[FFmpeg-trac] #6492(undetermined:new): Intel QSV: "No device available for encoder" message is given

FFmpeg trac at avcodec.org
Tue Jun 27 00:51:11 EEST 2017


#6492: Intel QSV: "No device available for encoder" message is given
-------------------------------------+-------------------------------------
             Reporter:  alexpigment  |                     Type:  defect
               Status:  new          |                 Priority:  important
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  qsv, quick   |               Blocked By:
  sync, intel, h264_qsv              |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:

 As of ~2017-06-15, attempting to use the h264_qsv encoder will result in a
 message that says "'''No device available for encoder (device type qsv f
 or codec h264_qsv).'''" The encode still occurs, but this is presumably a
 software fallback. Issue was confirmed on an i7-3770 and an i5-4570S.
 Tested using Zeranoe Win64 static builds; Build from 2017-06-15 is the
 first build that exhibits the issue.

 How to reproduce:
 {{{
 % ffmpeg -f lavfi -i smptebars -c:v h264_qsv -look_ahead 0 -q:v 10 -r
 30000/1001 -t 10 -an 360p1.mp4
 }}}

 ffmpeg version: N-86619-ge9510dc
 built on 2017-06-26

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6492>
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