From 09f480ccb39256632fd9de0ed81a9bb55baedcd2 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Thu, 25 May 2023 20:05:54 +0200
Subject: [PATCH] audioconvert: fix monitor port latency

The monitor port latency is the reverse direction of the input ports.
---
 spa/plugins/audioconvert/audioconvert.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/spa/plugins/audioconvert/audioconvert.c b/spa/plugins/audioconvert/audioconvert.c
index 293126be9..252740d0a 100644
--- a/spa/plugins/audioconvert/audioconvert.c
+++ b/spa/plugins/audioconvert/audioconvert.c
@@ -2026,8 +2026,13 @@ impl_node_port_enum_params(void *object, int seq,
 	case SPA_PARAM_Latency:
 		switch (result.index) {
 		case 0: case 1:
-			param = spa_latency_build(&b, id, &this->dir[result.index].latency);
+		{
+			uint32_t idx = result.index;
+			if (port->is_monitor)
+				idx = idx ^ 1;
+			param = spa_latency_build(&b, id, &this->dir[idx].latency);
 			break;
+		}
 		default:
 			return 0;
 		}