The output format to convert the video file to.
The Video API currently supports two options:
fm value is specified, the default output will be
The HLS format is an adaptive bitrate streaming video protocol that delivers visual and audio media to viewers via the internet. HLS allows for several interactions with a client that is not normally available to other video formats, such as adapting the video bitrate depending on the user's connection.
The HLS protocol is not supported natively by all modern browsers and, in many cases, will require an external library or video player to manage playback. For more information about how to use HLS videos on the web, see our tutorial for creating a user friendly video player.
HLS is the default format used for the Video API when no
fm parameter is supplied, and will be used unless a different value is specified for
fm (such as
For example, both of these URLs will output a video in HLS format:
The MP4 format is a commonly used video format, and is supported natively by all modern browsers, with or without a specialized video player.
res parameter for more information.