Container [video]

See more under: c

A container is basically what we consider the “file format”. They are noted by their extensions on files: .mp4, .avi, .mov, and contain (ideally from their name) extra data which files can output if decoded by the correct installed codec.

Within the container (for the context of filmmaking) is usually a video and audio stream which when played back will be the video you are trying to play. These are various streams of data which could be made up of images, the sound, and anything else.

Also they can embed subtitles, or soundtracks – yes, more than one are allowed to be embedded. Just imagine these like DVD or BluRay discs where multiple languages are available.

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Hey, look I know this is really limited but I'm working on adding more info