mpegenc: prevent a NULL pointer dereference

CC: libav-stable@libav.org Bug-Id: CID 29261
10 years ago · 065923b078
parent 9c12c6ff95
commit 065923b078
1 changed files with 1 additions and 1 deletions
--- a/libavformat/mpegenc.c
+++ b/libavformat/mpegenc.c
@ -1057,7 +1057,7 @@ retry:
        es_size              -= stream->premux_packet->unwritten_size;
        stream->premux_packet = stream->premux_packet->next;
    }
-    if (es_size)
+    if (stream->premux_packet && es_size)
        stream->premux_packet->unwritten_size -= es_size;

    if (remove_decoded_packets(ctx, s->last_scr) < 0)