Bug 61487 - [SNB/IVB/HSW] SSIM value is low with SL1_SVA_B.264
Summary: [SNB/IVB/HSW] SSIM value is low with SL1_SVA_B.264
Status: VERIFIED NOTOURBUG
Alias: None
Product: libva
Classification: Unclassified
Component: intel (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: haihao
QA Contact: Sean V Kelley
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-02-26 07:13 UTC by Du Yan
Modified: 2013-03-04 02:37 UTC (History)
2 users (show)

See Also:
i915 platform:
i915 features:

Attachments

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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