Opened 3 months ago

Last modified 3 months ago

#422 new defect

Issue in ref_pic_list_struct parsing inside a SPS

Reported by: forayr Owned by:
Priority: minor Milestone:
Component: spec Version: VVC D6 vE
Keywords: Cc: ksuehring, bbross, XiangLi, fbossen, jvet@…

Description

In ref_pic_list_struct(), strp_entry_sign_flag parsing is conditioned to AbsDeltaPocSt, and AbsDeltaPocSt derivation depends on sps_weighted_pred_flag and sps_weighted_bipred_flag.
But sps_weighted_pred_flag and sps_weighted_bipred_flag are parsed after ref_pic_list_struct() in the SPS !
Thus the parsing depends on not already parsed syntax element in the SPS.

Change history (1)

comment:1 Changed 3 months ago by yk

Good catch! It seems that sps_weighted_pred_flag and sps_weighted_bipred_flag in the SPS should be moved to be just before log2_max_pic_order_cnt_lsb_minus4.

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