In the previous chapter, you learned that a multimedia file is actually a container. On the inside, it encloses multimedia streams and metadata. In this chapter, you will learn what streams and metadata are and how you can access them from the command line. The sections in this chapter are arranged for easy access and completeness. It may not be possible for you to understand all of it on your first read. Return to this chapter a few times to get a full understanding.
Containers
A container can ...
