Created
March 2, 2021 07:48
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get depth data
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| CVPixelBufferLockBaseAddress(depthFrame, .readOnly) | |
| let rowData = CVPixelBufferGetBaseAddress(depthFrame)! + Int(depthPoint.y) * CVPixelBufferGetBytesPerRow(depthFrame) | |
| // swift does not have an Float16 data type. Use UInt16 instead, and then translate | |
| var f16Pixel = rowData.assumingMemoryBound(to: UInt16.self)[Int(depthPoint.x)] | |
| CVPixelBufferUnlockBaseAddress(depthFrame, .readOnly) | |
| var f32Pixel = Float(0.0) | |
| var src = vImage_Buffer(data: &f16Pixel, height: 1, width: 1, rowBytes: 2) | |
| var dst = vImage_Buffer(data: &f32Pixel, height: 1, width: 1, rowBytes: 4) | |
| vImageConvert_Planar16FtoPlanarF(&src, &dst, 0) |
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