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CMBufferQueueSetValidationCallback(_:callback:refcon:)

A validation callback for the queue to call before enqueuing buffers.

Declaration

func CMBufferQueueSetValidationCallback(_ queue: CMBufferQueue, callback: CMBufferValidationCallback, refcon: UnsafeMutableRawPointer?) -> OSStatus

Parameters

  • queue:

    CMBufferQueue that will use the validation callback.

  • callback:

    Callback that will validate each buffer enqueued.

  • refcon:

    Context refcon for validation callback.

Return Value

A result code. See Result Codes.

See Also

Validating a Queue