[FFmpeg-trac] #10576(ffmpeg:new): qsv does not deinterlace properly

[FFmpeg]

#10576: qsv does not deinterlace properly
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             Reporter:  s170361683   |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  ffmpeg
              Version:  unspecified  |               Resolution:
             Keywords:  vpp_qsv qsv  |               Blocked By:
  VPP_QSV deinterlace                |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by wenbin,chen):

 I tried it on linux with a similar command line:

 {{{
 ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi -i 50i_sample.m2v -c:v
 h264_qsv -vf
 "hwmap=derive_device=qsv,vpp_qsv=rate=field:deinterlace=advanced" -y
 output.mp4
 }}}

 And I get smooth output. I attach it as well. I going to test it on
 windows.
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Ticket URL: <https://trac.ffmpeg.org/ticket/10576#comment:6>
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