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In July 2019, Telegram introduced animated stickers, using a new format .tgs, with support for third-party sticker packs. [12] In December, [13] Signal introduced sticker packs in PNG and WebP formats and APNG for animation. [14] Later, in July 2020, WhatsApp implemented animated stickers with several official packs. [15]
Reaction emoji play an animation with special effects when sent. [70] [71] Users can also send stickers, which can be static, animated or video. [72] Sticker packs are made by Telegram designers as well as regular users and can be shared via links. They use the WebP [73] or WebM format and do not require special software to create or upload ...
Messenger, [11] also known as Facebook Messenger, is an American proprietary instant messaging service developed by Meta Platforms.Originally developed as Facebook Chat in 2008, the client application of Messenger is currently available on iOS and Android mobile platforms, Windows and macOS desktop platforms, through the Messenger.com web application, and on the standalone Facebook Portal ...
Multiple-image Network Graphics (MNG) is a graphics file format published in 2001 for animated images. Its specification is publicly documented and there are free software reference implementations available. MNG is closely related to the PNG image format.
Native video is video that is uploaded to or created on social networks and played in-feed, as opposed to links to videos hosted on other sites. Native video formats are specific to each social platform and are designed to maximise video engagement (i.e. number of views), discovery and distribution. [ 1 ]
The APNG specification follows the PNG File format introducing three new ancillary chunks: [11] The animation control chunk (acTL) precedes the IDAT(s) of the default image and is a kind of "marker" that this is an animated PNG file. It also contains the number of frames and the number of times to loop the animation (0 meaning infinite).
Notable examples are Gfycat and Imgur and their GIFV metaformat, which is really a video tag playing a looped MP4 or WebM compressed video. [ 72 ] HEIF ("High Efficiency Image File Format") is an image file format, finalized in 2015, which uses a discrete cosine transform (DCT) lossy compression algorithm based on the HEVC video format, and ...
WebP's lossy compression algorithm is based on the intra-frame coding of the VP8 video format [24] and the Resource Interchange File Format (RIFF) as a container format. [4] As such, it is a block-based transformation scheme with eight bits of color depth and a luminance–chrominance model with chroma subsampling by a ratio of 1:2 ( YCbCr 4:2: ...