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  "title" : "Buffer Queue Error Codes"
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# Buffer Queue Error Codes

Error codes that framework operations produce.

## Topics

### Error Codes

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

The system failed to allocate memory.

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

You failed to provide a valid value for a required parameter.

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

The format of a callbacks structure isn’t correct.

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

You attempted to enqueue a buffer on a queue that disallows it.

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

You attempted to enqueue a buffer on a queue that’s full.

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

You specified an invalid trigger duration.

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

A trigger callback attempted to modify a queue.

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

You specified an invalid trigger condition.

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

You specified a trigger token that isn’t a trigger currently associated with this queue.

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

A buffer validation callback rejected the buffer.


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