![]() ![]() The MPEG 4 container is based on Apple’s older QuickTime container (. ![]() There are lots of video container formats. ![]() Containers can also have metadata, such as the title of the video itself, cover art for the video, episode numbers (for television shows), and so on. Individual tracks can have metadata, such as the aspect ratio of a video track, or the language of an audio track. An audio track contains markers within it to help synchronize the audio with the video. (It’s a little more complicated than that, because not all video streams are compatible with all container formats, but never mind that for now.)Ī video file usually contains multiple tracks - a video track (without audio), plus one or more audio tracks (without video). Just like a ZIP file can contain any sort of file within it, video container formats only define how to store things within them, not what kinds of data are stored. You may think of video files as “AVI files” or “MP4 files.” In reality, “AVI” and “MP4” are just container formats. (If you know about video already, you can skip ahead to What Works on the Web. Before we can talk about HTML5 video, you first need to understand a little about video itself. IE Firefox Safari Chrome Opera iPhone Androidīut support for the
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |