Contents

vImageCVImageFormat_SetUserData(_:_:_:)

Sets the user data of a Core Video image format.

Declaration

func vImageCVImageFormat_SetUserData(_ format: vImageCVImageFormat, _ userData: UnsafeMutableRawPointer!, _ userDataReleaseCallback: ((vImageCVImageFormat?, UnsafeMutableRawPointer?) -> Void)!) -> vImage_Error

Parameters

  • format:

    The Core Video image format to update.

  • userData:

    The new user data for the format.

  • userDataReleaseCallback:

    The callback the system calls when it releases the Vimagecvimageformat instance or overwrites the userData pointer.

Return Value

kvImageNoError; otherwise, one of the error codes in Data Types and Constants.

See Also

Querying and setting the user data