Patent ID: 11956452
Assignee: ROCKCHIP ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An H.265 encoding device, comprises:
a preprocessing module; a coarse selection module; and a precise comparison module, wherein the preprocessing module is coupled with the coarse selection module, and the coarse selection module is coupled with the precise comparison module,
wherein
the preprocessing module is configured to divide a current frame from an original video into multiple CTU blocks,
the coarse selection module is configured to divide a CTU block selected from the multiple CTU blocks based on multiple partition modes, each one of the partition modes dividing the CTU block into corresponding CU blocks, and divides each one of the CU blocks into a corresponding one or more PU blocks,
the coarse selection module is further configured to perform inter-prediction and intra-prediction in each one of the partition modes for each one of the CTU blocks, and generate a prediction information corresponding to each one of the partition modes, and
the precise comparison module is configured to
perform cost comparison on the prediction information corresponding to each one of the partition modes for each one of the CTU blocks,
select a partition mode with the lowest cost for each one of the CTU blocks and the encoding information corresponding to the partition mode, and
generate entropy coding information and reconstruction information based on the selected partition mode and its corresponding encoding information,
wherein the entropy coding information is used for generating the current frame into an H.265 code stream, and the reconstruction information is used for generating the current frame into a reconstructed frame.