Changes between Initial Version and Version 1 of Ticket #1256, comment 4


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Timestamp:
Apr 24, 2014, 5:39:17 AM (8 years ago)
Author:
crosewarne
Comment:

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  • Ticket #1256, comment 4

    initial v1  
    1 Note that changeset r3776, which was applied to the HM software, reduced the number of contexts for cbf_cb and cbf_cr from five to four.  This change appears to have been inherited by the RExt software.  Then, in 4:4:4 for an RQT beginning at a 64x64 coding unit and splitting down to 4x4 TBs, the non-existing fifth context could be accessed. I think the changeset was not intended to be applied to the RExt software.
     1Note that changeset r3776, which was applied to the HM software, reduced the number of allocated contexts for cbf_cb and cbf_cr from five to four (only four can be used in HM).  This change appears to have been inherited by the RExt software.  Then, in 4:4:4 for an RQT beginning at a 64x64 coding unit and splitting down to 4x4 TBs, the non-existing fifth context could be accessed. I think the changeset was not intended to be inherited by the RExt software.
    22
    33Note that under CTC this condition is not reached because the maximum inter and intra trafoDepth is 3.

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