Patent ID: 11902261
Assignee: TIVO CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A method comprising:
storing, for a media content item, a single copy of first media content data of the media content item as unencrypted data;
storing, for the media content item, multiple copies of second media content data of the media content item as encrypted data, each copy of the multiple copies being in a different streaming format;
storing, for the media content item, a header in a format that is not specific to any streaming format; and
in response to receiving a request from a client device for the media content item:
identifying, based on the request, a designated streaming format;
constructing a representation of the media content item by:
without performing encryption on the header, transforming the header into a format specific to the designated streaming format to form a transformed header, wherein transforming the header into the transformed header comprises modifying the header, in response to the request from the client device for the media content item, to include information about which portions of the media content item in the designated streaming format are unencrypted and which portions of the media content item in the designated streaming format are encrypted, and
combining the transformed header with the first media content data and the respective copy of the second media content data in the designated streaming format; and

transmitting the constructed representation of the media content item to the client device.