| Summary: | [HSW] AVC_cqp_encoding had lower pass rate comparing with IVB | ||
|---|---|---|---|
| Product: | libva | Reporter: | zhenxiang.li <zhenxiang.li> |
| Component: | intel | Assignee: | Pengfei <pengfei.qu> |
| Status: | CLOSED WORKSFORME | QA Contact: | Sean V Kelley <seanvk> |
| Severity: | normal | ||
| Priority: | medium | CC: | haihao.xiang, shengyanx.zhao, shuang.he, zhixinx.liu |
| Version: | unspecified | ||
| Hardware: | Other | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
It will be better that the data is compared between Linux OTC driver and windows driver on the same machine.
Thanks.
Yakui
Closing old issues |
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.
Environment: ------------- Libva: (staging)8be6d274d931d8041934efa63caaee75a5984755 Libva_intel_driver: (staging)bd630edd844b88ea543a027654db296ff7da16cd Command line: ------------- 1. /opt/X11R7/bin/avcenc 720 576 iceage_720x576_491.yuv iceage_720x576_491.yuv.enc.h264 qp=44 mode=0 2. /root/media_tools/encoder/ldecod.exe -i iceage_720x576_491.yuv.enc.h264 -o iceage_720x576_491.yuv.jm.dump -r iceage_720x576_491.yuv 3. get the psnr value: /root/media_tools/encoder/metrics_calc_lite.ia32e -i1 iceage_720x576_491.yuv -i2 iceage_720x576_491.yuv.jm.dump -w 720 -h 576 -nopfm psnr y Bug Info: ------------- -It happened when the qp value is equal or gt 40, mode=0, 1, 2; -The following data is produced from the above command(mode=0); h264_size bitrate y-psnr -ivb 3299058 1574 28.87887 -hsw 3561618 1700 28.88024 Besides, gst10_AVC_cqp_encoding had lower pass rate than IVB: HSW IVB mode=0 84/84 84/84 mode=1 81/84 84/84 mode=2 74/84 84/84 Cases failed when qp value is bigger than 40 or 44 as well as using avcenc encoding, and mode=2 has the most impact.