Global Variable

kCMSampleBufferAttachmentKey_DroppedFrameReason

Indicates the reason the current video frame was dropped (type CFString).

Declaration

let kCMSampleBufferAttachmentKey_DroppedFrameReason: CFString

Discussion

Sample buffers with this attachment contain no image or data buffer. They mark a dropped video frame. This attachment identifies the reason the frame was dropped. The value for this key is one of the string constants in Sample Buffer Dropped Frame Reasons.