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  2. Video DownloadHelper - Wikipedia

    en.wikipedia.org/wiki/Video_DownloadHelper

    Firefox Quantum ceased support for extensions that use XUL or the Add-ons SDK [6] so the extension was rebased using WebExtensions APIs. As a result of Mozilla's changes, reliance upon the companion application increased. Firefox 57.0 and Video DownloadHelper 7.0.0 were released on the same day (14 November 2017).

  3. AV1 - Wikipedia

    en.wikipedia.org/wiki/AV1

    AOMedia Video 1 (AV1) is an open, royalty-free video coding format initially designed for video transmissions over the Internet. It was developed as a successor to VP9 by the Alliance for Open Media (AOMedia), [2] a consortium founded in 2015 that includes semiconductor firms, video on demand providers, video content producers, software development companies and web browser vendors.

  4. Media Source Extensions - Wikipedia

    en.wikipedia.org/wiki/Media_Source_Extensions

    Media Source Extensions (MSE) is a W3C specification that allows JavaScript to send byte streams to media codecs within web browsers that support HTML video and audio. [5] Among other possible uses, this allows the implementation of client-side prefetching and buffering code for streaming media entirely in JavaScript .

  5. libvpx - Wikipedia

    en.wikipedia.org/wiki/Libvpx

    libvpx is a free software video codec library from Google and the Alliance for Open Media (AOMedia). It serves as the reference software implementation for the VP8 and VP9 video coding formats, and for AV1 a special fork named libaom that was stripped of backwards compatibility.

  6. VP9 - Wikipedia

    en.wikipedia.org/wiki/VP9

    VP9 is an open and royalty-free [1] video coding format developed by Google. VP9 is the successor to VP8 and competes mainly with MPEG's High Efficiency Video Coding (HEVC/H.265). At first, VP9 was mainly used on Google's video platform YouTube.

  7. libavcodec - Wikipedia

    en.wikipedia.org/wiki/Libavcodec

    Free and open-source software portal; libavcodec is a free and open-source [4] library of codecs for encoding and decoding video and audio data. [5]libavcodec is an integral part of many open-source multimedia applications and frameworks.

  8. WebM - Wikipedia

    en.wikipedia.org/wiki/WebM

    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.

  9. List of open-source codecs - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source_codecs

    VideoLAN dav1d – An AV1 decoder for decoding videos with AV1 codec; Xiph.Org rav1e – An AV1 encoder written in Rust; Google libgav1 – An AV1 decoder by Google; xvc – An open source video codec, aiming to compete with h.265 and AV1. The reference implementation is released under the LGPL 2.1 and currently available in version 2.0 (as of ...

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