udp: Fix receiving large udp packets

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
FFmpeg · Jun 28, 2013 · 804c7b2 · 804c7b2
1 parent 36748d4
commit 804c7b2
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/libavformat/udp.c b/libavformat/udp.c
@@ -586,7 +586,11 @@ static int udp_open(URLContext *h, const char *uri, int flags)
     }
     /* handling needed to support options picking from both AVOption and URL */
     s->circular_buffer_size *= 188;
-    h->max_packet_size = s->packet_size;
+    if (flags & AVIO_FLAG_WRITE) {
+        h->max_packet_size = s->packet_size;
+    } else {
+        h->max_packet_size = UDP_MAX_PKT_SIZE;
+    }
     h->rw_timeout = s->timeout;
 
     /* fill the dest addr */