Custom query (96 matches)
Results (1 - 3 of 96)
Ticket | Resolution | Summary | Owner | Reporter |
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#72 | fixed | Bi-prediction disabling for DBBP: A potential bug when the derived direction for merge DBBP is PRED_BI | tech | zxgvideo |
Description |
In the current WD text, I only found the following limitation for the prediction direction of DBBP. I.7.4.9.6 It is a requirement of bitstream conformance that, when dbbp_flag[ x0 ][ y0 ] is equal to 1, inter_pred_idc[ x0 ][ y0 ] shall not be equal to PRED_BI. However, the HTM has forced any inherited bi-prediction MV in DBBP to be forward prediction. I think, a bug-fix should be added on I.8.5.3.2.1, point 14 as following
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#73 | fixed | A text bug for the post filtering of DBBP | Xianguo Zhang | zxgvideo |
Description |
The current 3D-HEVC text specifies following post filtering conditions for DBBP if( ( lFlag | | cFlag | | rFlag ) && ( !lFlag | | !cFlag | | !rFlag ) )
if( ( tFlag | | cFlag | | bFlag ) && ( !tFlag | | !cFlag | | !bFlag ) )
However, the condition in "if" is opposite to the HTM11.0. It should be changed to if( !(( lFlag | | cFlag | | rFlag ) && ( !lFlag | | !cFlag | | !rFlag ) ) )
if( !(( tFlag | | cFlag | | bFlag ) && ( !tFlag | | !cFlag | | !bFlag) ) )
In further, because the condition in "if" can be simplified, I suggest it is changed to if( lFlag != cFlag | | cFlag != rFlag )
if( tFlag != cFlag | | cFlag != bFlag )
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#47 | fixed | missing a close-bracket on slice_pic_order_cnt_lsb | tech | tsukuba.takeshi |
Description |
A close-bracket corresponding to a if statement, i.e., if( nuh_layer_id > 0 && ...| | ( nal_unit_type != IDR_W_RADL && nal_unit_type != IDR_N_LP ) ) is missed. There are two options. Op.1) Insert a close-bracket after slice_temporal_mvp_enabled_flag Op.2) Remove a open-bracket / quote from F1004_v2 / if( ( nuh_layer_id > 0 &&... ) | | ( nal_unit_type != IDR_W_RADL && nal_unit_type != IDR_N_LP ) ) "{" / Op.2) remove this open-bracket /
if( nal_unit_type != IDR_W_RADL && nal_unit_type != IDR_N_LP ) {
} "}" / Op.1) insert a close-bracket here / |