DLNA projection, what is the DLNA protocol in the projection protocol, and what is
DLNA?
DLNA protocol is a screen projection protocol to make mobile phones, computers and various electrical appliances interconnected through wireless or wired networks and make content sharing possible.
DLNA is file based. Media files may have a variety of encoding formats, and the player must be able to handle such a variety of encoding formats. The most common application of
and
is that we can often see such a small TV icon with “TV” logo – push projection mode on the mobile app of major video platforms. What are the specific application scenarios of
and
?
and
are actually DLNA applications, which are not only applied on the projection screen. In fact, it may have been fully integrated into everyone’s life.
in terms of home devices, the most common are televisions, NAS servers, webcams, TV boxes, smart speakers, printers and so on. In terms of mobile devices, mobile phones, tablets, laptops, portable players and cameras are common.
and
require software compatibility in addition to hardware support. Basically, mainstream video apps now support push wireless screen projection. What is the principle of
and
?
and
connect the mobile phone and the TV to the same Wi Fi. After the mobile phone searches the TV, the mobile phone sends an address link of video resources to the TV. The TV connects to this address link to obtain video files and start playing online. The mobile phone can control the progress and volume of the TV.
so you will find that whether it is a smart TV or the same screen device, if you want to use the projection function normally, you must connect the smart TV or the same screen device to Wi Fi, and the Wi Fi must be able to access the Internet normally, and then you can use the projection function normally.
,
and the wireless screen projection function of general mobile phones do not need to care whether Wi Fi can connect to the Internet.