Switch v4l to use memory-mapped files instead of userptr. The change was initiated by userptr mode reporting invalid (overrided) metadata buffers during streaming. Note that using mmap is more susceptible to VideoBuf/URB frame drops
Switch v4l to use memory-mapped files instead of userptr.
The change was initiated by userptr mode reporting invalid (overrided) metadata buffers during streaming.
Note that using mmap is more susceptible to VideoBuf/URB frame drops

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