Multimedia data processing method and apparatus, computer device, computer-readable storage medium, and computer program product

An apparatus for processing multimedia data, the apparatus comprising:

• at least one memory configured to store computer program code;
• and
• at least one processor configured to access the computer program code and operate as instructed by the computer program code, the computer program code including:
• first obtaining code configured to cause the at least one processor to obtain a global reference data block set and a local reference data block set, wherein the global reference data block set and the local reference data block set are associated with a first data block in a multimedia data frame, wherein the global reference data block set and the local reference data block set are both adjacent to at least one non-reference data block set comprising at least one data block that is not referenceable by the first data block;
• and
• first determining code configured to cause the at least one processor to determine a reference data block for coding or decoding of the first data block based on the global reference data block set and the local reference data block set.

A non-transitory computer-readable medium storing instructions, the instructions comprising:

• one or more instructions that, when executed by one or more processors of a device for processing multimedia data, cause the one or more processors to:
• obtain a global reference data block set and a local reference data block set, wherein the global reference data block set and the local reference data block set are associated with a first data block in a multimedia data frame, wherein the global reference data block set and the local reference data block set are both adjacent to at least one non-reference data block set comprising at least one data block that is not referenceable by the first data block;
• and
• determine a reference data block for coding or decoding of the first data block based on the global reference data block set and the local reference data block set.