Patent ID: 7839930
Filing Date: 2010-11-23
Classification: H04N

Abstract:
1. In a computing device that implements a video encoder, a method comprising: with the computing device that implements the video encoder, determining one or more entry points for a sequence comprising plural video frames based at least in part on an entry point policy; and with the computing device that implements the video encoder, inserting in a bitstream an entry point indicator that indicates a first frame of the plural frames is one of the one or more entry points, wherein the first frame is a field interlaced P/I-frame comprising a P-field followed by an I-field, the P-field and the I-field being arranged in the bitstream for decoding as individual fields, wherein a second frame immediately follows the field interlaced P/I-frame in presentation time, wherein the second frame is a predicted frame, wherein according to the entry point policy the video encoder makes coding decisions for the second frame to remove any motion compensation dependencies prior to the I-field of the field interlaced P/I-frame, and wherein the entry point policy comprises conditions that include: