---
title: "vImageConverter_GetNumberOfDestinationBuffers(_:)"
framework: accelerate
role: symbol
role_heading: Function
path: "accelerate/vimageconverter_getnumberofdestinationbuffers(_:)"
---

# vImageConverter_GetNumberOfDestinationBuffers(_:)

Returns the number of destination buffers written to by the converter.

## Declaration

```swift
func vImageConverter_GetNumberOfDestinationBuffers(_ converter: vImageConverter) -> UInt
```

## Parameters

- `converter`: A valid converter to query the number of source buffers.

## Return Value

Return Value The number of destination buffers.

## Discussion

Discussion This function is for video formats that are planar data formats with data in more than one plane.

## See Also

### Querying a converter’s properties

- [vImageConverter_MustOperateOutOfPlace(_:_:_:_:)](accelerate/vimageconverter_mustoperateoutofplace(_:_:_:_:).md)
- [vImageConverter_GetSourceBufferOrder(_:)](accelerate/vimageconverter_getsourcebufferorder(_:).md)
- [vImageConverter_GetDestinationBufferOrder(_:)](accelerate/vimageconverter_getdestinationbufferorder(_:).md)
- [vImageConverter_GetNumberOfSourceBuffers(_:)](accelerate/vimageconverter_getnumberofsourcebuffers(_:).md)