From a6401763a31dca2ad4898e0917e972444a6eb01c Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sat, 1 Apr 2023 17:21:04 +0200
Subject: [PATCH] Fix interpolation when iterating over sequence (#9288)

When a control-point is exactly at tick (N * 8), iterating
over the List (Sequence<Time>::const_iterator::operator++)
skipped the point.

Sequence::time_between_interpolated_controller_outputs == 8.
---
 libs/evoral/ControlList.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/evoral/ControlList.cc b/libs/evoral/ControlList.cc
index 861165a2db..7ee94ab7b2 100644
--- a/libs/evoral/ControlList.cc
+++ b/libs/evoral/ControlList.cc
@@ -1704,7 +1704,7 @@ ControlList::rt_safe_earliest_event_linear_unlocked (Temporal::timepos_t const&
 		build_search_cache_if_necessary (start);
 		const ControlEvent* first = *_search_cache.first;
 		if (_search_cache.first != _events.end ()) {
-			if (((first->when > start) || (inclusive && first->when == start)) && first->when < start + min_x_delta) {
+			if (((first->when > start) || (inclusive && first->when == start)) && ((first->when < start + min_x_delta) || (!inclusive && first->when == start + min_x_delta))) {
 				x = first->when;
 				y = first->value;
 				/* Move left of cache to this point