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Ticket Resolution Summary Owner Reporter
#659 fixed "byte_alignment" presence condition in the slice_data syntax is not correct for tiles_enabled_flag=1 and entropy_coding_sync_enabled_flag=1 bbross chung
Description

In chapter 7.3.4.1 of JCTVC-J1003_d3, the condition for the presence of byte_alignment() is :

if( !end_of_slice_flag &&

( ( tiles_enabled_flag && TileId[ CtbAddrTS ] != TileId[ CtbAddrTS − 1 ] )

( entropy_coding_sync_enabled_flag && CtbAddrTS % PicWidthInCtbs = = 0 ) )

)

byte_alignment( )

My understanding is that the byte_alignment is used for the entry_points of a slice. The condition is not correct, when tiles_enabled_flag=1 and entropy_coding_sync_enabled_flag=1. Indeed, in this case, there is an entry_point per tile Ctb row.

Let's define the function TileWidthInCtbs[TileId], that returns the width of tile TileId in unit of Ctb. (If tiles_enabled_flag=0, this returns the picture width in unit of Ctb) The condition above becomes :

if( !end_of_slice_flag &&

( ( tiles_enabled_flag && TileId[ CtbAddrTS ] != TileId[ CtbAddrTS − 1 ] )

( entropy_coding_sync_enabled_flag && CtbAddrTS % TileWidthInCtbs[TileId[ CtbAddrTS ]] = = 0 ) )

)

byte_alignment( )

#521 fixed "max_dec_pic_buffering" without index is not defined. bbross sasai
Description

max_dec_pic_buffering[ i ] sometimes appears with its index "[ i ]" and sometimes without it.

Annex A. A4.1 Annex C C.3.1, C.4 and C.5.2

Replace max_dec_pic_buffering by max_dec_pic_buffering[ max_temporal_layers_minus1 ]

#614 invalid "mvd_l1_zero_flag" is used without definition bbross Feng Zou
Description

In I1003 D7 WD, "mvd_l1_zero_flag" is used in 7.3.7 Prediction unit syntax. It is a flag to determine whether the MVD from Pred_L1 is transmitted or not.

However, this flag is not defined at all in the current version WD.

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