Patent ID: 9736534
Date: 2017-08-15
CPC Classifications: H04N

Claim:
1. A method comprising: providing a review buffer in a receiving device; selecting one of a plurality of digital content streams, the content streams having respective distribution arrangements, each distribution arrangement comprising one or more of the following: a video compression format; a content protection scheme; and an encryption algorithm with which content in the content stream is encrypted; establishing a content segment of the review buffer for the one content stream; determining that the one content stream matches a known configuration and configuring the content segment in accordance with the distribution arrangement of the one content stream, in accordance with a rule associated with the known configuration of the one content stream, the rule specifying a codec and a container for use in playback; recording the one content stream in the review buffer, while recording, executing a content source change operation to record another of the content streams in the review buffer by: storing the content segment and the new content segment in respective data stores; and playing back the content streams in an order of or a reverse order of recording thereof by retrieving data from respective content segments of the review buffer or from the respective data stores, wherein the review buffer comprises a plurality of review buffers having respective recorded content streams and the playing back comprises, for each of the review buffers and their respective recorded content streams, configuring a playback device to conform to the distribution arrangement of a current content stream responsively to a configuration of a current content segment.