file metadata. These points are offsets in the video (both in seconds and bytes) at which a new key frame starts. A web server or a media server which handles the download, must support seek points in query string of requests for downloading data. For other types of media files such as MP4 or MKV, web servers must be capable of handling a special offset parameter. The offset parameter name differs for various servers so it must be specified in player settings. Some servers support seeking via additional modules only, they are specified below. Seeking parameter names are written in italic. See also Online video platform Video streaming References External links Multimedia