[FFmpeg-trac] #7534(undetermined:closed): I used ffmpeg 4.02 + rockchip_mpp +libdrm to decodec H264 and get a AVFrame , this format is DRM_PRIME, how do i convert to a cv::mat or bgr or yuv420p?

[FFmpeg]

#7534: I used ffmpeg 4.02 + rockchip_mpp  +libdrm to decodec H264 and get a
AVFrame ,this format is DRM_PRIME,how do i convert to a cv::mat or bgr or
yuv420p?
-------------------------------------+-------------------------------------
             Reporter:  gtom         |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:  invalid
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:  decodec with rkmpp =>
 * priority:  important => normal
 * component:  avcodec => undetermined


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Ticket URL: <https://trac.ffmpeg.org/ticket/7534#comment:2>
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