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For example, Google uses ffmpeg to support a wide range of upload video formats for YouTube. [1] One widely used media player using the ffmpeg libraries is the free software VLC media player, which can play most video files that end users will encounter.
In November 2009, 1080p HD support was added. In July 2010, YouTube announced that it had launched a range of videos in 4K format, which allows a resolution of up to 4096×3072 pixels. [35] [36] In July 2010, support for 2160p UHD was added, with the videos playing at 3840 × 2160 pixels. [37] In June 2014, YouTube began to deploy support for ...
In order to be seekable, raw VP9 bitstreams have to be encapsulated in a container format, for example Matroska (.mkv), its derived WebM format (.webm) or the older minimalistic Indeo video file (IVF) format which is traditionally supported by libvpx. [46] [47] VP9 is identified as V_VP9 in WebM and VP09 in MP4, adhering to respective naming ...
Some are combinations of common container formats and audio and video coding profiles, such as AVCHD and DivX formats. Although sometimes compared to DivX products, Xvid is neither a container format nor a video format, it is a software library that encodes video using specific coding profiles of the common MPEG-4 ASP video format.
XAVC is a recording format designed by Sony that uses level 5.2 of H.264/MPEG-4 AVC, which is the highest level supported by that video standard. [38] [39] XAVC can support 4K resolution (4096 × 2160 and 3840 × 2160) at up to 60 frames per second (fps).
The quality the codec can achieve is heavily based on the compression format the codec uses. A codec is not a format, and there may be multiple codecs that implement the same compression specification – for example, MPEG-1 codecs typically do not achieve quality/size ratio comparable to codecs that implement the more modern H.264 specification.
WebM is an audiovisual media file format. [5] It is primarily intended to offer a royalty-free alternative to use in the HTML video and the HTML audio elements. It has a sister project, WebP, for images.
The browser has to support both the video and audio formats. See HTML audio for a table of which audio formats are supported by each browser. The video format can be specified by MIME type in HTML (see example). MIME types are used for querying multimedia frameworks for supported formats. [45]