[FFmpeg-trac] #7408(undetermined:new): [ffmpeg-qsv][vp8_decode] decode failed on iHD driver.

FFmpeg trac at avcodec.org
Thu Sep 6 11:43:14 EEST 2018

#7408: [ffmpeg-qsv][vp8_decode] decode failed on iHD driver.
             Reporter:               |                     Type:  defect
  zhuqingliang                       |                 Priority:  normal
               Status:  new          |                  Version:
            Component:               |  unspecified
  undetermined                       |               Blocked By:
             Keywords:  qsv          |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
 Summary of the bug:
 some cases of vp8 decode failed
 SKL OS: ubuntu 16.04 kernel: 4.15.0
 libva b6c50dad4d7d14c507108d9f468662e2d7ae1c4d
 VPG_Driver ed04556a6676fd77ff845508bc54bfc60915450c
 libva-utils 9a10ad663349732decd668a426cfc349b0010d1d
 Mediasdk 7ea683585f0f84f1bea035a405855312c92c46c0 ​https://github.com
 FFMPEG 56f68a099cc607658118e00cad30569103ae3751
 How to reproduce:
 1.build env as above lists
 2.ffmpeg -hwaccel qsv -hwaccel_device /dev/dri/renderD128 -v verbose -y
 -c:v vp8_qsv -i /media//vp8_vpg/2160p_Demo_-_3840x2160_pixel_4k_Video_-
 _a_timelapse_project_by_Florian_Friedrich.webm -vf hwdownload,format=nv12
 -pix_fmt yuv420p -f md5 qsv_out.md5
 3. part of error message:
 Impossible to convert between the formats supported by the filter 'graph 0
 input from stream 0:0' and the filter 'auto_scaler_0'
 Error configuring filter graph
 [AVIOContext @ 0x1128f80] Statistics: 0 seeks, 0 writeouts
 [AVIOContext @ 0x112d240] Statistics: 116616152 bytes read, 0 seeks
 Conversion failed!
 failed case

Ticket URL: <https://trac.ffmpeg.org/ticket/7408>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker

More information about the FFmpeg-trac mailing list