Bug 64272

Summary:	h264 default matrix order wrong causes ssim low value
Product:	libva	Reporter:	Zhong Cong <congx.zhong>
Component:	gst-vaapi	Assignee:	Zhong Cong <congx.zhong>
Status:	VERIFIED FIXED	QA Contact:	Ouping Zhang <ouping.zhang>
Severity:	normal
Priority:	medium	CC:	lianyuex.yang, seanvk
Version:	unspecified
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:
Attachments:	h264-modify-default-matrices-order

Description Zhong Cong 2013-05-06 10:34:46 UTC

FREXT02_JVC_C.264 
start from 1st frame, low ssim

Y_SSIM = 0.920795
U_SSIM = 0.987066
V_SSIM = 0.993604

Y_MIN_SSIM =     0.904751

Comment 1 Zhong Cong 2013-05-06 10:41:44 UTC

Created attachment 78915 [details]
h264-modify-default-matrices-order

default scaling_lists are set in raster scan which should be prepared in zigzag scan order. This patch is to fix it

Comment 2 Yang Lianyue 2013-05-07 08:42:52 UTC

Test OK. Issue can't be reproduced. Close it.

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