Patent ID: 11949966
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for processing track data in a multimedia resource, performed at a computer device, the method comprising:
receiving a signaling file corresponding to a multimedia resource, wherein:
the signaling file includes descriptors corresponding to multiple track data of the multimedia resource;
the multiple track data includes (i) main bitstream track data corresponding to a main bitstream and (ii) library picture track data corresponding to a library picture bitstream; and
dependency identifiers included in the descriptors corresponding to the main bitstream track data point to the descriptors corresponding to the library picture track data, wherein:
a descriptor corresponding to a piece of the library picture track data comprises a sample index identifier for indicating a sample index number interval for indexing the piece of the library picture track data from the main bitstream track data;

parsing the signaling file, and determining a dependency relationship between the main bitstream track data and the library picture track data according to the dependency identifiers included in the descriptors in the signaling file; and
sequentially acquiring the library picture track data and the main bitstream track data from a data source side according to the determined dependency relationship, including:
for each piece of the main bitstream track data,
obtaining a sample index number interval corresponding to a sample index identifier of the piece of the main bitstream track data;
determining, from the library picture track data, a piece of the library picture track data referred to by the sample index number interval; and
decoding the piece of the main bitstream track data and the piece of the library picture track data.