From 1273cb863ca1bef275e9eb677b10b8a9f8d7d0e2 Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Fri, 23 Nov 2018 13:04:46 -0500
Subject: [PATCH] send logPrint a pre-formatted string

---
 src/zm_ffmpeg.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/zm_ffmpeg.cpp b/src/zm_ffmpeg.cpp
index a153dad10..d0bac6464 100644
--- a/src/zm_ffmpeg.cpp
+++ b/src/zm_ffmpeg.cpp
@@ -56,7 +56,9 @@ void log_libav_callback( void *ptr, int level, const char *fmt, va_list vargs )
   }
 
   if ( log ) {
-    log->logPrint(false, __FILE__, __LINE__, log_level, fmt, vargs);
+    char            logString[8192];
+    vsnprintf(logString, sizeof(logString)-1, fmt, vargs);
+    log->logPrint(false, __FILE__, __LINE__, log_level, logString);
   }
 }