Global Variable


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


const CFStringRef kCMSampleBufferAttachmentKey_DroppedFrameReasonInfo;


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.