Patent ID: 11960444
Assignee: GRASS VALLEY LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 6:
7. A file system for providing file data for a media file having a predetermined format, the file system comprising:
a data store storing essence data;
a memory; and
a processor configured to implement instructions on the memory so as to provide a media manager that:
determines the predetermined format of the media file for a program that includes a plurality of segments;
determines, prior to the essence data making up the media file being available, a layout of the media file in the predetermined format based on a time duration of the program, with the layout defining at least one location for the essence data in the media file;
in response to a request for the at least one location of the essence data, returns a location for the essence data defined by the determined layout of the media file;
in response to an instruction that a respective segment among the plurality of segments is to be included in the program, obtains the essence data from the data store that corresponds to the respective segment; and
in response to a request for a portion of the essence data from the media file, determines the essence data based on the determined layout of the media file.