[FFmpeg-trac] #6586(avcodec:open): h264_omx zerocopy causes Raspberry Pi to hang

FFmpeg trac at avcodec.org
Thu Aug 22 20:28:17 EEST 2019

#6586: h264_omx zerocopy causes Raspberry Pi to hang
             Reporter:  jasaw         |                    Owner:  tmm1
                 Type:  defect        |                   Status:  open
             Priority:  normal        |                Component:  avcodec
              Version:  git-master    |               Resolution:
             Keywords:  h264_omx omx  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
Changes (by tmm1):

 * cc: ffmpeg@… (added)
 * owner:   => tmm1
 * status:  new => open


 Sounds like this is an upstream rpi firmware issue. However ffmpeg doesn't
 respect the zerocopy option when compiled for RPI which makes this hard to
 work-around. I'll work on a patch to default zerocopy to enabled on RPI
 builds but still let the user disable it in case they run into this bug.

Ticket URL: <https://trac.ffmpeg.org/ticket/6586#comment:5>
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