A DEVICE FOR AND A METHOD OF PROCESSING A DATA STREAM HAVING A SEQUENCE OF PACKETS AND TIMING INFORMATION RELATED TO THE PACKETS

摘要

A device (3400) for processing an encrypted data stream (3401), wherein the device (3400) comprises a decrypting unit (3402) for generating a decrypted data stream (3403) from the encrypted data stream (3401), a detecting unit (3404) for detecting position information of at least one intra-coded frame in the decrypted data stream (3403), and a replacement unit (3405) for replacing, based on the detected position information, portions of the encrypted data stream (3401) by corresponding portions of the decrypted data stream (3403).