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imxpxpvideotransform : /dev/pxp_device: No such file or directory

Question asked by anjo john on Feb 8, 2017
Latest reply on Feb 21, 2017 by Bio_TICFSL

Hi All

I am testing few pipelines for opencv codes and i want to input GRAY8 image to opencv. Since imxpxpvideotransform provides YUYV to GRAY8 i used this module. However pipeline is giving error

ERROR imxpxpdevice device.c:46:gst_imx_pxp_open: could not open /dev/pxp_device: No such file or directory ERROR imxpxpallocator allocator.c:213:gst_imx_pxp_allocator_init:<GstImxPxPAllocator@0x95dd10> could not open PxP device

following test pipeline also gave same error

gst-launch-1.0 videotestsrc ! video/x-raw, format=YUY2 ! imxpxpvideotransform ! video/x-raw, format=GRAY8 ! filesink location=test.gray8

I am using wandboard-dualite with yocto version 1.8.1  with . Do i need to insert any modules for the availability of imxpxp gstreamer modules ?