Systems and methods for signaling tiles and slices in video coding

    公开(公告)号:US12022126B2

    公开(公告)日:2024-06-25

    申请号:US17776362

    申请日:2020-11-20

    摘要: A method of encoding video data is disclosed. The method comprising: signaling a first syntax element specifying whether each subpicture consists of one and only one rectangular slice, or each subpicture consists of one or more rectangular slices; signaling a second syntax element specifying a number of rectangular slices in each picture referring to a picture parameter set in a case that the first syntax element specifies that each subpicture consists of one or more rectangular slices; determining whether or not a third syntax element is to be signaled based on the second syntax element; signaling the third syntax element, specifying whether or not fourth syntax elements are present in the picture parameter set, based on the second syntax element; and signaling the fourth syntax elements, specifying a difference in indexes between two rectangular slices, based on the second syntax element and the third syntax element.

    Systems and methods for signaling subpicture information in video coding

    公开(公告)号:US12022123B2

    公开(公告)日:2024-06-25

    申请号:US17641659

    申请日:2020-09-09

    摘要: This disclosure relates to video coding and more particularly to techniques for signaling subpicture information for coded video. In one example, a method of decoding video data comprises: receiving a general constraint information syntax elements; parsing a first syntax element from the general constraint information syntax elements specifying whether a constraint is imposed on the number of slices that being contained in each subpicture; receiving a picture parameter set syntax elements; and parsing a second syntax element from the picture parameter set syntax elements specifying that each sub-picture contains one and only one slice, wherein a value of the second syntax element is constrained according to the first syntax element parsed from the general constraint information syntax elements.

    Recovery data with content identifiers

    公开(公告)号:US11019390B2

    公开(公告)日:2021-05-25

    申请号:US16474588

    申请日:2018-02-13

    摘要: A method and a receiver to receive “recovery data table” (See FIGS. 36A and 38F.) which is used for retrieving “supplementary content” are disclosed. Said “recovery data table” (See FIGS. 36A and 38F.) has “contentID. type” field describing “type of content identifier” and defining “uniform resource name”.

    Recovery data with content identifiers

    公开(公告)号:US10735802B2

    公开(公告)日:2020-08-04

    申请号:US15780667

    申请日:2016-11-29

    摘要: A method and a receiver for receiving a recovery file format file from a provider comprising the steps of: (a) receiving a recovery data table including a RecoveryDataTable element; (b) receiving a contentID field of said RecoveryDataTable element describing a type of content identifier provided in a message having a cardinality of 0 . . . N; (c) receiving a svcInetUrl field of said RecoveryDataTable element describing service information; (d) receiving a URLValue field of said svcInetUrl field describing URL to access Internet signaling files for said service information; (e) decoding elements of said file based upon said recovery data table.