Patent ID: 9706227
Date: 2017-07-11
CPC Classifications: G06T,H04N

Claim:
1. A method of decoding video data, the method comprising: receiving, with a video decoder, an encoded video bitstream, the encoded video bitstream comprising a group of pictures including a random access picture and one or more potentially unnecessary pictures that precede the random access picture in display order; receiving, with the video decoder, in the encoded video bitstream, a syntax element in a network abstraction layer (NAL) unit header indicating whether or not one of the potentially unnecessary pictures is decodable in the case that a request for random access to the random access picture is received; receiving, with the video decoder, a request for random access to the random access picture; decoding, with the video decoder, the random access picture in response to the request for random access; determining, with the video decoder, whether or not the syntax element indicates that the one potentially unnecessary picture is decodable based on the syntax element; and processing, with the video decoder, the one potentially unnecessary picture based on the determination, wherein processing the one potentially unnecessary picture includes: