[FFmpeg-trac] #6989(avcodec:open): Hwaccel cuvid fails with “Error creating a NVDEC decoder: 1”

FFmpeg trac at avcodec.org
Thu Mar 5 03:38:41 EET 2020


#6989: Hwaccel cuvid fails with “Error creating a NVDEC decoder: 1”
-------------------------------------+-------------------------------------
             Reporter:  tkalliom     |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  hwaccel      |               Blocked By:
  cuda cuvid NVDEC                   |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Balling):

 Replying to [comment:16 DrocUf]:
 > Replying to [comment:12 Balling]:
 > > It still works, you did not try to use it?
 >
 > What is "it"? `hwaccel cuvid` didn't work before. Now it works because
 it relies on a bug.
 -hwacell cuvid -c:v h264_cuvid is working for me. This bug does not apply
 for me. Dunno.
 >
 > > And it is the same code underhood because of this bug.
 >
 > Thus `cuvid_init` must be used.

 No, the removed code in the ffmpeg CLI tool was only poorly maintained
 duplication of what is now handled in libavutil.

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Ticket URL: <https://trac.ffmpeg.org/ticket/6989#comment:17>
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