AVIOContext *pb = s->pb;
int result;
+ if (xmv->this_packet_offset == xmv->next_packet_offset)
+ return AVERROR_EOF;
+
/* Seek to it */
xmv->this_packet_offset = xmv->next_packet_offset;
if (avio_seek(pb, xmv->this_packet_offset, SEEK_SET) != xmv->this_packet_offset)