From f56f40a943432a14dea89bdb2a6a359cb44065f3 Mon Sep 17 00:00:00 2001
From: Vivia Nikolaidou <vivia@ahiru.eu>
Date: Fri, 31 Mar 2023 17:40:32 +0300
Subject: [PATCH] livesync: Actually assume zero upstream latency when query
 fails

The code said "assuming zero" but left latency at None instead of
Some(0), failing to unwrap the value later.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1161>
---
 utils/livesync/src/livesync/imp.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/utils/livesync/src/livesync/imp.rs b/utils/livesync/src/livesync/imp.rs
index 86de3b86..99eac29f 100644
--- a/utils/livesync/src/livesync/imp.rs
+++ b/utils/livesync/src/livesync/imp.rs
@@ -814,6 +814,7 @@ impl LiveSync {
                     imp: self,
                     "Can't query upstream latency -- assuming zero"
                 );
+                state.upstream_latency = Some(gst::ClockTime::ZERO);
             }
         }