From f669c81b942fd486099523c675a60dee510c308b Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom@rom1v.com>
Date: Sat, 11 Apr 2026 13:30:37 +0200
Subject: [PATCH] Replace assertion with a runtime check

The length is provided by the device, treat invalid values as a runtime
error.
---
 app/src/demuxer.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/src/demuxer.c b/app/src/demuxer.c
index c99cde77..634b010f 100644
--- a/app/src/demuxer.c
+++ b/app/src/demuxer.c
@@ -134,7 +134,10 @@ sc_demuxer_recv_packet(struct sc_demuxer *demuxer, const uint8_t *header,
     assert(!sc_demuxer_is_session(header));
     uint64_t pts_flags = sc_read64be(header);
     uint32_t len = sc_read32be(&header[8]);
-    assert(len);
+    if (!len) {
+        LOGE("Invalid packet length: 0");
+        return false;
+    }
 
     if (av_new_packet(packet, len)) {
         LOG_OOM();