
 	}
 }
+
diff --git a/libs/ardour/disk_reader.cc b/libs/ardour/disk_reader.cc
index c7221ad90f..0994b4c03d 100644
--- a/libs/ardour/disk_reader.cc
+++ b/libs/ardour/disk_reader.cc
@@ -1479,3 +1479,4 @@ DiskReader::set_no_disk_output (bool yn)
 	*/
 	no_disk_output = yn;
 }
+
diff --git a/libs/ardour/track.cc b/libs/ardour/track.cc
index 481da6f22c..72948b4a98 100644
--- a/libs/ardour/track.cc
+++ b/libs/ardour/track.cc
@@ -1522,25 +1522,51 @@ Track::use_captured_audio_sources (SourceList& srcs, CaptureInfos const & captur
 __attribute__((annotate("realtime")))
 #endif
 void
-Track::setup_invisible_processors_oh_children_of_mine (ProcessorList& new_processors)
+Track::setup_invisible_processors_oh_children_of_mine (ProcessorList& processors)
 {
 	ProcessorList::iterator insert_pos;
 
 	switch (_disk_io_point) {
 	case DiskIOPreFader:
-		insert_pos = find (new_processors.begin(), new_processors.end(), _trim);
-		if (insert_pos != new_processors.end()) {
-			insert_pos = new_processors.insert (insert_pos, _disk_writer);
-			new_processors.insert (insert_pos, _disk_reader);
+		insert_pos = find (processors.begin(), processors.end(), _trim);
+		if (insert_pos != processors.end()) {
+			insert_pos = processors.insert (insert_pos, _disk_writer);
+			processors.insert (insert_pos, _disk_reader);
 		}
 		break;
 	case DiskIOPostFader:
-		insert_pos = find (new_processors.begin(), new_processors.end(), _main_outs);
-		if (insert_pos != new_processors.end()) {
-			insert_pos = new_processors.insert (insert_pos, _disk_writer);
-			new_processors.insert (insert_pos, _disk_reader);
+		insert_pos = find (processors.begin(), processors.end(), _main_outs);
+		if (insert_pos != processors.end()) {
+			insert_pos = processors.insert (insert_pos, _disk_writer);
+			processors.insert (insert_pos, _disk_reader);
 		}
 	case DiskIOCustom:
 		break;
 	}
 }
+
+void
+Track::set_disk_io_position (DiskIOPoint diop)
+{
+	bool display = false;
+
+	switch (diop) {
+	case DiskIOCustom:
+		display = true;
+		break;
+	default:
+		display = false;
+	}
+
+	_disk_writer->set_display_to_user (display);
+	_disk_reader->set_display_to_user (display);
+
+	const bool changed = (diop != _disk_io_point);
+
+	_disk_io_point = diop;
+
+	if (changed) {
+		Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
+		configure_processors (0);
+	}
+}
-- 
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