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

[FFmpeg]

#6989: Hwaccel cuvid fails with “Error creating a NVDEC decoder: 1”
-------------------------------------+-------------------------------------
             Reporter:  tkalliom     |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  hwaccel      |               Blocked By:
  cuda cuvid NVDEC                   |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Brainiarc7):

 Replying to [comment:8 DrocUf]:

 Probably related to https://trac.ffmpeg.org/ticket/7562, which suggests
 {{{}-extra_hw_frames 2}}} as a workaround.

 I've tested this in production and even then, the error does appear from
 time to time, typically in this form:
 https://devtalk.nvidia.com/default/topic/1031891/video-codec-and-optical-
 flow-sdk/minimal-nvdecode-experiment-fails-to-map-errors-with-mapping-of-
 buffer-object-failed-/

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Ticket URL: <https://trac.ffmpeg.org/ticket/6989#comment:9>
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