Combining history-based motion vector prediction and non-adjacent merge prediction
A method and apparatus for generating a merge candidate list for encoding or decoding of a video sequence includes determining a block size of a current block. History-based motion vector predictors and non-adjacent motion vector predictors are identified. The merge candidate list is generated using the history-based motion vector predictors and the non-adjacent motion vector predictors to permit the encoding or the decoding of the video sequence.
1. A method for generating a merge candidate list for encoding or decoding of a video sequence, the method comprising:
identifying history-based motion vector predictors and non-adjacent motion vector predictors; and
generating, based on identifying the history-based motion vector predictors and the non-adjacent motion vector predictors, the merge candidate list using the history-based motion vector predictors and the non-adjacent motion vector predictors to permit the encoding or the decoding of the video sequence.
2. The method of claim 1 , wherein the history-based motion vector predictors are inserted into the merge candidate list before the non-adjacent motion vector predictors.
3. The method of claim 1 , wherein the non-adjacent motion vector predictors are inserted into the merge candidate list before the history-based motion vector predictors.
4. The method of claim 1 , wherein the history-based motion vector predictors are inserted into the merge candidate list before the non-adjacent motion vector predictors, and wherein the non-adjacent motion vector predictors are only inserted into the merge candidate list if a current block size is less than a threshold.
5. The method of claim 1 , wherein the non-adjacent motion vector predictors are inserted into the merge candidate list before the history-based motion vector predictors and the history-based motion vector predictors are only inserted into the merge candidate list if a current block size is greater than a threshold.
6. The method of claim 1 , wherein the history-based motion vector predictors are used to generate the merge candidate list before the non-adjacent motion vector predictors, and wherein if the merge candidate list is not full and a block size is greater than a threshold, then the non-adjacent motion vector predictors are used.
7. The method of claim 1 , wherein the non-adjacent motion vector predictors are used before the history-based motion vector predictors, and wherein if the merge candidate list is not full and a block size is less than a threshold, then the history-based motion vector predictors are used.
8. The method of claim 7 , wherein the block size includes a sum of a width and a height of a block.
9. The method of claim 7 , wherein the block size includes a product of a width and a height of a block.
10. The method of claim 7 , wherein the block size is a maximum of a width and a height of a block.
11. A device for generating a merge candidate list for encoding or decoding of a video sequence, comprising:
at least one memory configured to store program code;
at least one processor configured to read the program code and operate as instructed by the program code, the program code including:
identifying code configured to cause the at least one processor to identify history-based motion vector predictors and non-adjacent motion vector predictors; and
generating code configured to cause the at least one processor to generate, based on identifying the history-based motion vector predictors and the non-adjacent motion vector predictors, the merge candidate list using the history-based motion vector predictors and the non-adjacent motion vector predictors to permit the encoding or the decoding of the video sequence.
12. The device of claim 11 , wherein the history-based motion vector predictors are inserted into the merge candidate list before the non-adjacent motion vector predictors.
13. The device of claim 11 , wherein the non-adjacent motion vector predictors are inserted into the merge candidate list before the history-based motion vector predictors.
14. The device of claim 11 , wherein the history-based motion vector predictors are inserted into the merge candidate list before the non-adjacent motion vector predictors, and wherein the non-adjacent motion vector predictors are only inserted into the merge candidate list if a current block size is less than a threshold.
15. The device of claim 11 , wherein the non-adjacent motion vector predictors are inserted into the merge candidate list before the history-based motion vector predictors and the history-based motion vector predictors are only inserted into the merge candidate list if a current block size is greater than a threshold.
16. The device of claim 11 , wherein the history-based motion vector predictors are used to generate the merge candidate list before the non-adjacent motion vector predictors, and wherein if the merge candidate list is not full and a block size is greater than a threshold, then the non-adjacent motion vector predictors are used.
17. The device of claim 11 , wherein the non-adjacent motion vector predictors are used before the history-based motion vector predictors, and wherein if the merge candidate list is not full and a block size is less than a threshold, then the history-based motion vector predictors are used.
18. The device of claim 17 , wherein the block size includes a sum of a width and a height of a block.
19. The device of claim 17 , wherein the block size includes a sum of a width and a height of a block.
20. 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 generating a merge candidate list for encoding or decoding of a video sequence, cause the one or more processors to:
identify history-based motion vector predictors and non-adjacent motion vector predictors; and
generate, based on identifying the history-based motion vector predictors and the non-adjacent motion vector predictors, the merge candidate list using the history-based motion vector predictors and the non-adjacent motion vector predictors to permit the encoding or the decoding of the video sequence.