Bug 61485

Summary:	[SNB/IVB/HSW] SSIM value is low with att_mismatch_att.bits (MPEG2)
Product:	libva	Reporter:	Du Yan <yanx.du>
Component:	intel	Assignee:	haihao <haihao.xiang>
Status:	RESOLVED WONTFIX	QA Contact:	Sean V Kelley <seanvk>
Severity:	normal
Priority:	medium	CC:	lianyuex.yang, ouping.zhang, xunx.fang, yanx.du, zhenxiang.li, zhixinx.liu
Version:	unspecified
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Du Yan 2013-02-26 07:02:43 UTC

Test Environment
--------------------------------
Platform: HSW IVB SNB
Libva: (staging)8abb2b3dc9b122272d1e26a90cbf68f76d3aba8a
intel_driver: (staging) b3139d1a278d9daac40987f0a99c2a797c0db988


Bug Info
----------------------------
SSIM value is low with att_mismatch_att.bits
att_mismatch_att.bits 0.973893 0.995080 1.000000 1.000000 1.000000 1.000000

and we found that after No.11 frame, SSIM value became low.

Comment 1 Du Yan 2013-02-26 07:09:40 UTC

update:
After No.111 frame, SSIM value became low.

Comment 2 Ouping Zhang 2013-02-26 07:14:29 UTC

start from the 111st frame, low ssim.
Y_SSIM = 0.997958
U_SSIM = 1.000000
V_SSIM = 1.000000

Y_MIN_SSIM =     0.973893

Comment 3 haihao 2015-11-19 00:43:11 UTC

This issue was reported against staging branch, we won't fix issues on staging branch any more. Please file a new bug if you still experience this issue on master branch.

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