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). (Fig.34) No. of Pages : 68 No. of Claims : 32