what is hls

hls has many meanings. It can refer to an adaptive bit rate streaming media transmission protocol based on HTTP, which is mainly used for audio and video services on PCs and Apple terminals; it can also refer to a color model, which is passed through A variety of colors can be obtained by changing the three color channels of hue (H), saturation (S), and brightness (L) and superimposing them on each other.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

HLS (HTTP-based adaptive bit rate streaming transmission protocol)

HLS (HTTP Live Streaming) is Apple's dynamic bit rate adaptive technology. Mainly used for audio and video services on PCs and Apple terminals. Includes an m3u(8) index file, TS media fragment file and key encrypted string file.

HLS (color model)

Hue chroma, Lightness brightness, Saturation saturation.

HSL color mode is a color standard in the industry. It is based on changes in the three color channels of hue (H), saturation (S), and brightness (L) and their superposition. To obtain a variety of colors, HSL represents the color of the three channels of hue, saturation, and brightness. This standard includes almost all colors that human vision can perceive, and is one of the most widely used color systems currently. HSLA adds a transparency (A) setting based on HSL.

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