From 8bf529bb24c03ebdce884cf9a4288812bb9b2cd5 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 20 Mar 2017 02:50:00 +0100
Subject: Fix value buffer update

---
 src/server/Buffer.cpp    | 16 +++++++++++-----
 src/server/InputPort.cpp | 13 ++++++++-----
 src/server/PortImpl.cpp  |  1 -
 3 files changed, 19 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/server/Buffer.cpp b/src/server/Buffer.cpp
index 7af3d47e..fb7efa85 100644
--- a/src/server/Buffer.cpp
+++ b/src/server/Buffer.cpp
@@ -421,15 +421,21 @@ Buffer::update_value_buffer(SampleCount offset)
 		return;
 	}
 
-	LV2_Atom_Sequence* seq = get<LV2_Atom_Sequence>();
+	LV2_Atom_Sequence* seq    = get<LV2_Atom_Sequence>();
+	LV2_Atom_Event*    latest = NULL;
 	LV2_ATOM_SEQUENCE_FOREACH(seq, ev) {
-		if (ev->time.frames <= offset && ev->body.type == _value_type) {
-			memcpy(_value_buffer->get<LV2_Atom>(),
-			       &ev->body,
-			       lv2_atom_total_size(&ev->body));
+		if (ev->time.frames > offset) {
 			break;
+		} else if (ev->body.type == _value_type) {
+			latest = ev;
 		}
 	}
+
+	if (latest) {
+		memcpy(_value_buffer->get<LV2_Atom>(),
+		       &latest->body,
+		       lv2_atom_total_size(&latest->body));
+	}
 }
 
 #ifndef NDEBUG
diff --git a/src/server/InputPort.cpp b/src/server/InputPort.cpp
index 6e72f6f6..fe613f31 100644
--- a/src/server/InputPort.cpp
+++ b/src/server/InputPort.cpp
@@ -217,12 +217,15 @@ SampleCount
 InputPort::next_value_offset(SampleCount offset, SampleCount end) const
 {
 	SampleCount earliest = end;
+
+	if (_user_buffer) {
+		earliest = _user_buffer->next_value_offset(offset, end);
+	}
+
 	for (const auto& arc : _arcs) {
-		if (arc.tail()->type() != this->type()) {
-			const SampleCount o = arc.tail()->next_value_offset(offset, end);
-			if (o < earliest) {
-				earliest = o;
-			}
+		const SampleCount o = arc.tail()->next_value_offset(offset, end);
+		if (o < earliest) {
+			earliest = o;
 		}
 	}
 
diff --git a/src/server/PortImpl.cpp b/src/server/PortImpl.cpp
index ec54e9bd..066ac005 100644
--- a/src/server/PortImpl.cpp
+++ b/src/server/PortImpl.cpp
@@ -555,7 +555,6 @@ PortImpl::post_process(RunContext& context)
 {
 	for (uint32_t v = 0; v < _poly; ++v) {
 		update_set_state(context, v);
-		update_values(0, v);
 	}
 
 	monitor(context);
-- 
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