Patent ID: 11943480
Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. In a computer system that implements a video decoder, a method comprising:
receiving encoded data in a bitstream for multiple pictures in a video sequence; and
decoding the multiple pictures, wherein each of the multiple pictures is designated as being one of multiple picture types, the multiple picture types including (a) a first picture type indicating a broken link access (“BLA”) picture that is capable of being used as a random access point (“RAP”) picture and does not have any associated non-decodable leading pictures, but may have one or more associated decodable leading pictures, (b) a second picture type indicating a BLA picture that is capable of being used as a RAP picture but does not have any associated leading pictures, and (c) a third picture type indicating a random access decodable leading (“RADL”) picture, and wherein the decoding the multiple pictures includes:
decoding a first picture among the multiple pictures, the first picture being designated as the first picture type; and
decoding a second picture among the multiple pictures, the second picture being designated as the third picture type.