id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
1193	Text/SW mismatch in affine fallback mode trigger (8.5.5.9)	fbossen		"The following conditions are used to determine that the fallback mode is not triggered:
–	If inter_pred_idc[ xCb ][ yCb ] is equal to PRED_BI and bxWX4 * bxHX4 is less than or equal to 225, 
fallbackModeTriggered is set equal to 0.
–	Otherwise, if both bxWXh * bxHXh is less than or equal to 165 and bxWXv * bxHXv is less than or equal to 165, fallbackModeTriggered is set equal to 0.

When inter_pred_idc[ xCb ][ yCb ] is equal to PRED_B, it is possible for the first condition to fail and the second condition to succeed. In SW, the second condition is never applied when inter_pred_idc[ xCb ][ yCb ] is equal to PRED_B.
For example if inter_pred_idc[ xCb ][ yCb ] is equal to PRED_B, dHorX=2048, dHorY=0, dVerX=0, dVerY=2048, then bxWX4 * bxHX4 is 289, bxWXh * bxHXh is 153, bxWXv * bxHXv  is 153, and a mismatch occurs.

It is suggested to align the text with SW:
–	If inter_pred_idc[ xCb ][ yCb ] is equal to PRED_BI and bxWX4 * bxHX4 is less than or equal to 225, 
fallbackModeTriggered is set equal to 0.
–	Otherwise, if inter_pred_idc[ xCb ][ yCb ] is not equal to PRED_BI, bxWXh * bxHXh is less than or equal to 165, and bxWXv * bxHXv is less than or equal to 165, fallbackModeTriggered is set equal to 0.
"	defect	closed	minor		spec	VVC D10 vA	fixed		ksuehring bbross XiangLi fbossen jvet@…