Miracast

Miracast is a wireless communications standard created by the Wi-Fi Alliance which is designed to transmit video and sound from devices (such as laptops or smartphones) to display receivers (such as TVs, monitors, or projectors).

[2] Miracast is utilised in many devices and is used or branded under various names by different manufacturers, including Smart View (by Samsung),[3][4] SmartShare (by LG), screen mirroring (by Sony), Cast (in Windows 11) and Connect (in Windows 10), wireless display and screen casting.

[5][6][7] A related enterprise protocol named Miracast over Infrastructure (MS-MICE) functions using a central local area network instead, and is supported in Microsoft Windows.

The Wi-Fi Alliance suggested that Miracast could also be used by a set-top box wanting to stream content to a TV or tablet.

However, to stream music and movies to a non-certified device, Miracast adapters are available that plug into HDMI or USB ports.

This is accomplished by using a Wi-Fi version of the same trusted content mechanisms used on cable-based HDMI and DisplayPort connections.

[22] Mandatory: ITU-T H.264 (Advanced Video Coding [AVC]) for HD and Ultra HD video; supports several profiles in transcoding and non-transcoding modes, including Constrained Baseline Profile (CBP), at levels ranging from 3.1 to 5.2 Optional: ITU-T H.265 (High Efficiency Video Coding [HEVC]) for HD and Ultra HD video; supports several profiles in transcoding and non-transcoding modes, including Main Profile, Main 444, SCC-8 bit 444, Main 444 10, at levels ranging from 3.1 to 5.1 Mandated audio codec: Linear Pulse-Code Modulation (LPCM) 16 bits, 48 kHz sampling, 2 channels Optional audio codecs, including: A device's wireless network adapter must support Wi-Fi Direct and Virtual Wi-Fi for it to work with Miracast; generally most adapters built since 2013 should meet the criteria.

As part of the 2023 Google Summer of Code, an effort to integrate this as a feature in the GNOME Settings was announced, which would mean functionality would be had out of the box with that desktop environment.

[36][37] Miracast support was built into stock Android as of version 4.2 (Android Jelly Bean)[38][39][40] - as of January 2013, the LG Nexus 4 and Sony's Xperia Z, ZL, T and V officially supported the function,[41] as did HTC One, Motorola in their Droid Maxx and Droid Ultra flagships, and Samsung in its Galaxy S III and Galaxy Note II under the moniker AllShare Cast.

[46] Many device manufacturers have retained Miracast support through their customized versions of Android (for example: Smart View on Samsung's One UI, Cast on Xiaomi's MIUI, Screencast on Oppo's ColorOS, Wireless Projection on Huawei's EMUI, HTC Sense, LG UX, Asus ZenUI, Sony Xperia devices, OnePlus's OxygenOS etc.).

However, Nokia 7 Plus, 8, 8 Sirocco, and 8.1 smartphones that have been upgraded to Android 9 or 10 are able to support Miracast, after enabling Wireless Display Certification in Developer Options.

[50] Samsung televisions support Miracast[51] where it is named Smart View (including all models made since 2016[52]).

Miracast is also supported on LG smart TV models, some Toshiba TVs,[53] Sharp, Philips (Wireless Screencasting),[54] and Panasonic televisions and Blu-ray players.