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  "title" : "Format Description Error Codes"
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# Format Description Error Codes

Errors the system returns from format description calls.

## Topics

### Constants

[`var kCMFormatDescriptionError_InvalidParameter: OSStatus`](/documentation/CoreMedia/kCMFormatDescriptionError_InvalidParameter)

An error that indicates that the function recieves an empty value for a parameter it requires.

[`var kCMFormatDescriptionError_AllocationFailed: OSStatus`](/documentation/CoreMedia/kCMFormatDescriptionError_AllocationFailed)

An error that indicates when an allocation fails.

[`var kCMFormatDescriptionError_ValueNotAvailable: OSStatus`](/documentation/CoreMedia/kCMFormatDescriptionError_ValueNotAvailable)

An error that indicates the format description doesn’t contain the value you request.


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