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Ticket Resolution Summary Owner Reporter
#56 fixed A bug caused by uncompressed InterDir in HTM10.0rc1 tech kaizhang

A bug is found in HTM10.0rc1. Generally speaking, the original code tries to use InterDir to determine the prediction direction. However, InterDir is not compressed as MV and RefIdx. Thus a misalignment may occur. In some worse case, the codec may crash, although that does not happen in CTC. Attached please find a possible fix with macro HTM10RC1_FIX and the simulation results under CTC. There is a very minor difference (<0.001%) in the last column.

At line 4746 in TComDataCU.cpp, it should be #if !HTM10RC1_FIX

if( ucInterDir & 1 ) {


pcTextureCU->getMvField( pcTextureCU, uiPartIdx, REF_PIC_LIST_0, cMVField );

#if HTM10RC1_FIX

if( cMVField.getRefIdx() >= 0 ) {

#endif ...

At line 4775 in TComDataCU.cpp, it should be

#if !HTM10RC1_FIX

if( !tmpDir && ( ucInterDir & 2 )) {


pcTextureCU->getMvField( pcTextureCU, uiPartIdx, REF_PIC_LIST_1, cMVField );

#if HTM10RC1_FIX

if( !tmpDir && cMVField.getRefIdx() >= 0 ) {


Thank you!

#57 fixed A bug for dbbp_flag signalization in 3D-HEVC Draft tech XianguoZhang

A bug is found in 3D-HEVC Draft Text 7, JCT3V-G1001_v1.doc. Generally speaking, the current text signalizes dbbp_flag with "u(1)", however in HTM10, a quite reasonable approach of "ae(v)" with 1 context is utilized to signalize dbbp_flag. It seems to be an editing bug. The next version(v2) of JCT3V-G1001 should accord with the software. Also, there should be an additional table for "Values of initValue for dbbp_flag ctxIdx" and additional row for dbbp_flag in Table I-12, I-21 and I-23.

#58 fixed Mismatch between WD and Software for the coding of "depth_dc_flag" tech ewchen

In the reference software HTM-10.0r1, two contexts are used to code "depth_dc_flag" according to the number of segments. However, in the WD, only one context is used to code "depth_dc_flag".

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