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i.MX6 video capture to GPU buffer

Question asked by Mark Merritt on Jul 28, 2015
Latest reply on Jul 30, 2015 by Bio_TICFSL

Is there an existing mechanism to capture video (V4L) frames directly into a buffer which can also be directly accessed (without additional copies) by OpenCL?


I have explored the use of V4L2_MEMORY_USERPTR buffers for the camera access, but this functionality does not appear to be working [dequeued buffers do not match those which were enqueued]. The example provided in fails when run with the "-u" option, on 3.10.17-1.0.2_ga