wrong integration of text about six_minus_max_num_merge_cand, five_minus_max_num_subblock_merge_cand, six_minus_max_num_ibc_merge_cand, max_num_merge_cand_minus_max_num_geo_cand

[lingli0]

In the last meeting, JVET-Q0798 is adopted which moves four merge number syntax to SPS. The adopted text in JVET-Q0798-v4.zip and integrated text in VVC Draft8 vE is different which causes incorrect range. It is asserted the adopted text is correct.

text provided in JVET-Q0798-v4.zip

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six_minus_max_num_merge_cand specifies the maximum number of merging motion vector prediction (MVP) candidates supported in the SPS subtracted from 6.

five_minus_max_num_subblock_merge_cand specifies the maximum number of subblock-based merging motion vector prediction (MVP) candidates supported in the SPS subtracted from 5.

six_minus_max_num_ibc_merge_cand specifies the maximum number of IBC merging block vector prediction (BVP) candidates supported in the SPS subtracted from 6.

max_num_merge_cand_minus_max_num_geo_cand specifies the maximum number of GEO merge mode candidates supported in the SPS subtracted from MaxNumMergeCand.

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text in VVC Draft 8 vE

six_minus_max_num_merge_cand specifies the maximum number of merging motion vector prediction (MVP) candidates supported in the SPS subtracted from 6. The value of six_minus_max_num_merge_cand shall be in the range of 0 to 5, inclusive.

five_minus_max_num_subblock_merge_cand specifies the maximum number of subblock-based merging motion vector prediction candidates supported in the SPS subtracted from 5. The value of five_minus_max_num_subblock_merge_cand shall be in the range of 0 to 5, inclusive.

six_minus_max_num_ibc_merge_cand, when sps_ibc_enabled_flag is equal to 1, specifies the maximum number of IBC merging block vector prediction (BVP) candidates supported in the SPS subtracted from 6. The value of six_minus_max_num_ibc_merge_cand shall be in the range of 0 to 5, inclusive.

max_num_merge_cand_minus_max_num_gpm_cand specifies the maximum number of geometric partitioning merge mode candidates supported in the SPS subtracted from MaxNumMergeCand. The value of max_num_merge_cand_minus_max_num_gpm_cand shall be in the range of 0 to MaxNumMergeCand − 2, inclusive.

[yk]

I think it has been clarified at the JVET-R meeting that the integration in JVET-Q2001-vE was correct, therefore the issue in this ticket is invalid. Unless concluded otherwise, I will close it (but after some more discussions, if any).