Patent ID: 11949866
Assignee: TENCENT AMERICA LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A method of processing visual media data, comprising:
performing a conversion between a visual media file and a bitstream of visual media data according to a format rule,
wherein the bitstream includes
(i) a first block level syntax element indicating that a multiple transform selection (MTS) is not applied to a first intra coded block, and
(ii) a second block level syntax element indicating that a non-separable secondary transform (NSST) is not applied to the first intra coded block, and

wherein the format rule specifies that implicit MTS is enabled for the first intra coded block in response to the MTS being indicated by the first block level syntax element as not applied to the first intra coded block the NSST being indicated by the second block level syntax element as not applied to the first intra coded block, no transform type information is signaled by the implicit MTS.