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D435i IMU extended timestamp metadata

PKolo1
Beginner
‎03-04-2019 05:07 PM
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Hi.

I'm using D435i on Ubuntu 16.04 x86-64.

I haven't done any kernel patching.

I have video frames supporting extended timestamp metadata, like RS2_FRAME_METADATA_SENSOR_TIMESTAMP, RS2_FRAME_METADATA_FRAME_TIMESTAMP and RS2_FRAME_METADATA_BACKEND_TIMESTAMP.

While IMU frames doesn't support this metadata.

Do I need to patch Linux kernel, or this metadata isn't supported by IMU at all?

Thanks.

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MartyG
Honored Contributor III
‎03-04-2019 06:06 PM
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There is advice for kernel patching in the link below, which was given to a D435i user.

 

https://github.com/IntelRealSense/librealsense/issues/3292#issuecomment-465876055

 

For the D435i's motion module, it recommends applying the patch  realsense-hid-ubuntu-xenial-v4.16.patch

 

Also ensure that frame metadata is enabled.

 

https://github.com/IntelRealSense/librealsense/issues/3205#issuecomment-460275449

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