diff --git a/mythtv/external/FFmpeg/libavcodec/avpacket.c b/mythtv/external/FFmpeg/libavcodec/avpacket.c
index 612f02d..2d80be2 100644
--- a/mythtv/external/FFmpeg/libavcodec/avpacket.c
+++ b/mythtv/external/FFmpeg/libavcodec/avpacket.c
@@ -62,6 +62,9 @@ void av_init_packet(AVPacket *pkt)
     pkt->destruct             = NULL;
     pkt->side_data            = NULL;
     pkt->side_data_elems      = 0;
+    pkt->priv = NULL;
+    pkt->data = NULL;
+    pkt->size = 0;
 }

 int av_new_packet(AVPacket *pkt, int size)