0000318: the function getSubImagesLuma() bug in file img_luma.c when proceesing the bi-linear interpolation

ID	Project	Category	View Status	Date Submitted	Last Update

0000318	JVT JM H.264/AVC reference software	encoder and decoder	public	2012-12-06 04:04	2013-05-07 16:30

Reporter	HuangXuehui	Assigned To	Karsten Suehring
Priority	high	Severity	major	Reproducibility	always
Status	feedback	Resolution	open
Product Version	JM 18.4

Summary	0000318: the function getSubImagesLuma() bug in file img_luma.c when proceesing the bi-linear interpolation
Description	In the function getSubImagesLuma,when processing QUARTER-PEL interpolation ,the jm18.4 should call to function getVerSubImageBiLinear() instead of getHorSubImageBiLinear() to generate sub-image 3,7,and 11. ALso,should call to getHorSubImageBiLinear() instead of getVerSubImageBiLinear to generate sub-image 12,13,14 and 15.
Tags	No tags attached.

HuangXuehui 2012-12-06 04:04 reporter	QQ20121206110218.png (15,908 bytes) QQ20121206110218.png (15,908 bytes)

Alexis Michael Tourapis 2013-04-26 11:40 developer ~0000568	Without checking the code I would assume that if this was true then there would have been a mismatch between the encoder and decoder (not just the JM but also other decoders). On what are you basing your conclusion that this is a bug?

Date Modified	Username	Field	Change
2012-12-06 04:04	HuangXuehui	New Issue
2012-12-06 04:04	HuangXuehui	File Added: QQ20121206110218.png
2013-04-26 11:40	Alexis Michael Tourapis	Note Added: 0000568
2013-04-26 11:40	Alexis Michael Tourapis	Relationship added	has duplicate 0000317
2013-05-07 16:30	Karsten Suehring	Assigned To	=> Karsten Suehring
2013-05-07 16:30	Karsten Suehring	Status	new => feedback