62007 – [ILK] low U/V ssim value when decoding VC1 files

Bug 62007 - [ILK] low U/V ssim value when decoding VC1 files

Summary: [ILK] low U/V ssim value when decoding VC1 files

Status:	VERIFIED INVALID

Alias:	None

Product:	libva
Classification:	Unclassified
Component:	intel (show other bugs)
Version:	unspecified
Hardware:	Other All

Importance:	medium normal
Assignee:	haihao
QA Contact:	Sean V Kelley

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2013-03-08 06:09 UTC by Du Yan
Modified:	2013-03-13 01:13 UTC (History)
CC List:	1 user (show)

See Also:
i915 platform:
i915 features:

Attachments

Description Du Yan 2013-03-08 06:09:16 UTC

System Environment:
--------------------------
Libva: master 9f4dedc4de014cc665c32dfbac1c017f9396b563
Intel driver: master 82d6940694c7a650642ccb6d68bf01b70dba4dcc
Platform:ILK


Bug Info
------------------
low U/V ssim value with lots of VC1 files

e.g.

file name Y SSIM extreme Y SSIM average	U SSIM extreme U SSIM average V SSIM extreme	V SSIM average frame no	dumped frame no

SMH0004.rcv 0.999862 0.999922 0.843119	0.876568 0.816349 0.84582 60 60
SML0000.rcv 0.999953 0.999974 0.706372	0.715927 0.796498 0.816733 15 15
SML0002.rcv 0.99985 0.999921 0.773229	0.816067 0.72473 0.765038 25 25
SML0003.rcv 0.999971 0.999994 0.649294	0.666552 0.739924 0.774088 15 15

SMH0004.rcv start from 1st frame, low U/V ssim value.
Y_SSIM = 1.000000
U_SSIM = 0.843119
V_SSIM = 0.816349

Comment 1 Ouping Zhang 2013-03-11 06:49:37 UTC

ILK don't support VC1 decoding.

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