Bug 61487

Summary:	[SNB/IVB/HSW] SSIM value is low with SL1_SVA_B.264
Product:	libva	Reporter:	Du Yan <yanx.du>
Component:	intel	Assignee:	haihao <haihao.xiang>
Status:	VERIFIED NOTOURBUG	QA Contact:	Sean V Kelley <seanvk>
Severity:	normal
Priority:	medium	CC:	ouping.zhang, yanx.du
Version:	unspecified
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Du Yan 2013-02-26 07:13:26 UTC

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


Bug Info
----------------------------
SSIM value is low with SL1_SVA_B.264

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 lost frames

SL1_SVA_B.264 0.862132 0.92873 0.991668 0.995981 0.989461 0.995252 33 32 1

Comment 1 Du Yan 2013-02-26 07:19:12 UTC

start from NO.2 frame, low ssim value

Y_SSIM = 0.912343
U_SSIM = 0.997016
V_SSIM = 0.992476

Y_MIN_SSIM = 0.862132

Comment 2 haihao 2013-02-27 00:23:50 UTC

The 2nd frame in dispaly order is lost.

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