A JavaScript library that plays HTTP Live Streaming (HLS) in browsers using MediaSource Extensions.
HLS.js is a JavaScript library that enables playback of HTTP Live Streaming (HLS) video in web browsers using MediaSource Extensions (MSE). It solves the problem of inconsistent native HLS support across browsers by providing a unified, feature-rich client that transmuxes HLS streams into a format compatible with HTML5 video elements.
Web developers and video engineers building video streaming applications or players that require reliable HLS playback across different browsers and platforms, especially where native HLS support is limited or unavailable.
Developers choose HLS.js for its extensive feature set, including adaptive streaming, DRM support, and broad codec compatibility, along with its active development community and integration with popular video players like JW Player, Video.js, and Flowplayer.
HLS.js is a JavaScript library that plays HLS in browsers with support for MSE.
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Implements HLS playback using MediaSource Extensions, enabling consistent video streaming across browsers like Chrome, Firefox, and Edge where native HLS support is limited or unavailable.
Supports adaptive bitrate switching, DRM (FairPlay, Widevine), captions, subtitles, and live DVR, as detailed in the extensive features list, making it suitable for professional video applications.
Widely adopted by major companies like Twitter and DailyMotion, and integrated with popular video players like JW Player and Video.js, ensuring reliability and active community support.
Offers light builds that exclude features like alternate audio and EME, allowing developers to reduce bundle size for specific use cases, as mentioned in the build tasks section.
Does not support SAMPLE-AES encryption with fragmented MP4 segments or MPEG-2 TS segments with FairPlay, limiting compatibility with certain DRM requirements as noted in the 'Not Supported' section.
Requires browsers to support MSE, making it unusable on platforms without this API, such as older browsers or embedded systems, which restricts its reach.
Setting up advanced features like EME for DRM or custom error handling involves a steep learning curve and detailed API knowledge, which can be challenging for beginners.