Global Variable

kCMSampleBufferAttachmentKey_DroppedFrameReasonInfo

Indicates additional information regarding the dropped video frame (type CFString).

Declaration

let kCMSampleBufferAttachmentKey_DroppedFrameReasonInfo: CFString

Discussion

Sample buffers with this attachment contain no image or data buffer. They mark a dropped video frame. If present, this attachment provides additional information about the reason described by the kCMSampleBufferAttachmentKey_DroppedFrameReason key. The value for this key is one of the string constants in Sample Buffer Dropped Frame Reason Information.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software