From b3b1be0b1f8b662f79ffad24bd4c4b239de56be6 Mon Sep 17 00:00:00 2001
From: Heikki Tampio <heikki.tampio@tuni.fi>
Date: Wed, 27 Mar 2024 13:43:14 +0200
Subject: [PATCH] h26x: Fix bug when start fragment was not received, but
 subsequent ones were.

---
 src/formats/h26x.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/formats/h26x.cc b/src/formats/h26x.cc
index 16228262..be738a31 100644
--- a/src/formats/h26x.cc
+++ b/src/formats/h26x.cc
@@ -810,8 +810,10 @@ rtp_error_t uvgrtp::formats::h26x::packet_handler(void* args, int rce_flags, uin
         }
 
         if (next == c || s) {
-            continuous = true;
-            reconstructed_fragments.at(start).seqs.insert(c);
+            if (reconstructed_fragments.find(start) != reconstructed_fragments.end() ) {
+                continuous = true;
+                reconstructed_fragments.at(start).seqs.insert(c);
+            }
         }
         next = next_seq_num(c);
         //UVG_LOG_DEBUG("Current fragment %u, next %u, start %d, end %d, continuous %d", c, next, s, e, continuous);