Patent ID: 8855110

Claim:
A method of packet insertion in a personal video recorder (PVR) system, the method comprising the following steps: reading data related to packet insertion from a system memory; processing the data read from the system memory; generating packet insertion information by a processing unit; directly transferring the packet insertion information from the processing unit to an insertion module without storing the packet insertion information into the system memory; and inserting a packet into a PVR bit stream by the insertion module according to the packet insertion information; further comprising detecting the start of packet insertion operations by parsing the PVR bit stream; wherein the start of packet insertion operations is triggered by an interrupt; wherein the packet to be inserted carries information regarding key exchange; further comprising: providing a command bus access unit in the insertion module; and utilizing a command bus to directly transfer the packet insertion information to the command bus access unit of the insertion module; wherein the insertion module retrieves the packet insertion information without utilizing a linked list.