[FFmpeg-trac] #7401(undetermined:new): [ffmpeg-qsv][h264_vpg]decode md5 not match standard reference on iHD driver.

FFmpeg trac at avcodec.org
Wed Sep 5 06:54:04 EEST 2018


#7401: [ffmpeg-qsv][h264_vpg]decode md5 not match standard reference  on iHD
driver.
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:  defect
  zhuqingliang                       |                 Priority:  normal
               Status:  new          |                  Version:
            Component:               |  unspecified
  undetermined                       |               Blocked By:
             Keywords:  qsv h264     |  Reproduced by developer:  0
  vpg                                |
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 {{{
 ffmpeg-qsv decode md5 not match with standard reference .
 Since the dump.yuv is 2x2 , I can't tell whether dump.yuv has garbage in
 it.
 }}}
 How to reproduce:
 {{{
 1.build env as above lists
 2.ffmpeg -hwaccel qsv -hwaccel_device /dev/dri/renderD128 -v verbose -y
 -c:v h264_qsv -i /media//avc_vpg/V30320_A_D-
 Traffic_AVC_MP_frame_cropping_2x2.264 -vf hwdownload,format=nv12 -pix_fmt
 yuv420p -f md5 qsv_out.md5 -vsync 0
 3.real_md5=88fed43b46e2e12cc9c14ac9ee60fec6
 4.ref_md5=dd2eed3d9a61d2738be75e73e57ee597
 }}}
 environment
 {{{
 SKL OS: ubuntu 16.04 kernel: 4.15.0
 libva b6c50dad4d7d14c507108d9f468662e2d7ae1c4d
 ​https://github.com/01org/libva.git
 VPG_Driver ed04556a6676fd77ff845508bc54bfc60915450c
 ​https://github.com/intel/media-driver
 libva-utils 9a10ad663349732decd668a426cfc349b0010d1d
 ​https://github.com/01org/libva-utils.git
 Mediasdk 7ea683585f0f84f1bea035a405855312c92c46c0 ​https://github.com
 /Intel-Media-SDK/MediaSDK
 FFMPEG 56f68a099cc607658118e00cad30569103ae3751
 ​https://git.ffmpeg.org/ffmpeg.git
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7401>
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