| Summary: | [HSW] I/IPB MPEG2 encoding: the gap is more than 3DB compare with windows data | ||
|---|---|---|---|
| Product: | libva | Reporter: | Du Yan <yanx.du> |
| Component: | intel | Assignee: | ykzhao <yakui.zhao> |
| Status: | VERIFIED FIXED | QA Contact: | Sean V Kelley <seanvk> |
| Severity: | normal | ||
| Priority: | medium | CC: | lianyuex.yang, ouping.zhang, zhenxiang.li |
| Version: | unspecified | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
|
Description
Du Yan
2013-03-28 06:42:28 UTC
There is the same bug on master branch FILENAME QP YSNR REALBITRATE 1080p_blue_sky.yuv 4 45.13625 134475 1080p_blue_sky.yuv 8 40.86401 71551 1080p_blue_sky.yuv 12 38.61037 49000 1080p_blue_sky.yuv 16 37.01179 39166 1080p_blue_sky.yuv 20 35.61716 31193 1080p_blue_sky.yuv 24 34.49092 25961 1080p_blue_sky.yuv 28 33.56823 22134 1080p_blue_sky.yuv 32 32.8528 19919 1080p_blue_sky.yuv 36 32.13335 17632 1080p_blue_sky.yuv 40 31.50338 15875 1080p_blue_sky.yuv 44 30.95096 14402 1080p_blue_sky.yuv 48 30.43276 13227 Test Environment: ------------------------- Platfrom:IVB Libva: (master)ffb82f3a85e424b869c2c1ce48251b3305e2cd61 Libva_intel_driver: (master)01f7c2c6c5ae6321f3b3cfebc89f73dcb50b30af The issue is exist with I/IPB frame MEPG2 encoding on HSW. I frame MPEG2 encoding, the gaps of all files are more than 3DB compare with windows MPEG2 encoding data. Files the gaps are more than 3DB (FAIL): SOCCER_704x576_30_orig_02.yuv MOBILE_352x288_30_orig_01.yuv 1080p_blue_sky.yuv 720p5994_parkrun_ter.yuv stockholm_1280x720_604.yuv CITY_704x576_30_orig_01.yuv iceage_720x576_491.yuv IPB frame MPEG2 encoding, the gaps of 6 files are more than 3DB compare with windows data. Files the gaps are more than 3DB (FAIL): SOCCER_704x576_30_orig_02.yuv MOBILE_352x288_30_orig_01.yuv 1080p_blue_sky.yuv 720p5994_parkrun_ter.yuv CITY_704x576_30_orig_01.yuv iceage_720x576_491.yuv Files the gaps are less than 3DB (PASS): stockholm_1280x720_604.yuv (In reply to comment #2) > The issue is exist with I/IPB frame MEPG2 encoding on HSW. I frame MPEG2 > encoding, the gaps of all files are more than 3DB compare with windows MPEG2 > encoding data. Files the gaps are more than 3DB (FAIL): > SOCCER_704x576_30_orig_02.yuv MOBILE_352x288_30_orig_01.yuv > 1080p_blue_sky.yuv 720p5994_parkrun_ter.yuv stockholm_1280x720_604.yuv > CITY_704x576_30_orig_01.yuv iceage_720x576_491.yuv IPB frame MPEG2 > encoding, the gaps of 6 files are more than 3DB compare with windows data. > Files the gaps are more than 3DB (FAIL): SOCCER_704x576_30_orig_02.yuv > MOBILE_352x288_30_orig_01.yuv 1080p_blue_sky.yuv 720p5994_parkrun_ter.yuv > CITY_704x576_30_orig_01.yuv iceage_720x576_491.yuv Files the gaps are less > than 3DB (PASS): stockholm_1280x720_604.yuv Test Environment: ------------------------- Platfrom: HSW Libva: (master)ffb82f3a85e424b869c2c1ce48251b3305e2cd61 Intel_driver: (master)01f7c2c6c5ae6321f3b3cfebc89f73dcb50b30af The files are from windows MPEG2 encoding data with IPB. You can download the vedio file from "/media/encode_mpeg2_win7_64/" under Media repo. Based on the latest test result, it seems that the PSNR gap is less than 3db for most cases except that the gap is slightly more than 3db for one video clip under some CQP.(about 3.5db).
IMO this bug can be marked as resolved although the gap is slightly more than 3db for the specific case.
Thanks.
Yakui
QP ranged from 34 to 48, PSNR < 3 db, about 3.5. so the issue is closed. |
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