Video Footage supply apparatus and method

摘要

PROBLEM TO BE SOLVED: To evade the failure of a VBV butter and to keep the continuity of a joint by unifying a VBV buffer occupancy amount at the time of connecting different insertion materials with each other. SOLUTION: A program stream ps1 is encoded in a first MPEG encoder 113 and the obtained bit generation amount information is sent to a host CPU 114. By the control of the CPU 114 by it, a second MPEG encoder 115 compression-encodes the stream ps1 so as to make a bit rate same in the respective insertion materials and the VBV buffer occupancy amount of a splice point is unified so as to continue images after splicing at the time of the transportation streams of the respective insertion materials later. The compression encoded bit stream of the output of the encoder 115 is turned to the transportation stream TS1 in a primary MUX 116 and stored in a material server 21. Similarly, the streams TS2-4 from the other insertion material encoders 120-140 are stored as well and taken out from the server 21, combined and connected by the request of a user.