Patent ID: 9208824
Filing Date: 2015-12-08
Classification: G11B,H04N

Abstract:
1. A method of indexing one or more pictures transmitted in an AVC data stream, comprising: identifying, using one or more processors, a first field of a slice of one or more slices within a picture of the one or more pictures of the AVC data stream; determining, using the one or more processors, whether the first field of the slice equals a value, the value being a fixed value; identifying, using the one or more processors, a position of the first field as at a beginning of the picture when the first field equals the value, and identifying the position of the first field as at a position other than the beginning of the picture when the first field is not equal to the value; locating a second field of the slice that provides a reference picture indicator of the slice; determining whether the picture is a discardable picture using the reference picture indicator; and storing at least one of: position information associated with the first field based on the identification of the position, or the picture in response to the picture not being a discardable picture.